modified maps

modified maps

Assets/NatureStarterKit2/Standard Assets/Effects/ImageEffects/Shaders/ContrastComposite.shader

@@ -0,0 +1,69 @@
+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Hidden/ContrastComposite" {
+	Properties {
+		_MainTex ("Base (RGB)", 2D) = "" {}
+		_MainTexBlurred ("Base Blurred (RGB)", 2D) = "" {}
+	}
+	
+	// Shader code pasted into all further CGPROGRAM blocks	
+	CGINCLUDE
+	
+	#include "UnityCG.cginc"
+	
+	struct v2f {
+		float4 pos : SV_POSITION;
+		float2 uv[2] : TEXCOORD0;
+	};
+	
+	sampler2D _MainTex;
+	sampler2D _MainTexBlurred;
+	
+	float4 _MainTex_TexelSize;
+	
+	float intensity;
+	float threshold;
+		
+	v2f vert( appdata_img v ) {
+		v2f o;
+		o.pos = UnityObjectToClipPos(v.vertex);
+		
+		o.uv[0] = v.texcoord.xy;
+		o.uv[1] = v.texcoord.xy;
+		#if UNITY_UV_STARTS_AT_TOP
+		if (_MainTex_TexelSize.y < 0)
+			o.uv[0].y = 1-o.uv[0].y;
+		#endif			
+		return o;
+	}
+	
+	half4 frag(v2f i) : SV_Target 
+	{
+		half4 color = tex2D (_MainTex, i.uv[1]);
+		half4 blurred = tex2D (_MainTexBlurred, (i.uv[0]));
+		
+		half4 difference = color - blurred;
+		half4 signs = sign (difference);
+		
+		half4 enhancement = saturate (abs(difference) - threshold) * signs * 1.0/(1.0-threshold);
+		color += enhancement * intensity;
+		
+		return color;
+	}
+
+	ENDCG
+	
+Subshader {
+ Pass {
+	  ZTest Always Cull Off ZWrite Off
+
+      CGPROGRAM
+      #pragma vertex vert
+      #pragma fragment frag
+      ENDCG
+  }
+}
+
+Fallback off
+	
+} // shader