private Body createBody(float x, float y, float width, float height, boolean sensor) { BodyDef bodyDef = new BodyDef(); bodyDef.type = BodyDef.BodyType.KinematicBody; bodyDef.position.set(new Vector2(x, y)); bodyDef.allowSleep = true; PolygonShape shape = new PolygonShape(); shape.setAsBox(width / 2, height / 2, new Vector2(0, 0), 0); Body _body = WorldUtils.world.createBody(bodyDef); Fixture fixture = _body.createFixture(shape, 1.0f); fixture.setFriction(0); fixture.setSensor(sensor); if (!sensor) { fixture.setUserData(Constants.POTION_FIXTURE); } else { fixture.setUserData(Constants.NOT_COLLIDER_FIXTURE); } Filter filter = new Filter(); filter.categoryBits = Constants.COLLISION_CREATURE; filter.maskBits = Constants.COLLISION_GROUND + Constants.COLLISION_CREATURE + Constants.COLLISION_FIELD; fixture.setFilterData(filter); _body.setUserData(this); return _body; }