@Override
	public void tick(PlayField field) {
		// super.tick(field);
		xVel = xVel + xAcc / 10.F;
		x += xVel;
		if (x < width / 2) {
			x = width / 2;
		}
		if (x > Game.WIDTH - width / 2) {
			x = Game.WIDTH - width / 2;
		}
		y += yVel;
		xVel = xVel / friction;
		yVel = yVel / friction;
		if (x <= 0 || x >= Game.WIDTH || y < -2) {
			field.destroyEntity(this);
		}

		doCollision(field);
	}