Recent content by kballing

I've got a technical job interview tomorrow for a robotics related position. I have asked to prepare for questions as follows. "I would prepare to be comfortable answering questions on programming fundamentals and standard practices, including memory management, algorithms, and object-oriented...

well, that make total sense. Boy am I rusty. So the cross product of down and the normal vector of the plane in question would return a vector perpendicular to both the down and normal. Perpendicular to down would be in a plane level with the horizon or flat ground. Perpendicular to the normal...

I'm dabbling in computer graphics and a game engine (Blender). I want to create a snowboard/ski simulation that is fairly realistic. Starting with a mesh of triangles, I want to know what direction is downhill at any given spot on the mesh. In other words, if I drop a ball on any part of the...