Update TileCompressionPlugin.js

Author: gkjohnson

src/plugins/three/TileCompressionPlugin.js

@@ -1,6 +1,4 @@
-import { MeshNormalMaterial } from 'three';
 import { Vector3, LinearFilter, BufferAttribute, MathUtils } from 'three';
-import { toCreasedNormals } from 'three/examples/jsm/utils/BufferGeometryUtils.js';
 
 const _vec = new Vector3();
 function compressAttribute( attribute, arrayType ) {
@@ -183,10 +181,7 @@ export class TileCompressionPlugin {
 
 				if ( generateNormals && ! attributes.normals ) {
 
-					geometry = toCreasedNormals( geometry, 30 * MathUtils.DEG2RAD );
-					c.geometry = geometry;
-
-					c.material = new MeshNormalMaterial();
+					geometry.computeVertexNormals();
 
 				}