Some very interesting processing work by Robert Hodgin. Here he describes his sphere attempts.
'I have always been and will continue to be impressed with the simple sphere. Such a basic shape, so easy to visualize but so complex to code. Early in my Processing experience, I decided I wanted to learn what translate, push and pop were capable of. I had no previous experience with these methods borrowed from OpenGL but I soon realized it was a necessary stepping stone to better understanding how to experiment with objects in 3D space. I stumbled upon a pseudo-code explanation which used the idea of a solar system to help explain these methods. Start from the sun, push a new matrix onto the stack and translate out to place Mercury. Pop back to the sun and push and translate out to Venus, etc.
A few years later, I have come to understand some of the intricacies of working with spheres and my love for additive blending is in full bloom. '
from: http://www.flight404.com/blog/?p=155
found: http://hawk.jensfranke.com/ss09/processing/linksammlung/
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