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110 lines
3.0 KiB
Plaintext
110 lines
3.0 KiB
Plaintext
3 years ago
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// Upgrade NOTE: replaced 'mul(UNITY_MATRIX_MVP,*)' with 'UnityObjectToClipPos(*)'
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Shader "Effects/Ice/IceDistortion" {
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Properties {
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_Color ("Main Color", Color) = (1,1,1,1)
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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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_ReflectColor ("Reflection Color", Color) = (1,1,1,0.5)
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_ReflectionStrength ("ReflectionStrength", Range (1, 20)) = 1
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_MainTex ("Base (RGB) Emission Tex (A)", 2D) = "white" {}
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_Opacity ("Material opacity [(-1)-1]", Range (-1, 1)) = 0.5
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_Cube ("Reflection Cubemap", Cube) = "" { }
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_BumpMap ("Normalmap", 2D) = "bump" {}
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_FPOW("FPOW Fresnel", Float) = 5.0
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_R0("R0 Fresnel", Float) = 0.05
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_Cutoff ("Cutoff [0-1]", Range (0, 1)) = 0.5
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_LightStr ("Light strength [0-1]", Range (0, 1)) = 1
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_BumpAmt ("Distortion", Float) = 10
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}
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SubShader {
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Tags { "Queue"="Transparent+1" "IgnoreProjector"="True" "RenderType"="Transperent" }
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GrabPass {"_GrabTexture"}
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LOD 200
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ZWrite On
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CGPROGRAM
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#pragma surface surf BlinnPhong alpha vertex:vert
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#pragma target 3.0
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#pragma glsl
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sampler2D _MainTex;
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sampler2D _BumpMap;
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samplerCUBE _Cube;
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float _BumpAmt;
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sampler2D _GrabTexture;
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float4 _GrabTexture_TexelSize;
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float4 _Color;
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float4 _ReflectColor;
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float _ReflectionStrength;
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float _Shininess;
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float _FPOW;
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float _R0;
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float _Opacity;
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float _Cutoff;
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float _LightStr;
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struct Input {
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float2 uv_MainTex;
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float2 uv_BumpMap;
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float3 viewDir;
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float3 worldRefl;
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INTERNAL_DATA
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float2 uv_BumpMapGlass;
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float4 proj : TEXCOORD0;
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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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float4 oPos = UnityObjectToClipPos(v.vertex);
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#if UNITY_UV_STARTS_AT_TOP
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float scale = -1.0;
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#else
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float scale = 1.0;
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#endif
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o.proj.xy = (float2(oPos.x, oPos.y*scale) + oPos.w) * 0.5;
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o.proj.zw = oPos.w;
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#if UNITY_SINGLE_PASS_STEREO
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o.proj.xy = TransformStereoScreenSpaceTex(o.proj.xy, o.proj.w);
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#endif
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}
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void surf (Input IN, inout SurfaceOutput o) {
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half4 tex = tex2D(_MainTex, IN.uv_MainTex);
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half4 c = tex * _Color;
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o.Gloss = tex.a;
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o.Specular = _Shininess;
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o.Normal = UnpackNormal(tex2D(_BumpMap, IN.uv_BumpMap));
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float3 worldRefl = WorldReflectionVector (IN, o.Normal);
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half4 reflcol = texCUBE (_Cube, worldRefl);
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reflcol *= tex.a;
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half fresnel = saturate(1.0 - dot(o.Normal, normalize(IN.viewDir)));
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fresnel = pow(fresnel, _FPOW);
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fresnel = _R0 + (1.0 - _R0) * fresnel;
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reflcol = lerp(c, reflcol, fresnel);
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half2 offset = o.Normal.rg * _BumpAmt * _GrabTexture_TexelSize.xy;
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IN.proj.xy = offset * IN.proj.z + IN.proj.xy;
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half4 col = tex2Dproj(_GrabTexture, UNITY_PROJ_COORD(IN.proj));
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o.Emission = (col.rgb + reflcol.rgb* _ReflectionStrength * _LightStr) * _ReflectColor.rgb;
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o.Albedo = _Color ;
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o.Alpha = saturate(_Cutoff > tex.a ? tex.a+_Opacity : 0);
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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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