542 lines
17 KiB
Plaintext
542 lines
17 KiB
Plaintext
Shader "Gonbest/Experiment/FlowMapHair"
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{
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Properties{
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_Color("Texture 1 Color", Color) = (1, 1, 1, 1)
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_Cutoff("Base Alpha cutoff", Range(0,.9)) = .5
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// _Blend("Blend", Range(0, 1)) = 0
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_Texture1("Texture 1", 2D) = ""
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//_ColorA("Texture 1 Color", Color) = (1, 1, 1, 1)
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// _Texture2("Texture 2", 2D) = ""
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//_ColorB("Texture 2 Color", Color) = (1, 1, 1, 1)
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_Normal("Normal Map", 2D) = "bump" {}
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_NormalScale("Normal Scale", Float) = 1.0
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_SpecGlossMap("Specular", 2D) = "white" {}
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_SpecularColor("Specular",Color) = (1,1,1,1)
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_Gloss("Gloss",Range(0,1)) = 20
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_OcclusionMap("OcclusionMap", 2D) = "white" {}
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//////////////////////////// KK //////////////////////////////////////////
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_KKFlowMap("FlowMap", 2D) = "white" {}
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//反射平滑
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_KKSmoot("Reflective Smoothness", Range(0.0, 1.0)) = 0.5
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//反射最大值
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_KKScale("Reflective Gray Scale", Range(0.0, 48.0)) = 5.0
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//主高光颜色
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_KKColorA("Primary Specular Color", Color) = (1.0, 1.0, 1.0)
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//主高光指数（程度）
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_KKScaleA("Primary Exponent", Range(1.0, 192.0)) = 64.0
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//主根位置
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_KKShiftA("Primary Root Shift", Range(-20.0, 20.0)) = 0.275
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//次高光颜色
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_KKColorB("Secondary Specular Color", Color) = (1.0, 1.0, 1.0)
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//次高光指数
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_KKScaleB("Secondary Exponent", Range(1.0, 192.0)) = 48.0
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//次根位置
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_KKShiftB("Secondary Root Shift", Range(-1.0, 1.0)) = -0.040
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//直接因素
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_KKA("Spec Mix Direct Factors", Vector) = (0.15, 0.10, 0.05, 0)
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//间接因素
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_KKB("Spec Mix Indirect Factors", Vector) = (0.75, 0.60, 0.15, 0)
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}
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SubShader{
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Tags{ "Queue" = "AlphaTest" "IgnoreProjector" = "True" "RenderType" = "TransparentCutout" }
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//Lighting off
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// Render both front and back facing polygons.
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Cull Off
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///////////////////////////////////////////////////////////////////////////
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////render any pixels that are more than [_Cutoff] opaque//////////////////
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////////////渲染超过[_cutoff]的不透明像素 //////////////////////
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///////////////////////////////////////////////////////////////////////////
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Pass{
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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#include "UnityShaderVariables.cginc"
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#include "UnityStandardConfig.cginc"
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#include "UnityPBSLighting.cginc" // TBD: remove
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#include "UnityStandardUtils.cginc"
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#include "Lighting.cginc"
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#include "UnityStandardBRDF.cginc"
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#include "AutoLight.cginc"
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UnityIndirect ZeroIndirect()
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{
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UnityIndirect ind;
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ind.diffuse = 0;
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ind.specular = 0;
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return ind;
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}
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half3 WorldNormal(half4 tan2world[3])
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{
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return normalize(tan2world[2].xyz);
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}
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sampler2D _Texture1;
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sampler2D _Texture2;
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float4 _Texture1_ST;
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float4 _Texture2_ST;
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float _Cutoff;
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float _Blend = 0;
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float4 _Color;
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sampler2D _Normal;
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float _NormalScale;
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float4 _Normal_ST;
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float4 _SpecularColor;
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float _Gloss;
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sampler2D _SpecGlossMap;
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sampler2D _OcclusionMap;
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///////////////////////////// kk /////////////////////////////////////////
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sampler2D _KKFlowMap;
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half _KKSmoot;
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half _KKScale;
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half4 _KKColorA;
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half _KKScaleA;
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half _KKShiftA;
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half _KKPrimaryRootShift;
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half4 _KKColorB;
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half _KKScaleB;
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half _KKShiftB;
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half3 _KKA;
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half3 _KKB;
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struct appdata_t {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float3 normal :NORMAL;
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float4 tangent:TANGENT;
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};
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struct v2f {
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float4 vertex :POSITION;
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//float4 pos:SV_POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float4 uv:TEXCOORD3;
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float3 worldNormal:TEXCOORD1;
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float3 worldPos:TEXCOORD2;
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float3 lightDir:TEXCOORD4;
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float3 viewDir:TEXCOORD5;
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half4 tangentToWorldAndParallax[3] : TEXCOORD6; // [3x3:tangentToWorld | 1x3:viewDirForParallax]
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};
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v2f vert(appdata_t v)
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{
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v2f o;
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UNITY_INITIALIZE_OUTPUT(v2f, o);
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.uv.xy = v.texcoord.xy*_Texture1_ST.xy + _Texture1_ST.zw;
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o.uv.zw = v.texcoord.xy* _Normal_ST.xy + _Normal_ST.zw;
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TANGENT_SPACE_ROTATION;
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o.lightDir = mul(rotation,ObjSpaceLightDir(v.vertex)).xyz;
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o.viewDir = mul(rotation,ObjSpaceViewDir(v.vertex)).xyz;
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord, _Texture1);
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o.worldNormal = UnityObjectToWorldNormal(v.normal);
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o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
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//half3 normalWorld = NormalizePerPixelNormal(mul(NormalInTangentSpace(i_texcoord), i_tanToWorld));
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float3 normalWorld = UnityObjectToWorldNormal(v.normal);
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float4 tangentWorld = float4(UnityObjectToWorldDir(v.tangent.xyz), v.tangent.w);
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float3x3 tangentToWorld = CreateTangentToWorldPerVertex(normalWorld, tangentWorld.xyz, tangentWorld.w);
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o.tangentToWorldAndParallax[0].xyz = tangentToWorld[0];
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o.tangentToWorldAndParallax[1].xyz = tangentToWorld[1];
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o.tangentToWorldAndParallax[2].xyz = (1 - tangentToWorld[2]);
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return o;
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}
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half4 frag(v2f i) : SV_Target //COLOR
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{
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fixed4 Tex1 = tex2D(_Texture1, i.texcoord);
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fixed4 Tex2 = tex2D(_Texture2, i.texcoord);
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//【法线】
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fixed3 tangenLightDir = normalize(i.lightDir);
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fixed3 tangenViewDir = normalize(i.viewDir);
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fixed4 packedNormal = tex2D(_Normal, i.uv.zw);
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fixed3 tangentNormal;
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tangentNormal = UnpackNormal(packedNormal);
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tangentNormal.xy *= _NormalScale;
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tangentNormal.z = sqrt(1.0 - saturate(dot(tangentNormal.xy, tangentNormal.xy)));
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fixed3 worldLightDir = normalize(UnityWorldSpaceLightDir(i.worldPos));
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fixed3 NdotL = max(0, dot(tangentNormal, tangenLightDir));
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half nl = dot(tangentNormal, tangenLightDir);
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fixed3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldNormal));
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fixed3 halfDir = normalize(tangenLightDir + tangenViewDir);
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fixed3 NdotH = max(0, dot(tangentNormal, halfDir));
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half nh = BlinnTerm(tangentNormal, halfDir);
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fixed4 col = lerp(Tex1, Tex2, _Blend);
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clip(col.a - _Cutoff);
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fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.xyz*col.rgb;
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fixed3 diffuse = _LightColor0.rgb*col.rgb*_Color* NdotL;
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half4 specGloss = tex2D(_SpecGlossMap, i.uv.xy);
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half roughness = 1 - specGloss.a;
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half sp = RoughnessToSpecPower(roughness);
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half specularTerm = pow(nh, sp);
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///////////////////////tanDir////////////////////
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half3 tangentToWorldMatrix = (i.tangentToWorldAndParallax[0].xyz, i.tangentToWorldAndParallax[1].xyz, i.tangentToWorldAndParallax[2].xyz);
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half3 tanFlow = tex2D(_KKFlowMap, i.uv.zw).xyz * 3;
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half3 worldTangent = mul(tangentToWorldMatrix, tanFlow);
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half3 normalWorldVertex = WorldNormal(i.tangentToWorldAndParallax);
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half3 tanDir = normalize(worldTangent + normalWorldVertex.xyz * _KKShiftA);
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half3 tanDir2 = normalize(worldTangent + normalWorldVertex.xyz * _KKShiftB);
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half th1 = dot(tanDir, halfDir);
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half th2 = dot(tanDir2, halfDir);
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UNITY_LIGHT_ATTENUATION(atten, i, i.worldPos);
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half3 kkSTA = pow(sqrt(1.f - th1 * th1), _KKScaleA) * _KKColorA.rgb*_LightColor0.rgb;
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half3 kkSTB = pow(sqrt(1.f - th2 * th2), _KKScaleB) * _KKColorB.rgb*_LightColor0.rgb;
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half3 kkSpecTermBlinn = (specularTerm *_SpecularColor.rgb);
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half kkDirectFactor = min(1.f, Luminance(diffuse) + nl * atten);
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_KKA *= kkDirectFactor;
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half3 kkSpecTermDirect = kkSTA * _KKA.x + kkSTB * _KKA.y + kkSpecTermBlinn * _KKA.z *_LightColor0.rgb;
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half3 kkSpecTermIndirect = kkSTA * _KKB.x + kkSTB * _KKB.y + kkSpecTermBlinn * _KKB.z *_LightColor0.rgb;
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half occlusion = tex2D(_OcclusionMap, i.uv).g;
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//UnityIndirect indirect = ZeroIndirect();
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half3 color = half3(0.f, 0.f, 0.f);
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color = diffuse.rgb* (diffuse.rgb + _LightColor0.rgb* nl) + color + (kkSpecTermIndirect + kkSpecTermDirect) *occlusion;
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//color = diffuse.rgb+ color + (kkSpecTermIndirect + kkSpecTermDirect);// *occlusion;
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col.rgb = color + ambient + diffuse;
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return col;
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}
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ENDCG
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}
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///////////////////////////////////////////////////////////////////////////
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///////////// 阴影 de Pass //////////////////////
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///////////////////////////////////////////////////////////////////////////
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Pass{
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Tags{ "LightMode" = "ShadowCaster" }
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ZWrite On ZTest LEqual
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CGPROGRAM
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#pragma target 3.0
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#pragma only_renderers d3d11 d3d9 opengl glcore
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#define UNITY_BRDF_PBS BRDF1_Unity_PBS_KK
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#pragma multi_compile _ _ALPHATEST_ON _ALPHABLEND_ON
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#pragma multi_compile_shadowcaster
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityStandardShadow.cginc"
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struct appdata_t {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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struct v2f {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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};
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sampler2D _Texture1;
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sampler2D _Texture2;
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float4 _Texture1_ST;
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float4 _Texture2_ST;
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//float _Cutoff;
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float _Blend;
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v2f vert(appdata_t v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord, _Texture1);
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return o;
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}
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//float4 _Color;
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half4 frag(v2f i) : COLOR
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{
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half4 col = lerp(tex2D(_Texture1, i.texcoord),tex2D(_Texture2, i.texcoord), _Blend);
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clip(col.a - _Cutoff);
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return col;
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}
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ENDCG
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}
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///////////////////////////////////////////////////////////////////////////
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////// render the semitransparent details.渲染半透明的细节 ////////////
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///////////////////////////////////////////////////////////////////////////
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Pass{
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Tags{ "RequireOption" = "SoftVegetation" }
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// Dont write to the depth buffer
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ZWrite off
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// Set up alpha blending
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Blend SrcAlpha OneMinusSrcAlpha
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CGPROGRAM
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#pragma vertex vert
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#pragma fragment frag
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#include "UnityCG.cginc"
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#include "UnityShaderVariables.cginc"
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#include "UnityStandardConfig.cginc"
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#include "UnityPBSLighting.cginc" // TBD: remove
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#include "UnityStandardUtils.cginc"
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#include "Lighting.cginc"
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#include "UnityStandardBRDF.cginc"
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#include "AutoLight.cginc"
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UnityIndirect ZeroIndirect()
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{
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UnityIndirect ind;
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ind.diffuse = 0;
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ind.specular = 0;
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return ind;
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}
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half3 WorldNormal(half4 tan2world[3])
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{
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return normalize(tan2world[2].xyz);
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}
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sampler2D _Texture1;
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sampler2D _Texture2;
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float4 _Texture1_ST;
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float4 _Texture2_ST;
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float _Cutoff;
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float _Blend;
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float4 _Color;
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sampler2D _Normal;
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float _NormalScale;
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float4 _Normal_ST;
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float4 _SpecularColor;
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float _Gloss;
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sampler2D _SpecGlossMap;
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sampler2D _OcclusionMap;
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sampler2D _KKFlowMap;
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half _KKSmoot;
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half _KKScale;
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half4 _KKColorA;
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half _KKScaleA;
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half _KKShiftA;
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half _KKPrimaryRootShift;
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half4 _KKColorB;
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half _KKScaleB;
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half _KKShiftB;
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half3 _KKA;
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half3 _KKB;
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struct appdata_t {
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float4 vertex : POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float3 normal :NORMAL;
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float4 tangent:TANGENT;
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};
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struct v2f {
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float4 vertex :POSITION;
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//float4 pos:SV_POSITION;
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float4 color : COLOR;
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float2 texcoord : TEXCOORD0;
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float4 uv:TEXCOORD3;
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float3 worldNormal:TEXCOORD1;
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float3 worldPos:TEXCOORD2;
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float3 lightDir:TEXCOORD4;
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float3 viewDir:TEXCOORD5;
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half4 tangentToWorldAndParallax[3] : TEXCOORD6;
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};
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v2f vert(appdata_t v)
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{
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v2f o;
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o.vertex = UnityObjectToClipPos(v.vertex);
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//o.vertex = UnityObjectToClipPos(UNITY_MATRIX_MVP,v.vertex);
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o.uv.xy = v.texcoord.xy*_Texture1_ST.xy + _Texture1_ST.zw;
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o.uv.zw = v.texcoord.xy* _Normal_ST.xy + _Normal_ST.zw;
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TANGENT_SPACE_ROTATION;
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o.lightDir = mul(rotation, ObjSpaceLightDir(v.vertex)).xyz;
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o.viewDir = mul(rotation, ObjSpaceViewDir(v.vertex)).xyz;
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o.color = v.color;
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o.texcoord = TRANSFORM_TEX(v.texcoord, _Texture1);
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//o.pos = mul(UNITY_MATRIX_MVP, v.vertex);
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o.worldNormal = UnityObjectToWorldNormal(v.normal);
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o.worldPos = mul(unity_ObjectToWorld, v.vertex).xyz;
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//o.uv.xy = v.texcoord.xy*_Texture1_ST.xy + _Texture1_ST.zw;
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float3 normalWorld = UnityObjectToWorldNormal(v.normal);
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float4 tangentWorld = float4(UnityObjectToWorldDir(v.tangent.xyz), v.tangent.w);
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float3x3 tangentToWorld = CreateTangentToWorldPerVertex(normalWorld, tangentWorld.xyz, tangentWorld.w);
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o.tangentToWorldAndParallax[0].xyz = tangentToWorld[0];
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o.tangentToWorldAndParallax[1].xyz = tangentToWorld[1];
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o.tangentToWorldAndParallax[2].xyz = (1 - tangentToWorld[2]);
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return o;
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}
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half4 frag(v2f i) : COLOR
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{
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/* half4 col = lerp(tex2D(_Texture1, i.texcoord),tex2D(_Texture2, i.texcoord), _Blend)*_Color;
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clip(-(col.a - _Cutoff));*/
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fixed4 Tex1 = tex2D(_Texture1, i.texcoord);
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fixed4 Tex2 = tex2D(_Texture2, i.texcoord);
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//【法线】
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fixed3 tangenLightDir = normalize(i.lightDir);
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fixed3 tangenViewDir = normalize(i.viewDir);
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fixed4 packedNormal = tex2D(_Normal, i.uv.zw);
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fixed3 tangentNormal;
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tangentNormal = UnpackNormal(packedNormal);
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tangentNormal.xy *= _NormalScale;
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tangentNormal.z = sqrt(1.0 - saturate(dot(tangentNormal.xy, tangentNormal.xy)));
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fixed3 worldLightDir = normalize(UnityWorldSpaceLightDir(i.worldPos));
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fixed3 NdotL = max(0, dot(tangentNormal, tangenLightDir));
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half nl = dot(tangentNormal, tangenLightDir);
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fixed3 viewDir = normalize(UnityWorldSpaceViewDir(i.worldNormal));
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fixed3 halfDir = normalize(tangenLightDir + tangenViewDir);
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fixed3 NdotH = max(0, dot(tangentNormal, halfDir));
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half nh = BlinnTerm(tangentNormal, halfDir);
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half4 col = lerp(tex2D(_Texture1, i.texcoord), tex2D(_Texture2, i.texcoord), _Blend)*_Color;
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clip(-(col.a - _Cutoff));
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fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.xyz*col.rgb;
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fixed3 diffuse = _LightColor0.rgb*col.rgb*_Color* NdotL;
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half4 specGloss = tex2D(_SpecGlossMap, i.uv.xy);
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half roughness = 1 - specGloss.a;
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half sp = RoughnessToSpecPower(roughness);
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half specularTerm = pow(nh, sp);
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///////////////////////tanDir////////////////////
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half3 tangentToWorldMatrix = (i.tangentToWorldAndParallax[0].xyz, i.tangentToWorldAndParallax[1].xyz, i.tangentToWorldAndParallax[2].xyz);
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half3 tanFlow = tex2D(_KKFlowMap, i.uv.zw).xyz * 3;
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half3 worldTangent = mul(tangentToWorldMatrix, tanFlow);
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half3 normalWorldVertex = WorldNormal(i.tangentToWorldAndParallax);
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half3 tanDir = normalize(worldTangent + normalWorldVertex.xyz * _KKShiftA);
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half3 tanDir2 = normalize(worldTangent + normalWorldVertex.xyz * _KKShiftB);
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half th1 = dot(tanDir, halfDir);
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half th2 = dot(tanDir2, halfDir);
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UNITY_LIGHT_ATTENUATION(atten, i, i.worldPos);
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half3 kkSTA = pow(sqrt(1.f - th1 * th1), _KKScaleA) * _KKColorA.rgb*_LightColor0.rgb;
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half3 kkSTB = pow(sqrt(1.f - th2 * th2), _KKScaleB) * _KKColorB.rgb*_LightColor0.rgb;
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half3 kkSpecTermBlinn = specularTerm * _SpecularColor;
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half kkDirectFactor = min(1.f, Luminance(diffuse) + nl * atten);
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_KKA *= kkDirectFactor;
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half3 kkSpecTermDirect = kkSTA * _KKA.x + kkSTB * _KKA.y + kkSpecTermBlinn * _KKA.z *_LightColor0.rgb;
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half3 kkSpecTermIndirect = kkSTA * _KKB.x + kkSTB * _KKB.y + kkSpecTermBlinn * _KKB.z *_LightColor0.rgb;
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half occlusion = tex2D(_OcclusionMap, i.uv).g;
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UnityIndirect indirect = ZeroIndirect();
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half3 color = half3(0.f, 0.f, 0.f);
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color = diffuse.rgb* (indirect.diffuse + _LightColor0.rgb* nl) + color + (kkSpecTermIndirect + kkSpecTermDirect) *occlusion;
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col.rgb = color + ambient + diffuse;
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return col;
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|
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}
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ENDCG
|
|
}
|
|
}
|
|
}
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