protected PlayerEntity(final Vector2d pos, final Vector2d dir) {
		super(pos, dir);

		switch ((int) (Math.random() * 3)) {
		case COLOR_RED:
			colorID = COLOR_RED;
			img = ImageLoader.ship_red;
			break;
		case COLOR_GREEN:
			colorID = COLOR_GREEN;
			img = ImageLoader.ship_green;
			break;
		case COLOR_BLUE:
			colorID = COLOR_BLUE;
			img = ImageLoader.ship_blue;
			break;
		}
	}