@babylonjs/viewer/dist/chunks/fogFragment-Jrm4is7s.esm.min.js

The Babylon Viewer aims to simplify a specific but common Babylon.js use case: loading, viewing, and interacting with a 3D model.

import{S as n}from"./index-Bw2N6w1y.esm.min.js";const o="fogFragmentDeclaration";n.IncludesShadersStoreWGSL[o]||(n.IncludesShadersStoreWGSL[o]="#ifdef FOG\n#define FOGMODE_NONE 0.\n#define FOGMODE_EXP 1.\n#define FOGMODE_EXP2 2.\n#define FOGMODE_LINEAR 3.\nconst E=2.71828;uniform vFogInfos: vec4f;uniform vFogColor: vec3f;varying vFogDistance: vec3f;fn CalcFogFactor()->f32\n{var fogCoeff: f32=1.0;var fogStart: f32=uniforms.vFogInfos.y;var fogEnd: f32=uniforms.vFogInfos.z;var fogDensity: f32=uniforms.vFogInfos.w;var fogDistance: f32=length(fragmentInputs.vFogDistance);if (FOGMODE_LINEAR==uniforms.vFogInfos.x)\n{fogCoeff=(fogEnd-fogDistance)/(fogEnd-fogStart);}\nelse if (FOGMODE_EXP==uniforms.vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDensity);}\nelse if (FOGMODE_EXP2==uniforms.vFogInfos.x)\n{fogCoeff=1.0/pow(E,fogDistance*fogDistance*fogDensity*fogDensity);}\nreturn clamp(fogCoeff,0.0,1.0);}\n#endif\n");const f="logDepthFragment";n.IncludesShadersStoreWGSL[f]||(n.IncludesShadersStoreWGSL[f]="#ifdef LOGARITHMICDEPTH\nfragmentOutputs.fragDepth=log2(fragmentInputs.vFragmentDepth)*uniforms.logarithmicDepthConstant*0.5;\n#endif\n");const e="fogFragment";n.IncludesShadersStoreWGSL[e]||(n.IncludesShadersStoreWGSL[e]="#ifdef FOG\nvar fog: f32=CalcFogFactor();\n#ifdef PBR\nfog=toLinearSpace(fog);\n#endif\ncolor= vec4f(mix(uniforms.vFogColor,color.rgb,fog),color.a);\n#endif\n");
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