You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.3 KiB
61 lines
1.3 KiB
2 years ago
|
( function () {
|
||
|
|
|
||
|
|
class SceneUtils {
|
||
|
|
|
||
|
|
static 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;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static 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;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static detach( child, parent, scene ) {
|
||
|
|
|
||
|
|
console.warn( 'THREE.SceneUtils: detach() has been deprecated. Use scene.attach( child ) instead.' );
|
||
|
|
scene.attach( child );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
static attach( child, scene, parent ) {
|
||
|
|
|
||
|
|
console.warn( 'THREE.SceneUtils: attach() has been deprecated. Use parent.attach( child ) instead.' );
|
||
|
|
parent.attach( child );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
THREE.SceneUtils = SceneUtils;
|
||
|
|
|
||
|
|
} )();
|