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1、Shader"Faye/OutLightting"{Properties{_MainTex("Texture(RGB)",2D)="black"{}_Color("Color",Color)=(0,0,0,1)_AtmoColor("AtmosphereColor",Color)=(0.5,0.5,1.0,1)_Size("Size",Float)=0.1_Falloff("Falloff",Float)=5_FalloffPlanet("FalloffPlanet",Float)=5_Trans
2、parency("Transparency",Float)=15_TransparencyPlanet("TransparencyPlanet",Float)=1}SubShader{Pass{Name"PlanetBase"Tags{"LightMode"="Always"}CullBackCGPROGRAM#pragmavertexvert#pragmafragmentfrag#pragmafragmentoptionARB_fog_exp2#pragmafragmentoptionARB_p
3、recision_hint_fastest#include"UnityCG.cginc"uniformsampler2D_MainTex;uniformfloat4_MainTex_ST;uniformfloat4_Color;uniformfloat4_AtmoColor;uniformfloat_FalloffPlanet;uniformfloat_TransparencyPlanet;structv2f{float4pos:SV_POSITION;float3normal:TEXCOORD0
4、;float3worldvertpos:TEXCOORD1;float2texcoord:TEXCOORD2;};v2fvert(appdata_basev){v2fo;o.pos=mul(UNITY_MATRIX_MVP,v.vertex);o.normal=v.normal;o.worldvertpos=mul(_Object2World,v.vertex).xyz;o.texcoord=TRANSFORM_TEX(v.texcoord,_MainTex);returno;}float4fra
5、g(v2fi):COLOR{i.normal=normalize(i.normal);float3viewdir=normalize(_WorldSpaceCameraPos-i.worldvertpos);float4atmo=_AtmoColor;atmo.a=pow(1.0-saturate(dot(viewdir,i.normal)),_FalloffPlanet);atmo.a*=_TransparencyPlanet*_Color;float4color=tex2D(_MainTex,
6、i.texcoord)*_Color;color.rgb=lerp(color.rgb,atmo.rgb,atmo.a);returncolor*dot(normalize(i.worldvertpos-_WorldSpaceLightPos0),i.normal);}ENDCG}Pass{Name"AtmosphereBase"Tags{"LightMode"="Always"}CullFrontBlendSrcAlphaOneCGPROGRAM#pragmavertexvert#pragmaf
7、ragmentfrag#pragmafragmentoptionARB_fog_exp2#pragmafragmentoptionARB_precision_hint_fastest#include"UnityCG.cginc"uniformfloat4_Color;uniformfloat4_AtmoColor;uniformfloat_Size;uniformfloat_Falloff;uniformfloat_Transparency;structv2f{float4pos:SV_POSIT
8、ION;float3normal:TEXCOORD0;float3worldvertpos:TEXCOORD1;};v2fvert(appdata_basev){v2fo;v.vertex.xyz+=v.normal*_Size;o.pos=mul(UNITY_MATRIX_MVP,v.vertex);o.normal=v.normal;o.worldvertpos=mul(_Object2World,v.vertex);returno;}float4frag(v2fi):COLO
