shader
1.shader1.0的Alpha测试
Shader "hidden/AlphaTestShader1.0"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_AlphaTest("Alpha值",float) = 0
}
SubShader
{
AlphaTest Greater [_AlphaTest]
Pass
{
SetTexture[_MainTex]
{
combine texture
}
}
}
}
2.Shader2.0
2.1 轮廓自发光
两个Pass，一个渲染原本的贴图，一个渲染颜色，将顶点的xy方向扩大。
Shader "Custom/OutLine2.0"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_Testcolor("轮廓自发光颜色",Color)=(1,1,1,1)
_Width("轮廓宽度",Float)=1.1
}
SubShader
{
// No culling or depth
//Cull Off ZWrite Off ZTest Always//后期屏蔽的
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct APPdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
float _Width;/*****************************/
v2f vert (appdata v)
{
v2f o;
v.vertex.xy *= _Width;/*********************/
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
vector _TestColor;/************************/
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
// just invert the colors
//col.rgb = 1 - col.rgb;
return fixed4(_TestColor);/*********************/
//return col;
}
ENDCG
}
Pass
{
ZTest Always
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert(appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
fixed4 frag(v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
// just invert the colors
//col.rgb = 1 - col.rgb;//后期屏蔽的
return col;
}
ENDCG
}
}
}
2.2 Alpha测试
Shader "Hidden/AlphaTestShader2.0"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_AlphaValue("Alpha值",float)=0
}
SubShader
{
// No culling or depth
//Cull Off ZWrite Off ZTest Always
Blend SrcAlpha OneMinusSrcAlpha//打开alpha通道
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
float _AlphaValue;
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
if (col.a < _AlphaValue)
{
return fixed4(0, 0, 0, 0);
}
else
{
return col;
}
}
ENDCG
}
}
}
3.Shader2.0 的UV动画
3.1 UV滚动（流动）
Shader "Custom/River"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_SpeedY("Y向流动速度",Range(0,10))=1.0
_SpeedX("X向流动速度",Range(0,20)) = 0
}
SubShader
{
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
float _SpeedY;/*增***********************/
float _SpeedX;/*增***********************/
fixed4 frag (v2f i) : SV_Target
{
float2 tempUV = i.uv;/*增***********************/
tempUV.x += _Time.x*_SpeedX;/*增***********************/
tempUV.y += _Time.y*_SpeedY;/*增***********************/
fixed4 col = tex2D(_MainTex, tempUV);/*改***********************/
return col;
}
ENDCG
}
}
}
3.2 UV波动（wave）
Shader "Custom/Wave"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_Arange("波动幅度",float) = 1
_Frenquncy("波动频率",float)=0.5
_Speed("波动速度", float) = 0.5
}
SubShader
{
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
float _Arange;/*增******************************/
float _Frenquncy;/*增******************************/
float _Speed;/*增******************************/
v2f vert(appdata v)
{
v2f o;
float timer = _Time.y*_Speed;/*增******************************/
float waver = _Arange * sin(timer + v.vertex.x*_Frenquncy);/*增******************************/
v.vertex.y = v.vertex.y + waver;/*增******************************/
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
fixed4 frag (v2f i) : SV_Target
{
fixed4 col = tex2D(_MainTex, i.uv);
// just invert the colors
//col.rgb = 1 - col.rgb;
return col;
}
ENDCG
}
}
}
3.3 UV旋转（Loading）
Shader "Custom/Loading_Icon"
{
Properties
{
_MainTex ("Texture", 2D) = "white" {}
_RotateSpeed("旋转速度",float) = 15.0
}
SubShader
{
// No culling or depth
//Cull Off ZWrite Off ZTest Always
Blend SrcAlpha OneMinusSrcAlpha//打开Alpha通道
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;/**增******************************/
float _RotateSpeed;/**增******************************/
fixed4 frag (v2f i) : SV_Target
{
/**增******************************/
float2 tempUV = i.uv;
tempUV -= float2(0.5, 0.5);//1.平移到原点
if (length(tempUV) > 0.5)//防止对角线多余的长度显示
{
return fixed4(0, 0, 0, 0);
}
/*2.绕z轴旋转******************************/
float2 finalUV = 0;
float angle = _Time.x*_RotateSpeed;
finalUV.x = tempUV.x*cos(angle) - tempUV.y*sin(angle);
finalUV.y = tempUV.x*sin(angle) + tempUV.y*cos(angle);
finalUV += float2(0.5, 0.5);//3.将贴图平移回原位置
/**增******************************/
fixed4 col = tex2D(_MainTex, finalUV);/**改******************************/
return col;
}
ENDCG
}
}
}
3.4 屏幕高斯效果
3.4.1 Shader
Shader "Custom/MyShader"
{
Properties
{
_MainTex ("贴图", 2D) = "white" {}
_Amnient("高斯模糊程度",Float) = 0.001
}
SubShader
{
// No culling or depth
//Cull Off ZWrite Off ZTest Always
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct appdata
{
float4 vertex : POSITION;
float2 uv : TEXCOORD0;
};
struct v2f
{
float2 uv : TEXCOORD0;
float4 vertex : SV_POSITION;
};
v2f vert (appdata v)
{
v2f o;
o.vertex = UnityObjectToClipPos(v.vertex);
o.uv = v.uv;
return o;
}
sampler2D _MainTex;
float _Amnient;
fixed4 frag (v2f i) : SV_Target
{
float2 tempUV = i.uv;/*增**********************/
float ambient = _Amnient;/*增**********************/
fixed4 col = tex2D(_MainTex, tempUV);/*改**********************/
// just invert the colors
//col.rgb = 1 - col.rgb;
fixed4 col2 = tex2D(_MainTex, tempUV + float2(-ambient, 0));/*增**********************/
fixed4 col3 = tex2D(_MainTex, tempUV + float2(0,-ambient));/*增**********************/
fixed4 col4 = tex2D(_MainTex, tempUV + float2(ambient, 0));/*增**********************/
fixed4 col5 = tex2D(_MainTex, tempUV + float2(0,ambient));/*增**********************/
col = (col + col2 + col3 + col4 + col5) / 5.0;/*增**********************/
return col;
}
ENDCG
}
}
}
3.4.2 C#
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
/// <summary>
/// 需要挂载到相机上
/// </summary>
public class CameraMove : MonoBehaviour {
// Use this for initialization
//public Shader myShader;
public Material material;
void Start () {
//material = new Material(myShader);
}
// Update is called once per frame
void Update () {
}
/// <summary>
///
/// </summary>
/// <param name="source">拦截到相机所渲染的图片</param>
/// <param name="destination">更改后返回的图片，重新交给引擎</param>
private void OnRenderImage(RenderTexture source, RenderTexture destination)
{
Graphics.Blit(source, destination, material);
}
}
4. Surface5.0
4.1 UV 滚动
Shader "Custom/Testparameter" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf lambert vertex:MyVertex
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
float3 myColor;
};
fixed4 _Color;
void MyVertex(inout appdata_base v,out Input o)
{
UNITY_INITIALIZE_OUTPUT(Input, o);
o.myColor = _Color.rgb*abs(v.normal);
}
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex);
o.Albedo = c.rgb*IN.myColor;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
4.2 高光
Shader "Custom/CustomLighting" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_SpeclPower("高光强度",float) = 1
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Simple
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
fixed4 _Color;
UNITY_INSTANCING_BUFFER_START(Props)
// put more per-instance properties here
UNITY_INSTANCING_BUFFER_END(Props)
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
o.Albedo = c.rgb;
o.Alpha = c.a;
}
float _SpeclPower;
///自定义的灯光入口函数
half4 LightingSimple(SurfaceOutput s, half3 lightDir, half3 viewDir, half atten)
{
float NDotL = dot(lightDir, s.Normal);
half4 result = 0;
//result.rgb = s.Albedo* _LightColor0*NDotL*atten;//漫反射
half3 H = viewDir - lightDir;
float HDotN = dot(H, s.Normal);
result.rgb = s.Albedo* _LightColor0*NDotL*atten+HDotN* s.Albedo* _LightColor0*_SpeclPower;
result.a = s.Alpha;
return result;
}
ENDCG
}
FallBack "Diffuse"
}
4.3 法线贴图
可以使对比度增强，使凸的地方看起来更凸。
Shader "Custom/NormalMap" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_NormalMap("法线贴图", 2D) = "white" {}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
sampler2D _NormalMap;
struct Input {
float2 uv_MainTex;
float2 uv_NormalMap;
};
fixed4 _Color;
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
o.Normal= unpackNormal(tex2D(_NormalMap, IN.uv_MainTex));
o.Albedo = c.rgb;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
4.4 边缘自发光
Shader "Custom/NormalOutLine" {
Properties {
_Color ("自发光颜色", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_NormalTex("法线贴图", 2D) = "white" {}
_EmisionPower("自发光强度",float) = 1
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
sampler2D _NormalTex;
struct Input {
float2 uv_MainTex;
float2 uv_NormalTex;
float3 viewDir;
};
fixed4 _Color;
float _EmisionPower;
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex);
o.Albedo = c.rgb;
//读取法线
float3 tempNormal= UnpackNormal(tex2D(_NormalTex, IN.uv_NormalTex));
o.Normal = tempNormal;
//算出法线和视角的点乘
float tempFloat=1- clamp(dot(IN.viewDir, tempNormal),0, 1);//clamp()让取值变到一个范围
o.Emission = _Color *pow(tempFloat,_EmisionPower);
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
4.5 Fog
当需要在某个物体周围呈现雾效，而不是整个场景中呈现雾效，就需要写Shader。
Shader "Custom/TestFog" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_FogStart("雾的起点",float) = 1
_FogEnd("雾的终点",float) = 1
_FogColor("雾的颜色",Color)=(1,1,1,1)
}
SubShader{
Tags { "RenderType" = "Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert vertex:MyVertex finalcolor:FinalColor
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
float fogData;
};
fixed4 _Color;
float _FogStart;
float _FogEnd;
fixed4 _FogColor;
void FinalColor(Input IN,SurfaceOutput o,inout fixed4 color)
{
//color *= float4(1, 0, 0, 1);
color = lerp(_FogColor, color, IN.fogData);
}
void MyVertex(inout appdata_full v, out Input data)
{
UNITY_INITIALIZE_OUTPUT(Input, data);//初始化
float tempZ = _FogEnd - length(UnityObjectToViewPos(v.vertex).xyz);
data.fogData = tempZ/(_FogEnd- _FogStart);
}
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
o.Albedo = c.rgb;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
4.6 菲尼尔反射
Shader "Custom/TestFresnel" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_CubeMap("CubeMap",Cube) = ""{}
_Rate("折射率",float) = 1
_FresnelBias("菲尼尔偏移",float) = 1
_Fresnelscale("菲尼尔缩放系数",float) = 1
_FresnelPower("菲尼尔指数",float) = 0.5
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert vertex:MyVertex
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
samplerCUBE _CubeMap;
struct Input {
float2 uv_MainTex;
float3 worldRefl;//反射
float refract;//折射
float reflectFact;//定义的反射系数
};
fixed4 _Color;
float _Rate;
float _FresnelBias;
float _FresnelScale;
float _FresnelPower;
void MyVertex(inout appdata_full v, out Input data)
{
UNITY_INITIALIZE_OUTPUT(Input, data);//初始化
//右世界变成物体的
float3 localNormal = normalize(mul(v.normal, (float3x3)unity_WorldToObject));
//入射角
float3 viewDir = -WorldSpaceViewDir(v.vertex);
data.refract = refract(viewDir, localNormal, _Rate);
data.reflectFact = _FresnelBias + _FresnelScale * pow(1 + dot(viewDir, localNormal), _FresnelPower);
}
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
//fixed4 cflect = tex2D (_MainTex, IN.worldRefl);//反射
//fixed4 cfract = tex2D(_MainTex, IN.refract);
fixed4 cflect = texCUBE(_CubeMap, IN.worldRefl);//反射
fixed4 cfract = texCUBE(_CubeMap, IN.refract);
o.Albedo = IN.reflectFact*cflect.rgb + (1 - IN.reflectFact)*cfract.rgb;
o.Alpha = cflect.a;
}
ENDCG
}
FallBack "Diffuse"
}
4.7 BRDF
双向反射分布函数(Bidirectional Reflectance Distribution Function，BRDF)用来定义给定入射方向上的辐射照度(irradiance)如何影响给定出射方向上的辐射率(radiance)。更笼统地说，它描述了入射光线经过某个表面反射后如何在各个出射方向上分布--这可以是从理想镜面反射到漫反射、各向同性(isotropic)或者各向异性(anisotropic)的各种反射。
Shader "Custom/TestBRDF" {
Properties {
_SpeColor ("高光颜色", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_SpecPower("高光强度",float)=1
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf BRDFLigthing
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
};
fixed4 _SpeColor;
float _SpecPower;
#define PI 3.1415926
half4 LightingBRDFLigthing(SurfaceOutput s, half3 lightDir, half3 viewDir, half atten)
{
float3 H = normalize(lightDir + viewDir);
float3 N = normalize(s.Normal);
float d = (_SpecPower + 2)*pow(dot(N, H),_SpecPower) / 8.0;
float f = _SpeColor + (1 - _SpeColor)*pow(1 - dot(H, N), 5);
float k = 2 / (sqrt(PI*(_SpecPower + 2)));
float v = 1 / (dot(N, lightDir)*(1 - k) + k)*(dot(N, viewDir)*(1 - k) + k);
float all = d * f*v;
float diff = dot(lightDir, N);
float tempResult = all + (1 - all)*diff;
half4 finalColor = 0;
finalColor.rgb = tempResult * s.Albedo*_LightColor0.rgb;
finalColor.a = s.Alpha;
return finalColor;
}
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex);
o.Albedo = c.rgb;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
5. CubeMap
5.1 真反射
利用CubeMap做真反射；新建一个相机，对准需要反射的内容，新建一个Render Texture，并将此Render Texture赋予反射摄像机的Target Texture；新建一个材质球（标准材质球即可），在贴图通道赋予新建的Render Texture，最后将材质赋予需要有反射性的物体，该物体就会实时反射后一个新建摄像机的内容。但是真反射非常消耗性能。
5.2 假反射
也需要建一个需要反射出的内容的CubeMap,一般需要反射的为天空盒。
Shader "Custom/FalseRelf" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_CubeMap("CubeMap",Cube) = ""{}
_CubePower("CubePower",float) = 1
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
samplerCUBE _CubeMap;
struct Input {
float2 uv_MainTex;
float3 worldRefl;//反射角
};
fixed4 _Color;
float _CubePower;
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
o.Emission= texCUBE(_CubeMap, IN.worldRefl)*_CubePower;
o.Albedo = c.rgb;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
5.3 折射
也需要建一个需要折射看到的内容的CubeMap。
Shader "Custom/Refract" {
Properties {
_Color ("Color", Color) = (1,1,1,1)
_MainTex ("Albedo (RGB)", 2D) = "white" {}
_Rate("折射率",float) = 1
_CubeMap("CubeMap",Cube) = ""{}
}
SubShader {
Tags { "RenderType"="Opaque" }
LOD 200
CGPROGRAM
// Physically based Standard lighting model, and enable shadows on all light types
#pragma surface surf Lambert vertex:MyVertex
// Use shader model 3.0 target, to get nicer looking lighting
#pragma target 3.0
sampler2D _MainTex;
samplerCUBE _CubeMap;
struct Input {
float2 uv_MainTex;
float3 refr;
};
float _Rate;
void MyVertex(inout appdata_full v,out Input data)
{
UNITY_INITIALIZE_OUTPUT(Input, data);//初始化
//右世界变成物体的
float3 localNormal = normalize(mul(v.normal, (float3x3)unity_WorldToObject));
//入射角
float3 viewDir=- WorldSpaceViewDir(v.vertex);
data.refr= refract(viewDir, localNormal, _Rate);
}
fixed4 _Color;
void surf (Input IN, inout SurfaceOutput o) {
// Albedo comes from a texture tinted by color
fixed4 c = tex2D (_MainTex, IN.uv_MainTex) * _Color;
o.Emission= texCUBE(_CubeMap, IN.refr).rgb;
o.Albedo = c.rgb;
o.Alpha = c.a;
}
ENDCG
}
FallBack "Diffuse"
}
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