// Upgrade NOTE: replaced '_Object2World' with 'unity_ObjectToWorld'
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// Upgrade NOTE: replaced '_World2Object' with 'unity_WorldToObject'
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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// Copyright Mechanist Games
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Shader "Effect/Ghost"
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{
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Properties
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{
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_NormTex ("Norm Texture", 2D) = "white" { }
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_TintColor ("Tint Color", Color) = (1, 1, 1, 1)
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_TintColor2 ("Tint Color 2", Color) = (1, 1, 1, 1)
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}
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Subshader
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{
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Tags { "Queue" = "Transparent" "IgnoreProjector" = "True" "LightMode" = "Always" }
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Pass
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{
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ZWrite On
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Blend SrcAlpha One
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Cull Back
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Lighting Off
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Fog
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{
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Mode Off
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}
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CGPROGRAM
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#pragma target 3.0
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#pragma vertex vert
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#pragma fragment frag
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#pragma fragmentoption ARB_precision_hint_fastest
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#pragma exclude_renderers flash
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#include "UnityCG.cginc"
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#include "SnxxzCG.cginc"
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struct vertexInput
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{
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half4 vertex: POSITION;
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half3 normal: NORMAL;
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half4 tangent: TANGENT;
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half2 texcoord: TEXCOORD0;
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};
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struct vertShader
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{
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// basics
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half4 pos: SV_POSITION;
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half2 uv1: TEXCOORD0;
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// frag lighting
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half3 nrm: TEXCOORD1;
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half3 tng: TEXCOORD2;
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half3 bin: TEXCOORD3;
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half3 cam: TEXCOORD4;
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};
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// properties
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uniform sampler2D _NormTex;
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uniform half4 _TintColor;
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uniform half4 _TintColor2;
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vertShader vert(vertexInput v)
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{
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vertShader o;
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half3 worldVertex = mul(unity_ObjectToWorld, v.vertex).xyz;
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// pos and uv tex coord
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o.pos = UnityObjectToClipPos(v.vertex);
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o.uv1 = v.texcoord;
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// frag lighting
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o.nrm = normalize(mul(half4(v.normal, 0.0), unity_WorldToObject).xyz);
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o.tng = normalize(mul(unity_ObjectToWorld, half4(v.tangent.xyz, 0.0)).xyz);
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o.bin = normalize(cross(o.nrm, o.tng) * v.tangent.w);
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o.cam = normalize(WorldSpaceViewDir(v.vertex));
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return o;
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}
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half4 frag(vertShader i): SV_Target
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{
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// textures
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half3 bumpmap = tex2D(_NormTex, i.uv1) - half3(0.5, 0.5, 0.5);
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// normals
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half3x3 matrixDIR = half3x3(i.tng, i.bin, i.nrm);
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half3 normDIR = normalize(mul(bumpmap, matrixDIR));
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// rim
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half rimlight = 1 - max(0, dot(i.cam, normDIR));
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half4 outcolor = lerp(_TintColor, _TintColor2, rimlight * 2);
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outcolor.a = rimlight;
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return outcolor;
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}
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ENDCG
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}
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}
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}
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