78 lines
2.4 KiB
Plaintext
78 lines
2.4 KiB
Plaintext
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Shader "TOZ/Object/TriProj/World/DiffuseParallaxSpec" {
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Properties {
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_Color("Main Color", Color) = (1, 1, 1, 1)
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_MainTex("Base (RGB)", 2D) = "white" {}
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_BumpMap("Normalmap", 2D) = "bump" {}
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_Parallax("Height", Range (0.005, 0.08)) = 0.02
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_ParallaxMap("Heightmap (A)", 2D) = "black" {}
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_SpecColor("Specular Color", Color) = (0.5, 0.5, 0.5, 1)
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_Shininess("Shininess", Range(0.01, 1)) = 0.078125
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_Blend("Blending", Range (0.01, 0.4)) = 0.2
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}
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CGINCLUDE
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fixed4 _Color;
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sampler2D _MainTex, _BumpMap, _ParallaxMap;
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float4 _MainTex_ST;
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float _Parallax;
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half _Shininess;
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fixed _Blend;
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struct Input {
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float3 weight : TEXCOORD0;
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float3 worldPos;
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float3 dirView;
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};
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void vert(inout appdata_full v, out Input o) {
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UNITY_INITIALIZE_OUTPUT(Input, o);
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fixed3 n = max(abs(v.normal) - _Blend, 0);
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o.weight = n / (n.x + n.y + n.z).xxx;
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o.dirView = ObjSpaceViewDir(v.vertex);
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}
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float2 Parallax2(half h, half height, half3 viewDir) {
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h = h * height - height/2.0;
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float3 v = normalize(viewDir);
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return h * v.xy;
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}
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void surf(Input IN, inout SurfaceOutput o) {
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//Unity 5 texture interpolators already fill in limits, and no room for packing
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//So we do the uvs per pixel :(
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float2 uvx = (IN.worldPos.yz - _MainTex_ST.zw) * _MainTex_ST.xy;
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float2 uvy = (IN.worldPos.xz - _MainTex_ST.zw) * _MainTex_ST.xy;
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float2 uvz = (IN.worldPos.xy - _MainTex_ST.zw) * _MainTex_ST.xy;
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half2 hz = Parallax2(tex2D(_ParallaxMap, uvx).w, _Parallax, IN.dirView.yzx) * IN.weight.x;
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half2 hy = Parallax2(tex2D(_ParallaxMap, uvy).w, _Parallax, IN.dirView.xzy) * IN.weight.y;
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half2 hx = Parallax2(tex2D(_ParallaxMap, uvz).w, _Parallax, IN.dirView.xyz) * IN.weight.z;
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fixed2 h = hz + hy + hx;
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fixed4 cz = tex2D(_MainTex, uvx + h) * IN.weight.xxxx;
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fixed4 cy = tex2D(_MainTex, uvy + h) * IN.weight.yyyy;
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fixed4 cx = tex2D(_MainTex, uvz + h) * IN.weight.zzzz;
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fixed4 col = (cz + cy + cx);
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o.Albedo = col.rgb * _Color.rgb;
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o.Gloss = col.a;
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o.Specular = _Shininess;
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fixed3 bz = UnpackNormal(tex2D(_BumpMap, uvx + h)) * IN.weight.xxx;
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fixed3 by = UnpackNormal(tex2D(_BumpMap, uvy + h)) * IN.weight.yyy;
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fixed3 bx = UnpackNormal(tex2D(_BumpMap, uvz + h)) * IN.weight.zzz;
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o.Normal = bz + by + bx;
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o.Alpha = col.a * _Color.a;
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}
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ENDCG
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SubShader {
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Tags { "RenderType" = "Opaque" "Queue" = "Geometry" }
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LOD 600
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CGPROGRAM
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#pragma surface surf BlinnPhong vertex:vert
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#pragma target 3.0
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ENDCG
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}
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FallBack "Legacy Shaders/Parallax Specular"
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}
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