babylonjs-materials/babylon.skyMaterial.min.js

Babylon.js Materials Library =====================

!function(e,t){"object"==typeof exports&&"object"==typeof module?module.exports=t(require("babylonjs")):"function"==typeof define&&define.amd?define("babylonjs-materials",["babylonjs"],t):"object"==typeof exports?exports["babylonjs-materials"]=t(require("babylonjs")):e.MATERIALS=t(e.BABYLON)}("undefined"!=typeof self?self:"undefined"!=typeof global?global:this,(e=>(()=>{"use strict";var t={597:t=>{t.exports=e}},i={};function o(e){var n=i[e];if(void 0!==n)return n.exports;var a=i[e]={exports:{}};return t[e](a,a.exports,o),a.exports}o.d=(e,t)=>{for(var i in t)o.o(t,i)&&!o.o(e,i)&&Object.defineProperty(e,i,{enumerable:!0,get:t[i]})},o.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(e){if("object"==typeof window)return window}}(),o.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),o.r=e=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})};var n={};return(()=>{o.d(n,{default:()=>p});var e={};o.r(e),o.d(e,{SkyMaterial:()=>l});var t={};o.r(t),o.d(t,{SkyMaterial:()=>l});var i=function(e,t){return i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var i in t)Object.prototype.hasOwnProperty.call(t,i)&&(e[i]=t[i])},i(e,t)};function a(e,t){if("function"!=typeof t&&null!==t)throw new TypeError("Class extends value "+String(t)+" is not a constructor or null");function o(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(o.prototype=t.prototype,new o)}function r(e,t,i,o){var n,a=arguments.length,r=a<3?t:null===o?o=Object.getOwnPropertyDescriptor(t,i):o;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)r=Reflect.decorate(e,t,i,o);else for(var s=e.length-1;s>=0;s--)(n=e[s])&&(r=(a<3?n(r):a>3?n(t,i,r):n(t,i))||r);return a>3&&r&&Object.defineProperty(t,i,r),r}Object.create,Object.create,"function"==typeof SuppressedError&&SuppressedError;var s=o(597);s.ShaderStore.ShadersStore.skyPixelShader="precision highp float;varying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneFragmentDeclaration>\nuniform vec3 cameraPosition;uniform vec3 cameraOffset;uniform vec3 up;uniform float luminance;uniform float turbidity;uniform float rayleigh;uniform float mieCoefficient;uniform float mieDirectionalG;uniform vec3 sunPosition;\n#ifdef LOGARITHMICDEPTH\n#extension GL_EXT_frag_depth : enable\n#endif\n#include<logDepthDeclaration>\n#include<fogFragmentDeclaration>\nconst float e=2.71828182845904523536028747135266249775724709369995957;const float pi=3.141592653589793238462643383279502884197169;const float n=1.0003;const float N=2.545E25;const float pn=0.035;const vec3 lambda=vec3(680E-9,550E-9,450E-9);const vec3 K=vec3(0.686,0.678,0.666);const float v=4.0;const float rayleighZenithLength=8.4E3;const float mieZenithLength=1.25E3;const float EE=1000.0;const float sunAngularDiameterCos=0.999956676946448443553574619906976478926848692873900859324;const float cutoffAngle=pi/1.95;const float steepness=1.5;vec3 totalRayleigh(vec3 lambda)\n{return (8.0*pow(pi,3.0)*pow(pow(n,2.0)-1.0,2.0)*(6.0+3.0*pn))/(3.0*N*pow(lambda,vec3(4.0))*(6.0-7.0*pn));}\nvec3 simplifiedRayleigh()\n{return 0.0005/vec3(94,40,18);}\nfloat rayleighPhase(float cosTheta)\n{ \nreturn (3.0/(16.0*pi))*(1.0+pow(cosTheta,2.0));}\nvec3 totalMie(vec3 lambda,vec3 K,float T)\n{float c=(0.2*T )*10E-18;return 0.434*c*pi*pow((2.0*pi)/lambda,vec3(v-2.0))*K;}\nfloat hgPhase(float cosTheta,float g)\n{return (1.0/(4.0*pi))*((1.0-pow(g,2.0))/pow(1.0-2.0*g*cosTheta+pow(g,2.0),1.5));}\nfloat sunIntensity(float zenithAngleCos)\n{return EE*max(0.0,1.0-exp((-(cutoffAngle-acos(zenithAngleCos))/steepness)));}\nfloat A=0.15;float B=0.50;float C=0.10;float D=0.20;float EEE=0.02;float F=0.30;float W=1000.0;vec3 Uncharted2Tonemap(vec3 x)\n{return ((x*(A*x+C*B)+D*EEE)/(x*(A*x+B)+D*F))-EEE/F;}\n#if DITHER\n#include<helperFunctions>\n#endif\n#define CUSTOM_FRAGMENT_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_FRAGMENT_MAIN_BEGIN\n#include<clipPlaneFragment>\n/**\n*--------------------------------------------------------------------------------------------------\n* Sky Color\n*--------------------------------------------------------------------------------------------------\n*/\nfloat sunfade=1.0-clamp(1.0-exp((sunPosition.y/450000.0)),0.0,1.0);float rayleighCoefficient=rayleigh-(1.0*(1.0-sunfade));vec3 sunDirection=normalize(sunPosition);float sunE=sunIntensity(dot(sunDirection,up));vec3 betaR=simplifiedRayleigh()*rayleighCoefficient;vec3 betaM=totalMie(lambda,K,turbidity)*mieCoefficient;float zenithAngle=acos(max(0.0,dot(up,normalize(vPositionW-cameraPosition+cameraOffset))));float sR=rayleighZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));float sM=mieZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));vec3 Fex=exp(-(betaR*sR+betaM*sM));float cosTheta=dot(normalize(vPositionW-cameraPosition),sunDirection);float rPhase=rayleighPhase(cosTheta*0.5+0.5);vec3 betaRTheta=betaR*rPhase;float mPhase=hgPhase(cosTheta,mieDirectionalG);vec3 betaMTheta=betaM*mPhase;vec3 Lin=pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*(1.0-Fex),vec3(1.5));Lin*=mix(vec3(1.0),pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*Fex,vec3(1.0/2.0)),clamp(pow(1.0-dot(up,sunDirection),5.0),0.0,1.0));vec3 direction=normalize(vPositionW-cameraPosition);float theta=acos(direction.y);float phi=atan(direction.z,direction.x);vec2 uv=vec2(phi,theta)/vec2(2.0*pi,pi)+vec2(0.5,0.0);vec3 L0=vec3(0.1)*Fex;float sundisk=smoothstep(sunAngularDiameterCos,sunAngularDiameterCos+0.00002,cosTheta);L0+=(sunE*19000.0*Fex)*sundisk;vec3 whiteScale=1.0/Uncharted2Tonemap(vec3(W));vec3 texColor=(Lin+L0);texColor*=0.04 ;texColor+=vec3(0.0,0.001,0.0025)*0.3;float g_fMaxLuminance=1.0;float fLumScaled=0.1/luminance; \nfloat fLumCompressed=(fLumScaled*(1.0+(fLumScaled/(g_fMaxLuminance*g_fMaxLuminance))))/(1.0+fLumScaled); \nfloat ExposureBias=fLumCompressed;vec3 curr=Uncharted2Tonemap((log2(2.0/pow(luminance,4.0)))*texColor);vec3 retColor=curr*whiteScale;/**\n*--------------------------------------------------------------------------------------------------\n* Sky Color\n*--------------------------------------------------------------------------------------------------\n*/\nfloat alpha=1.0;\n#ifdef VERTEXCOLOR\nretColor.rgb*=vColor.rgb;\n#endif\n#if defined(VERTEXALPHA) || defined(INSTANCESCOLOR) && defined(INSTANCES)\nalpha*=vColor.a;\n#endif\n#if DITHER\nretColor.rgb+=dither(gl_FragCoord.xy,0.5);\n#endif\nvec4 color=clamp(vec4(retColor.rgb,alpha),0.0,1.0);\n#include<logDepthFragment>\n#include<fogFragment>\ngl_FragColor=color;\n#include<imageProcessingCompatibility>\n#define CUSTOM_FRAGMENT_MAIN_END\n}\n";s.ShaderStore.ShadersStore.skyVertexShader="precision highp float;attribute vec3 position;\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\nuniform mat4 world;uniform mat4 view;uniform mat4 viewProjection;\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\nvarying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<logDepthDeclaration>\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\n#define CUSTOM_VERTEX_DEFINITIONS\nvoid main(void) {\n#define CUSTOM_VERTEX_MAIN_BEGIN\ngl_Position=viewProjection*world*vec4(position,1.0);vec4 worldPos=world*vec4(position,1.0);vPositionW=vec3(worldPos);\n#include<clipPlaneVertex>\n#include<logDepthVertex>\n#include<fogVertex>\n#ifdef VERTEXCOLOR\nvColor=color;\n#endif\n#if defined(POINTSIZE) && !defined(WEBGPU)\ngl_PointSize=pointSize;\n#endif\n#define CUSTOM_VERTEX_MAIN_END\n}\n";var c=function(e){function t(){var t=e.call(this)||this;return t.CLIPPLANE=!1,t.CLIPPLANE2=!1,t.CLIPPLANE3=!1,t.CLIPPLANE4=!1,t.CLIPPLANE5=!1,t.CLIPPLANE6=!1,t.POINTSIZE=!1,t.FOG=!1,t.VERTEXCOLOR=!1,t.VERTEXALPHA=!1,t.IMAGEPROCESSINGPOSTPROCESS=!1,t.SKIPFINALCOLORCLAMP=!1,t.DITHER=!1,t.LOGARITHMICDEPTH=!1,t.rebuild(),t}return a(t,e),t}(s.MaterialDefines),l=function(e){function t(t,i){var o=e.call(this,t,i)||this;return o.luminance=1,o.turbidity=10,o.rayleigh=2,o.mieCoefficient=.005,o.mieDirectionalG=.8,o.distance=500,o.inclination=.49,o.azimuth=.25,o.sunPosition=new s.Vector3(0,100,0),o.useSunPosition=!1,o.cameraOffset=s.Vector3.Zero(),o.up=s.Vector3.Up(),o.dithering=!1,o._cameraPosition=s.Vector3.Zero(),o._skyOrientation=new s.Quaternion,o}return a(t,e),t.prototype.needAlphaBlending=function(){return this.alpha<1},t.prototype.needAlphaTesting=function(){return!1},t.prototype.getAlphaTestTexture=function(){return null},t.prototype.isReadyForSubMesh=function(e,t){var i=t._drawWrapper;if(this.isFrozen&&i.effect&&i._wasPreviouslyReady)return!0;t.materialDefines||(t.materialDefines=new c);var o=t.materialDefines,n=this.getScene();if(this._isReadyForSubMesh(t))return!0;if((0,s.PrepareDefinesForMisc)(e,n,this._useLogarithmicDepth,this.pointsCloud,this.fogEnabled,!1,o),(0,s.PrepareDefinesForAttributes)(e,o,!0,!1),o.IMAGEPROCESSINGPOSTPROCESS!==n.imageProcessingConfiguration.applyByPostProcess&&o.markAsMiscDirty(),o.DITHER!==this.dithering&&o.markAsMiscDirty(),o.isDirty){o.markAsProcessed(),n.resetCachedMaterial();var a=new s.EffectFallbacks;o.FOG&&a.addFallback(1,"FOG"),o.IMAGEPROCESSINGPOSTPROCESS=n.imageProcessingConfiguration.applyByPostProcess,o.DITHER=this.dithering;var r=[s.VertexBuffer.PositionKind];o.VERTEXCOLOR&&r.push(s.VertexBuffer.ColorKind);var l=["world","viewProjection","view","vFogInfos","vFogColor","logarithmicDepthConstant","pointSize","luminance","turbidity","rayleigh","mieCoefficient","mieDirectionalG","sunPosition","cameraPosition","cameraOffset","up"];(0,s.addClipPlaneUniforms)(l);var f=o.toString();t.setEffect(n.getEngine().createEffect("sky",r,l,[],f,a,this.onCompiled,this.onError),o,this._materialContext)}return!(!t.effect||!t.effect.isReady()||(o._renderId=n.getRenderId(),i._wasPreviouslyReady=!0,0))},t.prototype.bindForSubMesh=function(e,t,i){var o=this.getScene(),n=i.materialDefines;if(n){var a=i.effect;if(a){this._activeEffect=a,this.bindOnlyWorldMatrix(e),this._activeEffect.setMatrix("viewProjection",o.getTransformMatrix()),this._mustRebind(o,a,i)&&((0,s.bindClipPlane)(a,this,o),this.pointsCloud&&this._activeEffect.setFloat("pointSize",this.pointSize),this._useLogarithmicDepth&&(0,s.BindLogDepth)(n,a,o)),o.fogEnabled&&t.applyFog&&o.fogMode!==s.Scene.FOGMODE_NONE&&this._activeEffect.setMatrix("view",o.getViewMatrix()),(0,s.BindFogParameters)(o,t,this._activeEffect);var r=o.activeCamera;if(r){var c=r.getWorldMatrix();this._cameraPosition.x=c.m[12],this._cameraPosition.y=c.m[13],this._cameraPosition.z=c.m[14],this._activeEffect.setVector3("cameraPosition",this._cameraPosition)}if(this._activeEffect.setVector3("cameraOffset",this.cameraOffset),this._activeEffect.setVector3("up",this.up),this.luminance>0&&this._activeEffect.setFloat("luminance",this.luminance),this._activeEffect.setFloat("turbidity",this.turbidity),this._activeEffect.setFloat("rayleigh",this.rayleigh),this._activeEffect.setFloat("mieCoefficient",this.mieCoefficient),this._activeEffect.setFloat("mieDirectionalG",this.mieDirectionalG),!this.useSunPosition){var l=Math.PI*(this.inclination-.5),f=2*Math.PI*(this.azimuth-.5);this.sunPosition.x=this.distance*Math.cos(f)*Math.cos(l),this.sunPosition.y=this.distance*Math.sin(-l),this.sunPosition.z=this.distance*Math.sin(f)*Math.cos(l),s.Quaternion.FromUnitVectorsToRef(s.Vector3.UpReadOnly,this.up,this._skyOrientation),this.sunPosition.rotateByQuaternionToRef(this._skyOrientation,this.sunPosition)}this._activeEffect.setVector3("sunPosition",this.sunPosition),this._afterBind(t,this._activeEffect,i)}}},t.prototype.getAnimatables=function(){return[]},t.prototype.dispose=function(t){e.prototype.dispose.call(this,t)},t.prototype.clone=function(e){var i=this;return s.SerializationHelper.Clone((function(){return new t(e,i.getScene())}),this)},t.prototype.serialize=function(){var t=e.prototype.serialize.call(this);return t.customType="BABYLON.SkyMaterial",t},t.prototype.getClassName=function(){return"SkyMaterial"},t.Parse=function(e,i,o){return s.SerializationHelper.Parse((function(){return new t(e.name,i)}),e,i,o)},r([(0,s.serialize)()],t.prototype,"luminance",void 0),r([(0,s.serialize)()],t.prototype,"turbidity",void 0),r([(0,s.serialize)()],t.prototype,"rayleigh",void 0),r([(0,s.serialize)()],t.prototype,"mieCoefficient",void 0),r([(0,s.serialize)()],t.prototype,"mieDirectionalG",void 0),r([(0,s.serialize)()],t.prototype,"distance",void 0),r([(0,s.serialize)()],t.prototype,"inclination",void 0),r([(0,s.serialize)()],t.prototype,"azimuth",void 0),r([(0,s.serializeAsVector3)()],t.prototype,"sunPosition",void 0),r([(0,s.serialize)()],t.prototype,"useSunPosition",void 0),r([(0,s.serializeAsVector3)()],t.prototype,"cameraOffset",void 0),r([(0,s.serializeAsVector3)()],t.prototype,"up",void 0),r([(0,s.serialize)()],t.prototype,"dithering",void 0),t}(s.PushMaterial);(0,s.RegisterClass)("BABYLON.SkyMaterial",l);var f=void 0!==o.g?o.g:"undefined"!=typeof window?window:void 0;if(void 0!==f)for(var u in e)f.BABYLON[u]=e[u];const p=t})(),n.default})()));
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