@babylonjs/viewer/dist/chunks/background.fragment-oAUCLlim.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 e}from"./index-BPURObVq.esm.min.js";import{s as n}from"./sceneUboDeclaration-De4jS-Et.esm.min.js";import{b as o}from"./backgroundUboDeclaration-B67h5ACM.esm.min.js";import{h as i}from"./helperFunctions-Sht42MtG.esm.min.js";import{r}from"./reflectionFunction-DHtqxFax.esm.min.js";import{i as f,a as l}from"./imageProcessingFunctions-dwYg-EB2.esm.min.js";import{l as t,a as c,b as a,s}from"./shadowsFragmentFunctions-CnUZhkKO.esm.min.js";import{c as d,l as m}from"./lightFragment-D2M-tB0p.esm.min.js";import{l as v}from"./lightsFragmentFunctions-Ce-PE_08.esm.min.js";import{l as u}from"./logDepthDeclaration-D8y4De99.esm.min.js";import{c as E,a as R}from"./clipPlaneFragment-NzyMiSJJ.esm.min.js";import{f as C,a as g}from"./fogFragment-CHG9qDrl.esm.min.js";import{l as S}from"./logDepthFragment-DBfZUT9s.esm.min.js";const F="backgroundFragmentDeclaration",p="uniform vec4 vEyePosition;uniform vec4 vPrimaryColor;\n#ifdef USEHIGHLIGHTANDSHADOWCOLORS\nuniform vec4 vPrimaryColorShadow;\n#endif\nuniform float shadowLevel;uniform float alpha;\n#ifdef DIFFUSE\nuniform vec2 vDiffuseInfos;\n#endif\n#ifdef REFLECTION\nuniform vec2 vReflectionInfos;uniform mat4 reflectionMatrix;uniform vec3 vReflectionMicrosurfaceInfos;\n#endif\n#if defined(REFLECTIONFRESNEL) || defined(OPACITYFRESNEL)\nuniform vec3 vBackgroundCenter;\n#endif\n#ifdef REFLECTIONFRESNEL\nuniform vec4 vReflectionControl;\n#endif\n#if defined(REFLECTIONMAP_SPHERICAL) || defined(REFLECTIONMAP_PROJECTION) || defined(REFRACTION)\nuniform mat4 view;\n#endif\n#ifdef PROJECTED_GROUND\nuniform vec2 projectedGroundInfos;\n#endif\n";e.IncludesShadersStore[F]||(e.IncludesShadersStore[F]=p);const I={name:F,shader:p},h="intersectionFunctions",O="float diskIntersectWithBackFaceCulling(vec3 ro,vec3 rd,vec3 c,float r) {float d=rd.y;if(d>0.0) { return 1e6; }\nvec3 o=ro-c;float t=-o.y/d;vec3 q=o+rd*t;return (dot(q,q)<r*r) ? t : 1e6;}\nvec2 sphereIntersect(vec3 ro,vec3 rd,vec3 ce,float ra) {vec3 oc=ro-ce;float b=dot(oc,rd);float c=dot(oc,oc)-ra*ra;float h=b*b-c;if(h<0.0) { return vec2(-1.0,-1.0); }\nh=sqrt(h);return vec2(-b+h,-b-h);}\nvec2 sphereIntersectFromOrigin(vec3 ro,vec3 rd,float ra) {float b=dot(ro,rd);float c=dot(ro,ro)-ra*ra;float h=b*b-c;if(h<0.0) { return vec2(-1.0,-1.0); }\nh=sqrt(h);return vec2(-b+h,-b-h);}";e.IncludesShadersStore[h]||(e.IncludesShadersStore[h]=O);const L={name:h,shader:O},D="backgroundPixelShader",N="#ifdef TEXTURELODSUPPORT\n#extension GL_EXT_shader_texture_lod : enable\n#endif\nprecision highp float;\n#include<__decl__backgroundFragment>\n#include<helperFunctions>\nvarying vec3 vPositionW;\n#ifdef MAINUV1\nvarying vec2 vMainUV1;\n#endif \n#ifdef MAINUV2 \nvarying vec2 vMainUV2; \n#endif \n#ifdef NORMAL\nvarying vec3 vNormalW;\n#endif\n#ifdef DIFFUSE\n#if DIFFUSEDIRECTUV==1\n#define vDiffuseUV vMainUV1\n#elif DIFFUSEDIRECTUV==2\n#define vDiffuseUV vMainUV2\n#else\nvarying vec2 vDiffuseUV;\n#endif\nuniform sampler2D diffuseSampler;\n#endif\n#ifdef REFLECTION\n#ifdef REFLECTIONMAP_3D\n#define sampleReflection(s,c) textureCube(s,c)\nuniform samplerCube reflectionSampler;\n#ifdef TEXTURELODSUPPORT\n#define sampleReflectionLod(s,c,l) textureCubeLodEXT(s,c,l)\n#else\nuniform samplerCube reflectionSamplerLow;uniform samplerCube reflectionSamplerHigh;\n#endif\n#else\n#define sampleReflection(s,c) texture2D(s,c)\nuniform sampler2D reflectionSampler;\n#ifdef TEXTURELODSUPPORT\n#define sampleReflectionLod(s,c,l) texture2DLodEXT(s,c,l)\n#else\nuniform samplerCube reflectionSamplerLow;uniform samplerCube reflectionSamplerHigh;\n#endif\n#endif\n#ifdef REFLECTIONMAP_SKYBOX\nvarying vec3 vPositionUVW;\n#else\n#if defined(REFLECTIONMAP_EQUIRECTANGULAR_FIXED) || defined(REFLECTIONMAP_MIRROREDEQUIRECTANGULAR_FIXED)\nvarying vec3 vDirectionW;\n#endif\n#endif\n#include<reflectionFunction>\n#endif\n#ifndef FROMLINEARSPACE\n#define FROMLINEARSPACE;\n#endif\n#ifndef SHADOWONLY\n#define SHADOWONLY;\n#endif\n#include<imageProcessingDeclaration>\n#include<__decl__lightFragment>[0..maxSimultaneousLights]\n#include<lightsFragmentFunctions>\n#include<shadowsFragmentFunctions>\n#include<imageProcessingFunctions>\n#ifdef LOGARITHMICDEPTH\n#extension GL_EXT_frag_depth : enable\n#endif\n#include<logDepthDeclaration>\n#include<clipPlaneFragmentDeclaration>\n#include<fogFragmentDeclaration>\n#ifdef REFLECTIONFRESNEL\n#define FRESNEL_MAXIMUM_ON_ROUGH 0.25\nvec3 fresnelSchlickEnvironmentGGX(float VdotN,vec3 reflectance0,vec3 reflectance90,float smoothness)\n{float weight=mix(FRESNEL_MAXIMUM_ON_ROUGH,1.0,smoothness);return reflectance0+weight*(reflectance90-reflectance0)*pow5(saturate(1.0-VdotN));}\n#endif\n#ifdef PROJECTED_GROUND\n#include<intersectionFunctions>\nvec3 project(vec3 viewDirectionW,vec3 eyePosition) {float radius=projectedGroundInfos.x;float height=projectedGroundInfos.y;vec3 camDir=-viewDirectionW;float skySphereDistance=sphereIntersectFromOrigin(eyePosition,camDir,radius).x;vec3 skySpherePositionW=eyePosition+camDir*skySphereDistance;vec3 p=normalize(skySpherePositionW);eyePosition.y-=height;float sIntersection=sphereIntersectFromOrigin(eyePosition,p,radius).x;vec3 h=vec3(0.0,-height,0.0);float dIntersection=diskIntersectWithBackFaceCulling(eyePosition,p,h,radius);p=(eyePosition+min(sIntersection,dIntersection)*p);return p;}\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\nvec3 viewDirectionW=normalize(vEyePosition.xyz-vPositionW);\n#ifdef NORMAL\nvec3 normalW=normalize(vNormalW);\n#else\nvec3 normalW=vec3(0.0,1.0,0.0);\n#endif\nfloat shadow=1.;float globalShadow=0.;float shadowLightCount=0.;float aggShadow=0.;float numLights=0.;\n#include<lightFragment>[0..maxSimultaneousLights]\n#ifdef SHADOWINUSE\nglobalShadow/=shadowLightCount;\n#else\nglobalShadow=1.0;\n#endif\n#ifndef BACKMAT_SHADOWONLY\nvec4 reflectionColor=vec4(1.,1.,1.,1.);\n#ifdef REFLECTION\n#ifdef PROJECTED_GROUND\nvec3 reflectionVector=project(viewDirectionW,vEyePosition.xyz);reflectionVector=vec3(reflectionMatrix*vec4(reflectionVector,1.));\n#else\nvec3 reflectionVector=computeReflectionCoords(vec4(vPositionW,1.0),normalW);\n#endif\n#ifdef REFLECTIONMAP_OPPOSITEZ\nreflectionVector.z*=-1.0;\n#endif\n#ifdef REFLECTIONMAP_3D\nvec3 reflectionCoords=reflectionVector;\n#else\nvec2 reflectionCoords=reflectionVector.xy;\n#ifdef REFLECTIONMAP_PROJECTION\nreflectionCoords/=reflectionVector.z;\n#endif\nreflectionCoords.y=1.0-reflectionCoords.y;\n#endif\n#ifdef REFLECTIONBLUR\nfloat reflectionLOD=vReflectionInfos.y;\n#ifdef TEXTURELODSUPPORT\nreflectionLOD=reflectionLOD*log2(vReflectionMicrosurfaceInfos.x)*vReflectionMicrosurfaceInfos.y+vReflectionMicrosurfaceInfos.z;reflectionColor=sampleReflectionLod(reflectionSampler,reflectionCoords,reflectionLOD);\n#else\nfloat lodReflectionNormalized=saturate(reflectionLOD);float lodReflectionNormalizedDoubled=lodReflectionNormalized*2.0;vec4 reflectionSpecularMid=sampleReflection(reflectionSampler,reflectionCoords);if(lodReflectionNormalizedDoubled<1.0){reflectionColor=mix(\nsampleReflection(reflectionSamplerHigh,reflectionCoords),\nreflectionSpecularMid,\nlodReflectionNormalizedDoubled\n);} else {reflectionColor=mix(\nreflectionSpecularMid,\nsampleReflection(reflectionSamplerLow,reflectionCoords),\nlodReflectionNormalizedDoubled-1.0\n);}\n#endif\n#else\nvec4 reflectionSample=sampleReflection(reflectionSampler,reflectionCoords);reflectionColor=reflectionSample;\n#endif\n#ifdef RGBDREFLECTION\nreflectionColor.rgb=fromRGBD(reflectionColor);\n#endif\n#ifdef GAMMAREFLECTION\nreflectionColor.rgb=toLinearSpace(reflectionColor.rgb);\n#endif\n#ifdef REFLECTIONBGR\nreflectionColor.rgb=reflectionColor.bgr;\n#endif\nreflectionColor.rgb*=vReflectionInfos.x;\n#endif\nvec3 diffuseColor=vec3(1.,1.,1.);float finalAlpha=alpha;\n#ifdef DIFFUSE\nvec4 diffuseMap=texture2D(diffuseSampler,vDiffuseUV);\n#ifdef GAMMADIFFUSE\ndiffuseMap.rgb=toLinearSpace(diffuseMap.rgb);\n#endif\ndiffuseMap.rgb*=vDiffuseInfos.y;\n#ifdef DIFFUSEHASALPHA\nfinalAlpha*=diffuseMap.a;\n#endif\ndiffuseColor=diffuseMap.rgb;\n#endif\n#ifdef REFLECTIONFRESNEL\nvec3 colorBase=diffuseColor;\n#else\nvec3 colorBase=reflectionColor.rgb*diffuseColor;\n#endif\ncolorBase=max(colorBase,0.0);\n#ifdef USERGBCOLOR\nvec3 finalColor=colorBase;\n#else\n#ifdef USEHIGHLIGHTANDSHADOWCOLORS\nvec3 mainColor=mix(vPrimaryColorShadow.rgb,vPrimaryColor.rgb,colorBase);\n#else\nvec3 mainColor=vPrimaryColor.rgb;\n#endif\nvec3 finalColor=colorBase*mainColor;\n#endif\n#ifdef REFLECTIONFRESNEL\nvec3 reflectionAmount=vReflectionControl.xxx;vec3 reflectionReflectance0=vReflectionControl.yyy;vec3 reflectionReflectance90=vReflectionControl.zzz;float VdotN=dot(normalize(vEyePosition.xyz),normalW);vec3 planarReflectionFresnel=fresnelSchlickEnvironmentGGX(saturate(VdotN),reflectionReflectance0,reflectionReflectance90,1.0);reflectionAmount*=planarReflectionFresnel;\n#ifdef REFLECTIONFALLOFF\nfloat reflectionDistanceFalloff=1.0-saturate(length(vPositionW.xyz-vBackgroundCenter)*vReflectionControl.w);reflectionDistanceFalloff*=reflectionDistanceFalloff;reflectionAmount*=reflectionDistanceFalloff;\n#endif\nfinalColor=mix(finalColor,reflectionColor.rgb,saturate(reflectionAmount));\n#endif\n#ifdef OPACITYFRESNEL\nfloat viewAngleToFloor=dot(normalW,normalize(vEyePosition.xyz-vBackgroundCenter));const float startAngle=0.1;float fadeFactor=saturate(viewAngleToFloor/startAngle);finalAlpha*=fadeFactor*fadeFactor;\n#endif\n#ifdef SHADOWINUSE\nfinalColor=mix(finalColor*shadowLevel,finalColor,globalShadow);\n#endif\nvec4 color=vec4(finalColor,finalAlpha);\n#else\nvec4 color=vec4(vPrimaryColor.rgb,(1.0-clamp(globalShadow,0.,1.))*alpha);\n#endif\n#include<logDepthFragment>\n#include<fogFragment>\n#ifdef IMAGEPROCESSINGPOSTPROCESS\n#if !defined(SKIPFINALCOLORCLAMP)\ncolor.rgb=clamp(color.rgb,0.,30.0);\n#endif\n#else\ncolor=applyImageProcessing(color);\n#endif\n#ifdef PREMULTIPLYALPHA\ncolor.rgb*=color.a;\n#endif\n#ifdef NOISE\ncolor.rgb+=dither(vPositionW.xy,0.5);color=max(color,0.0);\n#endif\ngl_FragColor=color;\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";e.ShadersStore[D]||(e.ShadersStore[D]=N);const P=[I,n,o,i,r,f,t,c,a,d,v,s,l,u,E,C,L,R,m,S,g];for(const n of P)e.IncludesShadersStore[n.name]||(e.IncludesShadersStore[n.name]=n.shader);const A={name:D,shader:N};export{A as backgroundPixelShader};
//# sourceMappingURL=background.fragment-oAUCLlim.esm.min.js.map