public void render(Graphics2D g2d) {
g2d.setColor(color);
GameMethods.setOpacity(g2d, opacity);
g2d.fillOval((int) x, (int) y, diameter, diameter);
}
public void render(Graphics2D g2d) {
g2d.setColor(Color.white);
GameMethods.setOpacity(g2d, opacity);
g2d.fillRect(0, 0, game.getWidth(), game.getHeight());
}