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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. All rights reserved.
    4. 

  4. Licensed under the Apache License, Version 2.0 (the "License"); you may not use
    5. 

  5. this file except in compliance with the License. You may obtain a copy of the
    6. 

  6. License at http://www.apache.org/licenses/LICENSE-2.0
    7. 

  7. 

  8. THIS CODE IS PROVIDED ON AN *AS IS* BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
    9. 

  9. KIND, EITHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION ANY IMPLIED
    10. 

  10. WARRANTIES OR CONDITIONS OF TITLE, FITNESS FOR A PARTICULAR PURPOSE,
    11. 

  11. MERCHANTABLITY OR NON-INFRINGEMENT.
    12. 

  12. 

  13. See the Apache Version 2.0 License for specific language governing permissions
    14. 

  14. and limitations under the License.
    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)t.hasOwnProperty(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}},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(4);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))},4:function(e,t,n){"use strict";n.r(t);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}\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.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.checkReadyOnEveryCall&&t.effect&&this._renderId===a.getRenderId())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");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())&&(this._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,n.d(t,"SkyMaterial",function(){return s})}})});
    17.