ScreenSpace.shader

Shader "jigaX/ScreenSpace" {
	Properties {
	}
	SubShader {
		pass {
			Tags { "LightMode" = "ForwardBase" }
			
			CGPROGRAM
			
			#pragma vertex vert
			#pragma fragment frag
			
			#include "UnityCG.cginc"
			
			float4 vert( float4 v:POSITION ) : SV_POSITION{
				return mul (UNITY_MATRIX_MVP, v);
			}
			fixed4 frag( float4 sp:VPOS ) : SV_Target {
				float blue = 1-(sp.x/_ScreenParams.x + sp.y/_ScreenParams.y);
				return fixed4( sp.xy/_ScreenParams.xy, blue, 1.0 );
			}
			ENDCG
		}
	} 
	//FallBack "Diffuse"
}