我的庄懂12课透明剪切投影修正出问题 麻烦看一下找下问题
//Shader路径名
Shader "AP01/L12/OgreMagi_Code" {
//材质面板参数
Properties {
[header(Texture)]
_Maintex ("RGB:颜色 A:透贴",2d) = "white"{}
_MaskTex ("R:高光强度 G:边缘光强度 B:高光染色 A:高光次幂",2d) = "balck"{}
_NormalTex ("RGB:法线贴图",2d) = "bump"{}
_MetalnessMask ("金属度遮罩",2d) = "black"{}
_EmissionMask ("自发光遮罩",2d) = "black"{}
_DiffWarpTex ("颜色Warp图",2d) = "gray"{}
_FresWarpTex ("菲涅尔Warp图",2d) = "gray"{}
_Cubemap ("环境球",cube) = "_Skybox"{}
[header(LightDiff)]
_LightCol ("光颜色",Color) = (1,1,1,1)
[header(LightSpec)]
_SpecPow ("高光次幂",Range(0,30.0)) = 5
_SpecInt ("高光强度",Range(0,10.0)) = 5
[header(EnvDiff)]
_EnvCol ("环境光颜色",Color) = (1,1,1,1)
[header(EnvSpec)]
_EnvSpecInt ("环境镜面反射强度",Range(0,10)) = 0.5
[header(Rim)]
[hdr] _RimCol ("轮廓光颜色",Color) = (1,1,1,1)
[header(Emit)]
_EmitInt ("自发光强度",Range(0,10)) = 1
[HideInInspector]
_Cutoff ("Alpha cutoff", Range(0,1)) = 0.5
[HideInInspector]
_Color ("Main Color", Color) = (1.0, 1.0, 1.0, 1.0)
}
SubShader {
Tags {
"RenderType"="Opaque"
}
Pass {
Name "FORWARD"
Tags {
"LightMode"="ForwardBase"
}
Cull Off
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
#include "Lighting.cginc"
#include "AutoLight.cginc"
#pragma multi_compile_fwdbase_fullshadows
#pragma target 3.0
//输入参数
uniform sampler2D _Maintex;
uniform sampler2D _MaskTex;
uniform sampler2D _NormalTex;
uniform sampler2D _MetalnessMask;
uniform sampler2D _EmissionMask;
uniform sampler2D _DiffWarpTex;
uniform sampler2D _FresWarpTex;
uniform samplerCUBE _Cubemap;
uniform half3 _LightCol;
uniform half _SpecPow;
uniform half _SpecInt;
uniform half3 _EnvCol;
uniform half _EnvSpecInt;
uniform half3 _RimCol;
uniform half _EmitInt;
uniform half _Cutoff;
//输入结构
struct VertexInput {
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
float3 normal : NORMAL;
float4 tangent : TANGENT;
};
//输出结构
struct VertexOutput {
float4 pos : SV_POSITION;
float3 posWS : TEXCOORD0;
float2 uv : TEXCOORD1;
float3 nDirWS : TEXCOORD2;
float3 tDirWS : TEXCOORD3;
float3 bDirWS : TEXCOORD4;
LIGHTING_COORDS(5,6)
};
//顶点Shader
VertexOutput vert (VertexInput v) {
VertexOutput o = (VertexOutput)0;
o.pos = UnityObjectToClipPos( v.vertex );
o.posWS = mul(unity_ObjectToWorld,v.vertex).xyz;
o.uv = v.uv;
o.nDirWS = normalize(UnityObjectToWorldNormal(v.normal));
o.tDirWS = normalize(mul(unity_ObjectToWorld,float4(v.tangent.xyz,0)));
o.bDirWS = normalize(cross(o.nDirWS,o.tDirWS) * v.tangent.w);
TRANSFER_VERTEX_TO_FRAGMENT(o)
return o;
}
//像素Shader
float4 frag(VertexOutput i) : COLOR {
//准备向量
half3 nDirTS = UnpackNormal(tex2D(_NormalTex,i.uv));
half3x3 TBN = half3x3(i.tDirWS,i.bDirWS,i.nDirWS);
half3 nDirWS = normalize(mul(nDirTS,TBN));
half3 vDirWS = normalize(_WorldSpaceCameraPos.xyz - i.posWS);
half3 vrDirWS = normalize(reflect(-vDirWS,nDirWS));
half3 lDirWS = normalize(_WorldSpaceLightPos0.xyz);
half3 lrDirWS = normalize(reflect(-lDirWS,nDirWS));
//中间向量
half3 nDotl = dot(nDirWS,lDirWS);
half3 nDotv = dot(nDirWS,vDirWS);
half3 vDotlr = dot(vDirWS,lrDirWS);
//纹理采样
half4 var_Maintex = tex2D(_Maintex,i.uv);
half4 var_MaskTex = tex2D(_MaskTex,i.uv);
half var_MetalnessMask = tex2D(_MetalnessMask,i.uv).r;
half var_EmissionMask = tex2D(_EmissionMask,i.uv).r;
half3 var_FresWarpTex = tex2D(_FresWarpTex,nDotv).rgb;
half3 var_Cubemap = texCUBElod(_Cubemap,float4(vrDirWS,lerp(8.0,0.0,var_MaskTex.a)));
//提取信息
half3 baseCol = var_Maintex.rgb;
half opacity = var_Maintex.a;
half specInt = var_MaskTex.r;
half rimInt = var_MaskTex.g;
half soecTint = var_MaskTex.b;
half specPow = var_MaskTex.a;
half metallic = var_MetalnessMask;
half emitInt = var_EmissionMask;
half3 envCube = var_Cubemap;
half shadow = LIGHT_ATTENUATION(i);
//光照模型
//漫反射颜色
half3 diffCol = lerp(baseCol,float3(0.0,0.0,0.0),metallic);
//镜面反射颜色
half3 specCol = lerp(baseCol,float3(0.3,0.3,0.3),soecTint)* specInt;
//菲涅尔
half3 fresnel = lerp(var_FresWarpTex,0,metallic);
half fresnelCol = var_FresWarpTex.r;
half fresnelRim = var_FresWarpTex.g;
half fresnelSpec = var_FresWarpTex.b;
//漫反射光源
half halflambert = nDotl * 0.5 + 0.5;
half3 var_DiffWarpTex = tex2D(_DiffWarpTex,half2 (halflambert,0.2));
half3 lightDiff = diffCol * var_DiffWarpTex * _LightCol;
//镜面反射光源
half phong = pow(max(0,vDotlr),specPow * _SpecPow);
half spec = phong * max(0,nDotl);
spec = max(spec,fresnelSpec);
spec = spec * _SpecInt;
half3 lightSpec = specCol * spec * _LightCol;
//漫反射环境
half3 envDiff = diffCol * _EnvCol;
//镜面反射环境
half reflectInt = max(fresnelSpec,metallic) * specInt;
half3 envSpec = specCol * reflectInt * envCube * _EnvSpecInt;
//轮廓光
half3 rimLight = _RimCol * fresnelRim * rimInt * max(0.0,nDirWS.g);
//自发光
half3 emission = diffCol * emitInt *_EmitInt;
//混合
half3 finalRGB = (lightDiff + lightSpec) * shadow + (envDiff + envSpec) + rimLight + emission;
//透明剪切
clip(opacity - _Cutoff);
//返回值
return float4(finalRGB,1.0);
}
ENDCG
}
}
FallBack "Legacy Shaders/Transparent/Cutout/VertexLit"
}
