{"ast":null,"code":"// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"fogFragmentDeclaration\";\nconst shader = `#ifdef FOG\n#define FOGMODE_NONE 0.\n#define FOGMODE_EXP 1.\n#define FOGMODE_EXP2 2.\n#define FOGMODE_LINEAR 3.\n#define E 2.71828\nuniform vec4 vFogInfos;uniform vec3 vFogColor;varying vec3 vFogDistance;float CalcFogFactor()\n{float fogCoeff=1.0;float fogStart=vFogInfos.y;float fogEnd=vFogInfos.z;float fogDensity=vFogInfos.w;float fogDistance=length(vFogDistance);if (FOGMODE_LINEAR==vFogInfos.x)\n{fogCoeff=(fogEnd-fogDistance)/(fogEnd-fogStart);}\nelse if (FOGMODE_EXP==vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDensity);}\nelse if (FOGMODE_EXP2==vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDistance*fogDensity*fogDensity);}\nreturn clamp(fogCoeff,0.0,1.0);}\n#endif\n`;\n// Sideeffect\nShaderStore.IncludesShadersStore[name] = shader;\n/** @internal */\nexport const fogFragmentDeclaration = {\n  name,\n  shader\n};","map":{"version":3,"names":["ShaderStore","name","shader","IncludesShadersStore","fogFragmentDeclaration"],"sources":["F:/workspace/202226701027/huinongbao-app/node_modules/@babylonjs/core/Shaders/ShadersInclude/fogFragmentDeclaration.js"],"sourcesContent":["// Do not edit.\nimport { ShaderStore } from \"../../Engines/shaderStore.js\";\nconst name = \"fogFragmentDeclaration\";\nconst shader = `#ifdef FOG\n#define FOGMODE_NONE 0.\n#define FOGMODE_EXP 1.\n#define FOGMODE_EXP2 2.\n#define FOGMODE_LINEAR 3.\n#define E 2.71828\nuniform vec4 vFogInfos;uniform vec3 vFogColor;varying vec3 vFogDistance;float CalcFogFactor()\n{float fogCoeff=1.0;float fogStart=vFogInfos.y;float fogEnd=vFogInfos.z;float fogDensity=vFogInfos.w;float fogDistance=length(vFogDistance);if (FOGMODE_LINEAR==vFogInfos.x)\n{fogCoeff=(fogEnd-fogDistance)/(fogEnd-fogStart);}\nelse if (FOGMODE_EXP==vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDensity);}\nelse if (FOGMODE_EXP2==vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDistance*fogDensity*fogDensity);}\nreturn clamp(fogCoeff,0.0,1.0);}\n#endif\n`;\n// Sideeffect\nShaderStore.IncludesShadersStore[name] = shader;\n/** @internal */\nexport const fogFragmentDeclaration = { name, shader };\n"],"mappings":"AAAA;AACA,SAASA,WAAW,QAAQ,8BAA8B;AAC1D,MAAMC,IAAI,GAAG,wBAAwB;AACrC,MAAMC,MAAM,GAAG;AACf;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA,CAAC;AACD;AACAF,WAAW,CAACG,oBAAoB,CAACF,IAAI,CAAC,GAAGC,MAAM;AAC/C;AACA,OAAO,MAAME,sBAAsB,GAAG;EAAEH,IAAI;EAAEC;AAAO,CAAC","ignoreList":[]},"metadata":{},"sourceType":"module","externalDependencies":[]}