Fixed sloppy renaming.

src/core/Projector.js

@@ -133,7 +133,7 @@ THREE.Projector = function () {
 
 					} else {
 
-						_vector3.getPositionFromMatrix.copy( object.matrixWorld );
+						_vector3.getPositionFromMatrix( object.matrixWorld );
 						_vector3.applyProjection( _viewProjectionMatrix );
 						_object.z = _vector3.z;