📄 OBJLoader.js
¶
📊 Analysis Summary¶
Metric | Count |
---|---|
🔧 Functions | 214 |
🧱 Classes | 1 |
📦 Imports | 15 |
📊 Variables & Constants | 69 |
📚 Table of Contents¶
🛠️ File Location:¶
📂 examples/jsm/loaders/OBJLoader.js
📦 Imports¶
Name | Source |
---|---|
BufferGeometry |
three |
FileLoader |
three |
Float32BufferAttribute |
three |
Group |
three |
LineBasicMaterial |
three |
LineSegments |
three |
Loader |
three |
Material |
three |
Mesh |
three |
MeshPhongMaterial |
three |
Points |
three |
PointsMaterial |
three |
Vector3 |
three |
Color |
three |
SRGBColorSpace |
three |
Variables & Constants¶
Name | Type | Kind | Value | Exported |
---|---|---|---|---|
_object_pattern |
RegExp |
let/var | /^[og]\s*(.+)?/ |
✗ |
_material_library_pattern |
RegExp |
let/var | /^mtllib / |
✗ |
_material_use_pattern |
RegExp |
let/var | /^usemtl / |
✗ |
_map_use_pattern |
RegExp |
let/var | /^usemap / |
✗ |
_face_vertex_data_separator... |
RegExp |
let/var | /\s+/ |
✗ |
_vA |
any |
let/var | new Vector3() |
✗ |
_vB |
any |
let/var | new Vector3() |
✗ |
_vC |
any |
let/var | new Vector3() |
✗ |
_ab |
any |
let/var | new Vector3() |
✗ |
_cb |
any |
let/var | new Vector3() |
✗ |
_color |
any |
let/var | new Color() |
✗ |
previousMaterial |
any |
let/var | ( this.object && typeof this.object.currentMaterial === 'function' ? this.obj... |
✗ |
cloned |
{ index: number; name: any; mtllib: a... |
let/var | { index: ( typeof index === 'number' ? index : this.index ), name: this.name,... |
✗ |
material |
{ index: number; name: any; mtllib: a... |
let/var | { index: this.materials.length, name: name \|\| '', mtllib: ( Array.isArray( ... |
✗ |
src |
any[] |
let/var | this.vertices |
✗ |
dst |
any |
let/var | this.object.geometry.vertices |
✗ |
src |
any[] |
let/var | this.vertices |
✗ |
dst |
any |
let/var | this.object.geometry.vertices |
✗ |
src |
any[] |
let/var | this.vertices |
✗ |
dst |
any |
let/var | this.object.geometry.vertices |
✗ |
src |
any[] |
let/var | this.normals |
✗ |
dst |
any |
let/var | this.object.geometry.normals |
✗ |
src |
any[] |
let/var | this.vertices |
✗ |
dst |
any |
let/var | this.object.geometry.normals |
✗ |
src |
any[] |
let/var | this.colors |
✗ |
dst |
any |
let/var | this.object.geometry.colors |
✗ |
src |
any[] |
let/var | this.uvs |
✗ |
dst |
any |
let/var | this.object.geometry.uvs |
✗ |
dst |
any |
let/var | this.object.geometry.uvs |
✗ |
src |
any[] |
let/var | this.uvs |
✗ |
dst |
any |
let/var | this.object.geometry.uvs |
✗ |
vLen |
number |
let/var | this.vertices.length |
✗ |
nLen |
number |
let/var | this.normals.length |
✗ |
uvLen |
number |
let/var | this.uvs.length |
✗ |
vLen |
number |
let/var | this.vertices.length |
✗ |
vLen |
number |
let/var | this.vertices.length |
✗ |
uvLen |
number |
let/var | this.uvs.length |
✗ |
state |
{ objects: any[]; object: {}; vertice... |
let/var | { objects: [], object: {}, vertices: [], normals: [], colors: [], uvs: [], ma... |
✗ |
scope |
this |
let/var | this |
✗ |
loader |
any |
let/var | new FileLoader( this.manager ) |
✗ |
state |
any |
let/var | new ParserState() |
✗ |
result |
any[] |
let/var | [] |
✗ |
faceVertices |
any[] |
let/var | [] |
✗ |
vertex |
string |
let/var | vertexData[ j ] |
✗ |
v1 |
string[] |
let/var | faceVertices[ 0 ] |
✗ |
v2 |
string[] |
let/var | faceVertices[ j ] |
✗ |
v3 |
string[] |
let/var | faceVertices[ j + 1 ] |
✗ |
lineVertices |
any[] |
let/var | [] |
✗ |
lineUVs |
any[] |
let/var | [] |
✗ |
container |
any |
let/var | new Group() |
✗ |
hasPrimitives |
boolean |
let/var | ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length... |
✗ |
object |
any |
let/var | state.objects[ i ] |
✗ |
geometry |
any |
let/var | object.geometry |
✗ |
materials |
any |
let/var | object.materials |
✗ |
isLine |
boolean |
let/var | ( geometry.type === 'Line' ) |
✗ |
isPoints |
boolean |
let/var | ( geometry.type === 'Points' ) |
✗ |
hasVertexColors |
boolean |
let/var | false |
✗ |
buffergeometry |
any |
let/var | new BufferGeometry() |
✗ |
createdMaterials |
any[] |
let/var | [] |
✗ |
sourceMaterial |
any |
let/var | materials[ mi ] |
✗ |
materialHash |
string |
let/var | sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors |
✗ |
material |
any |
let/var | state.materials[ materialHash ] |
✗ |
materialLine |
any |
let/var | new LineBasicMaterial() |
✗ |
materialPoints |
any |
let/var | new PointsMaterial( { size: 10, sizeAttenuation: false } ) |
✗ |
mesh |
any |
let/var | *not shown* |
✗ |
sourceMaterial |
any |
let/var | materials[ mi ] |
✗ |
material |
any |
let/var | new PointsMaterial( { size: 1, sizeAttenuation: false } ) |
✗ |
buffergeometry |
any |
let/var | new BufferGeometry() |
✗ |
points |
any |
let/var | new Points( buffergeometry, material ) |
✗ |
Functions¶
ParserState(): { objects: any[]; object: {}; vertices: any[]; normals: any[]; colors: any[]; uvs: any[]; materials: {}; materialLibraries: any[]; startObject: typeof startObject; finalize: () => void; parseVertexIndex: (value: any, len: any) => number; ... 13 more ...; addLineGeometry: (vertices: any, uvs: any) => void; }
¶
Returns: { objects: any[]; object: {}; vertices: any[]; normals: any[]; colors: any[]; uvs: any[]; materials: {}; materialLibraries: any[]; startObject: typeof startObject; finalize: () => void; parseVertexIndex: (value: any, len: any) => number; ... 13 more ...; addLineGeometry: (vertices: any, uvs: any) => void; }
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
parseInt
dst.push
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
this.addVertexPoint
this.addVertexLine
this.addUVLine
state.startObject
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
// normals
// uvs
// add placeholder values (for inconsistent face definitions) (x4)
Code
function ParserState() {
const state = {
objects: [],
object: {},
vertices: [],
normals: [],
colors: [],
uvs: [],
materials: {},
materialLibraries: [],
startObject: function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
},
finalize: function () {
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
},
parseVertexIndex: function ( value, len ) {
const index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
},
parseNormalIndex: function ( value, len ) {
const index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 3 ) * 3;
},
parseUVIndex: function ( value, len ) {
const index = parseInt( value, 10 );
return ( index >= 0 ? index - 1 : index + len / 2 ) * 2;
},
addVertex: function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addVertexPoint: function ( a ) {
const src = this.vertices;
const dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
},
addVertexLine: function ( a ) {
const src = this.vertices;
const dst = this.object.geometry.vertices;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
},
addNormal: function ( a, b, c ) {
const src = this.normals;
const dst = this.object.geometry.normals;
dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addFaceNormal: function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
},
addColor: function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
},
addUV: function ( a, b, c ) {
const src = this.uvs;
const dst = this.object.geometry.uvs;
dst.push( src[ a + 0 ], src[ a + 1 ] );
dst.push( src[ b + 0 ], src[ b + 1 ] );
dst.push( src[ c + 0 ], src[ c + 1 ] );
},
addDefaultUV: function () {
const dst = this.object.geometry.uvs;
dst.push( 0, 0 );
dst.push( 0, 0 );
dst.push( 0, 0 );
},
addUVLine: function ( a ) {
const src = this.uvs;
const dst = this.object.geometry.uvs;
dst.push( src[ a + 0 ], src[ a + 1 ] );
},
addFace: function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
},
addPointGeometry: function ( vertices ) {
this.object.geometry.type = 'Points';
const vLen = this.vertices.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
const index = this.parseVertexIndex( vertices[ vi ], vLen );
this.addVertexPoint( index );
this.addColor( index );
}
},
addLineGeometry: function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
};
state.startObject( '', false );
return state;
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
startObject(name: any, fromDeclaration: any): void
¶
Parameters:
name
any
fromDeclaration
any
Returns: void
Calls:
this.object.currentMaterial
this.object._finalize
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
this.currentMaterial
previousMaterial.clone
this.object.materials.push
this.objects.push
Internal Comments:
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
Code
function ( name, fromDeclaration ) {
// If the current object (initial from reset) is not from a g/o declaration in the parsed
// file. We need to use it for the first parsed g/o to keep things in sync.
if ( this.object && this.object.fromDeclaration === false ) {
this.object.name = name;
this.object.fromDeclaration = ( fromDeclaration !== false );
return;
}
const previousMaterial = ( this.object && typeof this.object.currentMaterial === 'function' ? this.object.currentMaterial() : undefined );
if ( this.object && typeof this.object._finalize === 'function' ) {
this.object._finalize( true );
}
this.object = {
name: name || '',
fromDeclaration: ( fromDeclaration !== false ),
geometry: {
vertices: [],
normals: [],
colors: [],
uvs: [],
hasUVIndices: false
},
materials: [],
smooth: true,
startMaterial: function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
},
currentMaterial: function () {
if ( this.materials.length > 0 ) {
return this.materials[ this.materials.length - 1 ];
}
return undefined;
},
_finalize: function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
};
// Inherit previous objects material.
// Spec tells us that a declared material must be set to all objects until a new material is declared.
// If a usemtl declaration is encountered while this new object is being parsed, it will
// overwrite the inherited material. Exception being that there was already face declarations
// to the inherited material, then it will be preserved for proper MultiMaterial continuation.
if ( previousMaterial && previousMaterial.name && typeof previousMaterial.clone === 'function' ) {
const declared = previousMaterial.clone( 0 );
declared.inherited = true;
this.object.materials.push( declared );
}
this.objects.push( this.object );
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
startMaterial(name: any, libraries: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
¶
Parameters:
name
any
libraries
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: any; groupEnd: number; groupCount: number; inherited: boolean; clone: (index: any) => { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }; }
Calls:
this._finalize
this.materials.splice
Array.isArray
this.clone.bind
this.materials.push
Internal Comments:
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
Code
function ( name, libraries ) {
const previous = this._finalize( false );
// New usemtl declaration overwrites an inherited material, except if faces were declared
// after the material, then it must be preserved for proper MultiMaterial continuation.
if ( previous && ( previous.inherited || previous.groupCount <= 0 ) ) {
this.materials.splice( previous.index, 1 );
}
const material = {
index: this.materials.length,
name: name || '',
mtllib: ( Array.isArray( libraries ) && libraries.length > 0 ? libraries[ libraries.length - 1 ] : '' ),
smooth: ( previous !== undefined ? previous.smooth : this.smooth ),
groupStart: ( previous !== undefined ? previous.groupEnd : 0 ),
groupEnd: - 1,
groupCount: - 1,
inherited: false,
clone: function ( index ) {
const cloned = {
index: ( typeof index === 'number' ? index : this.index ),
name: this.name,
mtllib: this.mtllib,
smooth: this.smooth,
groupStart: 0,
groupEnd: - 1,
groupCount: - 1,
inherited: false
};
cloned.clone = this.clone.bind( cloned );
return cloned;
}
};
this.materials.push( material );
return material;
}
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
clone(index: any): { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
¶
Parameters:
index
any
Returns: { index: number; name: any; mtllib: any; smooth: any; groupStart: number; groupEnd: number; groupCount: number; inherited: boolean; }
Calls:
this.clone.bind
Code
currentMaterial(): any
¶
Returns: any
Code
_finalize(end: any): any
¶
Parameters:
end
any
Returns: any
Calls:
this.currentMaterial
this.materials.splice
this.materials.push
Internal Comments:
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
// Guarantee at least one empty material, this makes the creation later more straight forward.
Code
function ( end ) {
const lastMultiMaterial = this.currentMaterial();
if ( lastMultiMaterial && lastMultiMaterial.groupEnd === - 1 ) {
lastMultiMaterial.groupEnd = this.geometry.vertices.length / 3;
lastMultiMaterial.groupCount = lastMultiMaterial.groupEnd - lastMultiMaterial.groupStart;
lastMultiMaterial.inherited = false;
}
// Ignore objects tail materials if no face declarations followed them before a new o/g started.
if ( end && this.materials.length > 1 ) {
for ( let mi = this.materials.length - 1; mi >= 0; mi -- ) {
if ( this.materials[ mi ].groupCount <= 0 ) {
this.materials.splice( mi, 1 );
}
}
}
// Guarantee at least one empty material, this makes the creation later more straight forward.
if ( end && this.materials.length === 0 ) {
this.materials.push( {
name: '',
smooth: this.smooth
} );
}
return lastMultiMaterial;
}
finalize(): void
¶
Returns: void
Calls:
this.object._finalize
Code
parseVertexIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseNormalIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
parseUVIndex(value: any, len: any): number
¶
Parameters:
value
any
len
any
Returns: number
Calls:
parseInt
Code
addVertex(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addVertexPoint(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addVertexLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addFaceNormal(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
_vA.fromArray
_vB.fromArray
_vC.fromArray
_cb.subVectors
_ab.subVectors
_cb.cross
_cb.normalize
dst.push
Code
function ( a, b, c ) {
const src = this.vertices;
const dst = this.object.geometry.normals;
_vA.fromArray( src, a );
_vB.fromArray( src, b );
_vC.fromArray( src, c );
_cb.subVectors( _vC, _vB );
_ab.subVectors( _vA, _vB );
_cb.cross( _ab );
_cb.normalize();
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
dst.push( _cb.x, _cb.y, _cb.z );
}
addColor(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
function ( a, b, c ) {
const src = this.colors;
const dst = this.object.geometry.colors;
if ( src[ a ] !== undefined ) dst.push( src[ a + 0 ], src[ a + 1 ], src[ a + 2 ] );
if ( src[ b ] !== undefined ) dst.push( src[ b + 0 ], src[ b + 1 ], src[ b + 2 ] );
if ( src[ c ] !== undefined ) dst.push( src[ c + 0 ], src[ c + 1 ], src[ c + 2 ] );
}
addUV(a: any, b: any, c: any): void
¶
Parameters:
a
any
b
any
c
any
Returns: void
Calls:
dst.push
Code
addDefaultUV(): void
¶
Returns: void
Calls:
dst.push
Code
addUVLine(a: any): void
¶
Parameters:
a
any
Returns: void
Calls:
dst.push
Code
addFace(a: any, b: any, c: any, ua: any, ub: any, uc: any, na: any, nb: any, nc: any): void
¶
Parameters:
a
any
b
any
c
any
ua
any
ub
any
uc
any
na
any
nb
any
nc
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertex
this.addColor
this.parseNormalIndex
this.addNormal
this.addFaceNormal
this.parseUVIndex
this.addUV
this.addDefaultUV
Internal Comments:
Code
function ( a, b, c, ua, ub, uc, na, nb, nc ) {
const vLen = this.vertices.length;
let ia = this.parseVertexIndex( a, vLen );
let ib = this.parseVertexIndex( b, vLen );
let ic = this.parseVertexIndex( c, vLen );
this.addVertex( ia, ib, ic );
this.addColor( ia, ib, ic );
// normals
if ( na !== undefined && na !== '' ) {
const nLen = this.normals.length;
ia = this.parseNormalIndex( na, nLen );
ib = this.parseNormalIndex( nb, nLen );
ic = this.parseNormalIndex( nc, nLen );
this.addNormal( ia, ib, ic );
} else {
this.addFaceNormal( ia, ib, ic );
}
// uvs
if ( ua !== undefined && ua !== '' ) {
const uvLen = this.uvs.length;
ia = this.parseUVIndex( ua, uvLen );
ib = this.parseUVIndex( ub, uvLen );
ic = this.parseUVIndex( uc, uvLen );
this.addUV( ia, ib, ic );
this.object.geometry.hasUVIndices = true;
} else {
// add placeholder values (for inconsistent face definitions)
this.addDefaultUV();
}
}
addPointGeometry(vertices: any): void
¶
Parameters:
vertices
any
Returns: void
Calls:
this.parseVertexIndex
this.addVertexPoint
this.addColor
Code
addLineGeometry(vertices: any, uvs: any): void
¶
Parameters:
vertices
any
uvs
any
Returns: void
Calls:
this.addVertexLine
this.parseVertexIndex
this.addUVLine
this.parseUVIndex
Code
function ( vertices, uvs ) {
this.object.geometry.type = 'Line';
const vLen = this.vertices.length;
const uvLen = this.uvs.length;
for ( let vi = 0, l = vertices.length; vi < l; vi ++ ) {
this.addVertexLine( this.parseVertexIndex( vertices[ vi ], vLen ) );
}
for ( let uvi = 0, l = uvs.length; uvi < l; uvi ++ ) {
this.addUVLine( this.parseUVIndex( uvs[ uvi ], uvLen ) );
}
}
OBJLoader.load(url: string, onLoad: (arg0: Group) => any, onProgress: onProgressCallback, onError: onErrorCallback): void
¶
JSDoc:
/**
* Starts loading from the given URL and passes the loaded OBJ asset
* to the `onLoad()` callback.
*
* @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.
* @param {function(Group)} onLoad - Executed when the loading process has been finished.
* @param {onProgressCallback} onProgress - Executed while the loading is in progress.
* @param {onErrorCallback} onError - Executed when errors occur.
*/
Parameters:
url
string
onLoad
(arg0: Group) => any
onProgress
onProgressCallback
onError
onErrorCallback
Returns: void
Calls:
loader.setPath
loader.setRequestHeader
loader.setWithCredentials
loader.load
onLoad
scope.parse
onError
console.error
scope.manager.itemError
Code
load( url, onLoad, onProgress, onError ) {
const scope = this;
const loader = new FileLoader( this.manager );
loader.setPath( this.path );
loader.setRequestHeader( this.requestHeader );
loader.setWithCredentials( this.withCredentials );
loader.load( url, function ( text ) {
try {
onLoad( scope.parse( text ) );
} catch ( e ) {
if ( onError ) {
onError( e );
} else {
console.error( e );
}
scope.manager.itemError( url );
}
}, onProgress, onError );
}
OBJLoader.setMaterials(materials: MaterialCreator): OBJLoader
¶
JSDoc:
/**
* Sets the material creator for this OBJ. This object is loaded via {@link MTLLoader}.
*
* @param {MaterialCreator} materials - An object that creates the materials for this OBJ.
* @return {OBJLoader} A reference to this loader.
*/
Parameters:
materials
MaterialCreator
Returns: OBJLoader
OBJLoader.parse(text: string): Group
¶
JSDoc:
/**
* Parses the given OBJ data and returns the resulting group.
*
* @param {string} text - The raw OBJ data as a string.
* @return {Group} The parsed OBJ.
*/
Parameters:
text
string
Returns: Group
Calls:
text.indexOf
text.replace
text.split
lines[ i ].trimStart
line.charAt
line.split
state.vertices.push
parseFloat
_color.setRGB
state.colors.push
state.normals.push
state.uvs.push
line.slice( 1 ).trim
lineData.split
vertex.split
faceVertices.push
state.addFace
line.substring( 1 ).trim().split
line.indexOf
lineParts[ li ].split
lineVertices.push
lineUVs.push
state.addLineGeometry
state.addPointGeometry
_object_pattern.exec
( ' ' + result[ 0 ].slice( 1 ).trim() ).slice
result[ 0 ].slice( 1 ).trim
state.startObject
_material_use_pattern.test
state.object.startMaterial
line.substring( 7 ).trim
_material_library_pattern.test
state.materialLibraries.push
_map_use_pattern.test
console.warn
result[ 1 ].trim().toLowerCase
state.object.currentMaterial
state.finalize
[].concat
buffergeometry.setAttribute
this.materials.create
Material.prototype.copy.call
materialLine.color.copy
materialPoints.color.copy
createdMaterials.push
buffergeometry.addGroup
container.add
Internal Comments:
// This is faster than String.split with regex that splits on both (x3)
// join lines separated by a line continuation character (\) (x3)
// @todo invoke passed in handler if any
// if no colors are defined, add placeholders so color and vertex indices match (x5)
// Parse the face vertex data into an easy to work with format
// Draw an edge between the first vertex and all subsequent vertices to form an n-gon (x2)
// o object_name (x2)
// or (x2)
// g group_name (x2)
// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869 (x2)
// let name = result[ 0 ].slice( 1 ).trim(); (x2)
// material (x5)
// mtl file (x5)
// the line is parsed but ignored since the loader assumes textures are defined MTL files (x4)
// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method) (x4)
// smooth shading
// @todo Handle files that have varying smooth values for a set of faces inside one geometry,
// but does not define a usemtl for each face set.
// This should be detected and a dummy material created (later MultiMaterial and geometry groups).
// This requires some care to not create extra material on each smooth value for "normal" obj files.
// where explicit usemtl defines geometry groups.
// Example asset: examples/models/obj/cerberus/Cerberus.obj
/*
* http://paulbourke.net/dataformats/obj/
*
* From chapter "Grouping" Syntax explanation "s group_number":
* "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
* Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
* surfaces, smoothing groups are either turned on or off; there is no difference between values greater
* than 0."
*/
// ZBrush can produce "s" lines #11707 (x5)
// Handle null terminated files without exception
// Skip o/g line declarations that did not follow with any faces
// Create materials (x2)
// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
// Create mesh (x2)
// if there is only the default parser state object with no geometry data, interpret data as point cloud
Code
parse( text ) {
const state = new ParserState();
if ( text.indexOf( '\r\n' ) !== - 1 ) {
// This is faster than String.split with regex that splits on both
text = text.replace( /\r\n/g, '\n' );
}
if ( text.indexOf( '\\\n' ) !== - 1 ) {
// join lines separated by a line continuation character (\)
text = text.replace( /\\\n/g, '' );
}
const lines = text.split( '\n' );
let result = [];
for ( let i = 0, l = lines.length; i < l; i ++ ) {
const line = lines[ i ].trimStart();
if ( line.length === 0 ) continue;
const lineFirstChar = line.charAt( 0 );
// @todo invoke passed in handler if any
if ( lineFirstChar === '#' ) continue; // skip comments
if ( lineFirstChar === 'v' ) {
const data = line.split( _face_vertex_data_separator_pattern );
switch ( data[ 0 ] ) {
case 'v':
state.vertices.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
if ( data.length >= 7 ) {
_color.setRGB(
parseFloat( data[ 4 ] ),
parseFloat( data[ 5 ] ),
parseFloat( data[ 6 ] ),
SRGBColorSpace
);
state.colors.push( _color.r, _color.g, _color.b );
} else {
// if no colors are defined, add placeholders so color and vertex indices match
state.colors.push( undefined, undefined, undefined );
}
break;
case 'vn':
state.normals.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
break;
case 'vt':
state.uvs.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] )
);
break;
}
} else if ( lineFirstChar === 'f' ) {
const lineData = line.slice( 1 ).trim();
const vertexData = lineData.split( _face_vertex_data_separator_pattern );
const faceVertices = [];
// Parse the face vertex data into an easy to work with format
for ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {
const vertex = vertexData[ j ];
if ( vertex.length > 0 ) {
const vertexParts = vertex.split( '/' );
faceVertices.push( vertexParts );
}
}
// Draw an edge between the first vertex and all subsequent vertices to form an n-gon
const v1 = faceVertices[ 0 ];
for ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {
const v2 = faceVertices[ j ];
const v3 = faceVertices[ j + 1 ];
state.addFace(
v1[ 0 ], v2[ 0 ], v3[ 0 ],
v1[ 1 ], v2[ 1 ], v3[ 1 ],
v1[ 2 ], v2[ 2 ], v3[ 2 ]
);
}
} else if ( lineFirstChar === 'l' ) {
const lineParts = line.substring( 1 ).trim().split( ' ' );
let lineVertices = [];
const lineUVs = [];
if ( line.indexOf( '/' ) === - 1 ) {
lineVertices = lineParts;
} else {
for ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {
const parts = lineParts[ li ].split( '/' );
if ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );
if ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );
}
}
state.addLineGeometry( lineVertices, lineUVs );
} else if ( lineFirstChar === 'p' ) {
const lineData = line.slice( 1 ).trim();
const pointData = lineData.split( ' ' );
state.addPointGeometry( pointData );
} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {
// o object_name
// or
// g group_name
// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869
// let name = result[ 0 ].slice( 1 ).trim();
const name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );
state.startObject( name );
} else if ( _material_use_pattern.test( line ) ) {
// material
state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );
} else if ( _material_library_pattern.test( line ) ) {
// mtl file
state.materialLibraries.push( line.substring( 7 ).trim() );
} else if ( _map_use_pattern.test( line ) ) {
// the line is parsed but ignored since the loader assumes textures are defined MTL files
// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)
console.warn( 'THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.' );
} else if ( lineFirstChar === 's' ) {
result = line.split( ' ' );
// smooth shading
// @todo Handle files that have varying smooth values for a set of faces inside one geometry,
// but does not define a usemtl for each face set.
// This should be detected and a dummy material created (later MultiMaterial and geometry groups).
// This requires some care to not create extra material on each smooth value for "normal" obj files.
// where explicit usemtl defines geometry groups.
// Example asset: examples/models/obj/cerberus/Cerberus.obj
/*
* http://paulbourke.net/dataformats/obj/
*
* From chapter "Grouping" Syntax explanation "s group_number":
* "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
* Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
* surfaces, smoothing groups are either turned on or off; there is no difference between values greater
* than 0."
*/
if ( result.length > 1 ) {
const value = result[ 1 ].trim().toLowerCase();
state.object.smooth = ( value !== '0' && value !== 'off' );
} else {
// ZBrush can produce "s" lines #11707
state.object.smooth = true;
}
const material = state.object.currentMaterial();
if ( material ) material.smooth = state.object.smooth;
} else {
// Handle null terminated files without exception
if ( line === '\0' ) continue;
console.warn( 'THREE.OBJLoader: Unexpected line: "' + line + '"' );
}
}
state.finalize();
const container = new Group();
container.materialLibraries = [].concat( state.materialLibraries );
const hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );
if ( hasPrimitives === true ) {
for ( let i = 0, l = state.objects.length; i < l; i ++ ) {
const object = state.objects[ i ];
const geometry = object.geometry;
const materials = object.materials;
const isLine = ( geometry.type === 'Line' );
const isPoints = ( geometry.type === 'Points' );
let hasVertexColors = false;
// Skip o/g line declarations that did not follow with any faces
if ( geometry.vertices.length === 0 ) continue;
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );
if ( geometry.normals.length > 0 ) {
buffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );
}
if ( geometry.colors.length > 0 ) {
hasVertexColors = true;
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );
}
if ( geometry.hasUVIndices === true ) {
buffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );
}
// Create materials
const createdMaterials = [];
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
const materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;
let material = state.materials[ materialHash ];
if ( this.materials !== null ) {
material = this.materials.create( sourceMaterial.name );
// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
if ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {
const materialLine = new LineBasicMaterial();
Material.prototype.copy.call( materialLine, material );
materialLine.color.copy( material.color );
material = materialLine;
} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {
const materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );
Material.prototype.copy.call( materialPoints, material );
materialPoints.color.copy( material.color );
materialPoints.map = material.map;
material = materialPoints;
}
}
if ( material === undefined ) {
if ( isLine ) {
material = new LineBasicMaterial();
} else if ( isPoints ) {
material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
} else {
material = new MeshPhongMaterial();
}
material.name = sourceMaterial.name;
material.flatShading = sourceMaterial.smooth ? false : true;
material.vertexColors = hasVertexColors;
state.materials[ materialHash ] = material;
}
createdMaterials.push( material );
}
// Create mesh
let mesh;
if ( createdMaterials.length > 1 ) {
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );
}
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials );
} else {
mesh = new Mesh( buffergeometry, createdMaterials );
}
} else {
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials[ 0 ] );
} else {
mesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );
}
}
mesh.name = object.name;
container.add( mesh );
}
} else {
// if there is only the default parser state object with no geometry data, interpret data as point cloud
if ( state.vertices.length > 0 ) {
const material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );
if ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );
material.vertexColors = true;
}
const points = new Points( buffergeometry, material );
container.add( points );
}
}
return container;
}
Classes¶
OBJLoader
¶
Class Code
class OBJLoader extends Loader {
/**
* Constructs a new OBJ loader.
*
* @param {LoadingManager} [manager] - The loading manager.
*/
constructor( manager ) {
super( manager );
/**
* A reference to a material creator.
*
* @type {?MaterialCreator}
* @default null
*/
this.materials = null;
}
/**
* Starts loading from the given URL and passes the loaded OBJ asset
* to the `onLoad()` callback.
*
* @param {string} url - The path/URL of the file to be loaded. This can also be a data URI.
* @param {function(Group)} onLoad - Executed when the loading process has been finished.
* @param {onProgressCallback} onProgress - Executed while the loading is in progress.
* @param {onErrorCallback} onError - Executed when errors occur.
*/
load( url, onLoad, onProgress, onError ) {
const scope = this;
const loader = new FileLoader( this.manager );
loader.setPath( this.path );
loader.setRequestHeader( this.requestHeader );
loader.setWithCredentials( this.withCredentials );
loader.load( url, function ( text ) {
try {
onLoad( scope.parse( text ) );
} catch ( e ) {
if ( onError ) {
onError( e );
} else {
console.error( e );
}
scope.manager.itemError( url );
}
}, onProgress, onError );
}
/**
* Sets the material creator for this OBJ. This object is loaded via {@link MTLLoader}.
*
* @param {MaterialCreator} materials - An object that creates the materials for this OBJ.
* @return {OBJLoader} A reference to this loader.
*/
setMaterials( materials ) {
this.materials = materials;
return this;
}
/**
* Parses the given OBJ data and returns the resulting group.
*
* @param {string} text - The raw OBJ data as a string.
* @return {Group} The parsed OBJ.
*/
parse( text ) {
const state = new ParserState();
if ( text.indexOf( '\r\n' ) !== - 1 ) {
// This is faster than String.split with regex that splits on both
text = text.replace( /\r\n/g, '\n' );
}
if ( text.indexOf( '\\\n' ) !== - 1 ) {
// join lines separated by a line continuation character (\)
text = text.replace( /\\\n/g, '' );
}
const lines = text.split( '\n' );
let result = [];
for ( let i = 0, l = lines.length; i < l; i ++ ) {
const line = lines[ i ].trimStart();
if ( line.length === 0 ) continue;
const lineFirstChar = line.charAt( 0 );
// @todo invoke passed in handler if any
if ( lineFirstChar === '#' ) continue; // skip comments
if ( lineFirstChar === 'v' ) {
const data = line.split( _face_vertex_data_separator_pattern );
switch ( data[ 0 ] ) {
case 'v':
state.vertices.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
if ( data.length >= 7 ) {
_color.setRGB(
parseFloat( data[ 4 ] ),
parseFloat( data[ 5 ] ),
parseFloat( data[ 6 ] ),
SRGBColorSpace
);
state.colors.push( _color.r, _color.g, _color.b );
} else {
// if no colors are defined, add placeholders so color and vertex indices match
state.colors.push( undefined, undefined, undefined );
}
break;
case 'vn':
state.normals.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
break;
case 'vt':
state.uvs.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] )
);
break;
}
} else if ( lineFirstChar === 'f' ) {
const lineData = line.slice( 1 ).trim();
const vertexData = lineData.split( _face_vertex_data_separator_pattern );
const faceVertices = [];
// Parse the face vertex data into an easy to work with format
for ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {
const vertex = vertexData[ j ];
if ( vertex.length > 0 ) {
const vertexParts = vertex.split( '/' );
faceVertices.push( vertexParts );
}
}
// Draw an edge between the first vertex and all subsequent vertices to form an n-gon
const v1 = faceVertices[ 0 ];
for ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {
const v2 = faceVertices[ j ];
const v3 = faceVertices[ j + 1 ];
state.addFace(
v1[ 0 ], v2[ 0 ], v3[ 0 ],
v1[ 1 ], v2[ 1 ], v3[ 1 ],
v1[ 2 ], v2[ 2 ], v3[ 2 ]
);
}
} else if ( lineFirstChar === 'l' ) {
const lineParts = line.substring( 1 ).trim().split( ' ' );
let lineVertices = [];
const lineUVs = [];
if ( line.indexOf( '/' ) === - 1 ) {
lineVertices = lineParts;
} else {
for ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {
const parts = lineParts[ li ].split( '/' );
if ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );
if ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );
}
}
state.addLineGeometry( lineVertices, lineUVs );
} else if ( lineFirstChar === 'p' ) {
const lineData = line.slice( 1 ).trim();
const pointData = lineData.split( ' ' );
state.addPointGeometry( pointData );
} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {
// o object_name
// or
// g group_name
// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869
// let name = result[ 0 ].slice( 1 ).trim();
const name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );
state.startObject( name );
} else if ( _material_use_pattern.test( line ) ) {
// material
state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );
} else if ( _material_library_pattern.test( line ) ) {
// mtl file
state.materialLibraries.push( line.substring( 7 ).trim() );
} else if ( _map_use_pattern.test( line ) ) {
// the line is parsed but ignored since the loader assumes textures are defined MTL files
// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)
console.warn( 'THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.' );
} else if ( lineFirstChar === 's' ) {
result = line.split( ' ' );
// smooth shading
// @todo Handle files that have varying smooth values for a set of faces inside one geometry,
// but does not define a usemtl for each face set.
// This should be detected and a dummy material created (later MultiMaterial and geometry groups).
// This requires some care to not create extra material on each smooth value for "normal" obj files.
// where explicit usemtl defines geometry groups.
// Example asset: examples/models/obj/cerberus/Cerberus.obj
/*
* http://paulbourke.net/dataformats/obj/
*
* From chapter "Grouping" Syntax explanation "s group_number":
* "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
* Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
* surfaces, smoothing groups are either turned on or off; there is no difference between values greater
* than 0."
*/
if ( result.length > 1 ) {
const value = result[ 1 ].trim().toLowerCase();
state.object.smooth = ( value !== '0' && value !== 'off' );
} else {
// ZBrush can produce "s" lines #11707
state.object.smooth = true;
}
const material = state.object.currentMaterial();
if ( material ) material.smooth = state.object.smooth;
} else {
// Handle null terminated files without exception
if ( line === '\0' ) continue;
console.warn( 'THREE.OBJLoader: Unexpected line: "' + line + '"' );
}
}
state.finalize();
const container = new Group();
container.materialLibraries = [].concat( state.materialLibraries );
const hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );
if ( hasPrimitives === true ) {
for ( let i = 0, l = state.objects.length; i < l; i ++ ) {
const object = state.objects[ i ];
const geometry = object.geometry;
const materials = object.materials;
const isLine = ( geometry.type === 'Line' );
const isPoints = ( geometry.type === 'Points' );
let hasVertexColors = false;
// Skip o/g line declarations that did not follow with any faces
if ( geometry.vertices.length === 0 ) continue;
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );
if ( geometry.normals.length > 0 ) {
buffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );
}
if ( geometry.colors.length > 0 ) {
hasVertexColors = true;
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );
}
if ( geometry.hasUVIndices === true ) {
buffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );
}
// Create materials
const createdMaterials = [];
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
const materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;
let material = state.materials[ materialHash ];
if ( this.materials !== null ) {
material = this.materials.create( sourceMaterial.name );
// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
if ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {
const materialLine = new LineBasicMaterial();
Material.prototype.copy.call( materialLine, material );
materialLine.color.copy( material.color );
material = materialLine;
} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {
const materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );
Material.prototype.copy.call( materialPoints, material );
materialPoints.color.copy( material.color );
materialPoints.map = material.map;
material = materialPoints;
}
}
if ( material === undefined ) {
if ( isLine ) {
material = new LineBasicMaterial();
} else if ( isPoints ) {
material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
} else {
material = new MeshPhongMaterial();
}
material.name = sourceMaterial.name;
material.flatShading = sourceMaterial.smooth ? false : true;
material.vertexColors = hasVertexColors;
state.materials[ materialHash ] = material;
}
createdMaterials.push( material );
}
// Create mesh
let mesh;
if ( createdMaterials.length > 1 ) {
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );
}
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials );
} else {
mesh = new Mesh( buffergeometry, createdMaterials );
}
} else {
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials[ 0 ] );
} else {
mesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );
}
}
mesh.name = object.name;
container.add( mesh );
}
} else {
// if there is only the default parser state object with no geometry data, interpret data as point cloud
if ( state.vertices.length > 0 ) {
const material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );
if ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );
material.vertexColors = true;
}
const points = new Points( buffergeometry, material );
container.add( points );
}
}
return container;
}
}
Methods¶
load(url: string, onLoad: (arg0: Group) => any, onProgress: onProgressCallback, onError: onErrorCallback): void
¶
Code
load( url, onLoad, onProgress, onError ) {
const scope = this;
const loader = new FileLoader( this.manager );
loader.setPath( this.path );
loader.setRequestHeader( this.requestHeader );
loader.setWithCredentials( this.withCredentials );
loader.load( url, function ( text ) {
try {
onLoad( scope.parse( text ) );
} catch ( e ) {
if ( onError ) {
onError( e );
} else {
console.error( e );
}
scope.manager.itemError( url );
}
}, onProgress, onError );
}
setMaterials(materials: MaterialCreator): OBJLoader
¶
parse(text: string): Group
¶
Code
parse( text ) {
const state = new ParserState();
if ( text.indexOf( '\r\n' ) !== - 1 ) {
// This is faster than String.split with regex that splits on both
text = text.replace( /\r\n/g, '\n' );
}
if ( text.indexOf( '\\\n' ) !== - 1 ) {
// join lines separated by a line continuation character (\)
text = text.replace( /\\\n/g, '' );
}
const lines = text.split( '\n' );
let result = [];
for ( let i = 0, l = lines.length; i < l; i ++ ) {
const line = lines[ i ].trimStart();
if ( line.length === 0 ) continue;
const lineFirstChar = line.charAt( 0 );
// @todo invoke passed in handler if any
if ( lineFirstChar === '#' ) continue; // skip comments
if ( lineFirstChar === 'v' ) {
const data = line.split( _face_vertex_data_separator_pattern );
switch ( data[ 0 ] ) {
case 'v':
state.vertices.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
if ( data.length >= 7 ) {
_color.setRGB(
parseFloat( data[ 4 ] ),
parseFloat( data[ 5 ] ),
parseFloat( data[ 6 ] ),
SRGBColorSpace
);
state.colors.push( _color.r, _color.g, _color.b );
} else {
// if no colors are defined, add placeholders so color and vertex indices match
state.colors.push( undefined, undefined, undefined );
}
break;
case 'vn':
state.normals.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] ),
parseFloat( data[ 3 ] )
);
break;
case 'vt':
state.uvs.push(
parseFloat( data[ 1 ] ),
parseFloat( data[ 2 ] )
);
break;
}
} else if ( lineFirstChar === 'f' ) {
const lineData = line.slice( 1 ).trim();
const vertexData = lineData.split( _face_vertex_data_separator_pattern );
const faceVertices = [];
// Parse the face vertex data into an easy to work with format
for ( let j = 0, jl = vertexData.length; j < jl; j ++ ) {
const vertex = vertexData[ j ];
if ( vertex.length > 0 ) {
const vertexParts = vertex.split( '/' );
faceVertices.push( vertexParts );
}
}
// Draw an edge between the first vertex and all subsequent vertices to form an n-gon
const v1 = faceVertices[ 0 ];
for ( let j = 1, jl = faceVertices.length - 1; j < jl; j ++ ) {
const v2 = faceVertices[ j ];
const v3 = faceVertices[ j + 1 ];
state.addFace(
v1[ 0 ], v2[ 0 ], v3[ 0 ],
v1[ 1 ], v2[ 1 ], v3[ 1 ],
v1[ 2 ], v2[ 2 ], v3[ 2 ]
);
}
} else if ( lineFirstChar === 'l' ) {
const lineParts = line.substring( 1 ).trim().split( ' ' );
let lineVertices = [];
const lineUVs = [];
if ( line.indexOf( '/' ) === - 1 ) {
lineVertices = lineParts;
} else {
for ( let li = 0, llen = lineParts.length; li < llen; li ++ ) {
const parts = lineParts[ li ].split( '/' );
if ( parts[ 0 ] !== '' ) lineVertices.push( parts[ 0 ] );
if ( parts[ 1 ] !== '' ) lineUVs.push( parts[ 1 ] );
}
}
state.addLineGeometry( lineVertices, lineUVs );
} else if ( lineFirstChar === 'p' ) {
const lineData = line.slice( 1 ).trim();
const pointData = lineData.split( ' ' );
state.addPointGeometry( pointData );
} else if ( ( result = _object_pattern.exec( line ) ) !== null ) {
// o object_name
// or
// g group_name
// WORKAROUND: https://bugs.chromium.org/p/v8/issues/detail?id=2869
// let name = result[ 0 ].slice( 1 ).trim();
const name = ( ' ' + result[ 0 ].slice( 1 ).trim() ).slice( 1 );
state.startObject( name );
} else if ( _material_use_pattern.test( line ) ) {
// material
state.object.startMaterial( line.substring( 7 ).trim(), state.materialLibraries );
} else if ( _material_library_pattern.test( line ) ) {
// mtl file
state.materialLibraries.push( line.substring( 7 ).trim() );
} else if ( _map_use_pattern.test( line ) ) {
// the line is parsed but ignored since the loader assumes textures are defined MTL files
// (according to https://www.okino.com/conv/imp_wave.htm, 'usemap' is the old-style Wavefront texture reference method)
console.warn( 'THREE.OBJLoader: Rendering identifier "usemap" not supported. Textures must be defined in MTL files.' );
} else if ( lineFirstChar === 's' ) {
result = line.split( ' ' );
// smooth shading
// @todo Handle files that have varying smooth values for a set of faces inside one geometry,
// but does not define a usemtl for each face set.
// This should be detected and a dummy material created (later MultiMaterial and geometry groups).
// This requires some care to not create extra material on each smooth value for "normal" obj files.
// where explicit usemtl defines geometry groups.
// Example asset: examples/models/obj/cerberus/Cerberus.obj
/*
* http://paulbourke.net/dataformats/obj/
*
* From chapter "Grouping" Syntax explanation "s group_number":
* "group_number is the smoothing group number. To turn off smoothing groups, use a value of 0 or off.
* Polygonal elements use group numbers to put elements in different smoothing groups. For free-form
* surfaces, smoothing groups are either turned on or off; there is no difference between values greater
* than 0."
*/
if ( result.length > 1 ) {
const value = result[ 1 ].trim().toLowerCase();
state.object.smooth = ( value !== '0' && value !== 'off' );
} else {
// ZBrush can produce "s" lines #11707
state.object.smooth = true;
}
const material = state.object.currentMaterial();
if ( material ) material.smooth = state.object.smooth;
} else {
// Handle null terminated files without exception
if ( line === '\0' ) continue;
console.warn( 'THREE.OBJLoader: Unexpected line: "' + line + '"' );
}
}
state.finalize();
const container = new Group();
container.materialLibraries = [].concat( state.materialLibraries );
const hasPrimitives = ! ( state.objects.length === 1 && state.objects[ 0 ].geometry.vertices.length === 0 );
if ( hasPrimitives === true ) {
for ( let i = 0, l = state.objects.length; i < l; i ++ ) {
const object = state.objects[ i ];
const geometry = object.geometry;
const materials = object.materials;
const isLine = ( geometry.type === 'Line' );
const isPoints = ( geometry.type === 'Points' );
let hasVertexColors = false;
// Skip o/g line declarations that did not follow with any faces
if ( geometry.vertices.length === 0 ) continue;
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( geometry.vertices, 3 ) );
if ( geometry.normals.length > 0 ) {
buffergeometry.setAttribute( 'normal', new Float32BufferAttribute( geometry.normals, 3 ) );
}
if ( geometry.colors.length > 0 ) {
hasVertexColors = true;
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( geometry.colors, 3 ) );
}
if ( geometry.hasUVIndices === true ) {
buffergeometry.setAttribute( 'uv', new Float32BufferAttribute( geometry.uvs, 2 ) );
}
// Create materials
const createdMaterials = [];
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
const materialHash = sourceMaterial.name + '_' + sourceMaterial.smooth + '_' + hasVertexColors;
let material = state.materials[ materialHash ];
if ( this.materials !== null ) {
material = this.materials.create( sourceMaterial.name );
// mtl etc. loaders probably can't create line materials correctly, copy properties to a line material.
if ( isLine && material && ! ( material instanceof LineBasicMaterial ) ) {
const materialLine = new LineBasicMaterial();
Material.prototype.copy.call( materialLine, material );
materialLine.color.copy( material.color );
material = materialLine;
} else if ( isPoints && material && ! ( material instanceof PointsMaterial ) ) {
const materialPoints = new PointsMaterial( { size: 10, sizeAttenuation: false } );
Material.prototype.copy.call( materialPoints, material );
materialPoints.color.copy( material.color );
materialPoints.map = material.map;
material = materialPoints;
}
}
if ( material === undefined ) {
if ( isLine ) {
material = new LineBasicMaterial();
} else if ( isPoints ) {
material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
} else {
material = new MeshPhongMaterial();
}
material.name = sourceMaterial.name;
material.flatShading = sourceMaterial.smooth ? false : true;
material.vertexColors = hasVertexColors;
state.materials[ materialHash ] = material;
}
createdMaterials.push( material );
}
// Create mesh
let mesh;
if ( createdMaterials.length > 1 ) {
for ( let mi = 0, miLen = materials.length; mi < miLen; mi ++ ) {
const sourceMaterial = materials[ mi ];
buffergeometry.addGroup( sourceMaterial.groupStart, sourceMaterial.groupCount, mi );
}
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials );
} else {
mesh = new Mesh( buffergeometry, createdMaterials );
}
} else {
if ( isLine ) {
mesh = new LineSegments( buffergeometry, createdMaterials[ 0 ] );
} else if ( isPoints ) {
mesh = new Points( buffergeometry, createdMaterials[ 0 ] );
} else {
mesh = new Mesh( buffergeometry, createdMaterials[ 0 ] );
}
}
mesh.name = object.name;
container.add( mesh );
}
} else {
// if there is only the default parser state object with no geometry data, interpret data as point cloud
if ( state.vertices.length > 0 ) {
const material = new PointsMaterial( { size: 1, sizeAttenuation: false } );
const buffergeometry = new BufferGeometry();
buffergeometry.setAttribute( 'position', new Float32BufferAttribute( state.vertices, 3 ) );
if ( state.colors.length > 0 && state.colors[ 0 ] !== undefined ) {
buffergeometry.setAttribute( 'color', new Float32BufferAttribute( state.colors, 3 ) );
material.vertexColors = true;
}
const points = new Points( buffergeometry, material );
container.add( points );
}
}
return container;
}