📄 RotateNode.js¶
📊 Analysis Summary¶
| Metric | Count |
|---|---|
| 🔧 Functions | 2 |
| 🧱 Classes | 1 |
| 📦 Imports | 7 |
| 📊 Variables & Constants | 1 |
📚 Table of Contents¶
🛠️ File Location:¶
📂 src/nodes/utils/RotateNode.js
📦 Imports¶
| Name | Source |
|---|---|
TempNode |
../core/TempNode.js |
nodeProxy |
../tsl/TSLBase.js |
vec4 |
../tsl/TSLBase.js |
mat2 |
../tsl/TSLBase.js |
mat4 |
../tsl/TSLBase.js |
cos |
../math/MathNode.js |
sin |
../math/MathNode.js |
Variables & Constants¶
| Name | Type | Kind | Value | Exported |
|---|---|---|---|---|
rotation |
Node |
let/var | rotationNode |
✗ |
Functions¶
RotateNode.getNodeType(builder: NodeBuilder): string¶
JSDoc:
/**
* The type of the {@link RotateNode#positionNode} defines the node's type.
*
* @param {NodeBuilder} builder - The current node builder.
* @return {string} The node's type.
*/
Parameters:
builderNodeBuilder
Returns: string
Calls:
this.positionNode.getNodeType
RotateNode.setup(builder: any): any¶
Parameters:
builderany
Returns: any
Calls:
this.getNodeTyperotationNode.cosrotationNode.sinmat2 (from ../tsl/TSLBase.js)sinAngle.negaterotationMatrix.mulmat4 (from ../tsl/TSLBase.js)vec4 (from ../tsl/TSLBase.js)cos (from ../math/MathNode.js)sin( rotation.x ).negatesin (from ../math/MathNode.js)sin( rotation.y ).negatesin( rotation.z ).negaterotationXMatrix.mul( rotationYMatrix ).mul( rotationZMatrix ).mul
Code
setup( builder ) {
const { rotationNode, positionNode } = this;
const nodeType = this.getNodeType( builder );
if ( nodeType === 'vec2' ) {
const cosAngle = rotationNode.cos();
const sinAngle = rotationNode.sin();
const rotationMatrix = mat2(
cosAngle, sinAngle,
sinAngle.negate(), cosAngle
);
return rotationMatrix.mul( positionNode );
} else {
const rotation = rotationNode;
const rotationXMatrix = mat4( vec4( 1.0, 0.0, 0.0, 0.0 ), vec4( 0.0, cos( rotation.x ), sin( rotation.x ).negate(), 0.0 ), vec4( 0.0, sin( rotation.x ), cos( rotation.x ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationYMatrix = mat4( vec4( cos( rotation.y ), 0.0, sin( rotation.y ), 0.0 ), vec4( 0.0, 1.0, 0.0, 0.0 ), vec4( sin( rotation.y ).negate(), 0.0, cos( rotation.y ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationZMatrix = mat4( vec4( cos( rotation.z ), sin( rotation.z ).negate(), 0.0, 0.0 ), vec4( sin( rotation.z ), cos( rotation.z ), 0.0, 0.0 ), vec4( 0.0, 0.0, 1.0, 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
return rotationXMatrix.mul( rotationYMatrix ).mul( rotationZMatrix ).mul( vec4( positionNode, 1.0 ) ).xyz;
}
}
Classes¶
RotateNode¶
Class Code
class RotateNode extends TempNode {
static get type() {
return 'RotateNode';
}
/**
* Constructs a new rotate node.
*
* @param {Node} positionNode - The position node.
* @param {Node} rotationNode - Represents the rotation that is applied to the position node. Depending
* on whether the position data are 2D or 3D, the rotation is expressed a single float value or an Euler value.
*/
constructor( positionNode, rotationNode ) {
super();
/**
* The position node.
*
* @type {Node}
*/
this.positionNode = positionNode;
/**
* Represents the rotation that is applied to the position node.
* Depending on whether the position data are 2D or 3D, the rotation is expressed a single float value or an Euler value.
*
* @type {Node}
*/
this.rotationNode = rotationNode;
}
/**
* The type of the {@link RotateNode#positionNode} defines the node's type.
*
* @param {NodeBuilder} builder - The current node builder.
* @return {string} The node's type.
*/
getNodeType( builder ) {
return this.positionNode.getNodeType( builder );
}
setup( builder ) {
const { rotationNode, positionNode } = this;
const nodeType = this.getNodeType( builder );
if ( nodeType === 'vec2' ) {
const cosAngle = rotationNode.cos();
const sinAngle = rotationNode.sin();
const rotationMatrix = mat2(
cosAngle, sinAngle,
sinAngle.negate(), cosAngle
);
return rotationMatrix.mul( positionNode );
} else {
const rotation = rotationNode;
const rotationXMatrix = mat4( vec4( 1.0, 0.0, 0.0, 0.0 ), vec4( 0.0, cos( rotation.x ), sin( rotation.x ).negate(), 0.0 ), vec4( 0.0, sin( rotation.x ), cos( rotation.x ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationYMatrix = mat4( vec4( cos( rotation.y ), 0.0, sin( rotation.y ), 0.0 ), vec4( 0.0, 1.0, 0.0, 0.0 ), vec4( sin( rotation.y ).negate(), 0.0, cos( rotation.y ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationZMatrix = mat4( vec4( cos( rotation.z ), sin( rotation.z ).negate(), 0.0, 0.0 ), vec4( sin( rotation.z ), cos( rotation.z ), 0.0, 0.0 ), vec4( 0.0, 0.0, 1.0, 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
return rotationXMatrix.mul( rotationYMatrix ).mul( rotationZMatrix ).mul( vec4( positionNode, 1.0 ) ).xyz;
}
}
}
Methods¶
getNodeType(builder: NodeBuilder): string¶
setup(builder: any): any¶
Code
setup( builder ) {
const { rotationNode, positionNode } = this;
const nodeType = this.getNodeType( builder );
if ( nodeType === 'vec2' ) {
const cosAngle = rotationNode.cos();
const sinAngle = rotationNode.sin();
const rotationMatrix = mat2(
cosAngle, sinAngle,
sinAngle.negate(), cosAngle
);
return rotationMatrix.mul( positionNode );
} else {
const rotation = rotationNode;
const rotationXMatrix = mat4( vec4( 1.0, 0.0, 0.0, 0.0 ), vec4( 0.0, cos( rotation.x ), sin( rotation.x ).negate(), 0.0 ), vec4( 0.0, sin( rotation.x ), cos( rotation.x ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationYMatrix = mat4( vec4( cos( rotation.y ), 0.0, sin( rotation.y ), 0.0 ), vec4( 0.0, 1.0, 0.0, 0.0 ), vec4( sin( rotation.y ).negate(), 0.0, cos( rotation.y ), 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
const rotationZMatrix = mat4( vec4( cos( rotation.z ), sin( rotation.z ).negate(), 0.0, 0.0 ), vec4( sin( rotation.z ), cos( rotation.z ), 0.0, 0.0 ), vec4( 0.0, 0.0, 1.0, 0.0 ), vec4( 0.0, 0.0, 0.0, 1.0 ) );
return rotationXMatrix.mul( rotationYMatrix ).mul( rotationZMatrix ).mul( vec4( positionNode, 1.0 ) ).xyz;
}
}