#pragma once

half heightBlend(half h1, half h2, half slope, half contrast)
{
	h2 = 1 - h2;
	return saturate((saturate((slope - min(h1, h2)) / max(abs(h1 - h2), 0.1)) - contrast) / max(1.0 - contrast, 0.1));
	//half tween = saturate((slope - min(h1, h2)) / max(abs(h1 - h2), 0.1));
	//half threshold = contrast;
	//half width = 1.0 - contrast;
	//return saturate((tween - threshold) / max(width, 0.1));
}