void TickOnceAfter();
void SetUpLighting();
GLvoid ReSizeGLScene(float fov, float near);
-int checkcollide(XYZ startpoint, XYZ endpoint);
-int checkcollide(XYZ startpoint, XYZ endpoint, int what);
-int checkcollide(XYZ startpoint, XYZ endpoint, float minx, float miny, float minz, float maxx, float maxy, float maxz, int what);
void fireSound(int sound = fireendsound);