pass for now: - cast a shadow wip: - extend m3d todo: - create camera struct/class and walk with arrow keys, gluLookAt() ? - enable fog - xbox controller - obj loader - look at mesa's sources and borrow OSD stuff - GL error checking and extensions - split SDL notes: - texture matrix!? - texture filtering: process of calculating color fragments from a stretched or shrunken texture map obj loader: - glGenTextures() - glBindTextures()