View difference between Paste ID: EqHTKxgm and jUK1yzcY

 ///// body construction
 		BodyDef bodyDef = new BodyDef();
 		// We set our body to dynamic, for something like ground which doesnt move we would set it to StaticBody
 		bodyDef.type = BodyType.DynamicBody;
 		// Set our body's starting position in the world
 		bodyDef.position.set(100, 200);
 
 		// Create our body in the world using our body definition
 		Body body = world.createBody(bodyDef);
 
 		// Create a circle shape and set its radius to 6
 		CircleShape circle = new CircleShape();
 		circle.setRadius(20f);
 
 		// Create a fixture definition to apply our shape to
 		FixtureDef fixtureDef = new FixtureDef();
 		fixtureDef.shape = circle;
 		fixtureDef.density = 500f;
 		fixtureDef.friction = 0f;
 		fixtureDef.restitution = 1f;
 
 		// Create our fixture and attach it to the body
 		fixture = body.createFixture(fixtureDef);
 
 //// apply force on press of keys
         Vector2 impulse = new Vector2();
         impulse.x = ( Gdx.input.isKeyPressed( Input.Keys.LEFT ) ? - 1000
                 : ( Gdx.input.isKeyPressed( Input.Keys.RIGHT ) ? 1000 : 0 ) );
         impulse.y = ( Gdx.input.isKeyPressed( Input.Keys.UP ) ? 1000
                 : ( Gdx.input.isKeyPressed( Input.Keys.DOWN ) ? - 1000 : 0 ) );
 
         fixture.getBody().applyLinearImpulse(impulse, fixture.getBody().getWorldCenter());
 
 //// painting using the body pos
 	Actor e = (Actor) b.getUserData();
 
 	if (e != null) {
 		// Update the entities/sprites position and angle
 		e.setPosition(b.getPosition().x, b.getPosition().y);
 		// We need to convert our angle from radians to degrees
 		e.setRotation(MathUtils.radiansToDegrees * b.getAngle());
 	}