ET/Unity/Assets/UnityArts/Effects/ArtSource/effectShader/YXJ/UI/Dissolve.shader

Shader "YXJ/UI/Dissolve" {

    Properties {
		// _MainTex ("Texture", 2D) = "white" {}
		[PerRendererData] _MainTex ("Sprite Texture", 2D) = "white" {}
		_Color ("Tint", Color) = (1,1,1,1)

		_MaskTex("Mask (A)", 2D) = "white" {}
		[NoScaleOffset] _EdgeTex("Edge (U,Ramp)", 2D) = "white" {}
		_Edge ("Edge", Range(0.01,1)) = 0.05
		[HideInInspector]_CutOff ("Alpha CutOff", Range(0.01,1.0)) = 0.5
		_Fade ("Fade", Range(0.01,0.99)) = 0.5

		_StencilComp ("Stencil Comparison", Float) = 8
		_Stencil ("Stencil ID", Float) = 0
		_StencilOp ("Stencil Operation", Float) = 0
		_StencilWriteMask ("Stencil Write Mask", Float) = 255
		_StencilReadMask ("Stencil Read Mask", Float) = 255

		_ColorMask ("Color Mask", Float) = 15
    }

    SubShader {
		Tags { "Queue" = "Geometry" "RenderType" = "TransparentCutout" }

		Stencil
		{
			Ref [_Stencil]
			Comp [_StencilComp]
			Pass [_StencilOp] 
			ReadMask [_StencilReadMask]
			WriteMask [_StencilWriteMask]
		}

		Cull Back
		Lighting Off
		ZWrite Off
		ZTest [unity_GUIZTestMode]
		Blend SrcAlpha OneMinusSrcAlpha
		ColorMask [_ColorMask]

		LOD 100
		CGPROGRAM
		#pragma surface surf RimLight halfasview noforwardadd nolightmap alphatest:_CutOff
		#pragma target 3.0

		struct Input {
          float2 uv_MainTex;
		  float2 uv_MaskTex;
          float3 viewDir;
		};

		struct SurfaceRimOutput
		{
			fixed3 Albedo;
			fixed3 Normal;
			fixed3 Emission;
			fixed Alpha;
		};

		sampler2D _MainTex;
		sampler2D _MaskTex;
		sampler2D _EdgeTex;
		half _Edge;
		half _Fade;
		half _LightAmount;
		fixed4 _WrapColor;
		fixed4 _RimColor;
		half _RimPower;
		fixed4 _Color;

		void surf (Input IN, inout SurfaceRimOutput o) {
			fixed4 diff = tex2D(_MainTex, IN.uv_MainTex).rgba;
			clip (diff.a - 0.001);
			fixed4 mask = tex2D(_MaskTex, IN.uv_MaskTex);
			half edgeWidth = max(0, mask.a - _Fade);
			edgeWidth /= (1 - _Fade) * (_Edge + _Fade);
			if (edgeWidth < 1 && _Fade > 0.01)
				diff.rgb += tex2D(_EdgeTex, float2(edgeWidth, 0)).rgb;

			fixed alpha = mask.a >= (_Fade + 0.01) ? 1 : 0;

			o.Albedo = diff.rgb;
			o.Emission = diff.rgb * _Color;
			o.Alpha = alpha;
		}

		inline half4 LightingRimLight(SurfaceRimOutput s, half3 lightDir, half3 halfDir, half atten) {
			half4 c;
			c.rgb = s.Albedo;
			c.a = s.Alpha;
			return c;
		}
		ENDCG
    }
	Fallback "Mobile/VertexLit"
}