Depthsorting funtimes

sort.hx

private function getSort()
{
	var sortval:Float = 0;
	var curAngle = loop(((FlxG.camera.angle-90) * Math.PI) / 180);
	
	var r = Math.sqrt(Math.pow(top.getGraphicMidpoint().x - player.x, 2) + Math.pow(top.getGraphicMidpoint().y - player.y, 2));
	var phi = Math.atan2(top.getGraphicMidpoint().x - player.x, top.getGraphicMidpoint().y - player.y) + Math.PI;
	
	var topAngle = curAngle;
	var botAngle = loop(curAngle + Math.PI);
	var avgAngle = (topAngle + botAngle) / 2;
	var botFlag = false;
	var alpha:Float = 0;
	var smalldiff = Math.min(loop(topAngle - phi), loop(botAngle - phi));
	if (loop(topAngle - phi) == smalldiff)
	{
		botFlag = false;
		alpha = topAngle;
	}
	else
	{
		botFlag = true;
		alpha = botAngle;
	}
	
	if (phi == avgAngle)
	{
		sortval = 0;
		return sortval;
	}
	
	if (alpha == phi)
	{
		sortval = r;
		return sortval;
	}
		
	var a = phi - alpha;
	
	sortval = r * Math.sin(a);
	sortval = Math.abs(sortval);
	if (botFlag == true)
	{
		sortval *= -1;
	}
	
	return sortval;
}