modified maps

modified maps

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

@@ -0,0 +1,71 @@
+// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
+
+Shader "Hidden/Vignetting" {
+	Properties {
+		_MainTex ("Base", 2D) = "white" {}
+		_VignetteTex ("Vignette", 2D) = "white" {}
+	}
+	
+	CGINCLUDE
+	
+	#include "UnityCG.cginc"
+	
+	struct v2f {
+		float4 pos : SV_POSITION;
+		float2 uv : TEXCOORD0;
+		float2 uv2 : TEXCOORD1;
+	};
+	
+	sampler2D _MainTex;
+	sampler2D _VignetteTex;
+	
+	half _Intensity;
+	half _Blur;
+
+	float4 _MainTex_TexelSize;
+		
+	v2f vert( appdata_img v ) {
+		v2f o;
+		o.pos = UnityObjectToClipPos(v.vertex);
+		o.uv = v.texcoord.xy;
+		o.uv2 = v.texcoord.xy;
+
+		#if UNITY_UV_STARTS_AT_TOP
+		if (_MainTex_TexelSize.y < 0)
+			 o.uv2.y = 1.0 - o.uv2.y;
+		#endif
+
+		return o;
+	} 
+	
+	half4 frag(v2f i) : SV_Target {
+		half2 coords = i.uv;
+		half2 uv = i.uv;
+		
+		coords = (coords - 0.5) * 2.0;		
+		half coordDot = dot (coords,coords);
+		half4 color = tex2D (_MainTex, uv);	 
+
+		float mask = 1.0 - coordDot * _Intensity; 
+		
+		half4 colorBlur = tex2D (_VignetteTex, i.uv2);
+		color = lerp (color, colorBlur, saturate (_Blur * coordDot));
+		
+		return color * mask;
+	}
+
+	ENDCG 
+	
+Subshader {
+ Pass {
+	  ZTest Always Cull Off ZWrite Off
+
+      CGPROGRAM
+      #pragma vertex vert
+      #pragma fragment frag
+      ENDCG
+  }
+}
+
+Fallback off	
+}