Glome Projection

Project 4D sphere onto 2D screen.

Reference

• https://math.stackexchange.com/questions/1402362/can-rotations-in-4d-be-given-an-explicit-matrix-form
• https://en.wikipedia.org/wiki/Spherical_coordinate_system
• http://hi.gher.space/forum/viewtopic.php?t=78