class CharCtrl
{
	static function initChar(data)
	{
		data.vx    = Math.random() * 5 - 2;
		data.vy    = 1;
		data.count = 0;
		data.bounded = false;
	}

	static function tickChar(data)
	{
		data.vy += 0.3;
		data.x += data.vx;
		data.y += data.vy;

		if (data.y > 580 && !data.bounded)
		{
			data.y = 580;
			data.vy = -12;
			data.bounded = true;
		}

		return (data.y <= 680) && (data.x >= -80) && (data.x < 880);
	}

}