Clean up

src/materials/MeshBasicMaterial.js

@@ -21,7 +21,7 @@ import { Color } from '../math/Color.js';
  *
  *  alphaMap: new THREE.Texture( <Image> ),
  *
- *  envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),
  *  combine: THREE.Multiply,
  *  reflectivity: <float>,
  *  refractionRatio: <float>,

src/materials/MeshLambertMaterial.js

@@ -26,7 +26,7 @@ import { Color } from '../math/Color.js';
  *
  *  alphaMap: new THREE.Texture( <Image> ),
  *
- *  envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),
  *  combine: THREE.Multiply,
  *  reflectivity: <float>,
  *  refractionRatio: <float>,

src/materials/MeshPhongMaterial.js

@@ -39,7 +39,7 @@ import { Color } from '../math/Color.js';
  *
  *  alphaMap: new THREE.Texture( <Image> ),
  *
- *  envMap: new THREE.TextureCube( [posx, negx, posy, negy, posz, negz] ),
+ *  envMap: new THREE.CubeTexture( [posx, negx, posy, negy, posz, negz] ),
  *  combine: THREE.Multiply,
  *  reflectivity: <float>,
  *  refractionRatio: <float>,