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66 lines
1.2 KiB
66 lines
1.2 KiB
import {
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Group,
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Mesh
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} from '../../../build/three.module.js';
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class SceneUtils {
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static createMeshesFromInstancedMesh( instancedMesh ) {
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const group = new Group();
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const count = instancedMesh.count;
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const geometry = instancedMesh.geometry;
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const material = instancedMesh.material;
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for ( let i = 0; i < count; i ++ ) {
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const mesh = new Mesh( geometry, material );
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instancedMesh.getMatrixAt( i, mesh.matrix );
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mesh.matrix.decompose( mesh.position, mesh.quaternion, mesh.scale );
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group.add( mesh );
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}
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group.copy( instancedMesh );
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group.updateMatrixWorld(); // ensure correct world matrices of meshes
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return group;
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}
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static createMultiMaterialObject( geometry, materials ) {
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const group = new Group();
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for ( let i = 0, l = materials.length; i < l; i ++ ) {
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group.add( new Mesh( geometry, materials[ i ] ) );
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}
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return group;
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}
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static detach( child, parent, scene ) {
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console.warn( 'THREE.SceneUtils: detach() has been deprecated. Use scene.attach( child ) instead.' );
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scene.attach( child );
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}
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static attach( child, scene, parent ) {
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console.warn( 'THREE.SceneUtils: attach() has been deprecated. Use parent.attach( child ) instead.' );
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parent.attach( child );
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}
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}
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export { SceneUtils };
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