Shader "Toon/Lit" {
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Properties {
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_Color ("Main Color", Color) = (0.5,0.5,0.5,1)
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_MainTex ("Base (RGB)", 2D) = "white" {}
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_Ramp ("Toon Ramp (RGB)", 2D) = "gray" {}
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}
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SubShader {
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Tags { "RenderType"="Opaque" }
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LOD 200
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CGPROGRAM
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#pragma surface surf ToonRamp
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sampler2D _Ramp;
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// custom lighting function that uses a texture ramp based
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// on angle between light direction and normal
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#pragma lighting ToonRamp exclude_path:prepass
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inline half4 LightingToonRamp (SurfaceOutput s, half3 lightDir, half atten)
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{
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#ifndef USING_DIRECTIONAL_LIGHT
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lightDir = normalize(lightDir);
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#endif
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half d = dot (s.Normal, lightDir)*0.5 + 0.5;
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half3 ramp = tex2D (_Ramp, float2(d,d)).rgb;
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half4 c;
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c.rgb = s.Albedo * _LightColor0.rgb * ramp * (atten * 2);
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c.a = 0;
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return c;
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}
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sampler2D _MainTex;
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float4 _Color;
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struct Input {
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float2 uv_MainTex : TEXCOORD0;
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};
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void surf (Input IN, inout SurfaceOutput o) {
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half4 c = tex2D(_MainTex, IN.uv_MainTex) * _Color;
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o.Albedo = c.rgb;
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o.Alpha = c.a;
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}
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ENDCG
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}
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Fallback "Diffuse"
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}
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