The Hacks of Life

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...

A little bit of polygon offset goes a long way in fixing shadow mapping "acne". In particular, polygon offset when creating the s...

My last post introduced an STL vector that uses RLE to save space and an index for reasonably fast random access. But that's not the wh...