private final Scene scene;
public CapsuleExample() {
// start jinngine
scene = new DefaultScene(new SAP2(), new NonsmoothNonlinearConjugateGradient(44), new DisabledDeactivationPolicy());
scene.setTimestep(0.1);
// add boxes to bound the world
Body floor = new Body("floor", new Box(1500,20,1500));
floor.setPosition(new Vector3(0,-30,0));