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babylon.skyMaterial.min.js

babylon.skyMaterial.min.js 13 KB
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  1. !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,(function(e){return function(e){var t={};function n(i){if(t[i])return t[i].exports;var o=t[i]={i:i,l:!1,exports:{}};return e[i].call(o.exports,o,o.exports,n),o.l=!0,o.exports}return n.m=e,n.c=t,n.d=function(e,t,i){n.o(e,t)||Object.defineProperty(e,t,{enumerable:!0,get:i})},n.r=function(e){"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})},n.t=function(e,t){if(1&t&&(e=n(e)),8&t)return e;if(4&t&&"object"==typeof e&&e&&e.__esModule)return e;var i=Object.create(null);if(n.r(i),Object.defineProperty(i,"default",{enumerable:!0,value:e}),2&t&&"string"!=typeof e)for(var o in e)n.d(i,o,function(t){return e[t]}.bind(null,o));return i},n.n=function(e){var t=e&&e.__esModule?function(){return e.default}:function(){return e};return n.d(t,"a",t),t},n.o=function(e,t){return Object.prototype.hasOwnProperty.call(e,t)},n.p="",n(n.s=31)}({0:function(t,n){t.exports=e},1:function(e,t,n){"use strict";n.d(t,"b",(function(){return o})),n.d(t,"a",(function(){return a}));
    2. 

  2. /*! *****************************************************************************
    3. 

  3. Copyright (c) Microsoft Corporation.
    4. 

  4. 

  5. Permission to use, copy, modify, and/or distribute this software for any
    6. 

  6. purpose with or without fee is hereby granted.
    7. 

  7. 

  8. THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
    9. 

  9. REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
    10. 

  10. AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT,
    11. 

  11. INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
    12. 

  12. LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
    13. 

  13. OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
    14. 

  14. PERFORMANCE OF THIS SOFTWARE.
    15. 

  15. ***************************************************************************** */
    16. 

  16. var i=function(e,t){return(i=Object.setPrototypeOf||{__proto__:[]}instanceof Array&&function(e,t){e.__proto__=t}||function(e,t){for(var n in t)Object.prototype.hasOwnProperty.call(t,n)&&(e[n]=t[n])})(e,t)};function o(e,t){function n(){this.constructor=e}i(e,t),e.prototype=null===t?Object.create(t):(n.prototype=t.prototype,new n)}function a(e,t,n,i){var o,a=arguments.length,r=a<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)r=Reflect.decorate(e,t,n,i);else for(var c=e.length-1;c>=0;c--)(o=e[c])&&(r=(a<3?o(r):a>3?o(t,n,r):o(t,n))||r);return a>3&&r&&Object.defineProperty(t,n,r),r}Object.create;Object.create},13:function(e,t,n){"use strict";n.r(t),n.d(t,"SkyMaterial",(function(){return s}));var i=n(1),o=n(0),a="precision highp float;\n\nvarying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneFragmentDeclaration>\n\nuniform vec3 cameraPosition;\nuniform vec3 cameraOffset;\nuniform float luminance;\nuniform float turbidity;\nuniform float rayleigh;\nuniform float mieCoefficient;\nuniform float mieDirectionalG;\nuniform vec3 sunPosition;\n\n#include<fogFragmentDeclaration>\n\nconst float e=2.71828182845904523536028747135266249775724709369995957;\nconst float pi=3.141592653589793238462643383279502884197169;\nconst float n=1.0003;\nconst float N=2.545E25;\nconst float pn=0.035;\nconst vec3 lambda=vec3(680E-9,550E-9,450E-9);\nconst vec3 K=vec3(0.686,0.678,0.666);\nconst float v=4.0;\nconst float rayleighZenithLength=8.4E3;\nconst float mieZenithLength=1.25E3;\nconst vec3 up=vec3(0.0,1.0,0.0);\nconst float EE=1000.0;\nconst float sunAngularDiameterCos=0.999956676946448443553574619906976478926848692873900859324;\nconst float cutoffAngle=pi/1.95;\nconst float steepness=1.5;\nvec3 totalRayleigh(vec3 lambda)\n{\nreturn (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));\n}\nvec3 simplifiedRayleigh()\n{\nreturn 0.0005/vec3(94,40,18);\n}\nfloat rayleighPhase(float cosTheta)\n{\nreturn (3.0/(16.0*pi))*(1.0+pow(cosTheta,2.0));\n}\nvec3 totalMie(vec3 lambda,vec3 K,float T)\n{\nfloat c=(0.2*T )*10E-18;\nreturn 0.434*c*pi*pow((2.0*pi)/lambda,vec3(v-2.0))*K;\n}\nfloat hgPhase(float cosTheta,float g)\n{\nreturn (1.0/(4.0*pi))*((1.0-pow(g,2.0))/pow(1.0-2.0*g*cosTheta+pow(g,2.0),1.5));\n}\nfloat sunIntensity(float zenithAngleCos)\n{\nreturn EE*max(0.0,1.0-exp((-(cutoffAngle-acos(zenithAngleCos))/steepness)));\n}\nfloat A=0.15;\nfloat B=0.50;\nfloat C=0.10;\nfloat D=0.20;\nfloat EEE=0.02;\nfloat F=0.30;\nfloat W=1000.0;\nvec3 Uncharted2Tonemap(vec3 x)\n{\nreturn ((x*(A*x+C*B)+D*EEE)/(x*(A*x+B)+D*F))-EEE/F;\n}\nvoid main(void) {\n\n#include<clipPlaneFragment>\n\nfloat sunfade=1.0-clamp(1.0-exp((sunPosition.y/450000.0)),0.0,1.0);\nfloat rayleighCoefficient=rayleigh-(1.0*(1.0-sunfade));\nvec3 sunDirection=normalize(sunPosition);\nfloat sunE=sunIntensity(dot(sunDirection,up));\nvec3 betaR=simplifiedRayleigh()*rayleighCoefficient;\nvec3 betaM=totalMie(lambda,K,turbidity)*mieCoefficient;\nfloat zenithAngle=acos(max(0.0,dot(up,normalize(vPositionW-cameraPosition+cameraOffset))));\nfloat sR=rayleighZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));\nfloat sM=mieZenithLength/(cos(zenithAngle)+0.15*pow(93.885-((zenithAngle*180.0)/pi),-1.253));\nvec3 Fex=exp(-(betaR*sR+betaM*sM));\nfloat cosTheta=dot(normalize(vPositionW-cameraPosition),sunDirection);\nfloat rPhase=rayleighPhase(cosTheta*0.5+0.5);\nvec3 betaRTheta=betaR*rPhase;\nfloat mPhase=hgPhase(cosTheta,mieDirectionalG);\nvec3 betaMTheta=betaM*mPhase;\nvec3 Lin=pow(sunE*((betaRTheta+betaMTheta)/(betaR+betaM))*(1.0-Fex),vec3(1.5));\nLin*=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));\nvec3 direction=normalize(vPositionW-cameraPosition);\nfloat theta=acos(direction.y);\nfloat phi=atan(direction.z,direction.x);\nvec2 uv=vec2(phi,theta)/vec2(2.0*pi,pi)+vec2(0.5,0.0);\nvec3 L0=vec3(0.1)*Fex;\nfloat sundisk=smoothstep(sunAngularDiameterCos,sunAngularDiameterCos+0.00002,cosTheta);\nL0+=(sunE*19000.0*Fex)*sundisk;\nvec3 whiteScale=1.0/Uncharted2Tonemap(vec3(W));\nvec3 texColor=(Lin+L0);\ntexColor*=0.04 ;\ntexColor+=vec3(0.0,0.001,0.0025)*0.3;\nfloat g_fMaxLuminance=1.0;\nfloat fLumScaled=0.1/luminance;\nfloat fLumCompressed=(fLumScaled*(1.0+(fLumScaled/(g_fMaxLuminance*g_fMaxLuminance))))/(1.0+fLumScaled);\nfloat ExposureBias=fLumCompressed;\nvec3 curr=Uncharted2Tonemap((log2(2.0/pow(luminance,4.0)))*texColor);\n\n\n\nvec3 retColor=curr*whiteScale;\n\n\nfloat alpha=1.0;\n#ifdef VERTEXCOLOR\nretColor.rgb*=vColor.rgb;\n#endif\n#ifdef VERTEXALPHA\nalpha*=vColor.a;\n#endif\n\nvec4 color=clamp(vec4(retColor.rgb,alpha),0.0,1.0);\n\n#include<fogFragment>\ngl_FragColor=color;\n#include<imageProcessingCompatibility>\n}\n";o.Effect.ShadersStore.skyPixelShader=a;var r="precision highp float;\n\nattribute vec3 position;\n#ifdef VERTEXCOLOR\nattribute vec4 color;\n#endif\n\nuniform mat4 world;\nuniform mat4 view;\nuniform mat4 viewProjection;\n#ifdef POINTSIZE\nuniform float pointSize;\n#endif\n\nvarying vec3 vPositionW;\n#ifdef VERTEXCOLOR\nvarying vec4 vColor;\n#endif\n#include<clipPlaneVertexDeclaration>\n#include<fogVertexDeclaration>\nvoid main(void) {\ngl_Position=viewProjection*world*vec4(position,1.0);\nvec4 worldPos=world*vec4(position,1.0);\nvPositionW=vec3(worldPos);\n\n#include<clipPlaneVertex>\n\n#include<fogVertex>\n\n#ifdef VERTEXCOLOR\nvColor=color;\n#endif\n\n#ifdef POINTSIZE\ngl_PointSize=pointSize;\n#endif\n}\n";o.Effect.ShadersStore.skyVertexShader=r;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.rebuild(),t}return Object(i.b)(t,e),t}(o.MaterialDefines),s=function(e){function t(t,n){var i=e.call(this,t,n)||this;return i.luminance=1,i.turbidity=10,i.rayleigh=2,i.mieCoefficient=.005,i.mieDirectionalG=.8,i.distance=500,i.inclination=.49,i.azimuth=.25,i.sunPosition=new o.Vector3(0,100,0),i.useSunPosition=!1,i.cameraOffset=o.Vector3.Zero(),i._cameraPosition=o.Vector3.Zero(),i}return Object(i.b)(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,n){if(this.isFrozen&&t.effect&&t.effect._wasPreviouslyReady)return!0;t._materialDefines||(t._materialDefines=new c);var i=t._materialDefines,a=this.getScene();if(this._isReadyForSubMesh(t))return!0;if(o.MaterialHelper.PrepareDefinesForMisc(e,a,!1,this.pointsCloud,this.fogEnabled,!1,i),o.MaterialHelper.PrepareDefinesForAttributes(e,i,!0,!1),i.isDirty){i.markAsProcessed(),a.resetCachedMaterial();var r=new o.EffectFallbacks;i.FOG&&r.addFallback(1,"FOG"),i.IMAGEPROCESSINGPOSTPROCESS=a.imageProcessingConfiguration.applyByPostProcess;var s=[o.VertexBuffer.PositionKind];i.VERTEXCOLOR&&s.push(o.VertexBuffer.ColorKind);var l=i.toString();t.setEffect(a.getEngine().createEffect("sky",s,["world","viewProjection","view","vFogInfos","vFogColor","pointSize","vClipPlane","vClipPlane2","vClipPlane3","vClipPlane4","vClipPlane5","vClipPlane6","luminance","turbidity","rayleigh","mieCoefficient","mieDirectionalG","sunPosition","cameraPosition","cameraOffset"],[],l,r,this.onCompiled,this.onError),i)}return!(!t.effect||!t.effect.isReady())&&(i._renderId=a.getRenderId(),t.effect._wasPreviouslyReady=!0,!0)},t.prototype.bindForSubMesh=function(e,t,n){var i=this.getScene();if(n._materialDefines){var a=n.effect;if(a){this._activeEffect=a,this.bindOnlyWorldMatrix(e),this._activeEffect.setMatrix("viewProjection",i.getTransformMatrix()),this._mustRebind(i,a)&&(o.MaterialHelper.BindClipPlane(this._activeEffect,i),this.pointsCloud&&this._activeEffect.setFloat("pointSize",this.pointSize)),i.fogEnabled&&t.applyFog&&i.fogMode!==o.Scene.FOGMODE_NONE&&this._activeEffect.setMatrix("view",i.getViewMatrix()),o.MaterialHelper.BindFogParameters(i,t,this._activeEffect);var r=i.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.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 s=Math.PI*(this.inclination-.5),l=2*Math.PI*(this.azimuth-.5);this.sunPosition.x=this.distance*Math.cos(l),this.sunPosition.y=this.distance*Math.sin(l)*Math.sin(s),this.sunPosition.z=this.distance*Math.sin(l)*Math.cos(s)}this._activeEffect.setVector3("sunPosition",this.sunPosition),this._afterBind(t,this._activeEffect)}}},t.prototype.getAnimatables=function(){return[]},t.prototype.dispose=function(t){e.prototype.dispose.call(this,t)},t.prototype.clone=function(e){var n=this;return o.SerializationHelper.Clone((function(){return new t(e,n.getScene())}),this)},t.prototype.serialize=function(){var e=o.SerializationHelper.Serialize(this);return e.customType="BABYLON.SkyMaterial",e},t.prototype.getClassName=function(){return"SkyMaterial"},t.Parse=function(e,n,i){return o.SerializationHelper.Parse((function(){return new t(e.name,n)}),e,n,i)},Object(i.a)([Object(o.serialize)()],t.prototype,"luminance",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"turbidity",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"rayleigh",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"mieCoefficient",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"mieDirectionalG",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"distance",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"inclination",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"azimuth",void 0),Object(i.a)([Object(o.serializeAsVector3)()],t.prototype,"sunPosition",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"useSunPosition",void 0),Object(i.a)([Object(o.serialize)()],t.prototype,"cameraOffset",void 0),t}(o.PushMaterial);o._TypeStore.RegisteredTypes["BABYLON.SkyMaterial"]=s},2:function(e,t){var n;n=function(){return this}();try{n=n||new Function("return this")()}catch(e){"object"==typeof window&&(n=window)}e.exports=n},31:function(e,t,n){"use strict";n.r(t),function(e){var i=n(13);n.d(t,"SkyMaterial",(function(){return i.SkyMaterial}));var o=void 0!==e?e:"undefined"!=typeof window?window:void 0;if(void 0!==o)for(var a in i)o.BABYLON[a]=i[a]}.call(this,n(2))}})}));
    17.