niko
59 lines
1.4 KiB
Plaintext
59 lines
1.4 KiB
Plaintext
Shader "Hidden/UVFree/Terrain/LegacySpecular-Base" {
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Properties {
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_SpecColor ("Specular Color", Color) = (0.5, 0.5, 0.5, 1.0)
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_Shininess ("Shininess", Range (0.03, 1.0)) = 0.078125
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_MainTex ("Base (RGB) Gloss (A)", 2D) = "white" {}
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// used in fallback on old cards
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_Color ("Main Color", Color) = (1.0,1.0,1.0,1.0)
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[Toggle(_UVFREE_RIM)] _UVFreeRim ("Use Rim Lighting", Float) = 0.0
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_RimMultiplier ("Rim Multiplier", Range(0.0,8.0)) = 0.2
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_RimColor ("Rim Color (RGB) Strength (A)", Color) = (1.0,1.0,1.0,1.0)
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_RimPower ("Rim Power", Range(0.0,16.0)) = 5.0
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}
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SubShader {
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Tags {
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"RenderType" = "Opaque"
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"Queue" = "Geometry-100"
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}
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LOD 200
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CGPROGRAM
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#pragma surface surf BlinnPhong fullforwardshadows
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#pragma multi_compile __ _UVFREE_RIM
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sampler2D _MainTex;
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half _Shininess;
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fixed4 _RimColor;
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half _RimPower;
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half _RimMultiplier;
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struct Input {
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float2 uv_MainTex;
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#ifdef _UVFREE_RIM
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fixed3 viewDir;
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#endif
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};
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void surf (Input IN, inout SurfaceOutput o) {
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fixed4 tex = tex2D(_MainTex, IN.uv_MainTex);
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o.Albedo = tex.rgb;
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o.Gloss = tex.a;
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o.Alpha = 1.0f;
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o.Specular = _Shininess;
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// RIM
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//
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#ifdef _UVFREE_RIM
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half rimStrength = 1.0 - max(0.0, dot(normalize(IN.viewDir), normalize(o.Normal)));
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o.Emission = _RimMultiplier * _RimColor.rgb * pow(rimStrength, _RimPower) * _RimColor.a;
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#endif
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}
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ENDCG
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}
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FallBack "Legacy Shaders/Specular"
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}
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