NormalShader2D.hx

class NormalShader2D extends hxsl.Shader {
	static var SRC = {
		@:import h3d.shader.Base2d;		
		@param var normalMap : Sampler2d;
		function fragment() {
			var n = unpackNormal(normalMap.get(calculatedUV));
			var light = vec3(1,2,3).normalize();
			var lum = light.dot(n).saturate();
			pixelColor.rgb *= lum;
		}
	}
}