I have a question that pertains to figuring out normal force. I seem to have a predicament that involves collision detection.
At the start I first sum all the forces acting on the object at hand. All external forces come from input or collisions that were maybe applied last cycle. Then all the internal forces: friction, gravity, and normal force. Gravity I can figure out, but figure friction requires me to know the normal but for that I have to know if I'm standing on a platform or not. My question is, is there some elegant way to solve this? For example, is it plausible to just omit the normal force on the first cycle, check collisions and apply the normal force on the next? Or should I make a deliberate check if player is standing on a platform?