learning game physics with bullet physics and opengl
USE
updownleftrightto move and USEZXto zoom
use
Wto toggle wireframe debug drawing, useBto toggle AABB debug drawing
use
Dto delete object which mouse overhead, useright clickto shoot a box
left clickanddragto move to box
Collision event will change the material of boxes
Gfor force test,Efor impulse test
















