The Hacks of Life

Let's just imagine that you have an uber-shader, and an uber-interface for it.  The uber-shader can do about 100 cool shading tricks, an...

This was pointed out to me by another OpenGL developer: if you don't have non-uniform scaling as part of your model view matrix, the upp...

X-Plane uses transform animation - that is, 3-d models are animated by applying rotations and translations to parts of their geometry.  This...

Thanks to the folks on the Mac OpenGL lists who helped me figure this out. pow(0,0) is undefined in the GLSL spec. On ATI hardware, it seems...

X-Plane uses bounding spheres to cull our meshes.  So having the smallest possible bounding spheres matters - the quality of the bounding sp...

I found info here on how to do some basic sanitization of a website for the iphone...you can put this into your header section: <meta na...

As usual, a concept which I struggled with for years is implemented cleanly and elegantly in CGAL.  I've spent more hours than I can thi...