marzipano/assets/marzipano.js

// Marzipano - a 360° media viewer for the modern web (v0.10.2)
//
// Copyright 2016 Google Inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
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t[0]=a*(p*e-f*v)-c*(h*e-u*v)+m*(h*f-u*p),t[1]=-(r*(p*e-f*v)-c*(n*e-o*v)+m*(n*f-o*p)),t[2]=r*(h*e-u*v)-a*(n*e-o*v)+m*(n*u-o*h),t[3]=-(r*(h*f-u*p)-a*(n*f-o*p)+c*(n*u-o*h)),t[4]=-(s*(p*e-f*v)-l*(h*e-u*v)+d*(h*f-u*p)),t[5]=i*(p*e-f*v)-l*(n*e-o*v)+d*(n*f-o*p),t[6]=-(i*(h*e-u*v)-s*(n*e-o*v)+d*(n*u-o*h)),t[7]=i*(h*f-u*p)-s*(n*f-o*p)+l*(n*u-o*h),t[8]=s*(c*e-f*m)-l*(a*e-u*m)+d*(a*f-u*c),t[9]=-(i*(c*e-f*m)-l*(r*e-o*m)+d*(r*f-o*c)),t[10]=i*(a*e-u*m)-s*(r*e-o*m)+d*(r*u-o*a),t[11]=-(i*(a*f-u*c)-s*(r*f-o*c)+l*(r*u-o*a)),t[12]=-(s*(c*v-p*m)-l*(a*v-h*m)+d*(a*p-h*c)),t[13]=i*(c*v-p*m)-l*(r*v-n*m)+d*(r*p-n*c),t[14]=-(i*(a*v-h*m)-s*(r*v-n*m)+d*(r*h-n*a)),t[15]=i*(a*p-h*c)-s*(r*p-n*c)+l*(r*h-n*a),t},i.determinant=function(t){var e=t[0],i=t[1],r=t[2],n=t[3],o=t[4],s=t[5],a=t[6],h=t[7],u=t[8],l=t[9],c=t[10],p=t[11],f=t[12],d=t[13],m=t[14],t=t[15];return(e*s-i*o)*(c*t-p*m)-(e*a-r*o)*(l*t-p*d)+(e*h-n*o)*(l*m-c*d)+(i*a-r*s)*(u*t-p*f)-(i*h-n*s)*(u*m-c*f)+(r*h-n*a)*(u*d-l*f)},i.multiply=r,i.translate=function(t,e,i){var r,n,o,s,a,h,u,l,c,p,f,d=i[0],m=i[1],v=i[2];e===t?(t[12]=e[0]*d+e[4]*m+e[8]*v+e[12],t[13]=e[1]*d+e[5]*m+e[9]*v+e[13],t[14]=e[2]*d+e[6]*m+e[10]*v+e[14],t[15]=e[3]*d+e[7]*m+e[11]*v+e[15]):(r=e[0],n=e[1],o=e[2],s=e[3],a=e[4],h=e[5],u=e[6],l=e[7],c=e[8],p=e[9],f=e[10],i=e[11],t[0]=r,t[1]=n,t[2]=o,t[3]=s,t[4]=a,t[5]=h,t[6]=u,t[7]=l,t[8]=c,t[9]=p,t[10]=f,t[11]=i,t[12]=r*d+a*m+c*v+e[12],t[13]=n*d+h*m+p*v+e[13],t[14]=o*d+u*m+f*v+e[14],t[15]=s*d+l*m+i*v+e[15]);return t},i.scale=function(t,e,i){var r=i[0],n=i[1],i=i[2];return 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t[0]=e,t[1]=0,t[2]=-i,t[3]=0,t[4]=0,t[5]=1,t[6]=0,t[7]=0,t[8]=i,t[9]=0,t[10]=e,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},i.fromZRotation=function(t,e){var i=Math.sin(e),e=Math.cos(e);return t[0]=e,t[1]=i,t[2]=0,t[3]=0,t[4]=-i,t[5]=e,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=1,t[11]=0,t[12]=0,t[13]=0,t[14]=0,t[15]=1,t},i.fromRotationTranslation=p,i.fromQuat2=function(t,e){var i=new O.ARRAY_TYPE(3),r=-e[0],n=-e[1],o=-e[2],s=e[3],a=e[4],h=e[5],u=e[6],l=e[7],c=r*r+n*n+o*o+s*s;0<c?(i[0]=2*(a*s+l*r+h*o-u*n)/c,i[1]=2*(h*s+l*n+u*r-a*o)/c,i[2]=2*(u*s+l*o+a*n-h*r)/c):(i[0]=2*(a*s+l*r+h*o-u*n),i[1]=2*(h*s+l*n+u*r-a*o),i[2]=2*(u*s+l*o+a*n-h*r));return p(t,e,i),t},i.getTranslation=function(t,e){return t[0]=e[12],t[1]=e[13],t[2]=e[14],t},i.getScaling=f,i.getRotation=function(t,e){var i=new O.ARRAY_TYPE(3);f(i,e);var 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this.reset(),void(this.state=32);this.state&(St|Ct|32)&&(this.state=Et),this.state=this.process(t),this.state&(Tt|Pt|Lt|Ct)&&this.tryEmit(t)},process:function(t){},getTouchAction:function(){},reset:function(){}},d(It,Rt,{defaults:{pointers:1},attrTest:function(t){var e=this.options.pointers;return 0===e||t.pointers.length===e},process:function(t){var e=this.state,i=t.eventType,r=e&(Tt|Pt),t=this.attrTest(t);return r&&(i&H||!t)?e|Ct:r||t?i&j?e|Lt:e&Tt?e|Pt:Tt:32}}),d(zt,It,{defaults:{event:"pan",threshold:10,pointers:1,direction:X},getTouchAction:function(){var t=this.options.direction,e=[];return t&W&&e.push(Mt),t&V&&e.push(bt),e},directionTest:function(t){var e=this.options,i=!0,r=t.distance,n=t.direction,o=t.deltaX,s=t.deltaY;return n&e.direction||(r=e.direction&W?(n=0===o?k:o<0?Y:N,i=o!=this.pX,Math.abs(t.deltaX)):(n=0===s?k:s<0?F:q,i=s!=this.pY,Math.abs(t.deltaY))),t.direction=n,i&&r>e.threshold&&n&e.direction},attrTest:function(t){return It.prototype.attrTest.call(this,t)&&(this.state&Tt||!(this.state&Tt)&&this.directionTest(t))},emit:function(t){this.pX=t.deltaX,this.pY=t.deltaY;var e=At(t.direction);e&&this.manager.emit(this.options.event+e,t),this._super.emit.call(this,t)}}),d(Dt,It,{defaults:{event:"pinch",threshold:0,pointers:2},getTouchAction:function(){return[wt]},attrTest:function(t){return this._super.attrTest.call(this,t)&&(Math.abs(t.scale-1)>this.options.threshold||this.state&Tt)},emit:function(t){var e;this._super.emit.call(this,t),1!==t.scale&&(e=t.scale<1?"in":"out",this.manager.emit(this.options.event+e,t))}}),d(jt,Rt,{defaults:{event:"press",pointers:1,time:500,threshold:5},getTouchAction:function(){return["auto"]},process:function(t){var e=this.options,i=t.pointers.length===e.pointers,r=t.distance<e.threshold,n=t.deltaTime>e.time;if(this._input=t,!r||!i||t.eventType&(j|H)&&!n)this.reset();else if(t.eventType&D)this.reset(),this._timer=c(function(){this.state=St,this.tryEmit()},e.time,this);else if(t.eventType&j)return St;return 32},reset:function(){clearTimeout(this._timer)},emit:function(t){this.state===St&&(t&&t.eventType&j?this.manager.emit(this.options.event+"up",t):(this._input.timeStamp=h(),this.manager.emit(this.options.event,this._input)))}}),d(Ht,It,{defaults:{event:"rotate",threshold:0,pointers:2},getTouchAction:function(){return[wt]},attrTest:function(t){return this._super.attrTest.call(this,t)&&(Math.abs(t.rotation)>this.options.threshold||this.state&Tt)}}),d(kt,It,{defaults:{event:"swipe",threshold:10,velocity:.65,direction:W|V,pointers:1},getTouchAction:function(){return zt.prototype.getTouchAction.call(this)},attrTest:function(t){var e,i=this.options.direction;return i&(W|V)?e=t.velocity:i&W?e=t.velocityX:i&V&&(e=t.velocityY),this._super.attrTest.call(this,t)&&i&t.direction&&t.distance>this.options.threshold&&l(e)>this.options.velocity&&t.eventType&j},emit:function(t){var e=At(t.direction);e&&this.manager.emit(this.options.event+e,t),this.manager.emit(this.options.event,t)}}),d(Yt,Rt,{defaults:{event:"tap",pointers:1,taps:1,interval:300,time:250,threshold:2,posThreshold:10},getTouchAction:function(){return[gt]},process:function(t){var e=this.options,i=t.pointers.length===e.pointers,r=t.distance<e.threshold,n=t.deltaTime<e.time;if(this.reset(),t.eventType&D&&0===this.count)return this.failTimeout();if(r&&n&&i){if(t.eventType!=j)return this.failTimeout();n=!this.pTime||t.timeStamp-this.pTime<e.interval,i=!this.pCenter||$(this.pCenter,t.center)<e.posThreshold;if(this.pTime=t.timeStamp,this.pCenter=t.center,i&&n?this.count+=1:this.count=1,this._input=t,0==this.count%e.taps)return this.hasRequireFailures()?(this._timer=c(function(){this.state=St,this.tryEmit()},e.interval,this),Tt):St}return 32},failTimeout:function(){return this._timer=c(function(){this.state=32},this.options.interval,this),32},reset:function(){clearTimeout(this._timer)},emit:function(){this.state==St&&(this._input.tapCount=this.count,this.manager.emit(this.options.event,this._input))}}),Nt.VERSION="2.0.4",Nt.defaults={domEvents:!1,touchAction:yt,enable:!0,inputTarget:null,inputClass:null,preset:[[Ht,{enable:!1}],[Dt,{enable:!1},["rotate"]],[kt,{direction:W}],[zt,{direction:W},["swipe"]],[Yt],[Yt,{event:"doubletap",taps:2},["tap"]],[jt]],cssProps:{userSelect:"none",touchSelect:"none",touchCallout:"none",contentZooming:"none",userDrag:"none",tapHighlightColor:"rgba(0,0,0,0)"}},Ft.prototype={set:function(t){return p(this.options,t),t.touchAction&&this.touchAction.update(),t.inputTarget&&(this.input.destroy(),this.input.target=t.inputTarget,this.input.init()),this},stop:function(t){this.session.stopped=t?2:1},recognize:function(t){var e,i=this.session;if(!i.stopped){this.touchAction.preventDefaults(t);var r=this.recognizers,n=i.curRecognizer;(!n||n&&n.state&St)&&(n=i.curRecognizer=null);for(var o=0;o<r.length;)e=r[o],2===i.stopped||n&&e!=n&&!e.canRecognizeWith(n)?e.reset():e.recognize(t),!n&&e.state&(Tt|Pt|Lt)&&(n=i.curRecognizer=e),o++}},get:function(t){if(t instanceof Rt)return t;for(var e=this.recognizers,i=0;i<e.length;i++)if(e[i].options.event==t)return e[i];return null},add:function(t){if(r(t,"add",this))return this;var e=this.get(t.options.event);return e&&this.remove(e),this.recognizers.push(t),(t.manager=this).touchAction.update(),t},remove:function(t){if(r(t,"remove",this))return this;var e=this.recognizers;return t=this.get(t),e.splice(x(e,t),1),this.touchAction.update(),this},on:function(t,e){var i=this.handlers;return n(M(t),function(t){i[t]=i[t]||[],i[t].push(e)}),this},off:function(t,e){var i=this.handlers;return n(M(t),function(t){e?i[t].splice(x(i[t],e),1):delete i[t]}),this},emit:function(t,e){var i,r,n;this.options.domEvents&&(i=t,r=e,(n=a.createEvent("Event")).initEvent(i,!0,!0),(n.gesture=r).target.dispatchEvent(n));var o=this.handlers[t]&&this.handlers[t].slice();if(o&&o.length){e.type=t,e.preventDefault=function(){e.srcEvent.preventDefault()};for(var s=0;s<o.length;)o[s](e),s++}},destroy:function(){this.element&&qt(this,!1),this.handlers={},this.session={},this.input.destroy(),this.element=null}},p(Nt,{INPUT_START:D,INPUT_MOVE:2,INPUT_END:j,INPUT_CANCEL:H,STATE_POSSIBLE:Et,STATE_BEGAN:Tt,STATE_CHANGED:Pt,STATE_ENDED:Lt,STATE_RECOGNIZED:St,STATE_CANCELLED:Ct,STATE_FAILED:32,DIRECTION_NONE:k,DIRECTION_LEFT:Y,DIRECTION_RIGHT:N,DIRECTION_UP:F,DIRECTION_DOWN:q,DIRECTION_HORIZONTAL:W,DIRECTION_VERTICAL:V,DIRECTION_ALL:X,Manager:Ft,Input:U,TouchAction:xt,TouchInput:dt,MouseInput:nt,PointerEventInput:ut,TouchMouseInput:mt,SingleTouchInput:ct,Recognizer:Rt,AttrRecognizer:It,Tap:Yt,Pan:zt,Swipe:kt,Pinch:Dt,Rotate:Ht,Press:jt,on:y,off:g,each:n,merge:f,extend:p,inherit:d,bindFn:m,prefixed:P}),typeof Vt==i&&Vt.amd?Vt(function(){return Nt}):void 0!==Wt&&Wt.exports?Wt.exports=Nt:t.Hammer=Nt}(window,document)},{}],14:[function(t,e,i){"use strict";function r(){}r.prototype.addEventListener=function(t,e){var i=this.__events=this.__events||{},t=i[t]=i[t]||[];t.indexOf(e)<0&&t.push(e)},r.prototype.removeEventListener=function(t,e){t=(this.__events=this.__events||{})[t];!t||0<=(e=t.indexOf(e))&&t.splice(e,1)},r.prototype.emit=function(t,e){var i=(this.__events=this.__events||{})[t],r=Array.prototype.slice.call(arguments,1);if(i)for(var n=0;n<i.length;n++)i[n].apply(this,r)},e.exports=function(t){for(var e in r.prototype)r.prototype.hasOwnProperty(e)&&(t.prototype[e]=r.prototype[e])}},{}],15:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./util/positionAbsolutely"),o=t("./util/dom").setTransform,s=t("./util/clearOwnProperties");function a(t,e,i,r,n){(n=n||{}).perspective=n.perspective||{},n.perspective.extraTransforms=null!=n.perspective.extraTransforms?n.perspective.extraTransforms:"",this._domElement=t,this._parentDomElement=e,this._view=i,this._coords={},this._perspective={},this.setPosition(r),this._parentDomElement.appendChild(this._domElement),this.setPerspective(n.perspective),this._visible=!0,this._position={x:0,y:0}}r(a),a.prototype.destroy=function(){this._parentDomElement.removeChild(this._domElement),s(this)},a.prototype.domElement=function(){return this._domElement},a.prototype.position=function(){return this._coords},a.prototype.setPosition=function(t){for(var e in t)this._coords[e]=t[e];this._update()},a.prototype.perspective=function(){return this._perspective},a.prototype.setPerspective=function(t){for(var e in t)this._perspective[e]=t[e];this._update()},a.prototype.show=function(){this._visible||(this._visible=!0,this._update())},a.prototype.hide=function(){this._visible&&(this._visible=!1,this._update())},a.prototype._update=function(){var t,e=this._domElement,i=this._coords,r=this._position,n=!1;this._visible&&(t=this._view,this._perspective.radius?(n=!0,this._setEmbeddedPosition(t,i)):(t.coordinatesToScreen(i,r),i=r.x,r=r.y,null!=i&&null!=r&&(n=!0,this._setPosition(i,r)))),n?(e.style.display="block",e.style.position="absolute"):(e.style.display="none",e.style.position="")},a.prototype._setEmbeddedPosition=function(t,e){e=t.coordinatesToPerspectiveTransform(e,this._perspective.radius,this._perspective.extraTransforms);o(this._domElement,e)},a.prototype._setPosition=function(t,e){n(this._domElement,t,e,this._perspective.extraTransforms)},e.exports=a},{"./util/clearOwnProperties":76,"./util/dom":85,"./util/positionAbsolutely":96,"minimal-event-emitter":14}],16:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Hotspot"),s=t("./util/calcRect"),a=t("./util/positionAbsolutely"),o=t("./util/dom").setAbsolute,h=t("./util/dom").setOverflowHidden,u=t("./util/dom").setOverflowVisible,l=t("./util/dom").setNullSize,c=t("./util/dom").setPixelSize,p=t("./util/dom").setWithVendorPrefix("pointer-events"),f=t("./util/clearOwnProperties");function d(t,e,i,r,n){n=n||{},this._parentDomElement=t,this._stage=e,this._view=i,this._renderLoop=r,this._hotspots=[],this._visible=!0,this._rect=n.rect,this._visibilityOrRectChanged=!0,this._stageWidth=null,this._stageHeight=null,this._tmpRect={},this._hotspotContainerWrapper=document.createElement("div"),o(this._hotspotContainerWrapper),p(this._hotspotContainerWrapper,"none"),this._parentDomElement.appendChild(this._hotspotContainerWrapper),this._hotspotContainer=document.createElement("div"),o(this._hotspotContainer),p(this._hotspotContainer,"all"),this._hotspotContainerWrapper.appendChild(this._hotspotContainer),this._updateHandler=this._update.bind(this),this._renderLoop.addEventListener("afterRender",this._updateHandler)}r(d),d.prototype.destroy=function(){for(;this._hotspots.length;)this.destroyHotspot(this._hotspots[0]);this._parentDomElement.removeChild(this._hotspotContainerWrapper),this._renderLoop.removeEventListener("afterRender",this._updateHandler),f(this)},d.prototype.domElement=function(){return this._hotspotContainer},d.prototype.setRect=function(t){this._rect=t,this._visibilityOrRectChanged=!0},d.prototype.rect=function(){return this._rect},d.prototype.createHotspot=function(t,e,i){e=e||{};i=new n(t,this._hotspotContainer,this._view,e,i);return this._hotspots.push(i),i._update(),this.emit("hotspotsChange"),i},d.prototype.hasHotspot=function(t){return 0<=this._hotspots.indexOf(t)},d.prototype.listHotspots=function(){return[].concat(this._hotspots)},d.prototype.destroyHotspot=function(t){var e=this._hotspots.indexOf(t);if(e<0)throw new Error("No such hotspot");this._hotspots.splice(e,1),t.destroy(),this.emit("hotspotsChange")},d.prototype.hide=function(){this._visible&&(this._visible=!1,this._visibilityOrRectChanged=!0,this._update())},d.prototype.show=function(){this._visible||(this._visible=!0,this._visibilityOrRectChanged=!0,this._update())},d.prototype._update=function(){var t,e=this._hotspotContainerWrapper,i=this._stage.width(),r=this._stage.height(),n=this._tmpRect;(this._visibilityOrRectChanged||this._rect&&(i!==this._stageWidth||r!==this._stageHeight))&&(t=this._visible,e.style.display=t?"block":"none",t&&(this._rect?(s(i,r,this._rect,n),a(e,i*n.x,r*n.y),c(e,i*n.width,r*n.height),h(e)):(a(e,0,0),l(e),u(e))),this._stageWidth=i,this._stageHeight=r,this._visibilityOrRectChanged=!1);for(var o=0;o<this._hotspots.length;o++)this._hotspots[o]._update()},e.exports=d},{"./Hotspot":15,"./util/calcRect":72,"./util/clearOwnProperties":76,"./util/dom":85,"./util/positionAbsolutely":96,"minimal-event-emitter":14}],17:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./util/extend"),o=t("./util/clearOwnProperties");function s(t,e,i,r,n){n=n||{};var o=this;this._source=t,this._geometry=e,this._view=i,this._textureStore=r,this._effects=n.effects||{},this._fixedLevelIndex=null,this._viewChangeHandler=function(){o.emit("viewChange",o.view())},this._view.addEventListener("change",this._viewChangeHandler),this._textureStoreChangeHandler=function(){o.emit("textureStoreChange",o.textureStore())},this._textureStore.addEventListener("textureLoad",this._textureStoreChangeHandler),this._textureStore.addEventListener("textureError",this._textureStoreChangeHandler),this._textureStore.addEventListener("textureInvalid",this._textureStoreChangeHandler)}r(s),s.prototype.destroy=function(){this._view.removeEventListener("change",this._viewChangeHandler),this._textureStore.removeEventListener("textureLoad",this._textureStoreChangeHandler),this._textureStore.removeEventListener("textureError",this._textureStoreChangeHandler),this._textureStore.removeEventListener("textureInvalid",this._textureStoreChangeHandler),o(this)},s.prototype.source=function(){return this._source},s.prototype.geometry=function(){return this._geometry},s.prototype.view=function(){return this._view},s.prototype.textureStore=function(){return this._textureStore},s.prototype.effects=function(){return this._effects},s.prototype.setEffects=function(t){this._effects=t,this.emit("effectsChange",this._effects)},s.prototype.mergeEffects=function(t){n(this._effects,t),this.emit("effectsChange",this._effects)},s.prototype.fixedLevel=function(){return this._fixedLevelIndex},s.prototype.setFixedLevel=function(t){if(t!==this._fixedLevelIndex){if(null!=t&&(t>=this._geometry.levelList.length||t<0))throw new Error("Level index out of range: "+t);this._fixedLevelIndex=t,this.emit("fixedLevelChange",this._fixedLevelIndex)}},s.prototype._selectLevel=function(){var t=null!=this._fixedLevelIndex?this._geometry.levelList[this._fixedLevelIndex]:this._view.selectLevel(this._geometry.selectableLevelList);return t},s.prototype.visibleTiles=function(t){var e=this._selectLevel();return this._geometry.visibleTiles(this._view,e,t)},s.prototype.pinLevel=function(t){for(var t=this._geometry.levelList[t],e=this._geometry.levelTiles(t),i=0;i<e.length;i++)this._textureStore.pin(e[i])},s.prototype.unpinLevel=function(t){for(var t=this._geometry.levelList[t],e=this._geometry.levelTiles(t),i=0;i<e.length;i++)this._textureStore.unpin(e[i])},s.prototype.pinFirstLevel=function(){return this.pinLevel(0)},s.prototype.unpinFirstLevel=function(){return this.unpinLevel(0)},e.exports=s},{"./util/clearOwnProperties":76,"./util/extend":86,"minimal-event-emitter":14}],18:[function(t,e,i){"use strict";function r(t){this.constructor.super_.apply(this,arguments),this.message=t}t("./util/inherits")(r,Error),e.exports=r},{"./util/inherits":89}],19:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./util/clearOwnProperties");function o(t){var e=this;this._stage=t,this._running=!1,this._rendering=!1,this._requestHandle=null,this._boundLoop=this._loop.bind(this),this._renderInvalidHandler=function(){e._rendering||e.renderOnNextFrame()},this._stage.addEventListener("renderInvalid",this._renderInvalidHandler)}r(o),o.prototype.destroy=function(){this.stop(),this._stage.removeEventListener("renderInvalid",this._renderInvalidHandler),n(this)},o.prototype.stage=function(){return this._stage},o.prototype.start=function(){this._running=!0,this.renderOnNextFrame()},o.prototype.stop=function(){this._requestHandle&&(window.cancelAnimationFrame(this._requestHandle),this._requestHandle=null),this._running=!1},o.prototype.renderOnNextFrame=function(){this._running&&!this._requestHandle&&(this._requestHandle=window.requestAnimationFrame(this._boundLoop))},o.prototype._loop=function(){if(!this._running)throw new Error("Render loop running while in stopped state");this._requestHandle=null,this._rendering=!0,this.emit("beforeRender"),this._rendering=!1,this._stage.render(),this.emit("afterRender")},e.exports=o},{"./util/clearOwnProperties":76,"minimal-event-emitter":14}],20:[function(t,e,i){"use strict";var a=t("./Layer"),h=t("./TextureStore"),r=t("./HotspotContainer"),n=t("minimal-event-emitter"),o=t("./util/now"),c=t("./util/noop"),p=t("./util/type"),f=t("./util/defaults"),s=t("./util/clearOwnProperties");function u(t,e){this._viewer=t,this._view=e,this._layers=[],this._hotspotContainer=new r(t._controlContainer,t.stage(),this._view,t.renderLoop()),this._movement=null,this._movementStartTime=null,this._movementStep=null,this._movementParams=null,this._movementCallback=null,this._updateMovementHandler=this._updateMovement.bind(this),this._updateHotspotContainerHandler=this._updateHotspotContainer.bind(this),this._viewer.addEventListener("sceneChange",this._updateHotspotContainerHandler),this._viewChangeHandler=this.emit.bind(this,"viewChange"),this._view.addEventListener("change",this._viewChangeHandler),this._updateHotspotContainer()}n(u),u.prototype.destroy=function(){this._view.removeEventListener("change",this._viewChangeHandler),this._viewer.removeEventListener("sceneChange",this._updateHotspotContainerHandler),this._movement&&this.stopMovement(),this._hotspotContainer.destroy(),this.destroyAllLayers(),s(this)},u.prototype.hotspotContainer=function(){return this._hotspotContainer},u.prototype.layer=function(){return this._layers[0]},u.prototype.listLayers=function(){return[].concat(this._layers)},u.prototype.view=function(){return this._view},u.prototype.viewer=function(){return this._viewer},u.prototype.visible=function(){return this._viewer.scene()===this},u.prototype.createLayer=function(t){var e=(t=t||{}).textureStoreOpts||{},i=t.layerOpts||{},r=t.source,n=t.geometry,o=this._view,s=this._viewer.stage(),e=new h(r,s,e),i=new a(r,n,o,e,i);return this._layers.push(i),t.pinFirstLevel&&i.pinFirstLevel(),this.emit("layerChange"),i},u.prototype.destroyLayer=function(t){var e=this._layers.indexOf(t);if(e<0)throw new Error("No such layer in scene");this._layers.splice(e,1),this.emit("layerChange"),t.textureStore().destroy(),t.destroy()},u.prototype.destroyAllLayers=function(){for(;0<this._layers.length;)this.destroyLayer(this._layers[0])},u.prototype.switchTo=function(t,e){return this._viewer.switchScene(this,t,e)},u.prototype.lookTo=function(t,e,i){var r=this;if(e=e||{},i=i||c,"object"!==p(t))throw new Error("Target view parameters must be an object");var a=null!=e.ease?e.ease:function(t){return(t*=2)<1?.5*t*t:-.5*(--t*(t-2)-1)},n=null!=e.controlsInterrupt&&e.controlsInterrupt,h=null!=e.transitionDuration?e.transitionDuration:1e3,o=null==e.shortest||e.shortest,e=this._view,u=e.parameters(),l={};f(l,t),f(l,u),o&&e.normalizeToClosest&&e.normalizeToClosest(l,l);var s=this._viewer.controls().enabled();n||this._viewer.controls().disable(),this.startMovement(function(){var s=!1;return function(t,e){if(h<=e&&s)return null;var i,r=Math.min(e/h,1);for(i in t){var n=u[i],o=l[i];t[i]=n+a(r)*(o-n)}return s=h<=e,t}},function(){s&&r._viewer.controls().enable(),i()})},u.prototype.startMovement=function(t,e){var i=this._viewer.renderLoop();this._movement&&this.stopMovement();var r=t();if("function"!=typeof r)throw new Error("Bad movement");this._movement=t,this._movementStep=r,this._movementStartTime=o(),this._movementParams={},this._movementCallback=e,i.addEventListener("beforeRender",this._updateMovementHandler),i.renderOnNextFrame()},u.prototype.stopMovement=function(){var t=this._movementCallback,e=this._viewer.renderLoop();this._movement&&(this._movement=null,this._movementStep=null,this._movementStartTime=null,this._movementParams=null,this._movementCallback=null,e.removeEventListener("beforeRender",this._updateMovementHandler),t&&t())},u.prototype.movement=function(){return this._movement},u.prototype._updateMovement=function(){if(!this._movement)throw new Error("Should not call update");var t=this._viewer.renderLoop(),e=this._view,i=o()-this._movementStartTime,r=this._movementStep,n=this._movementParams;null==(n=r(n=e.parameters(n),i))?this.stopMovement():(e.setParameters(n),t.renderOnNextFrame())},u.prototype._updateHotspotContainer=function(){this.visible()?this._hotspotContainer.show():this._hotspotContainer.hide()},e.exports=u},{"./HotspotContainer":16,"./Layer":17,"./TextureStore":21,"./util/clearOwnProperties":76,"./util/defaults":81,"./util/noop":92,"./util/now":93,"./util/type":101,"minimal-event-emitter":14}],21:[function(t,e,i){"use strict";var r=t("./collections/Map"),n=t("./collections/Set"),o=t("./collections/LruSet"),s=t("minimal-event-emitter"),a=t("./util/defaults"),h=t("./util/retry"),u=t("./util/chain"),l=t("./util/inherits"),c=t("./util/clearOwnProperties"),p="undefined"!=typeof MARZIPANODEBUG&&MARZIPANODEBUG.textureStore,f=0,d=1,m=2,v=3,_={previouslyVisibleCacheSize:512},y=0;function g(){}function w(n,o){var s=this,a=y++;s._id=a,s._store=n,s._tile=o,s._asset=null,s._texture=null,s._changeHandler=function(){n.emit("textureInvalid",o)};var t=n.source(),e=n.stage(),i=t.loadAsset.bind(t),t=e.createTexture.bind(e),t=u(h(i),t);n.emit("textureStartLoad",o),p&&console.log("loading",a,o),s._cancel=t(e,o,function(t,e,i,r){return s._cancel=null,t?(i&&i.destroy(),r&&r.destroy(),void(t instanceof g?(n.emit("textureCancel",o),p&&console.log("cancel",a,o)):(n.emit("textureError",o,t),p&&console.log("error",a,o)))):(s._texture=r,i.isDynamic()?(s._asset=i).addEventListener("change",s._changeHandler):i.destroy(),n.emit("textureLoad",o),void(p&&console.log("load",a,o)))})}function b(t,e,i){i=a(i||{},_),this._source=t,this._stage=e,this._state=f,this._delimCount=0,this._itemMap=new r,this._visible=new n,this._previouslyVisible=new o(i.previouslyVisibleCacheSize),this._pinMap=new r,this._newVisible=new 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e=this;e._evicted.length=0,e._itemMap.forEach(function(t){e._evicted.push(t)}),e._evicted.forEach(function(t){e._unloadTile(t)}),e._itemMap.clear(),e._visible.clear(),e._previouslyVisible.clear(),e._pinMap.clear(),e._newVisible.clear(),e._noLongerVisible.length=0,e._visibleAgain.length=0,e._evicted.length=0},b.prototype.clearNotPinned=function(){var e=this;e._evicted.length=0,e._itemMap.forEach(function(t){e._pinMap.has(t)||e._evicted.push(t)}),e._evicted.forEach(function(t){e._unloadTile(t)}),e._visible.clear(),e._previouslyVisible.clear(),e._evicted.length=0},b.prototype.startFrame=function(){if(this._state!==f&&this._state!==d)throw new Error("TextureStore: startFrame called out of sequence");this._state=d,this._delimCount++},b.prototype.markTile=function(t){if(this._state!==d&&this._state!==m)throw new Error("TextureStore: markTile called out of sequence");this._state=m;var e=this._itemMap.get(t),i=e&&e.texture(),e=e&&e.asset();i&&e&&i.refresh(t,e),this._newVisible.add(t)},b.prototype.endFrame=function(){if(this._state!==d&&this._state!==m&&this._state!==v)throw new Error("TextureStore: endFrame called out of sequence");this._state=v,this._delimCount--,this._delimCount||(this._update(),this._state=f)},b.prototype._update=function(){var r=this;r._noLongerVisible.length=0,r._visible.forEach(function(t){r._newVisible.has(t)||r._noLongerVisible.push(t)}),r._visibleAgain.length=0,r._newVisible.forEach(function(t){r._previouslyVisible.has(t)&&r._visibleAgain.push(t)}),r._visibleAgain.forEach(function(t){r._previouslyVisible.remove(t)}),r._evicted.length=0,r._noLongerVisible.forEach(function(t){var e,i=r._itemMap.get(t);i&&i.texture()?null!=(e=r._previouslyVisible.add(t))&&r._evicted.push(e):i&&r._unloadTile(t)}),r._evicted.forEach(function(t){r._pinMap.has(t)||r._unloadTile(t)}),r._newVisible.forEach(function(t){r._itemMap.get(t)||r._loadTile(t)});var t=r._visible;r._visible=r._newVisible,r._newVisible=t,r._newVisible.clear(),r._noLongerVisible.length=0,r._visibleAgain.length=0,r._evicted.length=0},b.prototype._loadTile=function(t){if(this._itemMap.has(t))throw new Error("TextureStore: loading texture already in cache");var e=new w(this,t);this._itemMap.set(t,e)},b.prototype._unloadTile=function(t){t=this._itemMap.del(t);if(!t)throw new Error("TextureStore: unloading texture not in cache");t.destroy()},b.prototype.asset=function(t){t=this._itemMap.get(t);return t?t.asset():null},b.prototype.texture=function(t){t=this._itemMap.get(t);return t?t.texture():null},b.prototype.pin=function(t){var e=(this._pinMap.get(t)||0)+1;return this._pinMap.set(t,e),this._itemMap.has(t)||this._loadTile(t),e},b.prototype.unpin=function(t){var e=this._pinMap.get(t);if(!e)throw new Error("TextureStore: unpin when not pinned");return 0<--e?this._pinMap.set(t,e):(this._pinMap.del(t),this._visible.has(t)||this._previouslyVisible.has(t)||this._unloadTile(t)),e},b.prototype.query=function(t){var e=this._itemMap.get(t),i=this._pinMap.get(t)||0;return{visible:this._visible.has(t),previouslyVisible:this._previouslyVisible.has(t),hasAsset:null!=e&&null!=e.asset(),hasTexture:null!=e&&null!=e.texture(),pinned:0!==i,pinCount:i}},e.exports=b},{"./collections/LruSet":29,"./collections/Map":30,"./collections/Set":31,"./util/chain":74,"./util/clearOwnProperties":76,"./util/defaults":81,"./util/inherits":89,"./util/retry":99,"minimal-event-emitter":14}],22:[function(t,e,i){"use strict";var r=t("./collections/Set");function n(){this._stack=[],this._visited=new r,this._vertices=null}n.prototype.search=function(t,e,i){var r=this._stack,n=this._visited,o=this._vertices,s=0;for(this._clear(),r.push(e);0<r.length;){var a=r.pop();if(!n.has(a)&&t.intersects(a.vertices(o))){n.add(a);for(var h=a.neighbors(),u=0;u<h.length;u++)r.push(h[u]);i.push(a),s++}}return this._vertices=o,this._clear(),s},n.prototype._clear=function(){this._stack.length=0,this._visited.clear()},e.exports=n},{"./collections/Set":31}],23:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./util/defaults"),o=t("./util/now"),s={duration:1/0};function a(t){t=n(t||{},s),this._duration=t.duration,this._startTime=null,this._handle=null,this._check=this._check.bind(this)}r(a),a.prototype.start=function(){this._startTime=o(),null==this._handle&&this._duration<1/0&&this._setup(this._duration)},a.prototype.started=function(){return null!=this._startTime},a.prototype.stop=function(){(this._startTime=null)!=this._handle&&(clearTimeout(this._handle),this._handle=null)},a.prototype._setup=function(t){this._handle=setTimeout(this._check,t)},a.prototype._teardown=function(){clearTimeout(this._handle),this._handle=null},a.prototype._check=function(){var t=o()-this._startTime,t=this._duration-t;this._teardown(),t<=0?(this.emit("timeout"),this._startTime=null):t<1/0&&this._setup(t)},a.prototype.duration=function(){return this._duration},a.prototype.setDuration=function(t){this._duration=t,null!=this._startTime&&this._check()},e.exports=a},{"./util/defaults":81,"./util/now":93,"minimal-event-emitter":14}],24:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./RenderLoop"),o=t("./controls/Controls"),s=t("./Scene"),a=t("./Timer"),h=t("./stages/WebGl"),u=t("./controls/ControlCursor"),l=t("./controls/HammerGestures"),c=t("./controls/registerDefaultControls"),p=t("./renderers/registerDefaultRenderers"),f=t("./util/dom").setOverflowHidden,d=t("./util/dom").setAbsolute,m=t("./util/dom").setFullSize,v=t("./util/tween"),_=t("./util/noop"),y=t("./util/clearOwnProperties");function g(t,e){e=e||{},this._domElement=t,f(t),this._stage=new h(e.stage),p(this._stage),this._domElement.appendChild(this._stage.domElement()),this._controlContainer=document.createElement("div"),d(this._controlContainer),m(this._controlContainer),t.appendChild(this._controlContainer),this._size={},this.updateSize(),this._updateSizeListener=this.updateSize.bind(this),window.addEventListener("resize",this._updateSizeListener),this._renderLoop=new n(this._stage),this._controls=new o,this._controlMethods=c(this._controls,this._controlContainer,e.controls),this._controls.attach(this._renderLoop),this._hammerManagerTouch=l.get(this._controlContainer,"touch"),this._hammerManagerMouse=l.get(this._controlContainer,"mouse"),this._dragCursor=new u(this._controls,"mouseViewDrag",t,e.cursors&&e.cursors.drag||{}),this._renderLoop.start(),this._scenes=[],this._currentScene=null,this._replacedScene=null,this._cancelCurrentTween=null,this._layerChangeHandler=this._updateSceneLayers.bind(this),this._viewChangeHandler=this.emit.bind(this,"viewChange"),this._idleTimer=new a,this._idleTimer.start(),this._resetIdleTimerHandler=this._resetIdleTimer.bind(this),this.addEventListener("viewChange",this._resetIdleTimerHandler),this._triggerIdleTimerHandler=this._triggerIdleTimer.bind(this),this._idleTimer.addEventListener("timeout",this._triggerIdleTimerHandler),this._stopMovementHandler=this.stopMovement.bind(this),this._controls.addEventListener("active",this._stopMovementHandler),this.addEventListener("sceneChange",this._stopMovementHandler),this._idleMovement=null}r(g),g.prototype.destroy=function(){for(var t in window.removeEventListener("resize",this._updateSizeListener),this._currentScene&&this._removeSceneEventListeners(this._currentScene),this._replacedScene&&this._removeSceneEventListeners(this._replacedScene),this._dragCursor.destroy(),this._controlMethods)this._controlMethods[t].destroy();for(;this._scenes.length;)this.destroyScene(this._scenes[0]);this._domElement.removeChild(this._stage.domElement()),this._stage.destroy(),this._renderLoop.destroy(),this._controls.destroy(),this._controls=null,this._cancelCurrentTween&&this._cancelCurrentTween(),y(this)},g.prototype.updateSize=function(){var t=this._size;t.width=this._domElement.clientWidth,t.height=this._domElement.clientHeight,this._stage.setSize(t)},g.prototype.stage=function(){return this._stage},g.prototype.renderLoop=function(){return this._renderLoop},g.prototype.controls=function(){return this._controls},g.prototype.domElement=function(){return this._domElement},g.prototype.createScene=function(t){t=t||{};var e=this.createEmptyScene({view:t.view});return e.createLayer({source:t.source,geometry:t.geometry,pinFirstLevel:t.pinFirstLevel,textureStoreOpts:t.textureStoreOpts,layerOpts:t.layerOpts}),e},g.prototype.createEmptyScene=function(t){t=new s(this,(t=t||{}).view);return this._scenes.push(t),t},g.prototype._updateSceneLayers=function(){var t,e,i=this._stage,r=this._currentScene,n=this._replacedScene,o=i.listLayers(),s=[];if(n&&(s=s.concat(n.listLayers())),r&&(s=s.concat(r.listLayers())),1!==Math.abs(o.length-s.length))throw new Error("Stage and scene out of sync");if(s.length<o.length)for(t=0;t<o.length;t++)if(e=o[t],s.indexOf(e)<0){this._removeLayerFromStage(e);break}if(s.length>o.length)for(t=0;t<s.length;t++)e=s[t],o.indexOf(e)<0&&this._addLayerToStage(e,t)},g.prototype._addLayerToStage=function(t,e){t.pinFirstLevel(),this._stage.addLayer(t,e)},g.prototype._removeLayerFromStage=function(t){this._stage.removeLayer(t),t.unpinFirstLevel(),t.textureStore().clearNotPinned()},g.prototype._addSceneEventListeners=function(t){t.addEventListener("layerChange",this._layerChangeHandler),t.addEventListener("viewChange",this._viewChangeHandler)},g.prototype._removeSceneEventListeners=function(t){t.removeEventListener("layerChange",this._layerChangeHandler),t.removeEventListener("viewChange",this._viewChangeHandler)},g.prototype.destroyScene=function(t){var e,i,r=this._scenes.indexOf(t);if(r<0)throw new Error("No such scene in viewer");if(this._currentScene===t){for(this._removeSceneEventListeners(t),i=t.listLayers(),e=0;e<i.length;e++)this._removeLayerFromStage(i[e]);this._cancelCurrentTween&&(this._cancelCurrentTween(),this._cancelCurrentTween=null),this._currentScene=null,this.emit("sceneChange")}if(this._replacedScene===t){for(this._removeSceneEventListeners(t),i=t.listLayers(),e=0;e<i.length;e++)this._removeLayerFromStage(i[e]);this._replacedScene=null}this._scenes.splice(r,1),t.destroy()},g.prototype.destroyAllScenes=function(){for(;0<this._scenes.length;)this.destroyScene(this._scenes[0])},g.prototype.hasScene=function(t){return 0<=this._scenes.indexOf(t)},g.prototype.listScenes=function(){return[].concat(this._scenes)},g.prototype.scene=function(){return this._currentScene},g.prototype.view=function(){var t=this._currentScene;return t?t.view():null},g.prototype.lookTo=function(t,e,i){var r=this._currentScene;r&&r.lookTo(t,e,i)},g.prototype.startMovement=function(t,e){var i=this._currentScene;i&&i.startMovement(t,e)},g.prototype.stopMovement=function(){var t=this._currentScene;t&&t.stopMovement()},g.prototype.movement=function(){var t=this._currentScene;if(t)return t.movement()},g.prototype.setIdleMovement=function(t,e){this._idleTimer.setDuration(t),this._idleMovement=e},g.prototype.breakIdleMovement=function(){this.stopMovement(),this._resetIdleTimer()},g.prototype._resetIdleTimer=function(){this._idleTimer.start()},g.prototype._triggerIdleTimer=function(){var t=this._idleMovement;t&&this.startMovement(t)};function w(e,t,i){t.listLayers().forEach(function(t){t.mergeEffects({opacity:e})}),t._hotspotContainer.domElement().style.opacity=e}g.prototype.switchScene=function(e,t,i){var r=this;t=t||{},i=i||_;var n=this._stage,o=this._currentScene;if(o!==e){if(this._scenes.indexOf(e)<0)throw new Error("No such scene in viewer");this._cancelCurrentTween&&(this._cancelCurrentTween(),this._cancelCurrentTween=null);var s=o?o.listLayers():[],a=e.listLayers(),n=n.listLayers();if(o&&(n.length!==s.length||1<n.length&&n[0]!=s[0]))throw new Error("Stage not in sync with viewer");for(var n=null!=t.transitionDuration?t.transitionDuration:1e3,h=null!=t.transitionUpdate?t.transitionUpdate:w,u=0;u<a.length;u++)this._addLayerToStage(a[u]);this._cancelCurrentTween=v(n,function(t){h(t,e,o)},function(){if(r._replacedScene){r._removeSceneEventListeners(r._replacedScene),s=r._replacedScene.listLayers();for(var t=0;t<s.length;t++)r._removeLayerFromStage(s[t]);r._replacedScene=null}r._cancelCurrentTween=null,i()}),this._currentScene=e,this._replacedScene=o,this.emit("sceneChange"),this.emit("viewChange"),this._addSceneEventListeners(e)}else i()},e.exports=g},{"./RenderLoop":19,"./Scene":20,"./Timer":23,"./controls/ControlCursor":36,"./controls/Controls":37,"./controls/HammerGestures":41,"./controls/registerDefaultControls":47,"./renderers/registerDefaultRenderers":61,"./stages/WebGl":70,"./util/clearOwnProperties":76,"./util/dom":85,"./util/noop":92,"./util/tween":100,"minimal-event-emitter":14}],25:[function(t,e,i){"use strict";var r=t("./Static"),n=t("../util/inherits"),o=t("minimal-event-emitter"),s=t("../util/clearOwnProperties");function a(t){this.constructor.super_.call(this,t),this._timestamp=0}n(a,r),o(a),a.prototype.destroy=function(){s(this)},a.prototype.timestamp=function(){return this._timestamp},a.prototype.isDynamic=function(){return!0},a.prototype.markDirty=function(){this._timestamp++,this.emit("change")},e.exports=a},{"../util/clearOwnProperties":76,"../util/inherits":89,"./Static":26,"minimal-event-emitter":14}],26:[function(t,e,i){"use strict";var r=t("../util/global"),n=t("minimal-event-emitter"),o=t("../util/clearOwnProperties"),s={HTMLImageElement:["naturalWidth","naturalHeight"],HTMLCanvasElement:["width","height"],ImageBitmap:["width","height"]};function a(t){var e,i=!1;for(e in s)if(r[e]&&t instanceof r[e]){i=!0,this._widthProp=s[e][0],this._heightProp=s[e][1];break}if(!i)throw new Error("Unsupported pixel source");this._element=t}n(a),a.prototype.destroy=function(){o(this)},a.prototype.element=function(){return this._element},a.prototype.width=function(){return this._element[this._widthProp]},a.prototype.height=function(){return this._element[this._heightProp]},a.prototype.timestamp=function(){return 0},a.prototype.isDynamic=function(){return!1},e.exports=a},{"../util/clearOwnProperties":76,"../util/global":87,"minimal-event-emitter":14}],27:[function(t,e,i){"use strict";var r=t("./util/defaults"),n={yawSpeed:.1,pitchSpeed:.1,fovSpeed:.1,yawAccel:.01,pitchAccel:.01,fovAccel:.01,targetPitch:0,targetFov:null};e.exports=function(t){var p=(t=r(t||{},n)).yawSpeed,f=t.pitchSpeed,d=t.fovSpeed,m=t.yawAccel,v=t.pitchAccel,_=t.fovAccel,y=t.targetPitch,g=t.targetFov;return function(){var r,n,o,s=0,a=0,h=0,u=0,l=0,c=0;return function(t,e){var i;return o=(e-s)/1e3,r=Math.min(a+o*m,p),n=r*o,t.yaw=t.yaw+n,null!=y&&t.pitch!==y&&(i=.5*h*h/v,l=Math.abs(y-t.pitch)>i?Math.min(h+o*v,f):Math.max(h-o*v,0),n=l*o,y<t.pitch&&(t.pitch=Math.max(y,t.pitch-n)),y>t.pitch&&(t.pitch=Math.min(y,t.pitch+n))),null!=g&&t.fov!==y&&(i=.5*u*u/_,c=Math.abs(g-t.fov)>i?Math.min(u+o*_,d):Math.max(u-o*_,0),o=c*o,g<t.fov&&(t.fov=Math.max(g,t.fov-o)),g>t.fov&&(t.fov=Math.min(g,t.fov+o))),s=e,a=r,h=l,u=c,t}}}},{"./util/defaults":81}],28:[function(t,e,i){"use strict";var r=t("../util/mod");function n(t){if(!isFinite(t)||Math.floor(t)!==t||t<0)throw new Error("LruMap: invalid 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e=0;e<this._size;e++)if(t.equals(this._keys[this._index(e)]))return!0;return!1},n.prototype.size=function(){return this._size},n.prototype.clear=function(){this._keys.length=0,this._values.length=0,this._start=0,this._size=0},n.prototype.forEach=function(t){for(var e=0,i=0;i<this._size;i++)t(this._keys[this._index(i)],this._values[this._index(i)]),e+=1;return e},e.exports=n},{"../util/mod":91}],29:[function(t,e,i){"use strict";var r=t("../util/mod");function n(t){if(!isFinite(t)||Math.floor(t)!==t||t<0)throw new Error("LruSet: invalid capacity");this._capacity=t,this._elements=new Array(this._capacity),this._start=0,this._size=0}n.prototype._index=function(t){return r(this._start+t,this._capacity)},n.prototype.add=function(t){if(0===this._capacity)return t;this.remove(t);var e=this._size===this._capacity?this._elements[this._index(0)]:null;return this._elements[this._index(this._size)]=t,this._size<this._capacity?this._size++:this._start=this._index(1),e},n.prototype.remove=function(t){for(var e=0;e<this._size;e++){var i=this._elements[this._index(e)];if(t.equals(i)){for(var r=e;r<this._size-1;r++)this._elements[this._index(r)]=this._elements[this._index(r+1)];return this._size--,i}}return null},n.prototype.has=function(t){for(var e=0;e<this._size;e++)if(t.equals(this._elements[this._index(e)]))return!0;return!1},n.prototype.size=function(){return this._size},n.prototype.clear=function(){this._elements.length=0,this._start=0,this._size=0},n.prototype.forEach=function(t){for(var e=0,i=0;i<this._size;i++)t(this._elements[this._index(i)]),e+=1;return e},e.exports=n},{"../util/mod":91}],30:[function(t,e,i){"use strict";var a=t("../util/mod");function r(t){if(null!=t&&(!isFinite(t)||Math.floor(t)!==t||t<1))throw new Error("Map: invalid capacity");this._capacity=t||64,this._keyBuckets=[],this._valBuckets=[];for(var e=0;e<this._capacity;e++)this._keyBuckets.push([]),this._valBuckets.push([]);this._size=0}r.prototype.get=function(t){for(var e=a(t.hash(),this._capacity),i=this._keyBuckets[e],r=0;r<i.length;r++){var n=i[r];if(t.equals(n))return this._valBuckets[e][r]}return null},r.prototype.set=function(t,e){for(var i=a(t.hash(),this._capacity),r=this._keyBuckets[i],n=this._valBuckets[i],o=0;o<r.length;o++){var s=r[o];if(t.equals(s)){s=n[o];return r[o]=t,n[o]=e,s}}return r.push(t),n.push(e),this._size++,null},r.prototype.del=function(t){for(var e=a(t.hash(),this._capacity),i=this._keyBuckets[e],r=this._valBuckets[e],n=0;n<i.length;n++){var o=i[n];if(t.equals(o)){for(var o=r[n],s=n;s<i.length-1;s++)i[s]=i[s+1],r[s]=r[s+1];return i.length=i.length-1,r.length=r.length-1,this._size--,o}}return null},r.prototype.has=function(t){for(var e=a(t.hash(),this._capacity),i=this._keyBuckets[e],r=0;r<i.length;r++){var n=i[r];if(t.equals(n))return!0}return!1},r.prototype.size=function(){return this._size},r.prototype.clear=function(){for(var t=0;t<this._capacity;t++)this._keyBuckets[t].length=0,this._valBuckets[t].length=0;this._size=0},r.prototype.forEach=function(t){for(var e=0,i=0;i<this._capacity;i++)for(var r=this._keyBuckets[i],n=this._valBuckets[i],o=0;o<r.length;o++)t(r[o],n[o]),e+=1;return e},e.exports=r},{"../util/mod":91}],31:[function(t,e,i){"use strict";var s=t("../util/mod");function r(t){if(null!=t&&(!isFinite(t)||Math.floor(t)!==t||t<1))throw new Error("Set: invalid capacity");this._capacity=this._capacity||64,this._buckets=[];for(var e=0;e<this._capacity;e++)this._buckets.push([]);this._size=0}r.prototype.add=function(t){for(var e=s(t.hash(),this._capacity),i=this._buckets[e],r=0;r<i.length;r++){var n=i[r];if(t.equals(n))return i[r]=t,n}return i.push(t),this._size++,null},r.prototype.remove=function(t){for(var e=s(t.hash(),this._capacity),i=this._buckets[e],r=0;r<i.length;r++){var n=i[r];if(t.equals(n)){for(var o=r;o<i.length-1;o++)i[o]=i[o+1];return i.length=i.length-1,this._size--,n}}return null},r.prototype.has=function(t){for(var e=s(t.hash(),this._capacity),i=this._buckets[e],r=0;r<i.length;r++){var n=i[r];if(t.equals(n))return!0}return!1},r.prototype.size=function(){return this._size},r.prototype.clear=function(){for(var t=0;t<this._capacity;t++)this._buckets[t].length=0;this._size=0},r.prototype.forEach=function(t){for(var e=0,i=0;i<this._capacity;i++)for(var r=this._buckets[i],n=0;n<r.length;n++)t(r[n]),e+=1;return e},e.exports=r},{"../util/mod":91}],32:[function(t,e,i){"use strict";var r=t("./WorkQueue"),n=t("../util/mod");function o(t){this._concurrency=t&&t.concurrency||1,this._paused=t&&!!t.paused||!1,this._pool=[];for(var e=0;e<this._concurrency;e++)this._pool.push(new r(t));this._next=0}o.prototype.length=function(){for(var t=0,e=0;e<this._pool.length;e++)t+=this._pool[e].length();return t},o.prototype.push=function(t,e){var i=this._next,e=this._pool[i].push(t,e);return this._next=n(this._next+1,this._concurrency),e},o.prototype.pause=function(){if(!this._paused){this._paused=!0;for(var t=0;t<this._concurrency;t++)this._pool[t].pause()}},o.prototype.resume=function(){if(this._paused){this._paused=!1;for(var t=0;t<this._concurrency;t++)this._pool[t].resume()}},e.exports=o},{"../util/mod":91,"./WorkQueue":33}],33:[function(t,e,i){"use strict";var r=t("../util/now");function n(t,e){this.fn=t,this.cb=e,this.cfn=null}function o(t){this._queue=[],this._delay=t&&t.delay||0,this._paused=t&&!!t.paused||!1,this._currentTask=null,this._lastFinished=null}o.prototype.length=function(){return this._queue.length},o.prototype.push=function(t,e){t=new n(t,e),e=this._cancel.bind(this,t);return this._queue.push(t),this._next(),e},o.prototype.pause=function(){this._paused||(this._paused=!0)},o.prototype.resume=function(){this._paused&&(this._paused=!1,this._next())},o.prototype._start=function(t){if(this._currentTask)throw new Error("WorkQueue: called start while running task");this._currentTask=t;var e=this._finish.bind(this,t);if(t.cfn=t.fn(e),"function"!=typeof t.cfn)throw new Error("WorkQueue: function is not cancellable")},o.prototype._finish=function(t){var e=Array.prototype.slice.call(arguments,1);if(this._currentTask!==t)throw new Error("WorkQueue: called finish on wrong task");t.cb.apply(null,e),this._currentTask=null,this._lastFinished=r(),this._next()},o.prototype._cancel=function(t){var e,i=Array.prototype.slice.call(arguments,1);this._currentTask===t?t.cfn.apply(null,i):0<=(e=this._queue.indexOf(t))&&(this._queue.splice(e,1),t.cb.apply(null,i))},o.prototype._next=function(){if(!this._paused&&this._queue.length&&!this._currentTask){if(null!=this._lastFinished){var t=r()-this._lastFinished,t=this._delay-t;if(0<t)return void setTimeout(this._next.bind(this),t)}t=this._queue.shift();this._start(t)}},e.exports=o},{"../util/now":93}],34:[function(t,e,i){"use strict";var h=t("gl-matrix").vec4,r=t("gl-matrix").mat4;function s(t,e,i){var r,n,o,s,a;r=i,n=t,o=e.colorMatrix,s=n[0],a=n[1],t=n[2],n=n[3],r[0]=o[0]*s+o[1]*a+o[2]*t+o[3]*n,r[1]=o[4]*s+o[5]*a+o[6]*t+o[7]*n,r[2]=o[8]*s+o[9]*a+o[10]*t+o[11]*n,r[3]=o[12]*s+o[13]*a+o[14]*t+o[15]*n,h.add(i,i,e.colorOffset)}var a=h.create();e.exports={identity:function(t){return(t=t||{}).colorOffset=t.colorOffset||h.create(),t.colorMatrix=t.colorMatrix||r.create(),t},applyToPixel:s,applyToImageData:function(t,e){for(var i=t.width,r=t.height,n=t.data,o=0;o<i*r;o++)h.set(a,n[4*o+0]/255,n[4*o+1]/255,n[4*o+2]/255,n[4*o+3]/255),s(a,e,a),n[4*o+0]=255*a[0],n[4*o+1]=255*a[1],n[4*o+2]=255*a[2],n[4*o+3]=255*a[3]}}},{"gl-matrix":3}],35:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("../util/now"),s=t("../util/clearOwnProperties");function a(t){t=t||{},this._methods=[],this._parameters=["x","y","axisScaledX","axisScaledY","zoom","yaw","pitch","roll"],this._now=t.nowForTesting||o,this._composedOffsets={},this._composeReturn={offsets:this._composedOffsets,changing:null}}r(a),a.prototype.add=function(t){var e,i,r;this.has(t)||(e={},this._parameters.forEach(function(t){e[t]={dynamics:new n,time:null}}),i=this._updateDynamics.bind(this,e),r={instance:t,dynamics:e,parameterDynamicsHandler:i},t.addEventListener("parameterDynamics",i),this._methods.push(r))},a.prototype.remove=function(t){t=this._indexOfInstance(t);0<=t&&(t=this._methods.splice(t,1)[0]).instance.removeEventListener("parameterDynamics",t.parameterDynamicsHandler)},a.prototype.has=function(t){return 0<=this._indexOfInstance(t)},a.prototype._indexOfInstance=function(t){for(var e=0;e<this._methods.length;e++)if(this._methods[e].instance===t)return e;return-1},a.prototype.list=function(){for(var t=[],e=0;e<this._methods.length;e++)t.push(this._methods[e].instance);return t},a.prototype._updateDynamics=function(t,e,i){t=t[e];if(!t)throw new Error("Unknown control parameter "+e);e=this._now();t.dynamics.update(i,(e-t.time)/1e3),t.time=e,this.emit("change")},a.prototype._resetComposedOffsets=function(){for(var t=0;t<this._parameters.length;t++)this._composedOffsets[this._parameters[t]]=0},a.prototype.offsets=function(){var t,e=!1,i=this._now();this._resetComposedOffsets();for(var r=0;r<this._methods.length;r++)for(var n=this._methods[r].dynamics,o=0;o<this._parameters.length;o++){var s=n[t=this._parameters[o]],a=s.dynamics;null!=a.offset&&(this._composedOffsets[t]+=a.offset,a.offset=null);var h=(i-s.time)/1e3,u=a.offsetFromVelocity(h);u&&(this._composedOffsets[t]+=u);h=a.velocityAfter(h);(a.velocity=h)&&(e=!0),s.time=i}return this._composeReturn.changing=e,this._composeReturn},a.prototype.destroy=function(){for(var t=this.list(),e=0;e<t.length;e++)this.remove(t[e]);s(this)},e.exports=a},{"../util/clearOwnProperties":76,"../util/now":93,"./Dynamics":39,"minimal-event-emitter":14}],36:[function(t,e,i){"use strict";var n=t("../util/defaults"),r=t("../util/clearOwnProperties"),o={active:"move",inactive:"default",disabled:"default"};function s(t,e,i,r){r=n(r||{},o),this._element=i,this._controls=t,this._id=e,this._attached=!1,this._setActiveCursor=this._setCursor.bind(this,r.active),this._setInactiveCursor=this._setCursor.bind(this,r.inactive),this._setDisabledCursor=this._setCursor.bind(this,r.disabled),this._setOriginalCursor=this._setCursor.bind(this,this._element.style.cursor),this._updateAttachmentHandler=this._updateAttachment.bind(this),t.addEventListener("methodEnabled",this._updateAttachmentHandler),t.addEventListener("methodDisabled",this._updateAttachmentHandler),t.addEventListener("enabled",this._updateAttachmentHandler),t.addEventListener("disabled",this._updateAttachmentHandler),this._updateAttachment()}s.prototype.destroy=function(){this._detachFromControlMethod(this._controls.method(this._id)),this._setOriginalCursor(),this._controls.removeEventListener("methodEnabled",this._updateAttachmentHandler),this._controls.removeEventListener("methodDisabled",this._updateAttachmentHandler),this._controls.removeEventListener("enabled",this._updateAttachmentHandler),this._controls.removeEventListener("disabled",this._updateAttachmentHandler),r(this)},s.prototype._updateAttachment=function(){var t=this._controls,e=this._id;t.enabled()&&t.method(e).enabled?this._attachToControlMethod(t.method(e)):this._detachFromControlMethod(t.method(e))},s.prototype._attachToControlMethod=function(t){this._attached||(t.instance.addEventListener("active",this._setActiveCursor),t.instance.addEventListener("inactive",this._setInactiveCursor),t.active?this._setActiveCursor():this._setInactiveCursor(),this._attached=!0)},s.prototype._detachFromControlMethod=function(t){this._attached&&(t.instance.removeEventListener("active",this._setActiveCursor),t.instance.removeEventListener("inactive",this._setInactiveCursor),this._setDisabledCursor(),this._attached=!1)},s.prototype._setCursor=function(t){this._element.style.cursor=t},e.exports=s},{"../util/clearOwnProperties":76,"../util/defaults":81}],37:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Composer"),o=t("../util/clearOwnProperties"),s="undefined"!=typeof MARZIPANODEBUG&&MARZIPANODEBUG.controls;function a(t){t=t||{},this._methods={},this._methodGroups={},this._composer=new n,this._enabled=!t||!t.enabled||!!t.enabled,this._activeCount=0,this.updatedViews_=[],this._attachedRenderLoop=null}r(a),a.prototype.destroy=function(){this.detach(),this._composer.destroy(),o(this)},a.prototype.methods=function(){var t,e={};for(t in this._methods)e[t]=this._methods[t];return e},a.prototype.method=function(t){return this._methods[t]},a.prototype.registerMethod=function(t,e,i){if(this._methods[t])throw new Error("Control method already registered with id "+t);this._methods[t]={instance:e,enabled:!1,active:!1,activeHandler:this._handleActive.bind(this,t),inactiveHandler:this._handleInactive.bind(this,t)},i&&this.enableMethod(t,e)},a.prototype.unregisterMethod=function(t){var e=this._methods[t];if(!e)throw new Error("No control method registered with id "+t);e.enabled&&this.disableMethod(t),delete this._methods[t]},a.prototype.enableMethod=function(t){var e=this._methods[t];if(!e)throw new Error("No control method registered with id "+t);e.enabled||(e.enabled=!0,e.active&&this._incrementActiveCount(),this._listen(t),this._updateComposer(),this.emit("methodEnabled",t))},a.prototype.disableMethod=function(t){var e=this._methods[t];if(!e)throw new Error("No control method registered with id "+t);e.enabled&&(e.enabled=!1,e.active&&this._decrementActiveCount(),this._unlisten(t),this._updateComposer(),this.emit("methodDisabled",t))},a.prototype.addMethodGroup=function(t,e){this._methodGroups[t]=e},a.prototype.removeMethodGroup=function(t){delete this._methodGroups[t]},a.prototype.methodGroups=function(){var t,e={};for(t in this._methodGroups)e[t]=this._methodGroups[t];return e},a.prototype.enableMethodGroup=function(t){var e=this;e._methodGroups[t].forEach(function(t){e.enableMethod(t)})},a.prototype.disableMethodGroup=function(t){var e=this;e._methodGroups[t].forEach(function(t){e.disableMethod(t)})},a.prototype.enabled=function(){return this._enabled},a.prototype.enable=function(){this._enabled||(this._enabled=!0,0<this._activeCount&&this.emit("active"),this.emit("enabled"),this._updateComposer())},a.prototype.disable=function(){this._enabled&&(this._enabled=!1,0<this._activeCount&&this.emit("inactive"),this.emit("disabled"),this._updateComposer())},a.prototype.attach=function(t){this._attachedRenderLoop&&this.detach(),this._attachedRenderLoop=t,this._beforeRenderHandler=this._updateViewsWithControls.bind(this),this._changeHandler=t.renderOnNextFrame.bind(t),this._attachedRenderLoop.addEventListener("beforeRender",this._beforeRenderHandler),this._composer.addEventListener("change",this._changeHandler)},a.prototype.detach=function(){this._attachedRenderLoop&&(this._attachedRenderLoop.removeEventListener("beforeRender",this._beforeRenderHandler),this._composer.removeEventListener("change",this._changeHandler),this._beforeRenderHandler=null,this._changeHandler=null,this._attachedRenderLoop=null)},a.prototype.attached=function(){return null!=this._attachedRenderLoop},a.prototype._listen=function(t){t=this._methods[t];if(!t)throw new Error("Bad method id");t.instance.addEventListener("active",t.activeHandler),t.instance.addEventListener("inactive",t.inactiveHandler)},a.prototype._unlisten=function(t){t=this._methods[t];if(!t)throw new Error("Bad method id");t.instance.removeEventListener("active",t.activeHandler),t.instance.removeEventListener("inactive",t.inactiveHandler)},a.prototype._handleActive=function(t){t=this._methods[t];if(!t)throw new Error("Bad method id");if(!t.enabled)throw new Error("Should not receive event from disabled control method");t.active||(t.active=!0,this._incrementActiveCount())},a.prototype._handleInactive=function(t){t=this._methods[t];if(!t)throw new Error("Bad method id");if(!t.enabled)throw new Error("Should not receive event from disabled control method");t.active&&(t.active=!1,this._decrementActiveCount())},a.prototype._incrementActiveCount=function(){this._activeCount++,s&&this._checkActiveCount(),this._enabled&&1===this._activeCount&&this.emit("active")},a.prototype._decrementActiveCount=function(){this._activeCount--,s&&this._checkActiveCount(),this._enabled&&0===this._activeCount&&this.emit("inactive")},a.prototype._checkActiveCount=function(){var t,e=0;for(t in this._methods){var i=this._methods[t];i.enabled&&i.active&&e++}if(e!=this._activeCount)throw new Error("Bad control state")},a.prototype._updateComposer=function(){var t,e=this._composer;for(t in this._methods){var i=this._methods[t],r=this._enabled&&i.enabled;r&&!e.has(i.instance)&&e.add(i.instance),!r&&e.has(i.instance)&&e.remove(i.instance)}},a.prototype._updateViewsWithControls=function(){var t=this._composer.offsets();t.changing&&this._attachedRenderLoop.renderOnNextFrame(),this.updatedViews_.length=0;for(var e=this._attachedRenderLoop.stage().listLayers(),i=0;i<e.length;i++){var r=e[i].view();this.updatedViews_.indexOf(r)<0&&(e[i].view().updateWithControlParameters(t.offsets),this.updatedViews_.push(r))}},e.exports=a},{"../util/clearOwnProperties":76,"./Composer":35,"minimal-event-emitter":14}],38:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("./HammerGestures"),s=t("../util/defaults"),a=t("./util").maxFriction,h=t("../util/clearOwnProperties"),u={friction:6,maxFrictionTime:.3,hammerEvent:"pan"},l="undefined"!=typeof MARZIPANODEBUG&&MARZIPANODEBUG.controls;function c(t,e,i){if(this._element=t,this._opts=s(i||{},u),this._startEvent=null,this._lastEvent=null,this._active=!1,this._dynamics={x:new n,y:new n},this._hammer=o.get(t,e),this._hammer.on("hammer.input",this._handleHammerEvent.bind(this)),"pan"!=this._opts.hammerEvent&&"pinch"!=this._opts.hammerEvent)throw new Error(this._opts.hammerEvent+" is not a hammerEvent managed in DragControlMethod");this._hammer.on(this._opts.hammerEvent+"start",this._handleStart.bind(this)),this._hammer.on(this._opts.hammerEvent+"move",this._handleMove.bind(this)),this._hammer.on(this._opts.hammerEvent+"end",this._handleEnd.bind(this)),this._hammer.on(this._opts.hammerEvent+"cancel",this._handleEnd.bind(this))}r(c),c.prototype.destroy=function(){this._hammer.release(),h(this)},c.prototype._handleHammerEvent=function(t){if(t.isFirst){if(l&&this._active)throw new Error("DragControlMethod active detected when already active");this._active=!0,this.emit("active")}if(t.isFinal){if(l&&!this._active)throw new Error("DragControlMethod inactive detected when already inactive");this._active=!1,this.emit("inactive")}},c.prototype._handleStart=function(t){t.preventDefault(),this._startEvent=t},c.prototype._handleMove=function(t){t.preventDefault(),this._startEvent&&(this._updateDynamicsMove(t),this.emit("parameterDynamics","axisScaledX",this._dynamics.x),this.emit("parameterDynamics","axisScaledY",this._dynamics.y))},c.prototype._handleEnd=function(t){t.preventDefault(),this._startEvent&&(this._updateDynamicsRelease(t),this.emit("parameterDynamics","axisScaledX",this._dynamics.x),this.emit("parameterDynamics","axisScaledY",this._dynamics.y)),this._startEvent=!1,this._lastEvent=!1},c.prototype._updateDynamicsMove=function(t){var e=t.deltaX,i=t.deltaY,r=this._lastEvent||this._startEvent;r&&(e-=r.deltaX,i-=r.deltaY);r=this._element.getBoundingClientRect();e/=r.right-r.left,i/=r.bottom-r.top,this._dynamics.x.reset(),this._dynamics.y.reset(),this._dynamics.x.offset=-e,this._dynamics.y.offset=-i,this._lastEvent=t};var p=[null,null];c.prototype._updateDynamicsRelease=function(t){var e=this._element.getBoundingClientRect(),i=e.right-e.left,e=e.bottom-e.top,i=1e3*t.velocityX/i,e=1e3*t.velocityY/e;this._dynamics.x.reset(),this._dynamics.y.reset(),this._dynamics.x.velocity=i,this._dynamics.y.velocity=e,a(this._opts.friction,this._dynamics.x.velocity,this._dynamics.y.velocity,this._opts.maxFrictionTime,p),this._dynamics.x.friction=p[0],this._dynamics.y.friction=p[1]},e.exports=c},{"../util/clearOwnProperties":76,"../util/defaults":81,"./Dynamics":39,"./HammerGestures":41,"./util":48,"minimal-event-emitter":14}],39:[function(t,e,i){"use strict";function r(){this.velocity=null,this.friction=null,this.offset=null}r.equals=function(t,e){return t.velocity===e.velocity&&t.friction===e.friction&&t.offset===e.offset},r.prototype.equals=function(t){return r.equals(this,t)},r.prototype.update=function(t,e){t.offset&&(this.offset=this.offset||0,this.offset+=t.offset);e=this.offsetFromVelocity(e);e&&(this.offset=this.offset||0,this.offset+=e),this.velocity=t.velocity,this.friction=t.friction},r.prototype.reset=function(){this.velocity=null,this.friction=null,this.offset=null},r.prototype.velocityAfter=function(t){return this.velocity?this.friction?function(t,e){if(t<0)return Math.min(0,t+e);if(0<t)return Math.max(0,t-e);return 0}(this.velocity,this.friction*t):this.velocity:null},r.prototype.offsetFromVelocity=function(t){t=Math.min(t,this.nullVelocityTime());var e=this.velocityAfter(t);return(this.velocity+e)/2*t},r.prototype.nullVelocityTime=function(){return null==this.velocity?0:this.velocity&&!this.friction?1/0:Math.abs(this.velocity/this.friction)},e.exports=r},{}],40:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("../util/clearOwnProperties");function s(t,e,i,r){if(!t)throw new Error("ElementPressControlMethod: element must be defined");if(!e)throw new Error("ElementPressControlMethod: parameter must be defined");if(!i)throw new Error("ElementPressControlMethod: velocity must be defined");if(!r)throw new Error("ElementPressControlMethod: friction must be defined");this._element=t,this._pressHandler=this._handlePress.bind(this),this._releaseHandler=this._handleRelease.bind(this),t.addEventListener("mousedown",this._pressHandler),t.addEventListener("mouseup",this._releaseHandler),t.addEventListener("mouseleave",this._releaseHandler),t.addEventListener("touchstart",this._pressHandler),t.addEventListener("touchmove",this._releaseHandler),t.addEventListener("touchend",this._releaseHandler),this._parameter=e,this._velocity=i,this._friction=r,this._dynamics=new n,this._pressing=!1}r(s),s.prototype.destroy=function(){this._element.removeEventListener("mousedown",this._pressHandler),this._element.removeEventListener("mouseup",this._releaseHandler),this._element.removeEventListener("mouseleave",this._releaseHandler),this._element.removeEventListener("touchstart",this._pressHandler),this._element.removeEventListener("touchmove",this._releaseHandler),this._element.removeEventListener("touchend",this._releaseHandler),o(this)},s.prototype._handlePress=function(){this._pressing=!0,this._dynamics.velocity=this._velocity,this._dynamics.friction=0,this.emit("parameterDynamics",this._parameter,this._dynamics),this.emit("active")},s.prototype._handleRelease=function(){this._pressing&&(this._dynamics.friction=this._friction,this.emit("parameterDynamics",this._parameter,this._dynamics),this.emit("inactive")),this._pressing=!1},e.exports=s},{"../util/clearOwnProperties":76,"./Dynamics":39,"minimal-event-emitter":14}],41:[function(t,e,i){"use strict";var r=t("hammerjs"),n=1,o="MarzipanoHammerElementId";function s(t,e){return t[o]||(t[o]=n++),e+t[o]}function a(){this._managers={},this._refCount={}}function h(t,e,i,r){this._manager=e,this._element=i,this._type=r,this._hammerGestures=t,this._eventHandlers=[]}a.prototype.get=function(t,e){var i=s(t,e);return this._managers[i]||(this._managers[i]=this._createManager(t,e),this._refCount[i]=0),this._refCount[i]++,new h(this,this._managers[i],t,e)},a.prototype._createManager=function(t,e){t=new r.Manager(t);return"mouse"===e?t.add(new r.Pan({direction:r.DIRECTION_ALL,threshold:0})):"touch"!==e&&"pen"!==e&&"kinect"!==e||(t.add(new r.Pan({direction:r.DIRECTION_ALL,threshold:20,pointers:1})),t.add(new r.Pinch)),t},a.prototype._releaseHandle=function(t,e){e=s(t,e);this._refCount[e]&&(this._refCount[e]--,this._refCount[e]||(this._managers[e].destroy(),delete this._managers[e],delete this._refCount[e]))},h.prototype.on=function(t,e){function i(t){r===t.pointerType&&e(t)}var r=this._type;this._eventHandlers.push({events:t,handler:i}),this._manager.on(t,i)},h.prototype.release=function(){for(var t=0;t<this._eventHandlers.length;t++){var e=this._eventHandlers[t];this._manager.off(e.events,e.handler)}this._hammerGestures._releaseHandle(this._element,this._type),this._manager=null,this._element=null,this._type=null,this._hammerGestures=null},h.prototype.manager=function(){return this._manager},e.exports=new a},{hammerjs:13}],42:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),o=t("./Dynamics"),n=t("../util/clearOwnProperties");function s(t,e,i,r,n){if(!t)throw new Error("KeyControlMethod: keyCode must be defined");if(!e)throw new Error("KeyControlMethod: parameter must be defined");if(!i)throw new Error("KeyControlMethod: velocity must be defined");if(!r)throw new Error("KeyControlMethod: friction must be defined");n=n||document,this._keyCode=t,this._parameter=e,this._velocity=i,this._friction=r,this._element=n,this._keydownHandler=this._handlePress.bind(this),this._keyupHandler=this._handleRelease.bind(this),this._blurHandler=this._handleBlur.bind(this),this._element.addEventListener("keydown",this._keydownHandler),this._element.addEventListener("keyup",this._keyupHandler),window.addEventListener("blur",this._blurHandler),this._dynamics=new o,this._pressing=!1}r(s),s.prototype.destroy=function(){this._element.removeEventListener("keydown",this._keydownHandler),this._element.removeEventListener("keyup",this._keyupHandler),window.removeEventListener("blur",this._blurHandler),n(this)},s.prototype._handlePress=function(t){t.keyCode===this._keyCode&&(this._pressing=!0,this._dynamics.velocity=this._velocity,this._dynamics.friction=0,this.emit("parameterDynamics",this._parameter,this._dynamics),this.emit("active"))},s.prototype._handleRelease=function(t){t.keyCode===this._keyCode&&(this._pressing&&(this._dynamics.friction=this._friction,this.emit("parameterDynamics",this._parameter,this._dynamics),this.emit("inactive")),this._pressing=!1)},s.prototype._handleBlur=function(){this._dynamics.velocity=0,this.emit("parameterDynamics",this._parameter,this._dynamics),this.emit("inactive"),this._pressing=!1},e.exports=s},{"../util/clearOwnProperties":76,"./Dynamics":39,"minimal-event-emitter":14}],43:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("./HammerGestures"),s=t("../util/clearOwnProperties");function a(t,e,i){this._hammer=o.get(t,e),this._lastEvent=null,this._active=!1,this._dynamics=new n,this._hammer.on("pinchstart",this._handleStart.bind(this)),this._hammer.on("pinch",this._handleEvent.bind(this)),this._hammer.on("pinchend",this._handleEnd.bind(this)),this._hammer.on("pinchcancel",this._handleEnd.bind(this))}r(a),a.prototype.destroy=function(){this._hammer.release(),s(this)},a.prototype._handleStart=function(){this._active||(this._active=!0,this.emit("active"))},a.prototype._handleEnd=function(){this._lastEvent=null,this._active&&(this._active=!1,this.emit("inactive"))},a.prototype._handleEvent=function(t){var e=t.scale;this._lastEvent&&(e/=this._lastEvent.scale),this._dynamics.offset=-1*(e-1),this.emit("parameterDynamics","zoom",this._dynamics),this._lastEvent=t},e.exports=a},{"../util/clearOwnProperties":76,"./Dynamics":39,"./HammerGestures":41,"minimal-event-emitter":14}],44:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("./HammerGestures"),s=t("../util/defaults"),a=t("./util").maxFriction,h=t("../util/clearOwnProperties"),u={speed:8,friction:6,maxFrictionTime:.3};function l(t,e,i){this._element=t,this._opts=s(i||{},u),this._active=!1,this._hammer=o.get(t,e),this._dynamics={x:new n,y:new n},this._hammer.on("panstart",this._handleStart.bind(this)),this._hammer.on("panmove",this._handleMove.bind(this)),this._hammer.on("panend",this._handleRelease.bind(this)),this._hammer.on("pancancel",this._handleRelease.bind(this))}r(l),l.prototype.destroy=function(){this._hammer.release(),h(this)},l.prototype._handleStart=function(t){t.preventDefault(),this._active||(this._active=!0,this.emit("active"))},l.prototype._handleMove=function(t){t.preventDefault(),this._updateDynamics(t,!1)},l.prototype._handleRelease=function(t){t.preventDefault(),this._updateDynamics(t,!0),this._active&&(this._active=!1,this.emit("inactive"))};var c=[null,null];l.prototype._updateDynamics=function(t,e){var i=this._element.getBoundingClientRect(),r=i.right-i.left,i=i.bottom-i.top,r=Math.max(r,i),i=t.deltaX/r*this._opts.speed,r=t.deltaY/r*this._opts.speed;this._dynamics.x.reset(),this._dynamics.y.reset(),this._dynamics.x.velocity=i,this._dynamics.y.velocity=r,e&&(a(this._opts.friction,this._dynamics.x.velocity,this._dynamics.y.velocity,this._opts.maxFrictionTime,c),this._dynamics.x.friction=c[0],this._dynamics.y.friction=c[1]),this.emit("parameterDynamics","x",this._dynamics.x),this.emit("parameterDynamics","y",this._dynamics.y)},e.exports=l},{"../util/clearOwnProperties":76,"../util/defaults":81,"./Dynamics":39,"./HammerGestures":41,"./util":48,"minimal-event-emitter":14}],45:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("../util/defaults"),s=t("../util/clearOwnProperties"),a={frictionTime:.2,zoomDelta:.001};function h(t,e){this._element=t,this._opts=o(e||{},a),this._dynamics=new n,this._eventList=[];e=this._opts.frictionTime?this.withSmoothing:this.withoutSmoothing;this._wheelListener=e.bind(this),t.addEventListener("wheel",this._wheelListener)}function u(t){var e=1==t.deltaMode?20:1;return t.deltaY*e}r(h),h.prototype.destroy=function(){this._element.removeEventListener("wheel",this._wheelListener),s(this)},h.prototype.withoutSmoothing=function(t){this._dynamics.offset=u(t)*this._opts.zoomDelta,this.emit("parameterDynamics","zoom",this._dynamics),t.preventDefault(),this.emit("active"),this.emit("inactive")},h.prototype.withSmoothing=function(t){var e=t.timeStamp;for(this._eventList.push(t);this._eventList[0].timeStamp<e-1e3*this._opts.frictionTime;)this._eventList.shift(0);for(var i=0,r=0;r<this._eventList.length;r++)i+=u(this._eventList[r])*this._opts.zoomDelta/this._opts.frictionTime;this._dynamics.velocity=i,this._dynamics.friction=Math.abs(i)/this._opts.frictionTime,this.emit("parameterDynamics","zoom",this._dynamics),t.preventDefault(),this.emit("active"),this.emit("inactive")},e.exports=h},{"../util/clearOwnProperties":76,"../util/defaults":81,"./Dynamics":39,"minimal-event-emitter":14}],46:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),n=t("./Dynamics"),o=t("../util/clearOwnProperties");function s(t){if(!t)throw new Error("VelocityControlMethod: parameter must be defined");this._parameter=t,this._dynamics=new n}r(s),s.prototype.destroy=function(){o(this)},s.prototype.setVelocity=function(t){this._dynamics.velocity=t,this.emit("parameterDynamics",this._parameter,this._dynamics)},s.prototype.setFriction=function(t){this._dynamics.friction=t,this.emit("parameterDynamics",this._parameter,this._dynamics)},e.exports=s},{"../util/clearOwnProperties":76,"./Dynamics":39,"minimal-event-emitter":14}],47:[function(t,e,i){"use strict";var l=t("../util/defaults"),c=t("./Drag"),p=t("./Qtvr"),f=t("./ScrollZoom"),d=t("./PinchZoom"),m=t("./Key"),v={mouseViewMode:"drag",dragMode:"pan"};e.exports=function(t,e,i){i=l(i||{},v);var r={mouseViewDrag:new c(e,"mouse"),mouseViewQtvr:new p(e,"mouse"),leftArrowKey:new m(37,"x",-.7,3),rightArrowKey:new m(39,"x",.7,3),upArrowKey:new m(38,"y",-.7,3),downArrowKey:new m(40,"y",.7,3),plusKey:new m(107,"zoom",-.7,3),minusKey:new m(109,"zoom",.7,3),wKey:new m(87,"y",-.7,3),aKey:new m(65,"x",-.7,3),sKey:new m(83,"y",.7,3),dKey:new m(68,"x",.7,3),qKey:new m(81,"roll",.7,3),eKey:new m(69,"roll",-.7,3)},n=["scrollZoom","touchView","pinch"];!1!==i.scrollZoom&&(r.scrollZoom=new f(e));var o,s,a={arrowKeys:["leftArrowKey","rightArrowKey","upArrowKey","downArrowKey"],plusMinusKeys:["plusKey","minusKey"],wasdKeys:["wKey","aKey","sKey","dKey"],qeKeys:["qKey","eKey"]};switch(i.dragMode){case"pinch":r.pinch=new c(e,"touch",{hammerEvent:"pinch"});break;case"pan":r.touchView=new c(e,"touch"),r.pinch=new d(e,"touch");break;default:throw new Error("Unknown drag mode: "+i.dragMode)}switch(i.mouseViewMode){case"drag":n.push("mouseViewDrag");break;case"qtvr":n.push("mouseViewQtvr");break;default:throw new Error("Unknown mouse view mode: "+i.mouseViewMode)}for(o in r){var h=r[o];t.registerMethod(o,h),0<=n.indexOf(o)&&t.enableMethod(o)}for(s in a){var u=a[s];t.addMethodGroup(s,u)}return r}},{"../util/defaults":81,"./Drag":38,"./Key":42,"./PinchZoom":43,"./Qtvr":44,"./ScrollZoom":45}],48:[function(t,e,i){"use strict";function s(t,e,i,r){t=Math.atan(e/t);r[0]=i*Math.cos(t),r[1]=i*Math.sin(t)}e.exports={maxFriction:function(t,e,i,r,n){var o=Math.sqrt(Math.pow(e,2)+Math.pow(i,2));s(e,i,t=Math.max(t,o/r),n),n[0]=Math.abs(n[0]),n[1]=Math.abs(n[1])},changeVectorNorm:s}},{}],49:[function(t,e,i){"use strict";var r=t("../util/inherits"),n=t("../util/hash"),o=t("../TileSearcher"),s=t("../collections/LruMap"),a=t("./Level"),h=t("./common").makeLevelList,u=t("./common").makeSelectableLevelList,y=t("../util/clamp"),l=t("../util/cmp"),c=t("../util/type"),g=t("gl-matrix").vec3,p=t("gl-matrix").vec4,f="fudlrb",w={f:{x:0,y:0},b:{x:0,y:Math.PI},l:{x:0,y:Math.PI/2},r:{x:0,y:-Math.PI/2},u:{x:Math.PI/2,y:0},d:{x:-Math.PI/2,y:0}},d=g.create();function b(t,e,i,r){e&&g.rotateZ(t,t,d,e),i&&g.rotateX(t,t,d,i),r&&g.rotateY(t,t,d,r)}for(var m={},v=0;v<f.length;v++){var _=f[v],M=w[_],x=g.fromValues(0,0,-1);b(x,0,M.x,M.y),m[_]=x}var E={f:["l","r","u","d"],b:["r","l","u","d"],l:["b","f","u","d"],r:["f","b","u","d"],u:["l","r","b","f"],d:["l","r","f","b"]},T=[[0,1],[1,0],[0,-1],[-1,0]];function P(t,e,i,r,n){this.face=t,this.x=e,this.y=i,this.z=r,this._geometry=n,this._level=n.levelList[r]}function L(t){if(this.constructor.super_.call(this,t),this._size=t.size,this._tileSize=t.tileSize,this._size%this._tileSize!=0)throw new Error("Level size is not multiple of tile size: "+this._size+" "+this._tileSize)}function S(t){if("array"!==c(t))throw new Error("Level list must be an array");this.levelList=h(t,L),this.selectableLevelList=u(this.levelList);for(var e=1;e<this.levelList.length;e++)this.levelList[e]._validateWithParentLevel(this.levelList[e-1]);this._tileSearcher=new o(this),this._neighborsCache=new s(64),this._vec=p.create(),this._viewSize={}}P.prototype.rotX=function(){return w[this.face].x},P.prototype.rotY=function(){return w[this.face].y},P.prototype.centerX=function(){return(this.x+.5)/this._level.numHorizontalTiles()-.5},P.prototype.centerY=function(){return.5-(this.y+.5)/this._level.numVerticalTiles()},P.prototype.scaleX=function(){return 1/this._level.numHorizontalTiles()},P.prototype.scaleY=function(){return 1/this._level.numVerticalTiles()},P.prototype.vertices=function(t){t=t||[g.create(),g.create(),g.create(),g.create()];var r=w[this.face];function e(t,e,i){g.set(t,e,i,-.5),b(t,0,r.x,r.y)}var i=this.centerX()-this.scaleX()/2,n=this.centerX()+this.scaleX()/2,o=this.centerY()-this.scaleY()/2,s=this.centerY()+this.scaleY()/2;return e(t[0],i,s),e(t[1],n,s),e(t[2],n,o),e(t[3],i,o),t},P.prototype.parent=function(){if(0===this.z)return null;var t=this.face,e=this.z,i=this.x,r=this.y,n=this._geometry,o=n.levelList[e],s=n.levelList[e-1];return new P(t,Math.floor(i/o.numHorizontalTiles()*s.numHorizontalTiles()),Math.floor(r/o.numVerticalTiles()*s.numVerticalTiles()),e-1,n)},P.prototype.children=function(t){if(this.z===this._geometry.levelList.length-1)return null;var e=this.face,i=this.z,r=this.x,n=this.y,o=this._geometry,s=o.levelList[i],a=o.levelList[i+1],h=a.numHorizontalTiles()/s.numHorizontalTiles(),u=a.numVerticalTiles()/s.numVerticalTiles();t=t||[];for(var l=0;l<h;l++)for(var c=0;c<u;c++){var p=h*r+l,f=u*n+c,d=i+1;t.push(new P(e,p,f,d,o))}return t},P.prototype.neighbors=function(){var t=this._geometry,e=t._neighborsCache,i=e.get(this);if(i)return i;for(var r=t._vec,n=this.face,o=this.x,s=this.y,a=this.z,i=this._level,h=i.numHorizontalTiles(),u=i.numVerticalTiles(),l=[],c=0;c<T.length;c++){var p,f,d=o+T[c][0],m=s+T[c][1],v=a,_=n;(d<0||h<=d||m<0||u<=m)&&(f=this.centerX(),p=this.centerY(),d<0?(g.set(r,-.5,p,-.5),_=E[n][0]):h<=d?(g.set(r,.5,p,-.5),_=E[n][1]):m<0?(g.set(r,f,.5,-.5),_=E[n][2]):u<=m&&(g.set(r,f,-.5,-.5),_=E[n][3]),b(r,0,(f=w[n]).x,f.y),b(r,0,-(f=w[_]).x,-f.y),d=y(Math.floor((.5+r[0])*h),0,h-1),m=y(Math.floor((.5-r[1])*u),0,u-1)),l.push(new P(_,d,m,v,t))}return e.set(this,l),l},P.prototype.hash=function(){return n(f.indexOf(this.face),this.z,this.y,this.x)},P.prototype.equals=function(t){return this._geometry===t._geometry&&this.face===t.face&&this.z===t.z&&this.y===t.y&&this.x===t.x},P.prototype.cmp=function(t){return l(this.z,t.z)||l(f.indexOf(this.face),f.indexOf(t.face))||l(this.y,t.y)||l(this.x,t.x)},P.prototype.str=function(){return"CubeTile("+tile.face+", "+tile.x+", "+tile.y+", "+tile.z+")"},r(L,a),L.prototype.width=function(){return this._size},L.prototype.height=function(){return this._size},L.prototype.tileWidth=function(){return this._tileSize},L.prototype.tileHeight=function(){return this._tileSize},L.prototype._validateWithParentLevel=function(t){var e=this.width(),i=this.height(),r=this.tileWidth(),n=this.tileHeight(),o=this.numHorizontalTiles(),s=this.numVerticalTiles(),a=t.width(),h=t.height(),u=t.tileWidth(),l=t.tileHeight(),c=t.numHorizontalTiles(),t=t.numVerticalTiles();if(e%a!=0)throw new Error("Level width must be multiple of parent level: "+e+" vs. "+a);if(i%h!=0)throw new Error("Level height must be multiple of parent level: "+i+" vs. "+h);if(o%c!=0)throw new Error("Number of horizontal tiles must be multiple of parent level: "+o+" ("+e+"/"+r+") vs. "+c+" ("+a+"/"+u+")");if(s%t!=0)throw new Error("Number of vertical tiles must be multiple of parent level: "+s+" ("+i+"/"+n+") vs. "+t+" ("+h+"/"+l+")")},S.prototype.maxTileSize=function(){for(var t=0,e=0;e<this.levelList.length;e++)var i=this.levelList[e],t=Math.max(t,i.tileWidth,i.tileHeight);return t},S.prototype.levelTiles=function(t,e){var i=this.levelList.indexOf(t),r=t.numHorizontalTiles()-1,n=t.numVerticalTiles()-1;e=e||[];for(var o=0;o<f.length;o++)for(var s=f[o],a=0;a<=r;a++)for(var h=0;h<=n;h++)e.push(new P(s,a,h,i,this));return e},S.prototype._closestTile=function(t,e){var i=this._vec;p.set(i,0,0,1,1),p.transformMat4(i,i,t.inverseProjection());var r,n=1/0,o=null;for(r in m){var s=m[r],s=1-g.dot(s,i);s<n&&(n=s,o=r)}for(var a=Math.max(Math.abs(i[0]),Math.abs(i[1]),Math.abs(i[2]))/.5,h=0;h<3;h++)i[h]=i[h]/a;var u=w[o];b(i,0,-u.x,-u.y);t=this.levelList.indexOf(e),u=e.numHorizontalTiles(),e=e.numVerticalTiles();return new P(o,y(Math.floor((.5+i[0])*u),0,u-1),y(Math.floor((.5-i[1])*e),0,e-1),t,this)},S.prototype.visibleTiles=function(t,e,i){var r=this._viewSize,n=this._tileSearcher;if(i=i||[],t.size(r),0===r.width||0===r.height)return i;e=this._closestTile(t,e);if(!n.search(t,e,i))throw new Error("Starting tile is not visible");return i},S.Tile=S.prototype.Tile=P,S.type=S.prototype.type="cube",P.type=P.prototype.type="cube",e.exports=S},{"../TileSearcher":22,"../collections/LruMap":28,"../util/clamp":75,"../util/cmp":77,"../util/hash":88,"../util/inherits":89,"../util/type":101,"./Level":52,"./common":53,"gl-matrix":3}],50:[function(t,e,i){"use strict";var r=t("../util/inherits"),n=t("../util/hash"),o=t("../util/cmp"),s=t("./common"),a=t("./Level"),h=t("../util/type");function u(t,e){this.z=t,this._geometry=e,this._level=e.levelList[t]}function l(t){this.constructor.super_.call(this,t),this._width=t.width}function c(t){if("array"!==h(t))throw new Error("Level list must be an array");this.levelList=s.makeLevelList(t,l),this.selectableLevelList=s.makeSelectableLevelList(this.levelList)}u.prototype.rotX=function(){return 0},u.prototype.rotY=function(){return 0},u.prototype.centerX=function(){return.5},u.prototype.centerY=function(){return.5},u.prototype.scaleX=function(){return 1},u.prototype.scaleY=function(){return 1},u.prototype.parent=function(){return 0===this.z?null:new u(this.z-1,this._geometry)},u.prototype.children=function(t){return this.z===this._geometry.levelList.length-1?null:((t=t||[]).push(new u(this.z+1,this._geometry)),t)},u.prototype.neighbors=function(){return[]},u.prototype.hash=function(){return n(this.z)},u.prototype.equals=function(t){return this._geometry===t._geometry&&this.z===t.z},u.prototype.cmp=function(t){return o(this.z,t.z)},u.prototype.str=function(){return"EquirectTile("+tile.z+")"},r(l,a),l.prototype.width=function(){return this._width},l.prototype.height=function(){return this._width/2},l.prototype.tileWidth=function(){return this._width},l.prototype.tileHeight=function(){return this._width/2},c.prototype.maxTileSize=function(){for(var t=0,e=0;e<this.levelList.length;e++)var i=this.levelList[e],t=Math.max(t,i.tileWidth,i.tileHeight);return t},c.prototype.levelTiles=function(t,e){t=this.levelList.indexOf(t);return(e=e||[]).push(new u(t,this)),e},c.prototype.visibleTiles=function(t,e,i){e=new u(this.levelList.indexOf(e),this);(i=i||[]).length=0,i.push(e)},c.Tile=c.prototype.Tile=u,c.type=c.prototype.type="equirect",u.type=u.prototype.type="equirect",e.exports=c},{"../util/cmp":77,"../util/hash":88,"../util/inherits":89,"../util/type":101,"./Level":52,"./common":53}],51:[function(t,e,i){"use strict";var r=t("../util/inherits"),n=t("../util/hash"),o=t("../TileSearcher"),s=t("../collections/LruMap"),a=t("./Level"),h=t("./common").makeLevelList,u=t("./common").makeSelectableLevelList,l=t("../util/clamp"),c=t("../util/mod"),p=t("../util/cmp"),f=t("../util/type"),d=t("gl-matrix").vec2,m=t("gl-matrix").vec4,v=[[0,1],[1,0],[0,-1],[-1,0]];function _(t,e,i,r){this.x=t,this.y=e,this.z=i,this._geometry=r,this._level=r.levelList[i]}function y(t){this.constructor.super_.call(this,t),this._width=t.width,this._height=t.height,this._tileWidth=t.tileWidth,this._tileHeight=t.tileHeight}function g(t){if("array"!==f(t))throw new Error("Level list must be an array");this.levelList=h(t,y),this.selectableLevelList=u(this.levelList);for(var e=1;e<this.levelList.length;e++)this.levelList[e]._validateWithParentLevel(this.levelList[e-1]);this._tileSearcher=new o(this),this._neighborsCache=new s(64),this._vec=m.create(),this._viewSize={}}_.prototype.rotX=function(){return 0},_.prototype.rotY=function(){return 0},_.prototype.centerX=function(){var t=this._level.width(),e=this._level.tileWidth();return(this.x*e+.5*this.width())/t-.5},_.prototype.centerY=function(){var t=this._level.height(),e=this._level.tileHeight();return.5-(this.y*e+.5*this.height())/t},_.prototype.scaleX=function(){var t=this._level.width();return this.width()/t},_.prototype.scaleY=function(){var t=this._level.height();return this.height()/t},_.prototype.width=function(){var t=this._level.width(),e=this._level.tileWidth();return this.x===this._level.numHorizontalTiles()-1&&c(t,e)||e},_.prototype.height=function(){var t=this._level.height(),e=this._level.tileHeight();return this.y===this._level.numVerticalTiles()-1&&c(t,e)||e},_.prototype.levelWidth=function(){return this._level.width()},_.prototype.levelHeight=function(){return this._level.height()},_.prototype.vertices=function(t){t=t||[d.create(),d.create(),d.create(),d.create()];var e=this.centerX()-this.scaleX()/2,i=this.centerX()+this.scaleX()/2,r=this.centerY()-this.scaleY()/2,n=this.centerY()+this.scaleY()/2;return d.set(t[0],e,n),d.set(t[1],i,n),d.set(t[2],i,r),d.set(t[3],e,r),t},_.prototype.parent=function(){if(0===this.z)return null;var t=this._geometry,e=this.z-1;return new _(Math.floor(this.x/2),Math.floor(this.y/2),e,t)},_.prototype.children=function(t){if(this.z===this._geometry.levelList.length-1)return null;var e=this._geometry,i=this.z+1;return(t=t||[]).push(new _(2*this.x,2*this.y,i,e)),t.push(new _(2*this.x,2*this.y+1,i,e)),t.push(new _(2*this.x+1,2*this.y,i,e)),t.push(new _(2*this.x+1,2*this.y+1,i,e)),t},_.prototype.neighbors=function(){var t=this._geometry,e=t._neighborsCache,i=e.get(this);if(i)return i;for(var r=this.x,n=this.y,o=this.z,i=this._level,s=i.numHorizontalTiles()-1,a=i.numVerticalTiles()-1,h=[],u=0;u<v.length;u++){var l=r+v[u][0],c=n+v[u][1];0<=l&&l<=s&&0<=c&&c<=a&&h.push(new _(l,c,o,t))}return e.set(this,h),h},_.prototype.hash=function(){return n(this.z,this.y,this.x)},_.prototype.equals=function(t){return this._geometry===t._geometry&&this.z===t.z&&this.y===t.y&&this.x===t.x},_.prototype.cmp=function(t){return p(this.z,t.z)||p(this.y,t.y)||p(this.x,t.x)},_.prototype.str=function(){return"FlatTile("+tile.x+", "+tile.y+", "+tile.z+")"},r(y,a),y.prototype.width=function(){return this._width},y.prototype.height=function(){return this._height},y.prototype.tileWidth=function(){return this._tileWidth},y.prototype.tileHeight=function(){return this._tileHeight},y.prototype._validateWithParentLevel=function(t){var e=this.width(),i=this.height(),r=this.tileWidth(),n=this.tileHeight(),o=t.width(),s=t.height(),a=t.tileWidth(),t=t.tileHeight();return e%o!=0?new Error("Level width must be multiple of parent level: "+e+" vs. "+o):i%s!=0?new Error("Level height must be multiple of parent level: "+i+" vs. "+s):r%a!=0?new Error("Level tile width must be multiple of parent level: "+r+" vs. "+a):n%t!=0?new Error("Level tile height must be multiple of parent level: "+n+" vs. "+t):void 0},g.prototype.maxTileSize=function(){for(var t=0,e=0;e<this.levelList.length;e++)var i=this.levelList[e],t=Math.max(t,i.tileWidth,i.tileHeight);return t},g.prototype.levelTiles=function(t,e){var i=this.levelList.indexOf(t),r=t.numHorizontalTiles()-1,n=t.numVerticalTiles()-1;e=e||[];for(var o=0;o<=r;o++)for(var s=0;s<=n;s++)e.push(new _(o,s,i,this));return e},g.prototype._closestTile=function(t,e){var i=this._vec;m.set(i,0,0,1,1),m.transformMat4(i,i,t.inverseProjection());var r=.5+i[0],n=.5-i[1],o=this.levelList.indexOf(e),s=e.width(),a=e.height(),h=e.tileWidth(),t=e.tileHeight(),i=e.numHorizontalTiles(),e=e.numVerticalTiles();return new _(l(Math.floor(r*s/h),0,i-1),l(Math.floor(n*a/t),0,e-1),o,this)},g.prototype.visibleTiles=function(t,e,i){var r=this._viewSize,n=this._tileSearcher;if(i=i||[],t.size(r),0===r.width||0===r.height)return i;e=this._closestTile(t,e);if(!n.search(t,e,i))throw new Error("Starting tile is not visible");return i},g.Tile=g.prototype.Tile=_,g.type=g.prototype.type="flat",_.type=_.prototype.type="flat",e.exports=g},{"../TileSearcher":22,"../collections/LruMap":28,"../util/clamp":75,"../util/cmp":77,"../util/hash":88,"../util/inherits":89,"../util/mod":91,"../util/type":101,"./Level":52,"./common":53,"gl-matrix":3}],52:[function(t,e,i){"use strict";function r(t){this._fallbackOnly=!!t.fallbackOnly}r.prototype.numHorizontalTiles=function(){return Math.ceil(this.width()/this.tileWidth())},r.prototype.numVerticalTiles=function(){return Math.ceil(this.height()/this.tileHeight())},r.prototype.fallbackOnly=function(){return this._fallbackOnly},e.exports=r},{}],53:[function(t,e,i){"use strict";var n=t("../util/cmp");e.exports={makeLevelList:function(t,e){for(var i=[],r=0;r<t.length;r++)i.push(new e(t[r]));return i.sort(function(t,e){return n(t.width(),e.width())}),i},makeSelectableLevelList:function(t){for(var e=[],i=0;i<t.length;i++)t[i]._fallbackOnly||e.push(t[i]);if(!e.length)throw new Error("No selectable levels in list");return e}}},{"../util/cmp":77}],54:[function(t,e,i){"use strict";e.exports={WebGlStage:t("./stages/WebGl"),WebGlCubeRenderer:t("./renderers/WebGlCube"),WebGlFlatRenderer:t("./renderers/WebGlFlat"),WebGlEquirectRenderer:t("./renderers/WebGlEquirect"),registerDefaultRenderers:t("./renderers/registerDefaultRenderers"),CubeGeometry:t("./geometries/Cube"),FlatGeometry:t("./geometries/Flat"),EquirectGeometry:t("./geometries/Equirect"),RectilinearView:t("./views/Rectilinear"),FlatView:t("./views/Flat"),ImageUrlSource:t("./sources/ImageUrl"),SingleAssetSource:t("./sources/SingleAsset"),StaticAsset:t("./assets/Static"),DynamicAsset:t("./assets/Dynamic"),TextureStore:t("./TextureStore"),Layer:t("./Layer"),RenderLoop:t("./RenderLoop"),KeyControlMethod:t("./controls/Key"),DragControlMethod:t("./controls/Drag"),QtvrControlMethod:t("./controls/Qtvr"),ScrollZoomControlMethod:t("./controls/ScrollZoom"),PinchZoomControlMethod:t("./controls/PinchZoom"),VelocityControlMethod:t("./controls/Velocity"),ElementPressControlMethod:t("./controls/ElementPress"),Controls:t("./controls/Controls"),Dynamics:t("./controls/Dynamics"),Viewer:t("./Viewer"),Scene:t("./Scene"),Hotspot:t("./Hotspot"),HotspotContainer:t("./HotspotContainer"),colorEffects:t("./colorEffects"),registerDefaultControls:t("./controls/registerDefaultControls"),autorotate:t("./autorotate"),util:{async:t("./util/async"),cancelize:t("./util/cancelize"),chain:t("./util/chain"),clamp:t("./util/clamp"),clearOwnProperties:t("./util/clearOwnProperties"),cmp:t("./util/cmp"),compose:t("./util/compose"),convertFov:t("./util/convertFov"),decimal:t("./util/decimal"),defaults:t("./util/defaults"),defer:t("./util/defer"),degToRad:t("./util/degToRad"),delay:t("./util/delay"),dom:t("./util/dom"),extend:t("./util/extend"),hash:t("./util/hash"),inherits:t("./util/inherits"),mod:t("./util/mod"),noop:t("./util/noop"),now:t("./util/now"),once:t("./util/once"),pixelRatio:t("./util/pixelRatio"),radToDeg:t("./util/radToDeg"),real:t("./util/real"),retry:t("./util/retry"),tween:t("./util/tween"),type:t("./util/type")},dependencies:{bowser:t("bowser"),glMatrix:t("gl-matrix"),eventEmitter:t("minimal-event-emitter"),hammerjs:t("hammerjs")}}},{"./Hotspot":15,"./HotspotContainer":16,"./Layer":17,"./RenderLoop":19,"./Scene":20,"./TextureStore":21,"./Viewer":24,"./assets/Dynamic":25,"./assets/Static":26,"./autorotate":27,"./colorEffects":34,"./controls/Controls":37,"./controls/Drag":38,"./controls/Dynamics":39,"./controls/ElementPress":40,"./controls/Key":42,"./controls/PinchZoom":43,"./controls/Qtvr":44,"./controls/ScrollZoom":45,"./controls/Velocity":46,"./controls/registerDefaultControls":47,"./geometries/Cube":49,"./geometries/Equirect":50,"./geometries/Flat":51,"./renderers/WebGlCube":58,"./renderers/WebGlEquirect":59,"./renderers/WebGlFlat":60,"./renderers/registerDefaultRenderers":61,"./sources/ImageUrl":66,"./sources/SingleAsset":67,"./stages/WebGl":70,"./util/async":71,"./util/cancelize":73,"./util/chain":74,"./util/clamp":75,"./util/clearOwnProperties":76,"./util/cmp":77,"./util/compose":78,"./util/convertFov":79,"./util/decimal":80,"./util/defaults":81,"./util/defer":82,"./util/degToRad":83,"./util/delay":84,"./util/dom":85,"./util/extend":86,"./util/hash":88,"./util/inherits":89,"./util/mod":91,"./util/noop":92,"./util/now":93,"./util/once":94,"./util/pixelRatio":95,"./util/radToDeg":97,"./util/real":98,"./util/retry":99,"./util/tween":100,"./util/type":101,"./views/Flat":102,"./views/Rectilinear":103,bowser:1,"gl-matrix":3,hammerjs:13,"minimal-event-emitter":14}],55:[function(t,e,i){"use strict";var a=t("../assets/Static"),r=t("../NetworkError"),n=t("bowser"),h=t("../util/global"),u=t("../util/once"),l=!!h.createImageBitmap&&!n.firefox,c={imageOrientation:"flipY",premultiplyAlpha:"premultiply"};function o(t){this._stage=t}o.prototype.loadImage=function(t,e,i){var r=this,n=new Image;n.crossOrigin="anonymous";var o=e&&e.x||0,s=e&&e.y||0,a=e&&e.width||1,h=e&&e.height||1;return i=u(i),n.onload=function(){r._handleLoad(n,o,s,a,h,i)},n.onerror=function(){r._handleError(t,i)},n.src=t,function(){n.onload=n.onerror=null,n.src="",i.apply(null,arguments)}},o.prototype._handleLoad=function(t,e,i,r,n,o){var s;0!==e||0!==i||1!==r||1!==n?(e*=t.naturalWidth,i*=t.naturalHeight,r*=t.naturalWidth,n*=t.naturalHeight,l?h.createImageBitmap(t,e,i,r,n,c).then(function(t){o(null,new a(t))}):((s=document.createElement("canvas")).width=r,s.height=n,s.getContext("2d").drawImage(t,e,i,r,n,0,0,r,n),o(null,new a(s)))):o(null,new a(t))},o.prototype._handleError=function(t,e){e(new r("Network error: "+t))},e.exports=o},{"../NetworkError":18,"../assets/Static":26,"../util/global":87,"../util/once":94,bowser:1}],56:[function(t,e,i){"use strict";var l=t("gl-matrix").mat4,r=t("gl-matrix").vec3,n=t("../util/clearOwnProperties"),o=t("./WebGlCommon"),s=o.createConstantBuffers,a=o.destroyConstantBuffers,h=o.createShaderProgram,u=o.destroyShaderProgram,c=o.enableAttributes,p=o.disableAttributes,f=o.setViewport,d=o.setupPixelEffectUniforms,m=o.setDepth,v=o.setTexture,_=t("../shaders/vertexNormal"),y=t("../shaders/fragmentNormal"),g=[0,1,2,0,2,3],w=[-.5,-.5,0,.5,-.5,0,.5,.5,0,-.5,.5,0],b=[0,0,1,0,1,1,0,1],M=["aVertexPosition","aTextureCoord"],x=["uDepth","uOpacity","uSampler","uProjMatrix","uViewportMatrix","uColorOffset","uColorMatrix"];function E(t){this.gl=t,this.projMatrix=l.create(),this.viewportMatrix=l.create(),this.translateVector=r.create(),this.scaleVector=r.create(),this.constantBuffers=s(t,g,w,b),this.shaderProgram=h(t,_,y,M,x)}E.prototype.destroy=function(){a(this.gl,this.constantBuffers),u(this.gl,this.shaderProgram),n(this)},E.prototype.startLayer=function(t,e){var i=this.gl,r=this.shaderProgram,n=this.constantBuffers,o=this.viewportMatrix;i.useProgram(r),c(i,r),f(i,t,e,o),i.uniformMatrix4fv(r.uViewportMatrix,!1,o),i.bindBuffer(i.ARRAY_BUFFER,n.vertexPositions),i.vertexAttribPointer(r.aVertexPosition,3,i.FLOAT,i.FALSE,0,0),i.bindBuffer(i.ARRAY_BUFFER,n.textureCoords),i.vertexAttribPointer(r.aTextureCoord,2,i.FLOAT,i.FALSE,0,0),d(i,t.effects(),{opacity:r.uOpacity,colorOffset:r.uColorOffset,colorMatrix:r.uColorMatrix})},E.prototype.endLayer=function(t,e){var i=this.gl,r=this.shaderProgram;p(i,r)},E.prototype.renderTile=function(t,e,i,r){var n=this.gl,o=this.shaderProgram,s=this.constantBuffers,a=this.projMatrix,h=this.translateVector,u=this.scaleVector;h[0]=t.centerX(),h[1]=t.centerY(),h[2]=-.5,u[0]=t.scaleX(),u[1]=t.scaleY(),u[2]=1,l.copy(a,i.view().projection()),l.rotateX(a,a,t.rotX()),l.rotateY(a,a,t.rotY()),l.translate(a,a,h),l.scale(a,a,u),n.uniformMatrix4fv(o.uProjMatrix,!1,a),m(n,o,r,t.z),v(n,o,e),n.bindBuffer(n.ELEMENT_ARRAY_BUFFER,s.vertexIndices),n.drawElements(n.TRIANGLES,g.length,n.UNSIGNED_SHORT,0)},e.exports=E},{"../shaders/fragmentNormal":63,"../shaders/vertexNormal":65,"../util/clearOwnProperties":76,"./WebGlCommon":57,"gl-matrix":3}],57:[function(t,e,i){"use strict";var p=t("../util/clamp"),r=t("gl-matrix").vec4,f=t("gl-matrix").vec3,d=t("gl-matrix").mat4;function l(t,e,i){e=t.createShader(e);if(t.shaderSource(e,i),t.compileShader(e),!t.getShaderParameter(e,t.COMPILE_STATUS))throw t.getShaderInfoLog(e);return e}function n(t,e,i,r){var n=t.createBuffer();return t.bindBuffer(e,n),t.bufferData(e,r,i),n}var o=r.create(),s=d.create();d.identity(s);var m=f.create(),v=f.create();e.exports={createShaderProgram:function(t,e,i,r,n){var e=l(t,t.VERTEX_SHADER,e),i=l(t,t.FRAGMENT_SHADER,i),o=t.createProgram();if(t.attachShader(o,e),t.attachShader(o,i),t.linkProgram(o),!t.getProgramParameter(o,t.LINK_STATUS))throw t.getProgramInfoLog(o);for(var s=0;s<r.length;s++){var a=r[s];if(o[a]=t.getAttribLocation(o,a),-1===o[a])throw new Error("Shader program has no "+a+" attribute")}for(var h=0;h<n.length;h++){var u=n[h];if(o[u]=t.getUniformLocation(o,u),-1===o[u])throw new Error("Shader program has no "+u+" uniform")}return o},destroyShaderProgram:function(t,e){for(var i=t.getAttachedShaders(e),r=0;r<i.length;r++){var n=i[r];t.detachShader(e,n),t.deleteShader(n)}t.deleteProgram(e)},createConstantBuffers:function(t,e,i,r){return{vertexIndices:n(t,t.ELEMENT_ARRAY_BUFFER,t.STATIC_DRAW,new Uint16Array(e)),vertexPositions:n(t,t.ARRAY_BUFFER,t.STATIC_DRAW,new Float32Array(i)),textureCoords:n(t,t.ARRAY_BUFFER,t.STATIC_DRAW,new Float32Array(r))}},destroyConstantBuffers:function(t,e){t.deleteBuffer(e.vertexIndices),t.deleteBuffer(e.vertexPositions),t.deleteBuffer(e.textureCoords)},enableAttributes:function(t,e){for(var i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES),r=0;r<i;r++)t.enableVertexAttribArray(r)},disableAttributes:function(t,e){for(var i=t.getProgramParameter(e,t.ACTIVE_ATTRIBUTES),r=0;r<i;r++)t.disableVertexAttribArray(r)},setTexture:function(t,e,i){t.activeTexture(t.TEXTURE0),t.bindTexture(t.TEXTURE_2D,i._texture),t.uniform1i(e.uSampler,0)},setDepth:function(t,e,i,r){r=(256*(i+1)-r)/65536,t.uniform1f(e.uDepth,r)},setViewport:function(t,e,i,r){if(0===i.x&&1===i.width&&0===i.y&&1===i.height)return t.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight),void d.identity(r);var n=i.x,o=p(n,0,1),s=o-n,a=1-o,h=p(i.width-s,0,a),u=i.width-h,l=1-i.height-i.y,c=p(l,0,1),n=c-l,a=1-c,l=p(i.height-n,0,a),a=i.height-l;f.set(v,i.width/h,i.height/l,1),f.set(m,(u-s)/h,(a-n)/l,0),d.identity(r),d.translate(r,r,m),d.scale(r,r,v),t.viewport(t.drawingBufferWidth*o,t.drawingBufferHeight*c,t.drawingBufferWidth*h,t.drawingBufferHeight*l)},setupPixelEffectUniforms:function(t,e,i){var r=1;e&&null!=e.opacity&&(r=e.opacity),t.uniform1f(i.opacity,r),r=o,e&&e.colorOffset&&(r=e.colorOffset),t.uniform4fv(i.colorOffset,r),r=s,e&&e.colorMatrix&&(r=e.colorMatrix),t.uniformMatrix4fv(i.colorMatrix,!1,r)}}},{"../util/clamp":75,"gl-matrix":3}],58:[function(t,e,i){"use strict";var r=t("./WebGlBase");function n(){this.constructor.super_.apply(this,arguments)}t("../util/inherits")(n,r),e.exports=n},{"../util/inherits":89,"./WebGlBase":56}],59:[function(t,e,i){"use strict";var a=t("gl-matrix").mat4,r=t("../util/clearOwnProperties"),n=t("./WebGlCommon"),o=n.createConstantBuffers,s=n.destroyConstantBuffers,h=n.createShaderProgram,u=n.destroyShaderProgram,l=n.enableAttributes,c=n.disableAttributes,p=n.setViewport,f=n.setupPixelEffectUniforms,d=n.setDepth,m=n.setTexture,v=t("../shaders/vertexEquirect"),_=t("../shaders/fragmentEquirect"),y=[0,1,2,0,2,3],g=[-1,-1,0,1,-1,0,1,1,0,-1,1,0],w=[0,0,1,0,1,1,0,1],b=["aVertexPosition"],M=["uDepth","uOpacity","uSampler","uInvProjMatrix","uViewportMatrix","uColorOffset","uColorMatrix","uTextureX","uTextureY","uTextureWidth","uTextureHeight"];function x(t){this.gl=t,this.invProjMatrix=a.create(),this.viewportMatrix=a.create(),this.constantBuffers=o(t,y,g,w),this.shaderProgram=h(t,v,_,b,M)}x.prototype.destroy=function(){s(this.gl,this.constantBuffers),u(this.gl,this.shaderProgram),r(this)},x.prototype.startLayer=function(t,e){var i=this.gl,r=this.shaderProgram,n=this.constantBuffers,o=this.invProjMatrix,s=this.viewportMatrix;i.useProgram(r),l(i,r),p(i,t,e,s),i.uniformMatrix4fv(r.uViewportMatrix,!1,s),i.bindBuffer(i.ARRAY_BUFFER,n.vertexPositions),i.vertexAttribPointer(r.aVertexPosition,3,i.FLOAT,i.FALSE,0,0),i.bindBuffer(i.ARRAY_BUFFER,n.textureCoords),a.copy(o,t.view().projection()),a.invert(o,o),i.uniformMatrix4fv(r.uInvProjMatrix,!1,o);e=t.effects().textureCrop||{},s=null!=e.x?e.x:0,n=null!=e.y?e.y:0,o=null!=e.width?e.width:1,e=null!=e.height?e.height:1;i.uniform1f(r.uTextureX,s),i.uniform1f(r.uTextureY,n),i.uniform1f(r.uTextureWidth,o),i.uniform1f(r.uTextureHeight,e),f(i,t.effects(),{opacity:r.uOpacity,colorOffset:r.uColorOffset,colorMatrix:r.uColorMatrix})},x.prototype.endLayer=function(t,e){var i=this.gl,r=this.shaderProgram;c(i,r)},x.prototype.renderTile=function(t,e,i,r){var 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t,e,i=this._tilesToLoad,r=this._tilesToRender,n=!0,o=this._width,s=this._height,a=this._tmpRect,h=this._tmpSize;if(!(o<=0||s<=0)){for(this.startFrame(),t=0;t<this._layers.length;t++)this._layers[t].textureStore().startFrame();for(t=0;t<this._layers.length;t++){var u,l,c=this._layers[t],p=c.effects(),f=c.view(),d=c.textureStore(),m=this._renderers[t],v=this._layers.length-t;if(_(o,s,p&&p.rect,a),!(a.width<=0||a.height<=0)){for(h.width=a.width*this._width,h.height=a.height*this._height,f.setSize(h),m.startLayer(c,a),f=this._collectTiles(c,d),e=0;e<i.length;e++)u=i[e],d.markTile(u);for(e=0;e<r.length;e++)u=r[e],l=d.texture(u),m.renderTile(u,l,c,v);c.emit("renderComplete",f),f||(n=!1),m.endLayer(c,a)}}for(t=0;t<this._layers.length;t++)this._layers[t].textureStore().endFrame();this.endFrame(),this.emit("renderComplete",n)}},c.prototype._collectTiles=function(t,e){var i=this._tilesToLoad,r=this._tilesToRender,n=this._tmpVisible;i.length=0,r.length=0,n.length=0,t.visibleTiles(n);for(var 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t=a();this._domElement.width=t*this._width,this._domElement.height=t*this._height},f.prototype.loadImage=function(t,e,i){return this._loader.loadImage(t,e,i)},f.prototype.maxTextureSize=function(){return this._gl.getParameter(this._gl.MAX_TEXTURE_SIZE)},f.prototype.validateLayer=function(t){var e=t.geometry().maxTileSize(),t=this.maxTextureSize();if(t<e)throw new Error("Layer has level with tile size larger than maximum texture size ("+e+" vs. "+t+")")},f.prototype.createRenderer=function(t){for(var e=this._rendererInstances,i=0;i<e.length;i++)if(e[i]instanceof t)return e[i];var r=new t(this._gl);return e.push(r),r},f.prototype.destroyRenderer=function(t){var e=this._rendererInstances;this._renderers.indexOf(t)<0&&(t.destroy(),0<=(t=e.indexOf(t))&&e.splice(t,1))},f.prototype.startFrame=function(){var t=this._gl;if(!t)throw new Error("Bad WebGL context - maybe context was lost?");t.viewport(0,0,t.drawingBufferWidth,t.drawingBufferHeight),t.clearColor(0,0,0,0),t.clear(t.COLOR_BUFFER_BIT|t.DEPTH_BUFFER_BIT),t.enable(t.DEPTH_TEST),t.enable(t.BLEND),t.blendFunc(t.ONE,t.ONE_MINUS_SRC_ALPHA)},f.prototype.endFrame=function(){},f.prototype.takeSnapshot=function(t){"object"==typeof t&&null!=t||(t={});t=t.quality;if(void 0===t&&(t=75),"number"!=typeof t||t<0||100<t)throw new Error("WebGLStage: Snapshot quality needs to be a number between 0 and 100");return this.render(),this._domElement.toDataURL("image/jpeg",t/100)},f.type=f.prototype.type="webgl",d.prototype.refresh=function(t,e){var i,r=this._gl,n=this._stage,o=e.timestamp();if(o!==this._timestamp){var s=e.element(),a=e.width(),h=e.height();if(a!==this._width||h!==this._height){e=n.maxTextureSize();if(e<a)throw new Error("Texture width larger than max size ("+a+" vs. "+e+")");if(e<h)throw new Error("Texture height larger than max size ("+h+" vs. 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r=e[i],n=l[i],o=c[i],s=!1,a=0;a<t.length;a++){var h=t[a];if(o<0&&h[n]<r||0<o&&h[n]>r){s=!0;break}}if(!s)return!1}return!0},s.prototype.selectLevel=function(t){for(var e=o()*this.width(),i=this._zoom,r=0;r<t.length;r++){var n=t[r];if(i*n.width()>=e)return n}return t[t.length-1]},s.prototype.coordinatesToScreen=function(t,e){var i=this._vec;e=e||{};var r=this._width,n=this._height;if(r<=0||n<=0)return e.x=null,e.y=null;var o=t&&null!=t.x?t.x:.5,t=t&&null!=t.y?t.y:.5;a.set(i,o-.5,.5-t,-1,1),a.transformMat4(i,i,this.projection());for(var s=0;s<3;s++)i[s]/=i[3];return e.x=r*(i[0]+1)/2,e.y=n*(1-i[1])/2,e},s.prototype.screenToCoordinates=function(t,e){var i=this._vec;e=e||{};var r=this._width,n=this._height,r=2*t.x/r-1,n=1-2*t.y/n;return a.set(i,r,n,1,1),a.transformMat4(i,i,this.inverseProjection()),e.x=.5+i[0],e.y=.5-i[1],e},s.limit={x:function(e,i){return function(t){return t.x=f(t.x,e,i),t}},y:function(e,i){return function(t){return t.y=f(t.y,e,i),t}},zoom:function(e,i){return function(t){return t.zoom=f(t.zoom,e,i),t}},resolution:function(i){return function(t){if(t.width<=0||t.height<=0)return t;var e=t.width,e=o()*e/i;return t.zoom=f(t.zoom,e,1/0),t}},visibleX:function(r,n){return function(t){var e=n-r;t.zoom>e&&(t.zoom=e);var i=r+.5*t.zoom,e=n-.5*t.zoom;return t.x=f(t.x,i,e),t}},visibleY:function(r,n){return function(t){if(t.width<=0||t.height<=0)return t;var e=t.width/t.height/t.mediaAspectRatio,i=(n-r)*e;t.zoom>i&&(t.zoom=i);i=r+.5*t.zoom/e,e=n-.5*t.zoom/e;return t.y=f(t.y,i,e),t}},letterbox:function(){return function(t){if(t.width<=0||t.height<=0)return t;var e,i,r,n,o=t.width/t.height,s=o/t.mediaAspectRatio;return t.mediaAspectRatio>=o&&(t.zoom=Math.min(t.zoom,1)),t.mediaAspectRatio<=o&&(t.zoom=Math.min(t.zoom,s)),1<t.zoom?e=i=.5:(e=0+.5*t.zoom,i=1-.5*t.zoom),t.zoom>s?r=n=.5:(r=0+.5*t.zoom/s,n=1-.5*t.zoom/s),t.x=f(t.x,e,i),t.y=f(t.y,r,n),t}}},s.type=s.prototype.type="flat",e.exports=s},{"../util/clamp":75,"../util/clearOwnProperties":76,"../util/pixelRatio":95,"../util/real":98,"gl-matrix":3,"minimal-event-emitter":14}],103:[function(t,e,i){"use strict";var r=t("minimal-event-emitter"),u=t("gl-matrix").mat4,h=t("gl-matrix").vec4,o=t("../util/pixelRatio"),l=t("../util/convertFov"),n=t("../util/mod"),v=t("../util/real"),s=t("../util/clamp"),a=t("../util/decimal"),c=t("../util/compose"),p=t("../util/clearOwnProperties"),f=Math.PI/4;function d(t,e){this._yaw=t&&null!=t.yaw?t.yaw:0,this._pitch=t&&null!=t.pitch?t.pitch:0,this._roll=t&&null!=t.roll?t.roll:0,this._fov=t&&null!=t.fov?t.fov:f,this._width=t&&null!=t.width?t.width:0,this._height=t&&null!=t.height?t.height:0,this._projectionCenterX=t&&null!=t.projectionCenterX?t.projectionCenterX:0,this._projectionCenterY=t&&null!=t.projectionCenterY?t.projectionCenterY:0,this._limiter=e||null,this._projMatrix=u.create(),this._invProjMatrix=u.create(),this._frustum=[h.create(),h.create(),h.create(),h.create(),h.create()],this._projectionChanged=!0,this._params={},this._fovs={},this._tmpVec=h.create(),this._update()}r(d),d.prototype.destroy=function(){p(this)},d.prototype.yaw=function(){return this._yaw},d.prototype.pitch=function(){return this._pitch},d.prototype.roll=function(){return this._roll},d.prototype.projectionCenterX=function(){return this._projectionCenterX},d.prototype.projectionCenterY=function(){return this._projectionCenterY},d.prototype.fov=function(){return 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t=this._params;t.yaw=null,t.pitch=null,t.roll=null,t.fov=null,t.width=null,t.height=null},d.prototype._update=function(t){null==t&&(this._resetParams(),t=this._params);var e=this._yaw,i=this._pitch,r=this._roll,n=this._fov,o=this._projectionCenterX,s=this._projectionCenterY,a=this._width,h=this._height;if(t.yaw=null!=t.yaw?t.yaw:e,t.pitch=null!=t.pitch?t.pitch:i,t.roll=null!=t.roll?t.roll:r,t.fov=null!=t.fov?t.fov:n,t.width=null!=t.width?t.width:a,t.height=null!=t.height?t.height:h,t.projectionCenterX=null!=t.projectionCenterX?t.projectionCenterX:o,t.projectionCenterY=null!=t.projectionCenterY?t.projectionCenterY:s,this._limiter&&!(t=this._limiter(t)))throw new Error("Bad view limiter");var u=(t=this._normalize(t)).yaw,l=t.pitch,c=t.roll,p=t.fov,f=t.width,d=t.height,m=t.projectionCenterX,t=t.projectionCenterY;if(!(v(u)&&v(l)&&v(c)&&v(p)&&v(f)&&v(d)&&v(m)&&v(t)))throw new Error("Bad view - suspect a broken limiter");this._yaw=u,this._pitch=l,this._roll=c,this._fov=p,this._width=f,this._height=d,this._projectionCenterX=m,this._projectionCenterY=t,u===e&&l===i&&c===r&&p===n&&f===a&&d===h&&m===o&&t===s||(this._projectionChanged=!0,this.emit("change")),f===a&&d===h||this.emit("resize")},d.prototype._normalize=function(t){this._normalizeCoordinates(t);var e=l.htov(Math.PI,t.width,t.height),e=isNaN(e)?Math.PI:Math.min(Math.PI,e);return t.fov=s(t.fov,1e-6,e-1e-6),t},d.prototype._normalizeCoordinates=function(t){return"yaw"in t&&(t.yaw=n(t.yaw-Math.PI,-2*Math.PI)+Math.PI),"pitch"in t&&(t.pitch=n(t.pitch-Math.PI,-2*Math.PI)+Math.PI),"roll"in t&&(t.roll=n(t.roll-Math.PI,-2*Math.PI)+Math.PI),t},d.prototype.normalizeToClosest=function(t,e){var i=this._yaw,r=this._pitch,n=t.yaw,o=t.pitch,s=n-2*Math.PI,t=n+2*Math.PI;Math.abs(s-i)<Math.abs(n-i)?n=s:Math.abs(t-i)<Math.abs(n-i)&&(n=t);i=o-2*Math.PI,t=o+2*Math.PI;return Math.abs(i-r)<Math.abs(o-r)?o=i:Math.abs(i-r)<Math.abs(o-r)&&(o=t),(e=e||{}).yaw=n,e.pitch=o,e},d.prototype.updateWithControlParameters=function(t){var e=this._fov,i=l.vtoh(e,this._width,this._height);isNaN(i)&&(i=e),this.offsetYaw(t.axisScaledX*i+2*t.x*i+t.yaw),this.offsetPitch(t.axisScaledY*e+2*t.y*i+t.pitch),this.offsetRoll(-t.roll),this.offsetFov(t.zoom*e)},d.prototype._updateProjection=function(){var t,e,i,r,n,o,s=this._projMatrix,a=this._invProjMatrix,h=this._frustum;this._projectionChanged&&(o=this._width,r=this._height,t=this._fov,e=l.vtoh(t,o,r),i=o/r,n=this._projectionCenterX,o=this._projectionCenterY,0!==n||0!==o?(r=Math.atan(2*n*Math.tan(e/2)),n=Math.atan(2*o*Math.tan(t/2)),(o=this._fovs).leftDegrees=180*(e/2+r)/Math.PI,o.rightDegrees=180*(e/2-r)/Math.PI,o.upDegrees=180*(t/2+n)/Math.PI,o.downDegrees=180*(t/2-n)/Math.PI,u.perspectiveFromFieldOfView(s,o,-1,1)):u.perspective(s,t,i,-1,1),u.rotateZ(s,s,this._roll),u.rotateX(s,s,this._pitch),u.rotateY(s,s,this._yaw),u.invert(a,s),this._matrixToFrustum(s,h),this._projectionChanged=!1)},d.prototype._matrixToFrustum=function(t,e){h.set(e[0],t[3]+t[0],t[7]+t[4],t[11]+t[8],0),h.set(e[1],t[3]-t[0],t[7]-t[4],t[11]-t[8],0),h.set(e[2],t[3]+t[1],t[7]+t[5],t[11]+t[9],0),h.set(e[3],t[3]-t[1],t[7]-t[5],t[11]-t[9],0),h.set(e[4],t[3]+t[2],t[7]+t[6],t[11]+t[10],0)},d.prototype.projection=function(){return this._updateProjection(),this._projMatrix},d.prototype.inverseProjection=function(){return this._updateProjection(),this._invProjMatrix},d.prototype.intersects=function(t){this._updateProjection();for(var e=this._frustum,i=this._tmpVec,r=0;r<e.length;r++){for(var n=e[r],o=!1,s=0;s<t.length;s++){var a=t[s];h.set(i,a[0],a[1],a[2],0),0<=h.dot(n,i)&&(o=!0)}if(!o)return!1}return!0},d.prototype.selectLevel=function(t){for(var e=o()*this._height,i=Math.tan(.5*this._fov),r=0;r<t.length;r++){var n=t[r];if(i*n.height()>=e)return n}return t[t.length-1]},d.prototype.coordinatesToScreen=function(t,e){var i=this._tmpVec;e=e||{};var r=this._width,n=this._height;if(r<=0||n<=0)return e.x=null,e.y=null;var o=t.yaw,s=t.pitch,a=Math.sin(o)*Math.cos(s),t=-Math.sin(s),s=-Math.cos(o)*Math.cos(s);return h.set(i,a,t,s,1),h.transformMat4(i,i,this.projection()),0<=i[3]?(e.x=r*(i[0]/i[3]+1)/2,e.y=n*(1-i[1]/i[3])/2,e):(e.x=null,e.y=null)},d.prototype.screenToCoordinates=function(t,e){var i=this._tmpVec;e=e||{};var r=this._width,n=this._height,r=2*t.x/r-1,n=1-2*t.y/n;h.set(i,r,n,1,1),h.transformMat4(i,i,this.inverseProjection());n=Math.sqrt(i[0]*i[0]+i[1]*i[1]+i[2]*i[2]);return e.yaw=Math.atan2(i[0],-i[2]),e.pitch=Math.acos(i[1]/n)-Math.PI/2,this._normalizeCoordinates(e),e},d.prototype.coordinatesToPerspectiveTransform=function(t,e,i){i=i||"";var r=this._height,n=this._width,o=this._fov,s=.5*r/Math.tan(o/2),o="";return o+="translateX("+a(n/2)+"px) ",o+="translateY("+a(r/2)+"px) ",o+="translateX(-50%) translateY(-50%) ",o+="perspective("+a(s)+"px) ",o+="translateZ("+a(s)+"px) ",o+="rotateZ("+a(-this._roll)+"rad) ",o+="rotateX("+a(-this._pitch)+"rad) ",o+="rotateY("+a(this._yaw)+"rad) ",o+="rotateY("+a(-t.yaw)+"rad) ",o+="rotateX("+a(t.pitch)+"rad) ",o+="translateZ("+a(-e)+"px) ",o+=i+" "},d.limit={yaw:function(e,i){return function(t){return t.yaw=s(t.yaw,e,i),t}},pitch:function(e,i){return function(t){return t.pitch=s(t.pitch,e,i),t}},roll:function(e,i){return function(t){return t.roll=s(t.roll,e,i),t}},hfov:function(n,o){return function(t){var e,i=t.width,r=t.height;return 0<i&&0<r&&(e=l.htov(n,i,r),r=l.htov(o,i,r),t.fov=s(t.fov,e,r)),t}},vfov:function(e,i){return function(t){return t.fov=s(t.fov,e,i),t}},resolution:function(i){return function(t){var e=t.height;return e&&(e=o()*e,e=2*Math.atan(e/i),t.fov=s(t.fov,e,1/0)),t}},traditional:function(t,e,i){return i=null!=i?i:e,c(d.limit.resolution(t),d.limit.vfov(0,e),d.limit.hfov(0,i),d.limit.pitch(-Math.PI/2,Math.PI/2))}},d.type=d.prototype.type="rectilinear",e.exports=d},{"../util/clamp":75,"../util/clearOwnProperties":76,"../util/compose":78,"../util/convertFov":79,"../util/decimal":80,"../util/mod":91,"../util/pixelRatio":95,"../util/real":98,"gl-matrix":3,"minimal-event-emitter":14}]},{},[54])(54)});