Shader "Effect/Edge_Dissolve"
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{
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Properties
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{
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_MainTex ("Diffuse", 2D) = "white" { }
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_Noise ("Noise", 2D) = "white" { }
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_edge ("勾边大小", Float) = 0.1
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_brightness ("勾边亮度", Float) = 100
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_diffuseStrength ("diffuse强度", Float) = 10
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_color ("color", Color) = (0.8, 0.3, 0.1, 1)
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}
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SubShader
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{
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Tags { "IgnoreProjector" = "True" "Queue" = "Transparent" "RenderType" = "Transparent" }
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Pass
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{
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Tags { "LightMode" = "ForwardBase" }
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Blend SrcAlpha OneMinusSrcAlpha
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Cull Off
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ZWrite Off
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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//#define UNITY_PASS_FORWARDBASE
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#include "UnityCG.cginc"
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#pragma multi_compile_fwdbase
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#pragma exclude_renderers xbox360 ps3 flash
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#pragma target 3.0
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uniform sampler2D _MainTex;
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uniform sampler2D _Noise;
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uniform float _edge;
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uniform float _brightness;
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uniform float _diffuseStrength;
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uniform float4 _color;
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struct VertexInput
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{
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float4 vertex: POSITION;
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float3 normal: NORMAL;
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float4 tangent: TANGENT;
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float2 texcoord0: TEXCOORD0;
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float4 vertexColor: COLOR;
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};
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struct VertexOutput
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{
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float4 pos: SV_POSITION;
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float2 uv0: TEXCOORD0;
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float4 vertexColor: COLOR;
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};
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VertexOutput vert(VertexInput v)
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{
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VertexOutput o = (VertexOutput)0;
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o.uv0 = v.texcoord0;
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o.vertexColor = v.vertexColor;
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o.pos = UnityObjectToClipPos(v.vertex);
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return o;
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}
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fixed4 frag(VertexOutput i): COLOR
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{
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fixed4 _DiffuseColor = tex2D(_MainTex, i.uv0);
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fixed4 _NoiseColor = tex2D(_Noise, i.uv0);
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fixed3 finalColor = (_diffuseStrength * (_color.rgb * _DiffuseColor.rgb)) * _DiffuseColor.r;
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fixed edgeA = step(_NoiseColor.r, (_edge + i.vertexColor.r));
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fixed edgeB = step(_NoiseColor.r, i.vertexColor.r);
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return fixed4(finalColor * (1 + (i.vertexColor.a * _DiffuseColor.a * (edgeA - edgeB) * _brightness)), i.vertexColor.a * _DiffuseColor.a);
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}
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ENDCG
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}
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}
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// FallBack "Additive"
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}
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