Clean up.

Author: mrdoob

examples/jsm/renderers/Projector.js

@@ -348,21 +348,23 @@ class Projector {
 						_face.v3.copy( v3 );
 						_face.z = ( v1.positionScreen.z + v2.positionScreen.z + v3.positionScreen.z ) / 3;
 						_face.renderOrder = object.renderOrder;
+						
+						// face normal
 
 						_vector3.subVectors( v3.position, v2.position );
 						_vector4.subVectors( v1.position, v2.position );
 						_vector3.cross( _vector4 );
 						_face.normalModel.copy( _vector3 );
 						_face.normalModel.applyMatrix3( normalMatrix ).normalize();
 
-						for ( let n = 0; n < 3; n ++ ) {
+						for ( let i = 0; i < 3; i ++ ) {
 
-							const normal = _face.vertexNormalsModel[ n ];
-							normal.fromArray( normals, arguments[ n ] * 3 );
+							const normal = _face.vertexNormalsModel[ i ];
+							normal.fromArray( normals, arguments[ i ] * 3 );
 							normal.applyMatrix3( normalMatrix ).normalize();
 
-							const uv = _face.uvs[ n ];
-							uv.fromArray( uvs, arguments[ n ] * 2 );
+							const uv = _face.uvs[ i ];
+							uv.fromArray( uvs, arguments[ i ] * 2 );
 
 						}