最新代码

public/sdk/three/jsm/misc/Gyroscope.js

@@ -0,0 +1,66 @@
+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 };