UnityShader---光照（衰减和阴影））（内置渲染管线）---10

光照衰减：

// Upgrade NOTE: replaced '_LightMatrix0' with 'unity_WorldToLight'Shader "Unlit/15"
{Properties{_Diffuse("Diffuse",Color) = (1,1,1,1)_Specular("Specular",Color) = (1,1,1,1)_Gloss("Gloss",Range(1,256)) = 10}SubShader{Pass{Tags{"LightMode" = "ForwardBase"}CGPROGRAM#pragma vertex vert#pragma fragment frag//添加#pragma multi_compile_fwdbase#include "UnityCG.cginc"#include "Lighting.cginc"fixed4 _Diffuse;fixed4 _Specular;float _Gloss;struct a2v{float4 vertex:POSITION;float3 normal:NORMAL;};struct v2f{float4 pos:SV_POSITION;float3 worldNormal:TEXCOORD0;float3 worldPos:TEXCOORD1;};v2f vert(a2v v){v2f o;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal = UnityObjectToWorldNormal(v.normal);o.worldPos = mul(unity_ObjectToWorld,v.vertex);return o;}fixed4 frag(v2f i) :SV_Target{fixed3 worldNormal = normalize(i.worldNormal);fixed3 worldLight = normalize(UnityWorldSpaceLightDir(i.worldPos));fixed3 worldView = normalize(UnityWorldSpaceViewDir(i.worldPos));fixed3 halfDir = normalize(worldLight + worldView);fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.rgb;fixed3 diffuse = _LightColor0.rgb * _Diffuse.rgb * saturate(dot(worldNormal,worldLight));//Blinn-Phong高光公式:光顔色 * 高光反射顔色 * pow(saturate(dot(法线,半角方向)),高光系数)fixed3 specular = _LightColor0.rgb * _Specular.rgb * pow(saturate(dot(worldNormal,halfDir)),_Gloss);fixed atten = 1;return fixed4((ambient + diffuse + specular) * atten,1.0);}ENDCG}Pass{Tags{"LightMode" = "ForwardAdd"}//设置混合模式Blend One OneCGPROGRAM#pragma vertex vert#pragma fragment frag//添加#pragma multi_compile_fwdadd#include "UnityCG.cginc"#include "Lighting.cginc"#include "AutoLight.cginc"fixed4 _Diffuse;fixed4 _Specular;float _Gloss;struct a2v{float4 vertex:POSITION;float3 normal:NORMAL;};struct v2f{float4 pos:SV_POSITION;float3 worldNormal:TEXCOORD0;float3 worldPos:TEXCOORD1;};v2f vert(a2v v){v2f o;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal = UnityObjectToWorldNormal(v.normal);o.worldPos = mul(unity_ObjectToWorld,v.vertex);return o;}fixed4 frag(v2f i) :SV_Target{fixed3 worldNormal = normalize(i.worldNormal);fixed3 worldLight = normalize(UnityWorldSpaceLightDir(i.worldPos));fixed3 worldView = normalize(UnityWorldSpaceViewDir(i.worldPos));fixed3 halfDir = normalize(worldLight + worldView);               fixed3 diffuse = _LightColor0.rgb * _Diffuse.rgb * saturate(dot(worldNormal,worldLight));//Blinn-Phong高光公式:光顔色 * 高光反射顔色 * pow(saturate(dot(法线,半角方向)),高光系数)fixed3 specular = _LightColor0.rgb * _Specular.rgb * pow(saturate(dot(worldNormal,halfDir)),_Gloss);#ifdef USING_DIRECTIONAL_LIGHTfixed atten = 1;
#elsefloat3 lightCoord = mul(unity_WorldToLight, float4(i.worldPos, 1)).xyz;fixed atten = tex2D(_LightTexture0,dot(lightCoord,lightCoord).rr).UNITY_ATTEN_CHANNEL;
#endifreturn fixed4((diffuse + specular) * atten,1.0);}ENDCG}}Fallback "Specular"
}

光照阴影：

// Upgrade NOTE: replaced '_LightMatrix0' with 'unity_WorldToLight'Shader "Unlit/16"
{Properties{_Diffuse("Diffuse",Color) = (1,1,1,1)_Specular("Specular",Color) = (1,1,1,1)_Gloss("Gloss",Range(1,256)) = 10}SubShader{Pass{Tags{"LightMode" = "ForwardBase"}CGPROGRAM#pragma vertex vert#pragma fragment frag//添加#pragma multi_compile_fwdbase#include "UnityCG.cginc"#include "Lighting.cginc"#include "AutoLight.cginc"fixed4 _Diffuse;fixed4 _Specular;float _Gloss;struct a2v{float4 vertex:POSITION;float3 normal:NORMAL;};struct v2f{float4 pos:SV_POSITION;float3 worldNormal:TEXCOORD0;float3 worldPos:TEXCOORD1;SHADOW_COORDS(2)};v2f vert(a2v v){v2f o;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal = UnityObjectToWorldNormal(v.normal);o.worldPos = mul(unity_ObjectToWorld,v.vertex);TRANSFER_SHADOW(o);return o;}fixed4 frag(v2f i) :SV_Target{fixed3 worldNormal = normalize(i.worldNormal);fixed3 worldLight = normalize(UnityWorldSpaceLightDir(i.worldPos));fixed3 worldView = normalize(UnityWorldSpaceViewDir(i.worldPos));fixed3 halfDir = normalize(worldLight + worldView);fixed3 ambient = UNITY_LIGHTMODEL_AMBIENT.rgb;fixed3 diffuse = _LightColor0.rgb * _Diffuse.rgb * saturate(dot(worldNormal,worldLight));//Blinn-Phong高光公式:光顔色 * 高光反射顔色 * pow(saturate(dot(法线,半角方向)),高光系数)fixed3 specular = _LightColor0.rgb * _Specular.rgb * pow(saturate(dot(worldNormal,halfDir)),_Gloss);//fixed atten = 1;//fixed shadow = SHADOW_ATTENUATION(i);//统一计算衰减和阴影UNITY_LIGHT_ATTENUATION(atten,i,i.worldPos);return fixed4((ambient + diffuse + specular) * atten,1.0);}ENDCG}Pass{Tags{"LightMode" = "ForwardAdd"}//设置混合模式Blend One OneCGPROGRAM#pragma vertex vert#pragma fragment frag//添加//#pragma multi_compile_fwdadd#pragma multi_compile_fwdadd_fullshadows#include "UnityCG.cginc"#include "Lighting.cginc"#include "AutoLight.cginc"fixed4 _Diffuse;fixed4 _Specular;float _Gloss;struct a2v{float4 vertex:POSITION;float3 normal:NORMAL;};struct v2f{float4 pos:SV_POSITION;float3 worldNormal:TEXCOORD0;float3 worldPos:TEXCOORD1;//SHADOW_COORDS(2)};v2f vert(a2v v){v2f o;o.pos = UnityObjectToClipPos(v.vertex);o.worldNormal = UnityObjectToWorldNormal(v.normal);o.worldPos = mul(unity_ObjectToWorld,v.vertex);//TRANSFER_SHADOW(o);return o;}fixed4 frag(v2f i) :SV_Target{fixed3 worldNormal = normalize(i.worldNormal);fixed3 worldLight = normalize(UnityWorldSpaceLightDir(i.worldPos));fixed3 worldView = normalize(UnityWorldSpaceViewDir(i.worldPos));fixed3 halfDir = normalize(worldLight + worldView);               fixed3 diffuse = _LightColor0.rgb * _Diffuse.rgb * saturate(dot(worldNormal,worldLight));//Blinn-Phong高光公式:光顔色 * 高光反射顔色 * pow(saturate(dot(法线,半角方向)),高光系数)fixed3 specular = _LightColor0.rgb * _Specular.rgb * pow(saturate(dot(worldNormal,halfDir)),_Gloss);//1.计算衰减
//#ifdef USING_DIRECTIONAL_LIGHT
//                fixed atten = 1;
//#else
//                float3 lightCoord = mul(unity_WorldToLight, float4(i.worldPos, 1)).xyz;
//                fixed atten = tex2D(_LightTexture0,dot(lightCoord,lightCoord).rr).UNITY_ATTEN_CHANNEL;
//#endif//2.计算衰减和阴影UNITY_LIGHT_ATTENUATION(atten,i,i.worldPos);return fixed4((diffuse + specular) * atten,1.0);}ENDCG}}Fallback "Specular"
}

UnityShader---光照（衰减和阴影））（内置渲染管线）---10相关推荐

制作RPG独立游戏练习（二）内置渲染管线中实现风格化PBR效果
游戏的研发大概有3个月了,都是业余时间边学边做,还是觉得在项目里面实操学得扎实牢靠. 目标平台是手机....(优化后,目前测试的是中高端机型) 目前是在unity里面实时光的效果打包到手机里的实机画面 ...
【工具篇】Unity内置渲染管线和URP以及HDRP轮廓外发光边缘光高亮显示演示
目录一.内置渲染管线(Built_IN) 一. 效果展示二.使用教学 Quick Outline 二.URP渲染管线
你知道吗，Flutter内置了10多种Button控件
注意:无特殊说明,Flutter版本及Dart版本如下: Flutter版本: 1.12.13+hotfix.5 Dart版本: 2.7.0 Flutter内置了10多种Button(按钮)类控件供我 ...
Vue.js 内置了10个过滤器，下面简单介绍它们的功能和用法。
Vue.js 内置了10个过滤器,下面简单介绍它们的功能和用法. ①capitalize:字符串首字符转化成大写 ②uppercase:字符串转化成大写 ③lowercase :字符串转化成小写 ...
UnityShader---高级纹理（反射、折射、菲涅尔反射、镜子\玻璃效果）（内置渲染管线）---11
反射:代码里有阴影和衰减计算 Shader "Unlit/17" {Properties{_Color("Color",Color)=(1,1,1,1)_Ref ...
【内置渲染管线】Unity标准Shader解析（渲染模式，贴图类型）
目录一.标准Shader之四大渲染模式 1.Opaque(不透明) 2.Cutout(镂空) 3.Fade(隐现) 4.Transparent(透明) 二.标准Shader之十种贴图类型 1.标准 ...
【内置渲染管线】Built_IN水面效果Shader
1.水面波动UV动画 Shader "Hsj/Whater" {Properties{_MainTex("MainTex",2D) = "white& ...
python中chr函数的用法_【转】Python内置函数(10)——chr
英文文档: chr(i) Return the string representing a character whose Unicode code point is the integeri. Fo ...
【图形学】31 Unity 的光源衰减和阴影
来源:<UNITY SHADER入门精要> 文章目录 1.用于光照的衰减纹理 2.阴影的产生 ①传统的阴影映射纹理 ②屏幕空间的阴影映射技术(Screenspace Shadow Map) ...

UnityShader---光照（衰减和阴影））（内置渲染管线）---10

UnityShader---光照（衰减和阴影））（内置渲染管线）---10相关推荐

最新文章

热门文章