BlurVF.shader

Shader "Custom/BlurVF" {
	Properties{
		_MainTex("Texture", 2D) = "white" {}
		_Diff("Diff", Range(0, 1)) = 0.1
	}

	SubShader{
		Pass{
			CGPROGRAM
#pragma fragment frag
#pragma vertex vert_img
#include "UnityCG.cginc"
			sampler2D _MainTex;
			float _Diff;

			float4 frag(v2f_img i) :COLOR{
				float4 col = tex2D(_MainTex, i.uv - _Diff) + tex2D(_MainTex, i.uv + _Diff);
				return col / 2;
			}
			ENDCG
		}
	}
}