sprite.rotate (a, x, y);

var world = api.createPhysicsWorld(0, 9.8);
var bodyDef = new api.PhysicsBody();
bodyDef.position.y = 0;
bodyDef.position.x = 2;
bodyDef.type = 1;
bodyDef.shape.x = image.getW() / 200;
bodyDef.shape.y = image.getH() / 200;
var body = world.createBody(bodyDef);

var staticDef = new api.PhysicsBody();
staticDef.position.x = 2;
staticDef.position.y = 5;
staticDef.mass = 0;
staticDef.shape.x = 10;
world.createBody(staticDef);

while(api.run()) {
   world.step(timer.deltaTime() / 10000, 6, 2);
   var pos = body.getPosition();
     
     
     
   sprite.setPosition ({
    x : (pos.x * 100) - image.getW()/2,
    y : (pos.y * 100) - image.getH()/2
   });
}

var world = api.createPhysicsWorld(0, 9.8, 100);

var bodyDef = new api.PhysicsDef();
bodyDef.type = 1;

sprite.setPhysics(bodyDef, world);

while(api.run()) {
  world.step(timer.deltaTime() / 1000, 6, 2);
}