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📄 Gyroscope.js

📊 Analysis Summary

Metric	Count
🔧 Functions	1
🧱 Classes	1
📦 Imports	3
📊 Variables & Constants	6

📚 Table of Contents

• Imports
• Variables & Constants
• Functions
• Classes

🛠️ File Location:

📂 examples/jsm/misc/Gyroscope.js

📦 Imports

Name	Source
Object3D	three
Quaternion	three
Vector3	three

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Variables & Constants

Name	Type	Kind	Value	Exported
_translationObject	any	let/var	new Vector3()	✗
_quaternionObject	any	let/var	new Quaternion()	✗
_scaleObject	any	let/var	new Vector3()	✗
_translationWorld	any	let/var	new Vector3()	✗
_quaternionWorld	any	let/var	new Quaternion()	✗
_scaleWorld	any	let/var	new Vector3()	✗

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Functions

Gyroscope.updateMatrixWorld(force: any): void

Parameters:

• force any

Returns: void

Calls:

• this.updateMatrix
• this.matrixWorld.multiplyMatrices
• this.matrixWorld.decompose
• this.matrix.decompose
• this.matrixWorld.compose
• this.matrixWorld.copy
• this.children[ i ].updateMatrixWorld

Internal Comments:

// update matrixWorld
// update children

Code

updateMatrixWorld( force ) {

        this.matrixAutoUpdate && this.updateMatrix();

        // update matrixWorld

        if ( this.matrixWorldNeedsUpdate || force ) {

            if ( this.parent !== null ) {

                this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );

                this.matrixWorld.decompose( _translationWorld, _quaternionWorld, _scaleWorld );
                this.matrix.decompose( _translationObject, _quaternionObject, _scaleObject );

                this.matrixWorld.compose( _translationWorld, _quaternionObject, _scaleWorld );


            } else {

                this.matrixWorld.copy( this.matrix );

            }


            this.matrixWorldNeedsUpdate = false;

            force = true;

        }

        // update children

        for ( let i = 0, l = this.children.length; i < l; i ++ ) {

            this.children[ i ].updateMatrixWorld( force );

        }

    }

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Classes

Gyroscope

Class Code

class Gyroscope extends Object3D {

    /**
     * Constructs a new gyroscope.
     */
    constructor() {

        super();

    }

    updateMatrixWorld( force ) {

        this.matrixAutoUpdate && this.updateMatrix();

        // update matrixWorld

        if ( this.matrixWorldNeedsUpdate || force ) {

            if ( this.parent !== null ) {

                this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );

                this.matrixWorld.decompose( _translationWorld, _quaternionWorld, _scaleWorld );
                this.matrix.decompose( _translationObject, _quaternionObject, _scaleObject );

                this.matrixWorld.compose( _translationWorld, _quaternionObject, _scaleWorld );


            } else {

                this.matrixWorld.copy( this.matrix );

            }


            this.matrixWorldNeedsUpdate = false;

            force = true;

        }

        // update children

        for ( let i = 0, l = this.children.length; i < l; i ++ ) {

            this.children[ i ].updateMatrixWorld( force );

        }

    }

}

Methods

updateMatrixWorld(force: any): void

Code

updateMatrixWorld( force ) {

        this.matrixAutoUpdate && this.updateMatrix();

        // update matrixWorld

        if ( this.matrixWorldNeedsUpdate || force ) {

            if ( this.parent !== null ) {

                this.matrixWorld.multiplyMatrices( this.parent.matrixWorld, this.matrix );

                this.matrixWorld.decompose( _translationWorld, _quaternionWorld, _scaleWorld );
                this.matrix.decompose( _translationObject, _quaternionObject, _scaleObject );

                this.matrixWorld.compose( _translationWorld, _quaternionObject, _scaleWorld );


            } else {

                this.matrixWorld.copy( this.matrix );

            }


            this.matrixWorldNeedsUpdate = false;

            force = true;

        }

        // update children

        for ( let i = 0, l = this.children.length; i < l; i ++ ) {

            this.children[ i ].updateMatrixWorld( force );

        }

    }

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