Initial commit

HTML/ThreeJS/node_modules/three/examples/js/utils/SceneUtils.js

@@ -0,0 +1,60 @@
+( function () {
+
+	function createMeshesFromInstancedMesh( instancedMesh ) {
+
+		const group = new THREE.Group();
+		const count = instancedMesh.count;
+		const geometry = instancedMesh.geometry;
+		const material = instancedMesh.material;
+
+		for ( let i = 0; i < count; i ++ ) {
+
+			const mesh = new THREE.Mesh( geometry, material );
+			instancedMesh.getMatrixAt( i, mesh.matrix );
+			mesh.matrix.decompose( mesh.position, mesh.quaternion, mesh.scale );
+			group.add( mesh );
+
+		}
+
+		group.copy( instancedMesh );
+		group.updateMatrixWorld(); // ensure correct world matrices of meshes
+
+		return group;
+
+	}
+
+	function createMultiMaterialObject( geometry, materials ) {
+
+		const group = new THREE.Group();
+
+		for ( let i = 0, l = materials.length; i < l; i ++ ) {
+
+			group.add( new THREE.Mesh( geometry, materials[ i ] ) );
+
+		}
+
+		return group;
+
+	}
+
+	function detach( child, parent, scene ) {
+
+		console.warn( 'THREE.SceneUtils: detach() has been deprecated. Use scene.attach( child ) instead.' );
+		scene.attach( child );
+
+	}
+
+	function attach( child, scene, parent ) {
+
+		console.warn( 'THREE.SceneUtils: attach() has been deprecated. Use parent.attach( child ) instead.' );
+		parent.attach( child );
+
+	}
+
+	THREE.SceneUtils = {};
+	THREE.SceneUtils.attach = attach;
+	THREE.SceneUtils.createMeshesFromInstancedMesh = createMeshesFromInstancedMesh;
+	THREE.SceneUtils.createMultiMaterialObject = createMultiMaterialObject;
+	THREE.SceneUtils.detach = detach;
+
+} )();