OBJLoader: Fix material copy for lines and point clouds

Author: Mugen87

examples/js/loaders/OBJLoader.js

@@ -688,14 +688,15 @@ THREE.OBJLoader = ( function () {
 						if ( isLine && material && ! ( material instanceof THREE.LineBasicMaterial ) ) {
 
 							var materialLine = new THREE.LineBasicMaterial();
-							materialLine.copy( material );
-							materialLine.lights = false; // TOFIX
+							THREE.Material.prototype.copy.call( materialLine, material );
+							materialLine.lights = false;
 							material = materialLine;
 
 						} else if ( isPoints && material && ! ( material instanceof THREE.PointsMaterial ) ) {
 
-							var materialPoints = new THREE.PointsMaterial( { size: 10, sizeAttenuation: false } );
-							materialLine.copy( material );
+							var materialPoints = new THREE.PointsMaterial( { size: 2, sizeAttenuation: false } );
+							THREE.Material.prototype.copy.call( materialPoints, material );
+							materialPoints.lights = false;
 							material = materialPoints;
 
 						}