67 lines
1.2 KiB
JavaScript
67 lines
1.2 KiB
JavaScript
|
import {
|
||
|
|
Object3D,
|
||
|
|
Quaternion,
|
||
|
|
Vector3
|
||
|
|
} from 'three';
|
||
|
|
|
||
|
|
const _translationObject = new Vector3();
|
||
|
|
const _quaternionObject = new Quaternion();
|
||
|
|
const _scaleObject = new Vector3();
|
||
|
|
|
||
|
|
const _translationWorld = new Vector3();
|
||
|
|
const _quaternionWorld = new Quaternion();
|
||
|
|
const _scaleWorld = new Vector3();
|
||
|
|
|
||
|
|
class Gyroscope extends Object3D {
|
||
|
|
|
||
|
|
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 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
export { Gyroscope };
|