This simple tutorial demonstrates integration of Bullet Physics Library with Irrlicht. Bullet object and Irrlicht scene node are syncronized via ISceneNodeAnimator interface. Currently i've tested convex and concave meshes, seems to work fine. You should have latest (2.54) Bullet library and directory hierarchy like this bullet\ irrlicht\ -examples\ --BulletAnimator -media\ --pin.png --pin.x Pin o