Use the mouse =) Look for the comments inside. 10/7/15:Changed sorting algorithm procedure, including grouping and dropping the iterative merge sort
This 3D engine now calculates distance of an object by taking the average of the three distances from the viewpoint to the points of the shape, rather than calculating the distance from the viewpoint to the midpoint of the object. A lot of scripts inside this project are being unused; they were for tests.
