public void fireBullet() {
final Bullet b = createBullet();
b.setRotation(this.getRotation());
final ConstantMovementController c =
ConstantMovementController.createPolar(getBulletSpeed(), getRotation());
b.addController(c);
snapAnchor(b);
// b.moveAtAngle(getWidth() / 2 + 20, getRotation());
this.addSibling(b);
}
public void flip() {
double vx = cmc.getVelocityX();
vx = -vx;
cmc.setVelocityX(vx);
}