Such a blatantly provocative title can only be justified by a damn cool demo. Lucky I’ve got one for you!
Andy Zupko shows us that clicking in a 3D space is now easily achieved in Papervision3D and convinces us by endowing your mouse with godlike powers. Go roll some Earth.
Link: Dragging in 3D - the right way
Link: Dragging in 3D - demo
