sociology_app/node_modules/tcplayer.js/dist/plugins/tcplayer-vr-plugin.1.0.0.js

/*! For license information please see tcplayer-vr-plugin.1.0.0.js.LICENSE.txt */
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t=e.options,n=e.interruptManager,i=e.eventManager,r=e.axisManager,o=e.animationManager;this._isOutside=!1,this._moveDistance=null,this._isStopped=!1,this.options=t,this._interruptManager=n,this._eventManager=i,this._axisManager=r,this._animationManager=o}var t=e.prototype;return t.get=function(e){return this._axisManager.get(e.axes)},t.hold=function(e,t){if(!this._interruptManager.isInterrupted()&&e.axes.length){var n={input:e,event:t};this._isStopped=!1,this._interruptManager.setInterrupt(!0),this._animationManager.stopAnimation(n),this._moveDistance||this._eventManager.hold(this._axisManager.get(),n),this._isOutside=this._axisManager.isOutside(e.axes),this._moveDistance=this._axisManager.get(e.axes)}},t.change=function(e,t,n,i){if(!this._isStopped&&this._interruptManager.isInterrupting()&&!this._axisManager.every(n,(function(e){return 0===e}))){var r=t.srcEvent?t.srcEvent:t;if(!r.__childrenAxesAlreadyChanged){var o,s=this._moveDistance||this._axisManager.get(e.axes);o=se(s,(function(e,t){return e+(n[t]||0)})),this._moveDistance&&(this._moveDistance=this._axisManager.map(o,(function(e,t){var n=t.circular,i=t.range;return n&&(n[0]||n[1])?Te(e,i,n):e}))),this._isOutside&&this._axisManager.every(s,(function(e,t){return!xe(e,t.range)}))&&(this._isOutside=!1),s=this._atOutside(s),o=this._atOutside(o),this.options.nested&&this._isEndofAxis(n,s,o)||(r.__childrenAxesAlreadyChanged=!0);var a={input:e,event:t};if(i){var u=this._animationManager.getDuration(o,s);this._animationManager.animateTo(o,u,a)}else!this._eventManager.triggerChange(o,s,a,!0)&&(this._isStopped=!0,this._moveDistance=null,this._animationManager.finish(!1))}}},t.release=function(e,t,n,i){if(!this._isStopped&&this._interruptManager.isInterrupting()&&this._moveDistance){var r=t.srcEvent?t.srcEvent:t;r.__childrenAxesAlreadyReleased&&(n=n.map((function(){return 0})));var o=this._axisManager.get(e.axes),s=this._axisManager.get(),a=this._animationManager.getDisplacement(n),u=Le(e.axes,a),l=this._axisManager.get(this._axisManager.map(u,(function(e,t,n){return t.circular&&(t.circular[0]||t.circular[1])?o[n]+e:be(o[n]+e,t.range,t.circular,t.bounce)})));r.__childrenAxesAlreadyReleased=!0;var c=this._animationManager.getDuration(l,o,i);0===c&&(l=z({},s));var h={depaPos:s,destPos:l,duration:c,delta:this._axisManager.getDelta(s,l),inputEvent:t,input:e,isTrusted:!0};this._eventManager.triggerRelease(h),this._moveDistance=null;var d=this._animationManager.getUserControl(h),p=le(d.destPos,s),f={input:e,event:t};p||0===d.duration?(p||this._eventManager.triggerChange(d.destPos,s,f,!0),this._interruptManager.setInterrupt(!1),this._axisManager.isOutside()?this._animationManager.restore(f):this._eventManager.triggerFinish(!0)):this._animationManager.animateTo(d.destPos,d.duration,f)}},t._atOutside=function(e){var t=this;return this._isOutside?this._axisManager.map(e,(function(e,t){var n=t.range[0]-t.bounce[0],i=t.range[1]+t.bounce[1];return e>i?i:e<n?n:e})):this._axisManager.map(e,(function(e,n){var i=n.range[0],r=n.range[1],o=n.bounce,s=n.circular;return s[0]&&e<i||s[1]&&e>r?e:e<i?i-t._animationManager.interpolate(i-e,o[0]):e>r?r+t._animationManager.interpolate(e-r,o[1]):e}))},t._isEndofAxis=function(e,t,n){return this._axisManager.every(t,(function(i,r,o){return 0===e[o]||t[o]===n[o]&&(s=i,a=r.range,u=r.bounce,!(l=r.circular)[0]&&s===a[0]-u[0]||!l[1]&&s===a[1]+u[1]);var s,a,u,l}))},e}(),Qe=function(e,t,n){return Math.max(Math.min(e,n),t)},Ue=function(e){function t(){var t=null!==e&&e.apply(this,arguments)||this;return t._useDuration=!0,t}G(t,e);var n=t.prototype;return n.interpolate=function(e,t){var n=this._easing(1e-5)/1e-5;return this._easing(e/(t*n))*t},n.updateAnimation=function(e){var t,n=this._animateParam;if(n){var i=(new Date).getTime()-n.startTime,r=(null==e?void 0:e.destPos)||n.destPos,o=null!==(t=null==e?void 0:e.duration)&&void 0!==t?t:n.duration;if((null==e?void 0:e.restart)||o<=i)this.setTo(r,o-i);else{if(null==e?void 0:e.destPos){var s=this.axisManager.get();this._initialEasingPer=this._prevEasingPer,n.delta=this.axisManager.getDelta(s,r),n.destPos=r}if(null==e?void 0:e.duration){var a=(i+this._durationOffset)/n.duration;this._durationOffset=a*o-i,n.duration=o}}}},n._initState=function(e){return this._initialEasingPer=0,this._prevEasingPer=0,this._durationOffset=0,{pos:e.depaPos,easingPer:0,finished:!1}},n._getNextState=function(e){var t=this,n=this._animateParam,i=e.pos,r=n.destPos,o=se(i,(function(e,t){return e<=r[t]?1:-1})),s=((new Date).getTime()-n.startTime+this._durationOffset)/n.duration,a=this._easing(s),u=this.axisManager.map(i,(function(e,u,l){var c=s>=1?r[l]:e+n.delta[l]*(a-t._prevEasingPer)/(1-t._initialEasingPer),h=Te(c,u.range,u.circular);if(c!==h){var d=o[l]*(u.range[1]-u.range[0]);r[l]-=d,i[l]-=d}return h}));return this._prevEasingPer=a,{pos:u,easingPer:a,finished:a>=1}},n._easing=function(e){return e>1?1:this._options.easing(e)},t}(function(){function e(e){var t=e.options,n=e.interruptManager,i=e.eventManager,r=e.axisManager;this._options=t,this.interruptManager=n,this.eventManager=i,this.axisManager=r,this.animationEnd=this.animationEnd.bind(this)}var t=e.prototype;return t.getDuration=function(e,t,n){var i,r=this;if(void 0!==n)i=n;else{var o=se(t,(function(t,n){return function(e,t){var n=Math.sqrt(e/t*2);return n<100?0:n}(Math.abs(t-e[n]),r._options.deceleration)}));i=Object.keys(o).reduce((function(e,t){return Math.max(e,o[t])}),-1/0)}return Qe(i,this._options.minimumDuration,this._options.maximumDuration)},t.getDisplacement=function(e){var t=Math.pow(e.reduce((function(e,t){return e+t*t}),0),1/e.length),n=Math.abs(t/-this._options.deceleration);return e.map((function(e){return e/2*n}))},t.stopAnimation=function(e){if(this._animateParam){var t=this.axisManager.get(),n=this.axisManager.map(t,(function(e,t){return Te(e,t.range,t.circular)}));ue(n,(function(e,n){return t[n]===e}))||this.eventManager.triggerChange(n,t,e,!!e),this._animateParam=null,this._raf&&(i=this._raf,ie(i)),this._raf=null,this.eventManager.triggerAnimationEnd(!!(null==e?void 0:e.event))}var i},t.getEventInfo=function(){return this._animateParam&&this._animateParam.input&&this._animateParam.inputEvent?{input:this._animateParam.input,event:this._animateParam.inputEvent}:null},t.restore=function(e){var t=this.axisManager.get(),n=this.axisManager.map(t,(function(e,t){return Math.min(t.range[1],Math.max(t.range[0],e))}));this.stopAnimation(),this.animateTo(n,this.getDuration(t,n),e)},t.animationEnd=function(){var e=this.getEventInfo();this._animateParam=null;var t=this.axisManager.filter(this.axisManager.get(),(function(e,t){return Ee(e,t.range,t.circular)}));Object.keys(t).length>0&&this.setTo(this.axisManager.map(t,(function(e,t){return Te(e,t.range,t.circular)}))),this.interruptManager.setInterrupt(!1),this.eventManager.triggerAnimationEnd(!!e),this.axisManager.isOutside()?this.restore(e):this.finish(!!e)},t.finish=function(e){this._animateParam=null,this.interruptManager.setInterrupt(!1),this.eventManager.triggerFinish(e)},t.getUserControl=function(e){var t=e.setTo();return t.destPos=this.axisManager.get(t.destPos),t.duration=Qe(t.duration,this._options.minimumDuration,this._options.maximumDuration),t},t.animateTo=function(e,t,n){var i=this;this.stopAnimation();var r=this._createAnimationParam(e,t,n),o=z({},r.depaPos),s=this.eventManager.triggerAnimationStart(r),a=this.getUserControl(r);if(!s&&this.axisManager.every(a.destPos,(function(e,t){return Ee(e,t.range,t.circular)}))&&console.warn("You can't stop the 'animation' event when 'circular' is true."),s&&!le(a.destPos,o)){var u=(null==n?void 0:n.event)||null;this._animateLoop({depaPos:o,destPos:a.destPos,duration:a.duration,delta:this.axisManager.getDelta(o,a.destPos),isTrusted:!!u,inputEvent:u,input:(null==n?void 0:n.input)||null},(function(){return i.animationEnd()}))}},t.setTo=function(e,t){void 0===t&&(t=0);var n=Object.keys(e),i=this.axisManager.get(n);if(le(e,i))return this;this.interruptManager.setInterrupt(!0);var r=ae(e,(function(e,t){return i[t]!==e}));return Object.keys(r).length?(r=this.axisManager.map(r,(function(e,t){var n=t.range,i=t.circular;return i&&(i[0]||i[1])?e:be(e,n,i)})),le(r,i)||(t>0?this.animateTo(r,t):(this.stopAnimation(),this.eventManager.triggerChange(r),this.finish(!1))),this):this},t.setBy=function(e,t){return void 0===t&&(t=0),this.setTo(se(this.axisManager.get(Object.keys(e)),(function(t,n){return t+e[n]})),t)},t._createAnimationParam=function(e,t,n){var i=this.axisManager.get(),r=e,o=(null==n?void 0:n.event)||null;return{depaPos:i,destPos:r,duration:Qe(t,this._options.minimumDuration,this._options.maximumDuration),delta:this.axisManager.getDelta(i,r),inputEvent:o,input:(null==n?void 0:n.input)||null,isTrusted:!!o,done:this.animationEnd}},t._animateLoop=function(e,t){var n=this;if(e.duration){this._animateParam=z(z({},e),{startTime:(new Date).getTime()});var i=se(e.destPos,(function(e){return e})),r=this._initState(this._animateParam),o=function(){n._raf=null;var e=n._animateParam,s=n._getNextState(r),a=!n.eventManager.triggerChange(s.pos,r.pos);if(r=s,s.finished)return e.destPos=n._getFinalPos(e.destPos,i),le(e.destPos,n.axisManager.get(Object.keys(e.destPos)))||n.eventManager.triggerChange(e.destPos,s.pos),void t();a?n.finish(!1):n._raf=ne(o)};o()}else this.eventManager.triggerChange(e.destPos),t()},t._getFinalPos=function(e,t){var n=this,i=1e-6;return se(e,(function(e,r){if(e>=t[r]-i&&e<=t[r]+i)return t[r];var o=n._getRoundUnit(e,r);return he(e,o)}))},t._getRoundUnit=function(e,t){var n,i=this._options.round,r=null;if(!i){var o=this.axisManager.getAxisOptions(t);n=Math.max(pe(o.range[0]),pe(o.range[1]),pe(e)),r=1/Math.pow(10,n)}return r||i},e}()),We=function(e){function t(t,n,i){void 0===t&&(t={}),void 0===n&&(n={}),void 0===i&&(i={});var r=e.call(this)||this;return r.axis=t,r._inputs=[],r.options=z({easing:function(e){return 1-Math.pow(1-e,3)},interruptable:!0,maximumDuration:1/0,minimumDuration:0,deceleration:6e-4,round:null,nested:!1},n),Object.keys(i).forEach((function(e){r.axis[e].startPos=i[e]})),r.interruptManager=new we(r.options),r.axisManager=new Se(r.axis),r.eventManager=new _e(r),r.animationManager=new Ue(r),r.inputObserver=new Ne(r),r.eventManager.setAnimationManager(r.animationManager),r.eventManager.triggerChange(r.axisManager.get()),r}G(t,e);var n=t.prototype;return n.connect=function(e,t){var n;return n="string"==typeof e?e.split(" "):e.concat(),~this._inputs.indexOf(t)&&this.disconnect(t),t.mapAxes(n),t.connect(this.inputObserver),this._inputs.push(t),this},n.disconnect=function(e){if(e){var t=this._inputs.indexOf(e);t>=0&&(this._inputs[t].disconnect(),this._inputs.splice(t,1))}else this._inputs.forEach((function(e){return e.disconnect()})),this._inputs=[];return this},n.get=function(e){return this.axisManager.get(e)},n.setTo=function(e,t){return void 0===t&&(t=0),this.animationManager.setTo(e,t),this},n.setBy=function(e,t){return void 0===t&&(t=0),this.animationManager.setBy(e,t),this},n.setOptions=function(e){return this.options=z(z({},this.options),e),this},n.setAxis=function(e){return this.axisManager.setAxis(e),this},n.stopAnimation=function(){return this.animationManager.stopAnimation(),this.animationManager.finish(!1),this},n.updateAnimation=function(e){return this.animationManager.updateAnimation(e),this},n.isBounceArea=function(e){return this.axisManager.isOutside(e)},n.destroy=function(){this.disconnect(),this.eventManager.destroy()},t.VERSION="3.8.4",t.TRANSFORM=$,t.DIRECTION_NONE=1,t.DIRECTION_LEFT=2,t.DIRECTION_RIGHT=4,t.DIRECTION_UP=8,t.DIRECTION_DOWN=16,t.DIRECTION_HORIZONTAL=6,t.DIRECTION_VERTICAL=X,t.DIRECTION_ALL=30,function(e,t,n,i){var r,o=arguments.length,s=o<3?t:null===i?i=Object.getOwnPropertyDescriptor(t,n):i;if("object"==typeof Reflect&&"function"==typeof Reflect.decorate)s=Reflect.decorate(e,t,n,i);else for(var a=e.length-1;a>=0;a--)(r=e[a])&&(s=(o<3?r(s):o>3?r(t,n,s):r(t,n))||s);return o>3&&s&&Object.defineProperty(t,n,s),s}([U],t)}(l),Ge=function(){function e(e,t){var n=this;this.axes=[],this.element=null,this._enabled=!1,this._activeEvent=null,this._atRightEdge=!1,this._rightEdgeTimer=0,this._dragged=!1,this._isOverThreshold=!1,this._preventClickWhenDragged=function(e){n._dragged&&(e.preventDefault(),e.stopPropagation()),n._dragged=!1},this._voidFunction=function(){},this.element=te(e),this.options=z({inputType:["touch","mouse","pointer"],inputKey:[Z],inputButton:[H],scale:[1,1],thresholdAngle:45,threshold:0,preventClickOnDrag:!1,iOSEdgeSwipeThreshold:30,releaseOnScroll:!1,touchAction:null},t),this._onPanstart=this._onPanstart.bind(this),this._onPanmove=this._onPanmove.bind(this),this._onPanend=this._onPanend.bind(this)}var t=e.prototype;return t.mapAxes=function(e){this._direction=ge(!!e[0],!!e[1]),this.axes=e},t.connect=function(e){return this._activeEvent&&(this._detachElementEvent(),this._detachWindowEvent(this._activeEvent)),this._attachElementEvent(e),this._originalCssProps=me(this.element,this.options,this._direction),this},t.disconnect=function(){return this._detachElementEvent(),this._detachWindowEvent(this._activeEvent),Ae(this._originalCssProps)||ye(this.element,this._originalCssProps),this._direction=1,this},t.destroy=function(){this.disconnect(),this.element=null},t.enable=function(){return this._enabled=!0,this},t.disable=function(){return this._enabled=!1,this},t.isEnabled=function(){return this._enabled},t.release=function(){var e=this._activeEvent,t=e.prevEvent;return e.onRelease(),this._observer.release(this,t,[0,0]),this._detachWindowEvent(e),this},t._onPanstart=function(e){var t=this.options,n=t.inputKey,i=t.inputButton,r=this._activeEvent,o=r.onEventStart(e,n,i);if(o&&this._enabled&&!(r.getTouches(e,i)>1)&&!1!==o.srcEvent.cancelable){var s=this.options.iOSEdgeSwipeThreshold;this._dragged=!1,this._isOverThreshold=!1,this._observer.hold(this,o),this._atRightEdge=K&&o.center.x>window.innerWidth-s,this._attachWindowEvent(r),r.prevEvent=o}},t._onPanmove=function(e){var t=this,n=this.options,i=n.iOSEdgeSwipeThreshold,r=n.preventClickOnDrag,o=n.releaseOnScroll,s=n.inputKey,a=n.inputButton,u=n.threshold,l=n.thresholdAngle,c=this._activeEvent,h=c.onEventMove(e,s,a),d=c.getTouches(e,a);if(0===d||o&&h&&!h.srcEvent.cancelable)this._onPanend(e);else if(h&&this._enabled&&!(d>1)){var p=function(e,t){if(t<0||t>90)return 1;var n=Math.abs(e);return n>t&&n<180-t?X:6}(h.angle,l),f=ve(6,this._direction,p),A=ve(X,this._direction,p);if(c.prevEvent&&K){if(h.center.x<0)return void this.release();this._atRightEdge&&(clearTimeout(this._rightEdgeTimer),h.deltaX<-i?this._atRightEdge=!1:this._rightEdgeTimer=window.setTimeout((function(){return t.release()}),100))}var g=this._getDistance([h.deltaX,h.deltaY],[f,A]),v=this._getOffset([h.offsetX,h.offsetY],[f,A]),m=v.some((function(e){return 0!==e}));m&&(!1!==h.srcEvent.cancelable&&h.srcEvent.preventDefault(),h.srcEvent.stopPropagation()),h.preventSystemEvent=m,m&&(this._isOverThreshold||g>=u)&&(this._dragged=r,this._isOverThreshold=!0,this._observer.change(this,h,Le(this.axes,v))),c.prevEvent=h}},t._onPanend=function(e){var t=this.options.inputButton,n=this._activeEvent;if(n.onEventEnd(e),this._enabled&&0===n.getTouches(e,t)){this._detachWindowEvent(n),clearTimeout(this._rightEdgeTimer);var i=n.prevEvent,r=this._isOverThreshold?this._getOffset([Math.abs(i.velocityX)*(i.offsetX<0?-1:1),Math.abs(i.velocityY)*(i.offsetY<0?-1:1)],[ve(6,this._direction),ve(X,this._direction)]):[0,0];n.onRelease(),this._observer.release(this,i,r)}},t._attachWindowEvent=function(e){var t=this;null==e||e.move.forEach((function(e){window.addEventListener(e,t._onPanmove,ke(e))})),null==e||e.end.forEach((function(e){window.addEventListener(e,t._onPanend,ke(e))}))},t._detachWindowEvent=function(e){var t=this;null==e||e.move.forEach((function(e){window.removeEventListener(e,t._onPanmove)})),null==e||e.end.forEach((function(e){window.removeEventListener(e,t._onPanend)}))},t._getOffset=function(e,t){var n=this.options.scale;return[t[0]?e[0]*n[0]:0,t[1]?e[1]*n[1]:0]},t._getDistance=function(e,t){return Math.sqrt(Number(t[0])*Math.pow(e[0],2)+Number(t[1])*Math.pow(e[1],2))},t._attachElementEvent=function(e){var t=this,n=Ve(this.options.inputType),i=this.element;if(n){if(!i)throw new Error("Element to connect input does not exist.");this._observer=e,this._enabled=!0,this._activeEvent=n,i.addEventListener("click",this._preventClickWhenDragged,!0),n.start.forEach((function(e){i.addEventListener(e,t._onPanstart)})),n.move.forEach((function(e){i.addEventListener(e,t._voidFunction)}))}},t._detachElementEvent=function(){var e=this,t=this._activeEvent,n=this.element;n&&(n.removeEventListener("click",this._preventClickWhenDragged,!0),null==t||t.start.forEach((function(t){n.removeEventListener(t,e._onPanstart)})),null==t||t.move.forEach((function(t){n.removeEventListener(t,e._voidFunction)}))),this._enabled=!1,this._observer=null},e}(),je=function(){function e(e,t){this.axes=[],this.element=null,this._pinchFlag=!1,this._enabled=!1,this._activeEvent=null,this._isOverThreshold=!1,this.element=te(e),this.options=z({scale:1,threshold:0,inputType:["touch","pointer"],touchAction:"none"},t),this._onPinchStart=this._onPinchStart.bind(this),this._onPinchMove=this._onPinchMove.bind(this),this._onPinchEnd=this._onPinchEnd.bind(this)}var t=e.prototype;return t.mapAxes=function(e){this.axes=e},t.connect=function(e){return this._activeEvent&&this._detachEvent(),this._attachEvent(e),this._originalCssProps=me(this.element,this.options,30),this},t.disconnect=function(){return this._detachEvent(),Ae(this._originalCssProps)||ye(this.element,this._originalCssProps),this},t.destroy=function(){this.disconnect(),this.element=null},t.enable=function(){return this._enabled=!0,this},t.disable=function(){return this._enabled=!1,this},t.isEnabled=function(){return this._enabled},t._onPinchStart=function(e){var t=this._activeEvent,n=t.onEventStart(e);n&&this._enabled&&2===t.getTouches(e)&&(this._baseValue=this._observer.get(this)[this.axes[0]],this._observer.hold(this,e),this._pinchFlag=!0,this._isOverThreshold=!1,t.prevEvent=n)},t._onPinchMove=function(e){var t=this.options.threshold,n=this._activeEvent,i=n.onEventMove(e);if(i&&this._pinchFlag&&this._enabled&&2===n.getTouches(e)){var r=this._getDistance(i.scale),o=this._getOffset(i.scale,n.prevEvent.scale);(this._isOverThreshold||r>=t)&&(this._isOverThreshold=!0,this._observer.change(this,e,Le(this.axes,[o]))),n.prevEvent=i}},t._onPinchEnd=function(e){var t=this._activeEvent;t.onEventEnd(e),!this._pinchFlag||!this._enabled||t.getTouches(e)>=2||(t.onRelease(),this._observer.release(this,e,[0],0),this._baseValue=null,this._pinchFlag=!1)},t._attachEvent=function(e){var t=this,n=Ve(this.options.inputType),i=this.element;if(n){if(!i)throw new Error("Element to connect input does not 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i,r,o,s,a,u,l,c,h,d,p,f,A=n[0],g=n[1],v=n[2];t===e?(e[12]=t[0]*A+t[4]*g+t[8]*v+t[12],e[13]=t[1]*A+t[5]*g+t[9]*v+t[13],e[14]=t[2]*A+t[6]*g+t[10]*v+t[14],e[15]=t[3]*A+t[7]*g+t[11]*v+t[15]):(i=t[0],r=t[1],o=t[2],s=t[3],a=t[4],u=t[5],l=t[6],c=t[7],h=t[8],d=t[9],p=t[10],f=t[11],e[0]=i,e[1]=r,e[2]=o,e[3]=s,e[4]=a,e[5]=u,e[6]=l,e[7]=c,e[8]=h,e[9]=d,e[10]=p,e[11]=f,e[12]=i*A+a*g+h*v+t[12],e[13]=r*A+u*g+d*v+t[13],e[14]=o*A+l*g+p*v+t[14],e[15]=s*A+c*g+f*v+t[15])}(o,o,a.offset),function(e,t){var n=t[0],i=t[1],r=t[2],o=t[3],s=t[4],a=t[5],u=t[6],l=t[7],c=t[8],h=t[9],d=t[10],p=t[11],f=t[12],A=t[13],g=t[14],v=t[15],m=n*a-i*s,y=n*u-r*s,_=n*l-o*s,w=i*u-r*a,b=i*l-o*a,x=r*l-o*u,E=c*A-h*f,T=c*g-d*f,S=c*v-p*f,R=h*g-d*A,M=h*v-p*A,C=d*v-p*g,P=m*C-y*M+_*R+w*S-b*T+x*E;P&&(P=1/P,e[0]=(a*C-u*M+l*R)*P,e[1]=(r*M-i*C-o*R)*P,e[2]=(A*x-g*b+v*w)*P,e[3]=(d*b-h*x-p*w)*P,e[4]=(u*S-s*C-l*T)*P,e[5]=(n*C-r*S+o*T)*P,e[6]=(g*_-f*x-v*y)*P,e[7]=(c*x-d*_+p*y)*P,e[8]=(s*M-a*S+l*E)*P,e[9]=(i*S-n*M-o*E)*P,e[10]=(f*b-A*_+v*m)*P,e[11]=(h*_-c*b-p*m)*P,e[12]=(a*T-s*R-u*E)*P,e[13]=(n*R-i*T+r*E)*P,e[14]=(A*y-f*w-g*m)*P,e[15]=(c*w-h*y+d*m)*P)}(o,o)}return function(e,t,n){return!(!e||!t||(e.pose=t,e.timestamp=t.timestamp,r(e.leftProjectionMatrix,e.leftViewMatrix,t,n.getEyeParameters("left"),n),r(e.rightProjectionMatrix,e.rightViewMatrix,t,n.getEyeParameters("right"),n),0))}}(),Un.isInsideCrossDomainIFrame=function(){var e=en.self!==en.top,t=Un.getDomainFromUrl(tn.referrer),n=Un.getDomainFromUrl(en.location.href);return e&&t!==n},Un.getDomainFromUrl=function(e){return(e.indexOf("://")>-1?e.split("/")[2]:e.split("/")[0]).split(":")[0]};var Wn=function(){function e(e){this.predictionTimeS=e,this.previousQ=new On.Quaternion,this.previousTimestampS=null,this.deltaQ=new On.Quaternion,this.outQ=new On.Quaternion}return e.prototype.getPrediction=function(e,t,n){if(!this.previousTimestampS)return this.previousQ.copy(e),this.previousTimestampS=n,e;var i=new On.Vector3;i.copy(t),i.normalize();var r=t.length();if(r<20*On.degToRad)return Un.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(On.radToDeg*r).toFixed(1)),this.outQ.copy(e),this.previousQ.copy(e),this.outQ;this.previousTimestampS;var o=r*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(i,o),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(e),this.previousTimestampS=n,this.outQ},e}(),Gn=function(e){function t(){var t=e.call(this)||this;return t._onDeviceMotion=t._onDeviceMotion.bind(t),t._onDeviceOrientation=t._onDeviceOrientation.bind(t),t._onChromeWithoutDeviceMotion=t._onChromeWithoutDeviceMotion.bind(t),t.isWithoutDeviceMotion=Cn,t.isAndroid=Pn,t.stillGyroVec=$e(),t.rawGyroVec=$e(),t.adjustedGyroVec=$e(),t._timer=-1,t.lastDevicemotionTimestamp=0,t._isEnabled=!1,t.enable(),t}Yt(t,e);var n=t.prototype;return n.enable=function(){this.isAndroid&&en.addEventListener("deviceorientation",this._onDeviceOrientation),this.isWithoutDeviceMotion?en.addEventListener("deviceorientation",this._onChromeWithoutDeviceMotion):en.addEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!0},n.disable=function(){en.removeEventListener("deviceorientation",this._onDeviceOrientation),en.removeEventListener("deviceorientation",this._onChromeWithoutDeviceMotion),en.removeEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!1},n._onChromeWithoutDeviceMotion=function(e){var t=e.alpha,n=e.beta,i=e.gamma;null!==t&&(t=(t||0)*Math.PI/180,n=(n||0)*Math.PI/180,i=(i||0)*Math.PI/180,this.trigger(new u("devicemotion",{inputEvent:{deviceorientation:{alpha:t,beta:n,gamma:-i}}})))},n._onDeviceOrientation=function(){var e=this;this._timer&&clearTimeout(this._timer),this._timer=en.setTimeout((function(){(new Date).getTime()-e.lastDevicemotionTimestamp<200&&function(e,t){e[0]=t[0],e[1]=t[1],e[2]=t[2]}(e.stillGyroVec,e.rawGyroVec)}),200)},n._onDeviceMotion=function(e){var t=!(null==e.rotationRate.alpha),n=!(null==e.accelerationIncludingGravity.x);if(0!==e.interval&&t&&n){var i=Zt({},e);i.interval=e.interval,i.timeStamp=e.timeStamp,i.type=e.type,i.rotationRate={alpha:e.rotationRate.alpha,beta:e.rotationRate.beta,gamma:e.rotationRate.gamma},i.accelerationIncludingGravity={x:e.accelerationIncludingGravity.x,y:e.accelerationIncludingGravity.y,z:e.accelerationIncludingGravity.z},i.acceleration={x:e.acceleration.x,y:e.acceleration.y,z:e.acceleration.z},this.isAndroid&&(function(e,t,n,i){e[0]=t,e[1]=n,e[2]=i}(this.rawGyroVec,e.rotationRate.alpha||0,e.rotationRate.beta||0,e.rotationRate.gamma||0),tt(this.adjustedGyroVec,this.rawGyroVec,this.stillGyroVec),this.lastDevicemotionTimestamp=(new Date).getTime(),i.adjustedRotationRate={alpha:this.adjustedGyroVec[0],beta:this.adjustedGyroVec[1],gamma:this.adjustedGyroVec[2]}),this.trigger(new u("devicemotion",{inputEvent:i}))}},t}(l),jn=function(){function e(e,t){this.set(e,t)}var t=e.prototype;return t.set=function(e,t){this.sample=e,this.timestampS=t},t.copy=function(e){this.set(e.sample,e.timestampS)},e}(),zn=function(){function e(e){this.addGyroMeasurement=function(e,t){this.currentGyroMeasurement.set(e,t);var n=t-this.previousGyroMeasurement.timestampS;Un.isTimestampDeltaValid(n)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},this.kFilter=e,this.currentAccelMeasurement=new jn,this.currentGyroMeasurement=new jn,this.previousGyroMeasurement=new jn,Un.isIOS()?this.filterQ=new On.Quaternion(-1,0,0,1):this.filterQ=new On.Quaternion(1,0,0,1),this.previousFilterQ=new On.Quaternion,this.previousFilterQ.copy(this.filterQ),this.accelQ=new On.Quaternion,this.isOrientationInitialized=!1,this.estimatedGravity=new On.Vector3,this.measuredGravity=new On.Vector3,this.gyroIntegralQ=new On.Quaternion}var t=e.prototype;return t.addAccelMeasurement=function(e,t){this.currentAccelMeasurement.set(e,t)},t.getOrientation=function(){return this.filterQ},t.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var e=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,t=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,e);this.gyroIntegralQ.multiply(t),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(t);var n=new On.Quaternion;n.copy(this.filterQ),n.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(n),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var i=new On.Quaternion;i.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),i.inverse(),Un.isDebug()&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",On.radToDeg*Un.getQuaternionAngle(i),this.estimatedGravity.x.toFixed(1),this.estimatedGravity.y.toFixed(1),this.estimatedGravity.z.toFixed(1),this.measuredGravity.x.toFixed(1),this.measuredGravity.y.toFixed(1),this.measuredGravity.z.toFixed(1));var r=new On.Quaternion;r.copy(this.filterQ),r.multiply(i),this.filterQ.slerp(r,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},t.accelToQuaternion_=function(e){var t=new On.Vector3;t.copy(e),t.normalize();var n=new On.Quaternion;return n.setFromUnitVectors(new On.Vector3(0,0,-1),t),n.inverse(),n},t.gyroToQuaternionDelta_=function(e,t){var n=new On.Quaternion,i=new On.Vector3;return i.copy(e),i.normalize(),n.setFromAxisAngle(i,e.length()*t),n},e}();zn.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var e=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,t=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,e);this.gyroIntegralQ.multiply(t),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(t);var n=new On.Quaternion;n.copy(this.filterQ),n.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(n),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var i=new On.Quaternion;i.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),i.inverse();var r=new On.Quaternion;r.copy(this.filterQ),r.multiply(i),this.filterQ.slerp(r,1-this.kFilter),this.previousFilterQ.copy(this.filterQ),this.isFilterQuaternionInitialized||(this.isFilterQuaternionInitialized=!0)},zn.prototype.getOrientation=function(){return this.isFilterQuaternionInitialized?this.filterQ:null};var Xn,Hn,qn=function(e){function t(){var t=e.call(this)||this;return t.deviceMotion=new Gn,t.accelerometer=new On.Vector3,t.gyroscope=new On.Vector3,t._onDeviceMotionChange=t._onDeviceMotionChange.bind(t),t._onScreenOrientationChange=t._onScreenOrientationChange.bind(t),t.filter=new zn(.98),t.posePredictor=new Wn(.04),t.filterToWorldQ=new On.Quaternion,t.isFirefoxAndroid=Un.isFirefoxAndroid(),t.isIOS=an||un,t.isChromeUsingDegrees=Mn>=66,t._isEnabled=!1,t.isIOS?t.filterToWorldQ.setFromAxisAngle(new On.Vector3(1,0,0),Math.PI/2):t.filterToWorldQ.setFromAxisAngle(new On.Vector3(1,0,0),-Math.PI/2),t.inverseWorldToScreenQ=new On.Quaternion,t.worldToScreenQ=new On.Quaternion,t.originalPoseAdjustQ=new On.Quaternion,t.originalPoseAdjustQ.setFromAxisAngle(new On.Vector3(0,0,1),-en.orientation*Math.PI/180),t._setScreenTransform(),Un.isLandscapeMode()&&t.filterToWorldQ.multiply(t.inverseWorldToScreenQ),t.resetQ=new On.Quaternion,t.deviceMotion.on("devicemotion",t._onDeviceMotionChange),t.enable(),t}Yt(t,e);var n=t.prototype;return n.enable=function(){this.isEnabled()||(this.deviceMotion.enable(),this._isEnabled=!0,en.addEventListener("orientationchange",this._onScreenOrientationChange))},n.disable=function(){this.isEnabled()&&(this.deviceMotion.disable(),this._isEnabled=!1,en.removeEventListener("orientationchange",this._onScreenOrientationChange))},n.isEnabled=function(){return this._isEnabled},n.destroy=function(){this.disable(),this.deviceMotion=null},n.getOrientation=function(){var e;if(this.deviceMotion.isWithoutDeviceMotion&&this._deviceOrientationQ){this.deviceOrientationFixQ=this.deviceOrientationFixQ||(new On.Quaternion).setFromAxisAngle(new On.Vector3(0,1,0),-this._alpha),e=this._deviceOrientationQ,(n=new On.Quaternion).copy(e),n.multiply(this.filterToWorldQ),n.multiply(this.resetQ),n.multiply(this.worldToScreenQ),n.multiplyQuaternions(this.deviceOrientationFixQ,n);var t=ht(n.x,n.y,n.z,n.w);return pt(t,t)}if(!(e=this.filter.getOrientation()))return null;var n=this._convertFusionToPredicted(e);return t=ht(n.x,n.y,n.z,n.w),pt(t,t)},n._triggerChange=function(){var e=this.getOrientation();e&&(this._prevOrientation?function(e,t){var n=e[0],i=e[1],r=e[2],o=e[3],s=t[0],a=t[1],u=t[2],l=t[3];return Math.abs(n-s)<=qe*Math.max(1,Math.abs(n),Math.abs(s))&&Math.abs(i-a)<=qe*Math.max(1,Math.abs(i),Math.abs(a))&&Math.abs(r-u)<=qe*Math.max(1,Math.abs(r),Math.abs(u))&&Math.abs(o-l)<=qe*Math.max(1,Math.abs(o),Math.abs(l))}(this._prevOrientation,e)||this.trigger(new u("change",{quaternion:e})):this._prevOrientation=e)},n._convertFusionToPredicted=function(e){this.predictedQ=this.posePredictor.getPrediction(e,this.gyroscope,this.previousTimestampS);var t=new On.Quaternion;return t.copy(this.filterToWorldQ),t.multiply(this.resetQ),t.multiply(this.predictedQ),t.multiply(this.worldToScreenQ),t},n._onDeviceMotionChange=function(e){var t=e.inputEvent,n=t.deviceorientation,i=t,r=i.accelerationIncludingGravity,o=i.adjustedRotationRate||i.rotationRate,s=i.timeStamp/1e3;n?(this._alpha||(this._alpha=n.alpha),this._deviceOrientationQ=this._deviceOrientationQ||new On.Quaternion,this._deviceOrientationQ.setFromEulerYXZ(n.beta,n.alpha,n.gamma),this._triggerChange()):(this.isFirefoxAndroid&&(s/=1e3),this.accelerometer.set(-r.x,-r.y,-r.z),this.gyroscope.set(o.alpha,o.beta,o.gamma),(this.isIOS||this.isFirefoxAndroid||this.isChromeUsingDegrees)&&this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addAccelMeasurement(this.accelerometer,s),this.filter.addGyroMeasurement(this.gyroscope,s),this._triggerChange(),this.previousTimestampS=s)},n._onScreenOrientationChange=function(){this._setScreenTransform()},n._setScreenTransform=function(){this.worldToScreenQ.set(0,0,0,1);var e=en.orientation;switch(e){case 0:break;case 90:case-90:case 180:this.worldToScreenQ.setFromAxisAngle(new On.Vector3(0,0,1),e/-180*Math.PI)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},t}(l),Yn=function(e,t){return mn.getRotationDelta(e,t,yn.PITCH_DELTA)},Zn=function(e){function t(t,n){void 0===n&&(n={});var i=e.call(this)||this;return i.element=t,i._prevQuaternion=null,i._quaternion=null,i.fusionPoseSensor=null,i.options=Zt({scale:1,threshold:0},n),i._onPoseChange=i._onPoseChange.bind(i),i}Yt(t,e);var n=t.prototype;return n.mapAxes=function(e){this.axes=e},n.connect=function(e){return this.observer||(this.observer=e,this.fusionPoseSensor=new qn,this.fusionPoseSensor.enable(),this._attachEvent()),this},n.disconnect=function(){return this.observer?(this._dettachEvent(),this.fusionPoseSensor.disable(),this.fusionPoseSensor.destroy(),this.fusionPoseSensor=null,this.observer=null,this):this},n.destroy=function(){this.disconnect(),this.element=null,this.options=null,this.axes=null,this._prevQuaternion=null,this._quaternion=null},n._onPoseChange=function(e){if(!this._prevQuaternion)return this._prevQuaternion=ct(e.quaternion),void(this._quaternion=ct(e.quaternion));var t,n,i,r;dt(this._prevQuaternion,this._quaternion),dt(this._quaternion,e.quaternion),this.observer.change(this,e,(t=this.axes,[(n=this._prevQuaternion,i=this._quaternion,r=mn.getRotationDelta(n,i,yn.YAW_DELTA_BY_YAW),mn.getRotationDelta(n,i,yn.YAW_DELTA_BY_ROLL)*Math.sin(mn.extractPitchFromQuat(i))+r),Yn(this._prevQuaternion,this._quaternion)].reduce((function(e,n,i){return t[i]&&(e[t[i]]=n),e}),{})))},n._attachEvent=function(){this.fusionPoseSensor.on("change",this._onPoseChange)},n._dettachEvent=function(){this.fusionPoseSensor.off("change",this._onPoseChange)},t}(l),Kn=null,$n=0,Jn=function(){function e(){if($n++,Kn)return Kn;Kn=this,this._onDeviceOrientation=this._onDeviceOrientation.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._spinR=0,this._screenOrientationAngle=0,en.addEventListener("deviceorientation",this._onDeviceOrientation),en.addEventListener("orientationchange",this._onOrientationChange)}var t=e.prototype;return t.getRadian=function(){return this._spinR+Ke(this._screenOrientationAngle)},t.unref=function(){--$n>0||(en.removeEventListener("deviceorientation",this._onDeviceOrientation),en.removeEventListener("orientationchange",this._onOrientationChange),this._spinR=0,this._screenOrientationAngle=0,Kn=null,$n=0)},t._onDeviceOrientation=function(e){if(null!==e.beta&&null!==e.gamma){var t=Ke(e.beta),n=Ke(e.gamma);this._spinR=Math.atan2(Math.cos(t)*Math.sin(n),Math.sin(t))}},t._onOrientationChange=function(){en.screen&&en.screen.orientation&&void 0!==en.screen.orientation.angle?this._screenOrientationAngle=screen.orientation.angle:void 0!==en.orientation&&(this._screenOrientationAngle=en.orientation>=0?en.orientation:360+en.orientation)},e}(),ei=function(e){function t(t,n){void 0===n&&(n={});var i=e.call(this,t,n)||this;return i._useRotation=!1,i._screenRotationAngle=null,i.setUseRotation(!(!n||!n.useRotation)),i._userDirection=He.DIRECTION_ALL,i}Yt(t,e);var n=t.prototype;return n.setUseRotation=function(e){this._useRotation=e,this._screenRotationAngle&&(this._screenRotationAngle.unref(),this._screenRotationAngle=null),this._useRotation&&(this._screenRotationAngle=new Jn)},n.connect=function(t){return this._userDirection=this._direction,this._useRotation&&this._direction&He.DIRECTION_ALL&&(this._direction=He.DIRECTION_HORIZONTAL),e.prototype.connect.call(this,t)},n.destroy=function(){this._useRotation&&this._screenRotationAngle&&this._screenRotationAngle.unref(),e.prototype.destroy.call(this)},n._getOffset=function(t,n){if(!1===this._useRotation)return e.prototype._getOffset.call(this,t,n);var i=e.prototype._getOffset.call(this,t,[!0,!0]),r=[0,0],o=this._screenRotationAngle.getRadian(),s=Math.cos(o),a=Math.sin(o);return r[0]=i[0]*s-i[1]*a,r[1]=i[1]*s+i[0]*a,this._userDirection&He.DIRECTION_HORIZONTAL?this._userDirection&He.DIRECTION_VERTICAL||(r[1]=0):r[0]=0,r},t}(Ge),ti=et(0,1,0),ni=function(e){function t(){var t=e.call(this)||this;return t._fusionPoseSensor=new qn,t._quaternion=lt(),t._fusionPoseSensor.enable(),t._fusionPoseSensor.on("change",(function(e){t._quaternion=e.quaternion,t.trigger(new u("change",{isTrusted:!0}))})),t}Yt(t,e);var n=t.prototype;return 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this.options.gyroMode===In.VR},n.destroy=function(){this._axes&&this._axes.destroy(),this._axesPanInput&&this._axesPanInput.destroy(),this._axesWheelInput&&this._axesWheelInput.destroy(),this._axesTiltMotionInput&&this._axesTiltMotionInput.destroy(),this._axesPinchInput&&this._axesPinchInput.destroy(),this._axesMoveKeyInput&&this._axesMoveKeyInput.destroy(),this._deviceQuaternion&&this._deviceQuaternion.destroy()},n._initAxes=function(e){var t=this,n=this._updateYawRange(e.yawRange,e.fov,e.aspectRatio),i=this._updatePitchRange(e.pitchRange,e.fov,e.showPolePoint),r=e.gyroMode===In.VR;this._axesPanInput=new ei(this._element,{useRotation:r}),this._axesWheelInput=new ze(this._element,{scale:-4}),this._axesTiltMotionInput=null,this._axesPinchInput=cn?new je(this._element,{scale:-1}):null,this._axesMoveKeyInput=new Xe(this._element,{scale:[-6,6]}),this._axes=new He({yaw:{range:n,circular:this._isCircular(n),bounce:[0,0]},pitch:{range:i,circular:this._isCircular(i),bounce:[0,0]},fov:{range:e.fovRange,circular:[!1,!1],bounce:[0,0]}},{deceleration:Fn,maximumDuration:1e3},{yaw:e.yaw,pitch:e.pitch,fov:e.fov}).on({hold:function(e){t._axes.options.maximumDuration=1e3,t.trigger(new u("hold",{isTrusted:e.isTrusted}))},change:function(e){0!==e.delta.fov&&(t._updateControlScale(e),t.updatePanScale()),t._triggerChange(e)},release:function(e){t._triggerChange(e)},animationEnd:function(e){t.trigger(new u("animationEnd",{isTrusted:e.isTrusted}))}})},n._getValidatedOptions=function(e){return e.yawRange&&(e.yawRange=this._getValidYawRange(e.yawRange,e.fov,e.aspectRatio)),e.pitchRange&&(e.pitchRange=this._getValidPitchRange(e.pitchRange,e.fov)),e},n._getOptions=function(e){var t;return"string"==typeof e?t=this.options[e]:0===arguments.length&&(t=this.options),t},n._setOptions=function(e){for(var t in e)this.options[t]=e[t]},n._applyOptions=function(e){var t=this.options,n=this._axes,i=t.gyroMode===In.VR,r=t.gyroMode===In.YAWPITCH,o=i?2&t.touchDirection:t.touchDirection;if(e.some((function(e){return"showPolePoint"===e||"fov"===e||"aspectRatio"===e||"yawRange"===e||"pitchRange"===e}))&&(e.indexOf("fov")>=0&&(n.setTo({fov:t.fov}),this.updatePanScale()),this._updateControlScale()),e.some((function(e){return"fovRange"===e}))){var s=t.fovRange,a=n.get().fov,u=n.get().fov;At(n.axis.fov.range,s),u<s[0]?u=s[0]:a>s[1]&&(u=s[1]),a!==u&&(n.setTo({fov:u},0),this._updateControlScale(),this.updatePanScale())}if(e.some((function(e){return"gyroMode"===e}))&&hn&&(this._axesTiltMotionInput&&(this._axes.disconnect(this._axesTiltMotionInput),this._axesTiltMotionInput.destroy(),this._axesTiltMotionInput=null),this._deviceQuaternion&&(this._deviceQuaternion.destroy(),this._deviceQuaternion=null),i?this._initDeviceQuaternion():r&&(this._axesTiltMotionInput=new 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At(this._axes.axis.yaw.range,r),At(this._axes.axis.pitch.range,i),this._axes.axis.yaw.circular=this._isCircular(r),this._axes.axis.pitch.circular=this._isCircular(i),s<r[0]?s=r[0]:s>r[1]&&(s=r[1]),a<i[0]?a=i[0]:a>i[1]&&(a=i[1]),e&&e.set({yaw:s,pitch:a}),this._axes.setTo({yaw:s,pitch:a},0),this},n._updatePitchRange=function(e,t,n){if(this.options.gyroMode===In.VR)return oi;var i=e[1]-e[0],r=t/2;return!n||i<180?[e[0]+r,e[1]-r]:e.concat()},n._updateYawRange=function(e,t,n){if(this.options.gyroMode===In.VR)return ii;if(e[1]-e[0]>=360)return e.concat();var i=mn.toDegree(Math.atan2(n,1/Math.tan(Ke(t/2))));return[e[0]+i,e[1]-i]},n._triggerChange=function(e){var t=this._axes.get(),n=this.options,i={targetElement:n.element,isTrusted:e.isTrusted,yaw:t.yaw,pitch:t.pitch,fov:t.fov,quaternion:null};n.gyroMode===In.VR&&this._deviceQuaternion&&(i.quaternion=this._deviceQuaternion.getCombinedQuaternion(t.yaw)),this.trigger(new u("change",i))},n._adjustAspectRatio=function(e){for(var 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r=document.createElement("source");r.src=n,i&&(r.type=i),e.appendChild(r)},fi={0:"NO_ERROR",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",37442:"CONTEXT_LOST_WEBGL"},Ai=null,gi=function(){function e(){}return e.createShader=function(e,t,n){var i=e.createShader(t);return e.shaderSource(i,n),e.compileShader(i),e.getShaderParameter(i,e.COMPILE_STATUS)?i:(console.error(e.getShaderInfoLog(i)),null)},e.createProgram=function(e,t,n){var i=e.createProgram();return e.attachShader(i,t),e.attachShader(i,n),e.linkProgram(i),e.deleteShader(t),e.deleteShader(n),e.getProgramParameter(i,e.LINK_STATUS)?i:(e.deleteProgram(i),null)},e.initBuffer=function(e,t,n,i,r){var o=e.createBuffer();return e.bindBuffer(t,o),e.bufferData(t,n,e.STATIC_DRAW),o&&(o.itemSize=i,o.numItems=n.length/i),void 0!==r&&(e.enableVertexAttribArray(r),e.vertexAttribPointer(r,o.itemSize,e.FLOAT,!1,0,0)),o},e.getWebglContext=function(e,t){var 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t=e.gl,n=e.shaderProgram,i=e.indexBuffer,r=e.mvMatrix,o=e.pMatrix;t.uniformMatrix4fv(n.pMatrixUniform,!1,o),t.uniformMatrix4fv(n.mvMatrixUniform,!1,r),i&&t.drawElements(t.TRIANGLES,i.numItems,t.UNSIGNED_SHORT,0)},n.getDimension=function(e){return{width:e.naturalWidth||e.videoWidth,height:e.naturalHeight||e.videoHeight}},n.updateShaderData=function(e){},n._initPixelSource=function(e,t){if(void 0===t&&(t=null),mi&&e instanceof HTMLVideoElement||t){var n=t||this.getDimension(e),i=n.width,r=n.height;this._pixelCanvas=document.createElement("canvas"),this._pixelCanvas.width=i,this._pixelCanvas.height=r,this._pixelContext=this._pixelCanvas.getContext("2d")}this._forceDimension=t},n._getPixelSource=function(e){if(!this._pixelCanvas)return e;var t=this.getDimension(e),n=this._forceDimension||t;return 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s=r.getUniformLocation(o,"uTexScaleOffset");r.uniform4fv(s,Jt(n,i)),e.prototype.render.call(this,t)},n.getVertexPositionData=function(){return t._VERTEX_POSITION_DATA},n.getIndexData=function(){return t._INDEX_DATA},n.getTextureCoordData=function(){return t._TEXTURE_COORD_DATA},n.getVertexShaderSource=function(){return"\nattribute vec3 aVertexPosition;\nattribute vec2 aTextureCoord;\nuniform mat4 uMVMatrix;\nuniform mat4 uPMatrix;\nuniform float uEye;\nuniform vec4 uTexScaleOffset[2];\nvarying highp vec2 vTextureCoord;\nvoid main(void) {\n  vec4 scaleOffset = uTexScaleOffset[int(uEye)];\n  vTextureCoord = aTextureCoord.xy * scaleOffset.xy + scaleOffset.zw;\n  gl_Position = uPMatrix * uMVMatrix * vec4(aVertexPosition, 1.0);\n}"},n.getFragmentShaderSource=function(){return"\nprecision highp float;\nvarying highp vec2 vTextureCoord;\nuniform sampler2D uSampler;\nvoid main(void) {\n  gl_FragColor = texture2D(uSampler, 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Boolean(this._vrDisplay)},t.beforeRender=function(e){e.bindFramebuffer(e.FRAMEBUFFER,null)},t.afterRender=function(){this._vrDisplay.submitFrame()},t.getEyeParams=function(e){var t=this._vrDisplay,n=.5*e.drawingBufferWidth,i=e.drawingBufferHeight,r=this._frameData;t.getFrameData(r);var o=r.leftViewMatrix,s=r.rightViewMatrix;return yt(o,o,this._yawOffset),yt(s,s,this._yawOffset),[{viewport:[0,0,n,i],mvMatrix:o,pMatrix:r.leftProjectionMatrix},{viewport:[n,0,n,i],mvMatrix:s,pMatrix:r.rightProjectionMatrix}]},t.isPresenting=function(){return Boolean(this._vrDisplay&&this._vrDisplay.isPresenting)},t.addEndCallback=function(e){window.addEventListener(zi,e)},t.removeEndCallback=function(e){window.removeEventListener(zi,e)},t.requestPresent=function(e){var t=this;return navigator.getVRDisplays().then((function(n){var i=n.length&&n[0];return i?i.capabilities.canPresent?i.requestPresent([{source:e}]).then((function(){var 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t.setCallback=function(e){this._callback=e},t.setContext=function(e){this._context=e},t.start=function(){var e=this._context,t=this._callback;e&&t&&(this._rafId>=0||this._rafTimer>=0||(this._rafId=un?e.requestAnimationFrame(this._onLoopNextTick):e.requestAnimationFrame(this._onLoop)))},t.stop=function(){this._rafId>=0&&this._context.cancelAnimationFrame(this._rafId),this._rafTimer>=0&&clearTimeout(this._rafTimer),this._rafId=-1,this._rafTimer=-1},e}(),$i=li,Ji=pn||1;Ji>2&&(Ji=2);var er={BIND_TEXTURE:"bindTexture",IMAGE_LOADED:"imageLoaded",ERROR:"error",RENDERING_CONTEXT_LOST:"renderingContextLost",RENDERING_CONTEXT_RESTORE:"renderingContextRestore"},tr={INVALID_DEVICE:10,NO_WEBGL:11,FAIL_IMAGE_LOAD:12,RENDERER_ERROR:13},nr=function(e){function t(t,n,i,r,o,s,a,u){var l=e.call(this)||this;return l.textureCoordBuffer=null,l.vertexBuffer=null,l.indexBuffer=null,l.exitVR=function(){var e=l._vr,t=l.context,n=l._animator;e&&(e.removeEndCallback(l.exitVR),e.destroy(),l._vr=null,an&&l._restoreStyle(),l.updateViewportDimensions(l.width,l.height),l._updateViewport(),t.bindFramebuffer(t.FRAMEBUFFER,null),l._bindBuffers(),l._shouldForceDraw=!0,n.stop(),n.setContext(window),n.setCallback(l._render.bind(l)),n.start())},l._renderStereo=function(e,t){var n,i,r=l._vr,o=l.context,s=r.getEyeParams(o,t);if(s){r.beforeRender(o,t);try{for(var a=Kt([0,1]),u=a.next();!u.done;u=a.next()){var c=u.value,h=s[c];l.mvMatrix=h.mvMatrix,l.pMatrix=h.pMatrix,o.viewport.apply(o,Jt(h.viewport)),o.uniform1f(l.shaderProgram.uEye,c),l._bindBuffers(),l._draw()}}catch(e){n={error:e}}finally{try{u&&!u.done&&(i=a.return)&&i.call(a)}finally{if(n)throw n.error}}r.afterRender()}},l._onFirstVRFrame=function(e,t){var n=l._vr,i=l.context,r=l._animator;if(n.canRender(t)){var o=et(0,0,-1),s=n.getEyeParams(i,t)[0],a=at(st(),s.mvMatrix),u=at(st(),s.pMatrix),c=ut(st(),a),h=ut(st(),u),d=it($e(),o,h);it(d,d,c);var p=mn.yawOffsetBetween(d,et(0,0,1));0!==p&&(n.setYawOffset(p),r.setCallback(l._renderStereo))}},l.sphericalConfig=a,l.fieldOfView=a.fieldOfView,l.width=n,l.height=i,l._lastQuaternion=null,l._lastYaw=null,l._lastPitch=null,l._lastFieldOfView=null,l.pMatrix=vt(),l.mvMatrix=vt(),_t(l.pMatrix,Ke(l.fieldOfView),n/i,.1,100),l.textureCoordBuffer=null,l.vertexBuffer=null,l.indexBuffer=null,l.canvas=l._initCanvas(o,s,n,i),l._setDefaultCanvasStyle(),l._wrapper=null,l._wrapperOrigStyle=null,l._renderingContextAttributes=u,l._image=null,l._imageConfig=null,l._imageIsReady=!1,l._shouldForceDraw=!1,l._keepUpdate=!1,l._onContentLoad=l._onContentLoad.bind(l),l._onContentError=l._onContentError.bind(l),l._animator=new Ki,l._vr=null,t&&l.setImage({image:t,imageType:a.imageType,isVideo:r,cubemapConfig:a.cubemapConfig}),l}Yt(t,e);var n=t.prototype;return n.setYawPitchControl=function(e){this._yawPitchControl=e},n.getContent=function(){return this._image},n.setImage=function(e){var t=e.image,n=e.imageType,i=e.isVideo,r=void 0!==i&&i,o=e.cubemapConfig;this._imageIsReady=!1,this._isVideo=r,this._imageConfig=Zt({order:n===$i.CUBEMAP?"RLUDBF":"RLUDFB",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},o),this._setImageType(n),this._contentLoader&&this._contentLoader.destroy(),this._contentLoader=(new Xt).on("ready",this._onContentLoad).on("error",this._onContentError),r?(this._image=function(e){if(e instanceof HTMLVideoElement)return e;var t=document.createElement("video");return t.setAttribute("crossorigin","anonymous"),t.setAttribute("webkit-playsinline",""),t.setAttribute("playsinline",""),e instanceof Array?e.forEach((function(e){return pi(t,e)})):pi(t,e),t.querySelectorAll("source").length>0&&t.readyState<1&&t.load(),t}(t),this._contentLoader.check([this._image]),this._keepUpdate=!0):(this._image=function(e){var t=(e instanceof Array?e:[e]).map((function(e){var t=e;return"string"==typeof e&&((t=new Image).crossOrigin="anonymous",t.src=e),t}));return 1===t.length?t[0]:t}(t),this._contentLoader.check(Array.isArray(this._image)?this._image:[this._image]),this._keepUpdate=!1)},n.isImageLoaded=function(){return!!this._image&&this._imageIsReady&&(!this._isVideo||this._image.readyState>=2)},n.bindTexture=function(){var e=this;return new w((function(t,n){var i=e._contentLoader;return e._image?i?void(i.isReady()?(e._bindTexture(),t()):(i.check(Array.isArray(e._image)?e._image:[e._image]),i.once("ready",(function(i){i.errorCount>0?n("Failed to load images."):(e._bindTexture(),t())})))):n("ImageLoader is not initialized"):n("Image is not defined")}))},n.attachTo=function(e){this._hasExternalCanvas||(this.detach(),e.appendChild(this.canvas)),this._wrapper=e},n.forceContextLoss=function(){if(this.hasRenderingContext()){var e=this.context.getExtension("WEBGL_lose_context");e&&e.loseContext()}},n.detach=function(){!this._hasExternalCanvas&&this.canvas.parentElement&&this.canvas.parentElement.removeChild(this.canvas)},n.destroy=function(){this._contentLoader&&this._contentLoader.destroy(),this._animator.stop(),this.detach(),this.forceContextLoss(),this.off(),this.canvas.removeEventListener("webglcontextlost",this._onWebglcontextlost),this.canvas.removeEventListener("webglcontextrestored",this._onWebglcontextrestored)},n.hasRenderingContext=function(){var e=this.context;return!(!e||e.isContextLost()||!e.getProgramParameter(this.shaderProgram,e.LINK_STATUS))},n.updateFieldOfView=function(e){this.fieldOfView=e,this._updateViewport()},n.updateViewportDimensions=function(e,t){var n=!1;this.width=e,this.height=t;var i=e*Ji,r=t*Ji;i!==this.canvas.width&&(this.canvas.width=i,n=!0),r!==this.canvas.height&&(this.canvas.height=r,n=!0),n&&(this._updateViewport(),this._shouldForceDraw=!0)},n.keepUpdate=function(e){e&&!1===this.isImageLoaded()&&(this._shouldForceDraw=!0),this._keepUpdate=e},n.startRender=function(){this._animator.setCallback(this._render.bind(this)),this._animator.start()},n.stopRender=function(){this._animator.stop()},n.renderWithQuaternion=function(e,t){this.isImageLoaded()&&(!1===this._keepUpdate&&this._lastQuaternion&&function(e,t){return e[0]===t[0]&&e[1]===t[1]&&e[2]===t[2]&&e[3]===t[3]}(this._lastQuaternion,e)&&this.fieldOfView&&this.fieldOfView===t&&!1===this._shouldForceDraw||(void 0!==t&&t!==this.fieldOfView&&this.updateFieldOfView(t),this.mvMatrix=function(e,t){var n=t[0],i=t[1],r=t[2],o=t[3],s=n+n,a=i+i,u=r+r,l=n*s,c=i*s,h=i*a,d=r*s,p=r*a,f=r*u,A=o*s,g=o*a,v=o*u;return e[0]=1-h-f,e[1]=c+v,e[2]=d-g,e[3]=0,e[4]=c-v,e[5]=1-l-f,e[6]=p+A,e[7]=0,e[8]=d+g,e[9]=p-A,e[10]=1-l-h,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1,e}(vt(),e),this._draw(),this._lastQuaternion=ct(e),this._shouldForceDraw&&(this._shouldForceDraw=!1)))},n.renderWithYawPitch=function(e,t,n){this.isImageLoaded()&&(!1===this._keepUpdate&&null!==this._lastYaw&&this._lastYaw===e&&null!==this._lastPitch&&this._lastPitch===t&&this.fieldOfView&&this.fieldOfView===n&&!1===this._shouldForceDraw||(void 0!==n&&n!==this.fieldOfView&&this.updateFieldOfView(n),function(e){e[0]=1,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=1,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=1,e[11]=0,e[12]=0,e[13]=0,e[14]=0,e[15]=1}(this.mvMatrix),mt(this.mvMatrix,this.mvMatrix,-Ke(t)),yt(this.mvMatrix,this.mvMatrix,-Ke(e)),this._draw(),this._lastYaw=e,this._lastPitch=t,this._shouldForceDraw&&(this._shouldForceDraw=!1)))},n.getProjectionRenderer=function(){return this._renderer},n.enterVR=function(e){var t=this._vr;return gn||navigator.getVRDisplays?t&&t.isPresenting()?w.resolve("VR already enabled."):this._requestPresent(e):w.reject("VR is not available on this browser.")},n._setImageType=function(e){var t=this;if(e&&this._imageType!==e){switch(this._imageType=e,this._isCubeMap=e===$i.CUBEMAP,this._renderer&&this._renderer.off(),e){case $i.CUBEMAP:this._renderer=new wi;break;case $i.CUBESTRIP:this._renderer=new bi;break;case $i.PANORAMA:this._renderer=new ji;break;case $i.STEREOSCOPIC_EQUI:this._renderer=new Ni(this.sphericalConfig.stereoFormat);break;default:this._renderer=new Ni(ci.NONE)}this._renderer.on(_i.EVENTS.ERROR,(function(e){t.trigger(new u(er.ERROR,{type:tr.RENDERER_ERROR,message:e.message}))})),this._initWebGL()}},n._initCanvas=function(e,t,n,i){var r=e.querySelector("."+t),o=r||this._createCanvas(t);return this._hasExternalCanvas=!!r,o.width=n,o.height=i,this._onWebglcontextlost=this._onWebglcontextlost.bind(this),this._onWebglcontextrestored=this._onWebglcontextrestored.bind(this),o.addEventListener("webglcontextlost",this._onWebglcontextlost),o.addEventListener("webglcontextrestored",this._onWebglcontextrestored),o},n._createCanvas=function(e){var t=document.createElement("canvas");return t.className=e,t},n._setDefaultCanvasStyle=function(){var e=this.canvas;e.style.bottom="0",e.style.left="0",e.style.right="0",e.style.top="0",e.style.margin="auto",e.style.maxHeight="100%",e.style.maxWidth="100%",e.style.outline="none",e.style.position="absolute"},n._onContentError=function(){return this._imageIsReady=!1,this._image=null,this.trigger(new u(er.ERROR,{type:tr.FAIL_IMAGE_LOAD,message:"failed to load image"})),!1},n._triggerContentLoad=function(){this.trigger(new u(er.IMAGE_LOADED,{content:this._image,isVideo:this._isVideo,projectionType:this._imageType}))},n._onContentLoad=function(e){e.errorCount>0||(this._imageIsReady=!0,this._triggerContentLoad())},n._initShaderProgram=function(){var e=this.context;this.shaderProgram&&(e.deleteProgram(this.shaderProgram),this.shaderProgram=null);var t=this._renderer,n=t.getVertexShaderSource(),i=t.getFragmentShaderSource(),r=gi.createShader(e,e.VERTEX_SHADER,n),o=gi.createShader(e,e.FRAGMENT_SHADER,i),s=gi.createProgram(e,r,o);if(!s)throw new Error("Failed to initialize shaders: "+gi.getErrorNameFromWebGLErrorCode(e.getError()));e.useProgram(s),s.vertexPositionAttribute=e.getAttribLocation(s,"aVertexPosition"),s.pMatrixUniform=e.getUniformLocation(s,"uPMatrix"),s.mvMatrixUniform=e.getUniformLocation(s,"uMVMatrix"),s.samplerUniform=e.getUniformLocation(s,"uSampler"),s.textureCoordAttribute=e.getAttribLocation(s,"aTextureCoord"),s.uEye=e.getUniformLocation(s,"uEye"),e.enableVertexAttribArray(s.vertexPositionAttribute),e.enableVertexAttribArray(s.textureCoordAttribute),e.clear(e.COLOR_BUFFER_BIT|e.DEPTH_BUFFER_BIT|e.STENCIL_BUFFER_BIT),e.uniform1i(s.samplerUniform,0),this.shaderProgram=s},n._onWebglcontextlost=function(e){e.preventDefault(),this.trigger(new u(er.RENDERING_CONTEXT_LOST))},n._onWebglcontextrestored=function(){this._initWebGL(),this.trigger(new u(er.RENDERING_CONTEXT_RESTORE))},n._updateViewport=function(){_t(this.pMatrix,Ke(this.fieldOfView),this.canvas.width/this.canvas.height,.1,100),this.context.viewport(0,0,this.context.drawingBufferWidth,this.context.drawingBufferHeight)},n._initWebGL=function(){var e;try{this._initRenderingContext(),e=this.context,this.updateViewportDimensions(this.width,this.height),this._initShaderProgram()}catch(e){return this.trigger(new u(er.ERROR,{type:tr.NO_WEBGL,message:"no webgl support"})),this.destroy(),void console.error(e)}e.clearColor(0,0,0,0);var t=this._isCubeMap?e.TEXTURE_CUBE_MAP:e.TEXTURE_2D;this.texture&&e.deleteTexture(this.texture),this.texture=gi.createTexture(e,t),this._imageType===$i.CUBESTRIP&&e.enable(e.CULL_FACE)},n._initRenderingContext=function(){if(!this.hasRenderingContext()){if(!window.WebGLRenderingContext)throw new Error("WebGLRenderingContext not available.");if(this.context=gi.getWebglContext(this.canvas,this._renderingContextAttributes),!this.context)throw new Error("Failed to acquire 3D rendering context")}},n._initBuffers=function(){var e=this._image,t=this._renderer.getVertexPositionData(),n=this._renderer.getIndexData(),i=this._renderer.getTextureCoordData({image:e,imageConfig:this._imageConfig}),r=this.context;this.vertexBuffer=gi.initBuffer(r,r.ARRAY_BUFFER,new Float32Array(t),3,this.shaderProgram.vertexPositionAttribute),this.indexBuffer=gi.initBuffer(r,r.ELEMENT_ARRAY_BUFFER,new Uint16Array(n),1),this.textureCoordBuffer=gi.initBuffer(r,r.ARRAY_BUFFER,new Float32Array(i),this._isCubeMap?3:2,this.shaderProgram.textureCoordAttribute),this._bindBuffers()},n._bindTexture=function(){if(this._imageType===$i.CUBESTRIP){var e=this._renderer.getDimension(this._image),t=e.width,n=e.height,i=t&&n&&t/n!=1.5?1:0;this.context.uniform1f(this.context.getUniformLocation(this.shaderProgram,"uIsEAC"),i)}else if(this._imageType===$i.PANORAMA){var r=this._renderer.getDimension(this._image),o=(t=r.width,n=r.height,t&&n&&t/n);this._renderer.updateShaderData({imageAspectRatio:o})}this._initBuffers(),this._renderer.bindTexture(this.context,this.texture,this._image,this._imageConfig),this._shouldForceDraw=!0,this.trigger(new u(er.BIND_TEXTURE))},n._updateTexture=function(){this._renderer.updateTexture(this.context,this._image,this._imageConfig)},n._render=function(){var e=this._yawPitchControl,t=e.getFov();if(e.shouldRenderWithQuaternion()){var n=e.getQuaternion();this.renderWithQuaternion(n,t)}else{var i=e.getYawPitch();this.renderWithYawPitch(i.yaw,i.pitch,t)}},n._bindBuffers=function(){var e=this.context,t=this.shaderProgram,n=this.vertexBuffer,i=this.textureCoordBuffer;e.bindBuffer(e.ARRAY_BUFFER,n),e.enableVertexAttribArray(t.vertexPositionAttribute),e.vertexAttribPointer(t.vertexPositionAttribute,n.itemSize,e.FLOAT,!1,0,0),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,this.indexBuffer),e.bindBuffer(e.ARRAY_BUFFER,i),e.enableVertexAttribArray(t.textureCoordAttribute),e.vertexAttribPointer(t.textureCoordAttribute,i.itemSize,e.FLOAT,!1,0,0)},n._draw=function(){this._isVideo&&this._keepUpdate&&this._updateTexture(),this._renderer.render({gl:this.context,shaderProgram:this.shaderProgram,indexBuffer:this.indexBuffer,mvMatrix:this.mvMatrix,pMatrix:this.pMatrix})},n._requestPresent=function(e){var t=this,n=this.context,i=this.canvas,r=this._animator;this._vr=gn?new Zi(e):new qi;var o=this._vr;return r.stop(),new w((function(e,s){o.requestPresent(i,n).then((function(){o.addEndCallback(t.exitVR),r.setContext(o.context),r.setCallback(t._onFirstVRFrame),an&&t._setWrapperFullscreen(),t._shouldForceDraw=!0,r.start(),e("success")})).catch((function(e){o.destroy(),t._vr=null,r.start(),s(e)}))}))},n._setWrapperFullscreen=function(){var e=this._wrapper;if(e){this._wrapperOrigStyle=e.getAttribute("style");var t=e.style;t.width="100vw",t.height="100vh",t.position="fixed",t.left="0",t.top="0",t.zIndex="9999"}},n._restoreStyle=function(){var e=this._wrapper,t=this.canvas;e&&(this._wrapperOrigStyle?e.setAttribute("style",this._wrapperOrigStyle):e.removeAttribute("style"),this._wrapperOrigStyle=null,t.removeAttribute("style"),this._setDefaultCanvasStyle())},t.EVENTS=er,t.ERROR_TYPE=tr,t}(l),ir=function(e){function t(n,i){void 0===i&&(i={});var r=e.call(this)||this;if(!gi.isWebGLAvailable())return setTimeout((function(){r.trigger(new u(ui.ERROR,{type:ai.NO_WEBGL,message:"no webgl support"}))}),0),r;if(!gi.isStableWebGL())return setTimeout((function(){r.trigger(new u(ui.ERROR,{type:ai.INVALID_DEVICE,message:"blacklisted browser"}))}),0),r;if(i.image&&i.video)return setTimeout((function(){r.trigger(new u(ui.ERROR,{type:ai.INVALID_RESOURCE,message:"Specifying multi resouces(both image and video) is not valid."}))}),0),r;!function(){var e=window.navigator;e.xr&&(e.xr.isSessionSupported?e.xr.isSessionSupported("immersive-vr").then((function(e){gn=e})).catch((function(){})):e.xr.supportsSession&&e.xr.supportsSession("immersive-vr").then((function(e){gn=e})).catch((function(){})))}(),r._container=n,r._image=i.image||i.video,r._isVideo=!!i.video,r._projectionType=i.projectionType||li.EQUIRECTANGULAR,r._cubemapConfig=Zt({order:r._projectionType===li.CUBEMAP?"RLUDBF":"RLUDFB",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},i.cubemapConfig),r._stereoFormat=i.stereoFormat||ci.TOP_BOTTOM,r._width=i.width||parseInt(window.getComputedStyle(n).width,10),r._height=i.height||parseInt(window.getComputedStyle(n).height,10),r._yaw=i.yaw||0,r._pitch=i.pitch||0,r._fov=i.fov||65,r._gyroMode=i.gyroMode||In.YAWPITCH,r._quaternion=null,r._aspectRatio=0!==r._height?r._width/r._height:1,r._canvasClass=i.canvasClass||di;var o=i.fovRange||[30,110],s=t._isValidTouchDirection(i.touchDirection)?i.touchDirection:si.TOUCH_DIRECTION_ALL,a=Zt(Zt({},i),{element:n,yaw:r._yaw,pitch:r._pitch,fov:r._fov,gyroMode:r._gyroMode,fovRange:o,aspectRatio:r._aspectRatio,touchDirection:s});return r._isReady=!1,r._initYawPitchControl(a),r._initRenderer(r._yaw,r._pitch,r._fov,r._projectionType,r._cubemapConfig),r}Yt(t,e);var n=t.prototype;return t.isSupported=function(){return gi.isWebGLAvailable()&&gi.isStableWebGL()},t.isWebGLAvailable=function(){return gi.isWebGLAvailable()},t.isGyroSensorAvailable=function(e){var n;dn||!e?w.race([new w((function(e){n=function(t){var n=!(null==t.rotationRate.alpha);e(n)},window.addEventListener("devicemotion",n)})),new w((function(e){setTimeout((function(){return e(!1)}),1e3)}))]).then((function(i){window.removeEventListener("devicemotion",n),e&&e(i),t.isGyroSensorAvailable=function(e){return e&&e(i),i}})):e(!1)},t._isValidTouchDirection=function(e){return e===t.TOUCH_DIRECTION.NONE||e===t.TOUCH_DIRECTION.YAW||e===t.TOUCH_DIRECTION.PITCH||e===t.TOUCH_DIRECTION.ALL},n.getVideo=function(){return this._isVideo?this._photoSphereRenderer.getContent():null},n.setVideo=function(e,t){return void 0===t&&(t={}),e&&this.setImage(e,{projectionType:t.projectionType,isVideo:!0,cubemapConfig:t.cubemapConfig,stereoFormat:t.stereoFormat}),this},n.getImage=function(){return this._isVideo?null:this._photoSphereRenderer.getContent()},n.setImage=function(e,t){void 0===t&&(t={});var n=Zt({order:"RLUDBF",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},t.cubemapConfig),i=t.stereoFormat||ci.TOP_BOTTOM,r=!!t.isVideo;return this._image&&this._isVideo!==r?(console.warn("PanoViewer is not currently supporting content type changes. (Image <--\x3e Video)"),this):(e&&(this._deactivate(),this._image=e,this._isVideo=r,this._projectionType=t.projectionType||li.EQUIRECTANGULAR,this._cubemapConfig=n,this._stereoFormat=i,this._initRenderer(this._yaw,this._pitch,this._fov,this._projectionType,this._cubemapConfig)),this)},n.keepUpdate=function(e){return this._photoSphereRenderer.keepUpdate(e),this},n.getProjectionType=function(){return this._projectionType},n.enableSensor=function(){return new w((function(e,t){dn&&"function"==typeof dn.requestPermission?dn.requestPermission().then((function(n){"granted"===n?e():t(new Error("permission denied"))})).catch((function(e){t(e)})):e()}))},n.disableSensor=function(){return this},n.enterVR=function(e){var t=this;return void 0===e&&(e={}),this._isReady?new w((function(n,i){t.enableSensor().then((function(){return t._photoSphereRenderer.enterVR(e)})).then((function(e){return n(e)})).catch((function(e){return i(e)}))})):w.reject(new Error("PanoViewer is not ready to show image."))},n.exitVR=function(){return this._photoSphereRenderer.exitVR(),this},n.setUseZoom=function(e){return"boolean"==typeof e&&this._yawPitchControl.option("useZoom",e),this},n.setUseKeyboard=function(e){return this._yawPitchControl.option("useKeyboard",e),this},n.setGyroMode=function(e){return this._yawPitchControl.option("gyroMode",e),this},n.setFovRange=function(e){return this._yawPitchControl.option("fovRange",e),this},n.getFovRange=function(){return this._yawPitchControl.option("fovRange")},n.updateViewportDimensions=function(e){if(void 0===e&&(e={}),!this._isReady)return this;var t;void 0!==e.width&&void 0!==e.height||(t=window.getComputedStyle(this._container));var n=e.width||parseInt(t.width,10),i=e.height||parseInt(t.height,10);return n===this._width&&i===this._height||(this._width=n,this._height=i,this._aspectRatio=n/i,this._photoSphereRenderer.updateViewportDimensions(n,i),this._yawPitchControl.option("aspectRatio",this._aspectRatio),this._yawPitchControl.updatePanScale({height:i}),this.lookAt({},0)),this},n.getFov=function(){return this._fov},n.getYaw=function(){return this._yaw},n.getPitch=function(){return this._pitch},n.getYawRange=function(){return this._yawPitchControl.option("yawRange")},n.getPitchRange=function(){return this._yawPitchControl.option("pitchRange")},n.setYawRange=function(e){return this._yawPitchControl.option("yawRange",e),this},n.setPitchRange=function(e){return this._yawPitchControl.option("pitchRange",e),this},n.setShowPolePoint=function(e){return this._yawPitchControl.option("showPolePoint",e),this},n.lookAt=function(e,t){if(void 0===t&&(t=0),!this._isReady)return this;var n=void 0!==e.yaw?e.yaw:this._yaw,i=void 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P{constructor(){if(this[C]={matrix:null,position:null,orientation:null,inverse:null},0===arguments.length)this[C].matrix=s(new Float32Array(16));else if(1===arguments.length)arguments[0]instanceof Float32Array?this[C].matrix=arguments[0]:(this[C].position=this._getPoint(arguments[0]),this[C].orientation=DOMPointReadOnly.fromPoint({x:0,y:0,z:0,w:1}));else{if(2!==arguments.length)throw new Error("Too many arguments!");this[C].position=this._getPoint(arguments[0]),this[C].orientation=this._getPoint(arguments[1])}if(this[C].matrix){let e=p();c(e,this[C].matrix),this[C].position=DOMPointReadOnly.fromPoint({x:e[0],y:e[1],z:e[2]});let t=b();h(t,this[C].matrix),this[C].orientation=DOMPointReadOnly.fromPoint({x:t[0],y:t[1],z:t[2],w:t[3]})}else this[C].matrix=s(new Float32Array(16)),l(this[C].matrix,function(e,t,n,i){let o=new r(4);return 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this[F].inputSource}_ensurePoseUpdated(e,t){t!=this[F].lastFrameId&&(this[F].lastFrameId=t,this._onPoseUpdate(e))}_onPoseUpdate(e){"viewer"==this[F].specialType&&(this._baseMatrix=e.getBasePoseMatrix())}set _baseMatrix(e){this[F].baseMatrix=e,this[F].inverseBaseMatrix=null}get _baseMatrix(){return this[F].baseMatrix||this[F].inverseBaseMatrix&&(this[F].baseMatrix=new Float32Array(16),a(this[F].baseMatrix,this[F].inverseBaseMatrix)),this[F].baseMatrix}set _inverseBaseMatrix(e){this[F].inverseBaseMatrix=e,this[F].baseMatrix=null}get _inverseBaseMatrix(){return this[F].inverseBaseMatrix||this[F].baseMatrix&&(this[F].inverseBaseMatrix=new Float32Array(16),a(this[F].inverseBaseMatrix,this[F].baseMatrix)),this[F].inverseBaseMatrix}_getSpaceRelativeTransform(e){if(!this._inverseBaseMatrix||!e._baseMatrix)return null;let t=new Float32Array(16);return u(t,this._inverseBaseMatrix,e._baseMatrix),new P(t)}}const I=Symbol("@@webxr-polyfill/XRReferenceSpace"),O=["viewer","local","local-floor","bounded-floor","unbounded"];class B extends D{constructor(e,t=null){if(!O.includes(e))throw new Error(`XRReferenceSpaceType must be one of ${O}`);if(super(e),"bounded-floor"===e&&!t)throw new Error("XRReferenceSpace cannot use 'bounded-floor' type if the platform does not provide the floor level");(function(e){return"bounded-floor"===e||"local-floor"===e})(e)&&!t&&((t=s(new Float32Array(16)))[13]=1.6),this._inverseBaseMatrix=t||s(new Float32Array(16)),this[I]={type:e,transform:t,originOffset:s(new Float32Array(16))}}_transformBasePoseMatrix(e,t){u(e,this._inverseBaseMatrix,t)}_originOffsetMatrix(){return this[I].originOffset}_adjustForOriginOffset(e){let t=new Float32Array(16);a(t,this[I].originOffset),u(e,t,e)}_getSpaceRelativeTransform(e){let t=super._getSpaceRelativeTransform(e);return this._adjustForOriginOffset(t.matrix),new XRRigidTransform(t.matrix)}getOffsetReferenceSpace(e){let t=new 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this[z].target.y}get width(){return this[z].target.width}get height(){return this[z].target.height}}const H=["left","right","none"],q=Symbol("@@webxr-polyfill/XRView");class Y{constructor(e,t,n,i){if(!H.includes(n))throw new Error(`XREye must be one of: ${H}`);const r=Object.create(null),o=new X(r);this[q]={device:e,eye:n,viewport:o,temp:r,sessionId:i,transform:t}}get eye(){return this[q].eye}get projectionMatrix(){return this[q].device.getProjectionMatrix(this.eye)}get transform(){return this[q].transform}_getViewport(e){if(this[q].device.getViewport(this[q].sessionId,this.eye,e,this[q].temp))return this[q].viewport}}const Z=Symbol("@@webxr-polyfill/XRFrame"),K="XRFrame access outside the callback that produced it is invalid.";let $=0;class J{constructor(e,t,n){this[Z]={id:++$,active:!1,animationFrame:!1,device:e,session:t,sessionId:n}}get session(){return this[Z].session}getViewerPose(e){if(!this[Z].animationFrame)throw new DOMException("getViewerPose can only be called on XRFrame objects passed to XRSession.requestAnimationFrame callbacks.","InvalidStateError");if(!this[Z].active)throw new DOMException(K,"InvalidStateError");const t=this[Z].device,n=this[Z].session;n[pe].viewerSpace._ensurePoseUpdated(t,this[Z].id),e._ensurePoseUpdated(t,this[Z].id);let i=e._getSpaceRelativeTransform(n[pe].viewerSpace);const r=[];for(let i of n[pe].viewSpaces){i._ensurePoseUpdated(t,this[Z].id);let n=e._getSpaceRelativeTransform(i),o=new Y(t,n,i.eye,this[Z].sessionId);r.push(o)}return new j(i,r,!1)}getPose(e,t){if(!this[Z].active)throw new DOMException(K,"InvalidStateError");const n=this[Z].device;if("target-ray"===e._specialType||"grip"===e._specialType)return n.getInputPose(e._inputSource,t,e._specialType);{e._ensurePoseUpdated(n,this[Z].id),t._ensurePoseUpdated(n,this[Z].id);let i=t._getSpaceRelativeTransform(e);return i?new XRPose(i,!1):null}}}const ee=Symbol("@@webxr-polyfill/XRRenderState"),te=Object.freeze({depthNear:.1,depthFar:1e3,inlineVerticalFieldOfView:null,baseLayer:null});class ne{constructor(e={}){const t=Object.assign({},te,e);this[ee]={config:t}}get depthNear(){return this[ee].config.depthNear}get depthFar(){return this[ee].config.depthFar}get inlineVerticalFieldOfView(){return this[ee].config.inlineVerticalFieldOfView}get baseLayer(){return this[ee].config.baseLayer}}const ie=Symbol("@@webxr-polyfill/polyfilled-xr-compatible"),re=Symbol("@@webxr-polyfill/xr-compatible"),oe=Symbol("@@webxr-polyfill/XRWebGLLayer"),se=Object.freeze({antialias:!0,depth:!1,stencil:!1,alpha:!0,multiview:!1,ignoreDepthValues:!1,framebufferScaleFactor:1}),ae=Symbol("@@webxr-polyfill/XRInputSourceEvent");class ue extends Event{constructor(e,t){super(e,t),this[ae]={frame:t.frame,inputSource:t.inputSource},Object.setPrototypeOf(this,ue.prototype)}get frame(){return this[ae].frame}get inputSource(){return this[ae].inputSource}}const le=Symbol("@@webxr-polyfill/XRSessionEvent");class ce extends Event{constructor(e,t){super(e,t),this[le]={session:t.session},Object.setPrototypeOf(this,ce.prototype)}get session(){return this[le].session}}const he=Symbol("@@webxr-polyfill/XRInputSourcesChangeEvent");class de extends Event{constructor(e,t){super(e,t),this[he]={session:t.session,added:t.added,removed:t.removed},Object.setPrototypeOf(this,de.prototype)}get session(){return this[he].session}get added(){return this[he].added}get removed(){return this[he].removed}}const pe=Symbol("@@webxr-polyfill/XRSession");class fe extends D{constructor(e){super(e)}get eye(){return this._specialType}_onPoseUpdate(e){this._inverseBaseMatrix=e.getBaseViewMatrix(this._specialType)}}class Ae extends i{constructor(e,t,n){super();let i="inline"!=t,r=new ne({inlineVerticalFieldOfView:i?null:.5*Math.PI});this[pe]={device:e,mode:t,immersive:i,ended:!1,suspended:!1,frameCallbacks:[],currentFrameCallbacks:null,frameHandle:0,deviceFrameHandle:null,id:n,activeRenderState:r,pendingRenderState:null,viewerSpace:new B("viewer"),viewSpaces:[],currentInputSources:[]},i?this[pe].viewSpaces.push(new fe("left"),new fe("right")):this[pe].viewSpaces.push(new fe("none")),this[pe].onDeviceFrame=()=>{if(this[pe].ended||this[pe].suspended)return;if(this[pe].deviceFrameHandle=null,this[pe].startDeviceFrameLoop(),null!==this[pe].pendingRenderState&&(this[pe].activeRenderState=new ne(this[pe].pendingRenderState),this[pe].pendingRenderState=null,this[pe].activeRenderState.baseLayer&&this[pe].device.onBaseLayerSet(this[pe].id,this[pe].activeRenderState.baseLayer)),null===this[pe].activeRenderState.baseLayer)return;const t=new J(e,this,this[pe].id),n=this[pe].currentFrameCallbacks=this[pe].frameCallbacks;this[pe].frameCallbacks=[],t[Z].active=!0,t[Z].animationFrame=!0,this[pe].device.onFrameStart(this[pe].id,this[pe].activeRenderState),this._checkInputSourcesChange();const i=Q();for(let e=0;e<n.length;e++)try{n[e].cancelled||"function"!=typeof n[e].callback||n[e].callback(i,t)}catch(e){console.error(e)}this[pe].currentFrameCallbacks=null,t[Z].active=!1,this[pe].device.onFrameEnd(this[pe].id)},this[pe].startDeviceFrameLoop=()=>{null===this[pe].deviceFrameHandle&&(this[pe].deviceFrameHandle=this[pe].device.requestAnimationFrame(this[pe].onDeviceFrame))},this[pe].stopDeviceFrameLoop=()=>{const e=this[pe].deviceFrameHandle;null!==e&&(this[pe].device.cancelAnimationFrame(e),this[pe].deviceFrameHandle=null)},this[pe].onPresentationEnd=t=>{if(t!==this[pe].id)return this[pe].suspended=!1,this[pe].startDeviceFrameLoop(),void 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e.FRAMEBUFFER_BINDING:e.bindFramebuffer(e.FRAMEBUFFER,a);break;case e.RENDERBUFFER_BINDING:e.bindRenderbuffer(e.RENDERBUFFER,a);break;case e.TEXTURE_BINDING_2D:if((u=t[++o])<e.TEXTURE0||u>e.TEXTURE31)break;e.activeTexture(u),e.bindTexture(e.TEXTURE_2D,a);break;case e.TEXTURE_BINDING_CUBE_MAP:var u;if((u=t[++o])<e.TEXTURE0||u>e.TEXTURE31)break;e.activeTexture(u),e.bindTexture(e.TEXTURE_CUBE_MAP,a);break;case e.VIEWPORT:e.viewport(a[0],a[1],a[2],a[3]);break;case e.BLEND:case e.CULL_FACE:case e.DEPTH_TEST:case e.SCISSOR_TEST:case e.STENCIL_TEST:a?e.enable(s):e.disable(s);break;default:console.log("No GL restore behavior for 0x"+s.toString(16))}r&&e.activeTexture(r)}}else n(e)},R=["attribute vec2 position;","attribute vec3 texCoord;","varying vec2 vTexCoord;","uniform vec4 viewportOffsetScale[2];","void main() {","  vec4 viewport = viewportOffsetScale[int(texCoord.z)];","  vTexCoord = (texCoord.xy * viewport.zw) + viewport.xy;","  gl_Position = vec4( position, 1.0, 1.0 );","}"].join("\n"),M=["precision mediump float;","uniform sampler2D diffuse;","varying vec2 vTexCoord;","void main() {","  gl_FragColor = texture2D(diffuse, vTexCoord);","}"].join("\n");function C(e,t,n,i){this.gl=e,this.cardboardUI=t,this.bufferScale=n,this.dirtySubmitFrameBindings=i,this.ctxAttribs=e.getContextAttributes(),this.instanceExt=e.getExtension("ANGLE_instanced_arrays"),this.meshWidth=20,this.meshHeight=20,this.bufferWidth=e.drawingBufferWidth,this.bufferHeight=e.drawingBufferHeight,this.realBindFramebuffer=e.bindFramebuffer,this.realEnable=e.enable,this.realDisable=e.disable,this.realColorMask=e.colorMask,this.realClearColor=e.clearColor,this.realViewport=e.viewport,o()||(this.realCanvasWidth=Object.getOwnPropertyDescriptor(e.canvas.__proto__,"width"),this.realCanvasHeight=Object.getOwnPropertyDescriptor(e.canvas.__proto__,"height")),this.isPatched=!1,this.lastBoundFramebuffer=null,this.cullFace=!1,this.depthTest=!1,this.blend=!1,this.scissorTest=!1,this.stencilTest=!1,this.viewport=[0,0,0,0],this.colorMask=[!0,!0,!0,!0],this.clearColor=[0,0,0,0],this.attribs={position:0,texCoord:1},this.program=v(e,R,M,this.attribs),this.uniforms=m(e,this.program),this.viewportOffsetScale=new Float32Array(8),this.setTextureBounds(),this.vertexBuffer=e.createBuffer(),this.indexBuffer=e.createBuffer(),this.indexCount=0,this.renderTarget=e.createTexture(),this.framebuffer=e.createFramebuffer(),this.depthStencilBuffer=null,this.depthBuffer=null,this.stencilBuffer=null,this.ctxAttribs.depth&&this.ctxAttribs.stencil?this.depthStencilBuffer=e.createRenderbuffer():this.ctxAttribs.depth?this.depthBuffer=e.createRenderbuffer():this.ctxAttribs.stencil&&(this.stencilBuffer=e.createRenderbuffer()),this.patch(),this.onResize()}C.prototype.destroy=function(){var e=this.gl;this.unpatch(),e.deleteProgram(this.program),e.deleteBuffer(this.vertexBuffer),e.deleteBuffer(this.indexBuffer),e.deleteTexture(this.renderTarget),e.deleteFramebuffer(this.framebuffer),this.depthStencilBuffer&&e.deleteRenderbuffer(this.depthStencilBuffer),this.depthBuffer&&e.deleteRenderbuffer(this.depthBuffer),this.stencilBuffer&&e.deleteRenderbuffer(this.stencilBuffer),this.cardboardUI&&this.cardboardUI.destroy()},C.prototype.onResize=function(){var e=this.gl,t=this,n=[e.RENDERBUFFER_BINDING,e.TEXTURE_BINDING_2D,e.TEXTURE0];S(e,n,(function(e){t.realBindFramebuffer.call(e,e.FRAMEBUFFER,null),t.scissorTest&&t.realDisable.call(e,e.SCISSOR_TEST),t.realColorMask.call(e,!0,!0,!0,!0),t.realViewport.call(e,0,0,e.drawingBufferWidth,e.drawingBufferHeight),t.realClearColor.call(e,0,0,0,1),e.clear(e.COLOR_BUFFER_BIT),t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.framebuffer),e.bindTexture(e.TEXTURE_2D,t.renderTarget),e.texImage2D(e.TEXTURE_2D,0,t.ctxAttribs.alpha?e.RGBA:e.RGB,t.bufferWidth,t.bufferHeight,0,t.ctxAttribs.alpha?e.RGBA:e.RGB,e.UNSIGNED_BYTE,null),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MAG_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_MIN_FILTER,e.LINEAR),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_S,e.CLAMP_TO_EDGE),e.texParameteri(e.TEXTURE_2D,e.TEXTURE_WRAP_T,e.CLAMP_TO_EDGE),e.framebufferTexture2D(e.FRAMEBUFFER,e.COLOR_ATTACHMENT0,e.TEXTURE_2D,t.renderTarget,0),t.ctxAttribs.depth&&t.ctxAttribs.stencil?(e.bindRenderbuffer(e.RENDERBUFFER,t.depthStencilBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_STENCIL,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_STENCIL_ATTACHMENT,e.RENDERBUFFER,t.depthStencilBuffer)):t.ctxAttribs.depth?(e.bindRenderbuffer(e.RENDERBUFFER,t.depthBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.DEPTH_COMPONENT16,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.DEPTH_ATTACHMENT,e.RENDERBUFFER,t.depthBuffer)):t.ctxAttribs.stencil&&(e.bindRenderbuffer(e.RENDERBUFFER,t.stencilBuffer),e.renderbufferStorage(e.RENDERBUFFER,e.STENCIL_INDEX8,t.bufferWidth,t.bufferHeight),e.framebufferRenderbuffer(e.FRAMEBUFFER,e.STENCIL_ATTACHMENT,e.RENDERBUFFER,t.stencilBuffer)),!e.checkFramebufferStatus(e.FRAMEBUFFER)===e.FRAMEBUFFER_COMPLETE&&console.error("Framebuffer incomplete!"),t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.lastBoundFramebuffer),t.scissorTest&&t.realEnable.call(e,e.SCISSOR_TEST),t.realColorMask.apply(e,t.colorMask),t.realViewport.apply(e,t.viewport),t.realClearColor.apply(e,t.clearColor)})),this.cardboardUI&&this.cardboardUI.onResize()},C.prototype.patch=function(){if(!this.isPatched){var e=this,t=this.gl.canvas,n=this.gl;o()||(t.width=f()*this.bufferScale,t.height=A()*this.bufferScale,Object.defineProperty(t,"width",{configurable:!0,enumerable:!0,get:function(){return e.bufferWidth},set:function(n){e.bufferWidth=n,e.realCanvasWidth.set.call(t,n),e.onResize()}}),Object.defineProperty(t,"height",{configurable:!0,enumerable:!0,get:function(){return e.bufferHeight},set:function(n){e.bufferHeight=n,e.realCanvasHeight.set.call(t,n),e.onResize()}})),this.lastBoundFramebuffer=n.getParameter(n.FRAMEBUFFER_BINDING),null==this.lastBoundFramebuffer&&(this.lastBoundFramebuffer=this.framebuffer,this.gl.bindFramebuffer(n.FRAMEBUFFER,this.framebuffer)),this.gl.bindFramebuffer=function(t,i){e.lastBoundFramebuffer=i||e.framebuffer,e.realBindFramebuffer.call(n,t,e.lastBoundFramebuffer)},this.cullFace=n.getParameter(n.CULL_FACE),this.depthTest=n.getParameter(n.DEPTH_TEST),this.blend=n.getParameter(n.BLEND),this.scissorTest=n.getParameter(n.SCISSOR_TEST),this.stencilTest=n.getParameter(n.STENCIL_TEST),n.enable=function(t){switch(t){case n.CULL_FACE:e.cullFace=!0;break;case n.DEPTH_TEST:e.depthTest=!0;break;case n.BLEND:e.blend=!0;break;case n.SCISSOR_TEST:e.scissorTest=!0;break;case n.STENCIL_TEST:e.stencilTest=!0}e.realEnable.call(n,t)},n.disable=function(t){switch(t){case n.CULL_FACE:e.cullFace=!1;break;case n.DEPTH_TEST:e.depthTest=!1;break;case n.BLEND:e.blend=!1;break;case n.SCISSOR_TEST:e.scissorTest=!1;break;case n.STENCIL_TEST:e.stencilTest=!1}e.realDisable.call(n,t)},this.colorMask=n.getParameter(n.COLOR_WRITEMASK),n.colorMask=function(t,i,r,o){e.colorMask[0]=t,e.colorMask[1]=i,e.colorMask[2]=r,e.colorMask[3]=o,e.realColorMask.call(n,t,i,r,o)},this.clearColor=n.getParameter(n.COLOR_CLEAR_VALUE),n.clearColor=function(t,i,r,o){e.clearColor[0]=t,e.clearColor[1]=i,e.clearColor[2]=r,e.clearColor[3]=o,e.realClearColor.call(n,t,i,r,o)},this.viewport=n.getParameter(n.VIEWPORT),n.viewport=function(t,i,r,o){e.viewport[0]=t,e.viewport[1]=i,e.viewport[2]=r,e.viewport[3]=o,e.realViewport.call(n,t,i,r,o)},this.isPatched=!0,w(t)}},C.prototype.unpatch=function(){if(this.isPatched){var e=this.gl,t=this.gl.canvas;o()||(Object.defineProperty(t,"width",this.realCanvasWidth),Object.defineProperty(t,"height",this.realCanvasHeight)),t.width=this.bufferWidth,t.height=this.bufferHeight,e.bindFramebuffer=this.realBindFramebuffer,e.enable=this.realEnable,e.disable=this.realDisable,e.colorMask=this.realColorMask,e.clearColor=this.realClearColor,e.viewport=this.realViewport,this.lastBoundFramebuffer==this.framebuffer&&e.bindFramebuffer(e.FRAMEBUFFER,null),this.isPatched=!1,setTimeout((function(){w(t)}),1)}},C.prototype.setTextureBounds=function(e,t){e||(e=[0,0,.5,1]),t||(t=[.5,0,.5,1]),this.viewportOffsetScale[0]=e[0],this.viewportOffsetScale[1]=e[1],this.viewportOffsetScale[2]=e[2],this.viewportOffsetScale[3]=e[3],this.viewportOffsetScale[4]=t[0],this.viewportOffsetScale[5]=t[1],this.viewportOffsetScale[6]=t[2],this.viewportOffsetScale[7]=t[3]},C.prototype.submitFrame=function(){var e=this.gl,t=this,n=[];if(this.dirtySubmitFrameBindings||n.push(e.CURRENT_PROGRAM,e.ARRAY_BUFFER_BINDING,e.ELEMENT_ARRAY_BUFFER_BINDING,e.TEXTURE_BINDING_2D,e.TEXTURE0),S(e,n,(function(e){t.realBindFramebuffer.call(e,e.FRAMEBUFFER,null);var n=0,i=0;t.instanceExt&&(n=e.getVertexAttrib(t.attribs.position,t.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE),i=e.getVertexAttrib(t.attribs.texCoord,t.instanceExt.VERTEX_ATTRIB_ARRAY_DIVISOR_ANGLE)),t.cullFace&&t.realDisable.call(e,e.CULL_FACE),t.depthTest&&t.realDisable.call(e,e.DEPTH_TEST),t.blend&&t.realDisable.call(e,e.BLEND),t.scissorTest&&t.realDisable.call(e,e.SCISSOR_TEST),t.stencilTest&&t.realDisable.call(e,e.STENCIL_TEST),t.realColorMask.call(e,!0,!0,!0,!0),t.realViewport.call(e,0,0,e.drawingBufferWidth,e.drawingBufferHeight),(t.ctxAttribs.alpha||o())&&(t.realClearColor.call(e,0,0,0,1),e.clear(e.COLOR_BUFFER_BIT)),e.useProgram(t.program),e.bindBuffer(e.ELEMENT_ARRAY_BUFFER,t.indexBuffer),e.bindBuffer(e.ARRAY_BUFFER,t.vertexBuffer),e.enableVertexAttribArray(t.attribs.position),e.enableVertexAttribArray(t.attribs.texCoord),e.vertexAttribPointer(t.attribs.position,2,e.FLOAT,!1,20,0),e.vertexAttribPointer(t.attribs.texCoord,3,e.FLOAT,!1,20,8),t.instanceExt&&(0!=n&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.position,0),0!=i&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.texCoord,0)),e.activeTexture(e.TEXTURE0),e.uniform1i(t.uniforms.diffuse,0),e.bindTexture(e.TEXTURE_2D,t.renderTarget),e.uniform4fv(t.uniforms.viewportOffsetScale,t.viewportOffsetScale),e.drawElements(e.TRIANGLES,t.indexCount,e.UNSIGNED_SHORT,0),t.cardboardUI&&t.cardboardUI.renderNoState(),t.realBindFramebuffer.call(t.gl,e.FRAMEBUFFER,t.framebuffer),t.ctxAttribs.preserveDrawingBuffer||(t.realClearColor.call(e,0,0,0,0),e.clear(e.COLOR_BUFFER_BIT)),t.dirtySubmitFrameBindings||t.realBindFramebuffer.call(e,e.FRAMEBUFFER,t.lastBoundFramebuffer),t.cullFace&&t.realEnable.call(e,e.CULL_FACE),t.depthTest&&t.realEnable.call(e,e.DEPTH_TEST),t.blend&&t.realEnable.call(e,e.BLEND),t.scissorTest&&t.realEnable.call(e,e.SCISSOR_TEST),t.stencilTest&&t.realEnable.call(e,e.STENCIL_TEST),t.realColorMask.apply(e,t.colorMask),t.realViewport.apply(e,t.viewport),!t.ctxAttribs.alpha&&t.ctxAttribs.preserveDrawingBuffer||t.realClearColor.apply(e,t.clearColor),t.instanceExt&&(0!=n&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.position,n),0!=i&&t.instanceExt.vertexAttribDivisorANGLE(t.attribs.texCoord,i))})),o()){var i=e.canvas;i.width==t.bufferWidth&&i.height==t.bufferHeight||(t.bufferWidth=i.width,t.bufferHeight=i.height,t.onResize())}},C.prototype.updateDeviceInfo=function(e){var t=this.gl,n=this,i=[t.ARRAY_BUFFER_BINDING,t.ELEMENT_ARRAY_BUFFER_BINDING];S(t,i,(function(t){var i=n.computeMeshVertices_(n.meshWidth,n.meshHeight,e);if(t.bindBuffer(t.ARRAY_BUFFER,n.vertexBuffer),t.bufferData(t.ARRAY_BUFFER,i,t.STATIC_DRAW),!n.indexCount){var r=n.computeMeshIndices_(n.meshWidth,n.meshHeight);t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,n.indexBuffer),t.bufferData(t.ELEMENT_ARRAY_BUFFER,r,t.STATIC_DRAW),n.indexCount=r.length}}))},C.prototype.computeMeshVertices_=function(e,t,n){for(var i=new Float32Array(2*e*t*5),o=n.getLeftEyeVisibleTanAngles(),s=n.getLeftEyeNoLensTanAngles(),a=n.getLeftEyeVisibleScreenRect(s),u=0,l=0;l<2;l++){for(var c=0;c<t;c++)for(var h=0;h<e;h++,u++){var d=h/(e-1),p=c/(t-1),f=d,A=p,g=r(o[0],o[2],d),v=r(o[3],o[1],p),m=Math.sqrt(g*g+v*v),y=n.distortion.distortInverse(m),_=v*y/m;d=(g*y/m-s[0])/(s[2]-s[0]),p=(_-s[3])/(s[1]-s[3]),d=2*(a.x+d*a.width-.5),p=2*(a.y+p*a.height-.5),i[5*u+0]=d,i[5*u+1]=p,i[5*u+2]=f,i[5*u+3]=A,i[5*u+4]=l}var w=o[2]-o[0];o[0]=-(w+o[0]),o[2]=w-o[2],w=s[2]-s[0],s[0]=-(w+s[0]),s[2]=w-s[2],a.x=1-(a.x+a.width)}return i},C.prototype.computeMeshIndices_=function(e,t){for(var n=new Uint16Array(2*(e-1)*(t-1)*6),i=e/2,r=t/2,o=0,s=0,a=0;a<2;a++)for(var u=0;u<t;u++)for(var l=0;l<e;l++,o++)0!=l&&0!=u&&(l<=i==u<=r?(n[s++]=o,n[s++]=o-e-1,n[s++]=o-e,n[s++]=o-e-1,n[s++]=o,n[s++]=o-1):(n[s++]=o-1,n[s++]=o-e,n[s++]=o,n[s++]=o-e,n[s++]=o-1,n[s++]=o-e-1));return n},C.prototype.getOwnPropertyDescriptor_=function(e,t){var n=Object.getOwnPropertyDescriptor(e,t);return void 0!==n.get&&void 0!==n.set||(n.configurable=!0,n.enumerable=!0,n.get=function(){return this.getAttribute(t)},n.set=function(e){this.setAttribute(t,e)}),n};var P=["attribute vec2 position;","uniform mat4 projectionMat;","void main() {","  gl_Position = projectionMat * vec4( position, -1.0, 1.0 );","}"].join("\n"),F=["precision mediump float;","uniform vec4 color;","void main() {","  gl_FragColor = color;","}"].join("\n"),D=Math.PI/180,I=.3125;function O(e){this.gl=e,this.attribs={position:0},this.program=v(e,P,F,this.attribs),this.uniforms=m(e,this.program),this.vertexBuffer=e.createBuffer(),this.gearOffset=0,this.gearVertexCount=0,this.arrowOffset=0,this.arrowVertexCount=0,this.projMat=new Float32Array(16),this.listener=null,this.onResize()}function B(e){this.coefficients=e}O.prototype.destroy=function(){var e=this.gl;this.listener&&e.canvas.removeEventListener("click",this.listener,!1),e.deleteProgram(this.program),e.deleteBuffer(this.vertexBuffer)},O.prototype.listen=function(e,t){var n=this.gl.canvas;this.listener=function(i){var r=n.clientWidth/2;i.clientX>r-42&&i.clientX<r+42&&i.clientY>n.clientHeight-42?e(i):i.clientX<42&&i.clientY<42&&t(i)},n.addEventListener("click",this.listener,!1)},O.prototype.onResize=function(){var e=this.gl,t=this,n=[e.ARRAY_BUFFER_BINDING];S(e,n,(function(e){var n=[],i=e.drawingBufferWidth/2,r=Math.max(screen.width,screen.height)*window.devicePixelRatio,o=e.drawingBufferWidth/r*window.devicePixelRatio,s=4*o/2,a=42*o,u=28*o/2,l=14*o;function c(e,t){var r=(90-e)*D,o=Math.cos(r),s=Math.sin(r);n.push(I*o*u+i,I*s*u+u),n.push(t*o*u+i,t*s*u+u)}n.push(i-s,a),n.push(i-s,e.drawingBufferHeight),n.push(i+s,a),n.push(i+s,e.drawingBufferHeight),t.gearOffset=n.length/2;for(var h=0;h<=6;h++){var d=60*h;c(d,1),c(d+12,1),c(d+20,.75),c(d+40,.75),c(d+48,1)}function p(t,i){n.push(l+t,e.drawingBufferHeight-l-i)}t.gearVertexCount=n.length/2-t.gearOffset,t.arrowOffset=n.length/2;var f=s/Math.sin(45*D);p(0,u),p(u,0),p(u+f,f),p(f,u+f),p(f,u-f),p(0,u),p(u,2*u),p(u+f,2*u-f),p(f,u-f),p(0,u),p(f,u-s),p(28*o,u-s),p(f,u+s),p(28*o,u+s),t.arrowVertexCount=n.length/2-t.arrowOffset,e.bindBuffer(e.ARRAY_BUFFER,t.vertexBuffer),e.bufferData(e.ARRAY_BUFFER,new Float32Array(n),e.STATIC_DRAW)}))},O.prototype.render=function(){var e=this.gl,t=this,n=[e.CULL_FACE,e.DEPTH_TEST,e.BLEND,e.SCISSOR_TEST,e.STENCIL_TEST,e.COLOR_WRITEMASK,e.VIEWPORT,e.CURRENT_PROGRAM,e.ARRAY_BUFFER_BINDING];S(e,n,(function(e){e.disable(e.CULL_FACE),e.disable(e.DEPTH_TEST),e.disable(e.BLEND),e.disable(e.SCISSOR_TEST),e.disable(e.STENCIL_TEST),e.colorMask(!0,!0,!0,!0),e.viewport(0,0,e.drawingBufferWidth,e.drawingBufferHeight),t.renderNoState()}))},O.prototype.renderNoState=function(){var e,t,n,i,r,o,s=this.gl;s.useProgram(this.program),s.bindBuffer(s.ARRAY_BUFFER,this.vertexBuffer),s.enableVertexAttribArray(this.attribs.position),s.vertexAttribPointer(this.attribs.position,2,s.FLOAT,!1,8,0),s.uniform4f(this.uniforms.color,1,1,1,1),e=this.projMat,i=1/(0-(t=s.drawingBufferWidth)),r=1/(0-(n=s.drawingBufferHeight)),o=1/(.1-1024),e[0]=-2*i,e[1]=0,e[2]=0,e[3]=0,e[4]=0,e[5]=-2*r,e[6]=0,e[7]=0,e[8]=0,e[9]=0,e[10]=2*o,e[11]=0,e[12]=(0+t)*i,e[13]=(n+0)*r,e[14]=1024.1*o,e[15]=1,s.uniformMatrix4fv(this.uniforms.projectionMat,!1,this.projMat),s.drawArrays(s.TRIANGLE_STRIP,0,4),s.drawArrays(s.TRIANGLE_STRIP,this.gearOffset,this.gearVertexCount),s.drawArrays(s.TRIANGLE_STRIP,this.arrowOffset,this.arrowVertexCount)},B.prototype.distortInverse=function(e){for(var t=0,n=1,i=e-this.distort(t);Math.abs(n-t)>1e-4;){var r=e-this.distort(n),o=n-r*((n-t)/(r-i));t=n,n=o,i=r}return n},B.prototype.distort=function(e){for(var t=e*e,n=0,i=0;i<this.coefficients.length;i++)n=t*(n+this.coefficients[i]);return(n+1)*e};var L=Math.PI/180,V=180/Math.PI,k=function(e,t,n){this.x=e||0,this.y=t||0,this.z=n||0};k.prototype={constructor:k,set:function(e,t,n){return this.x=e,this.y=t,this.z=n,this},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this},length:function(){return Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z)},normalize:function(){var e=this.length();if(0!==e){var t=1/e;this.multiplyScalar(t)}else this.x=0,this.y=0,this.z=0;return this},multiplyScalar:function(e){this.x*=e,this.y*=e,this.z*=e},applyQuaternion:function(e){var t=this.x,n=this.y,i=this.z,r=e.x,o=e.y,s=e.z,a=e.w,u=a*t+o*i-s*n,l=a*n+s*t-r*i,c=a*i+r*n-o*t,h=-r*t-o*n-s*i;return this.x=u*a+h*-r+l*-s-c*-o,this.y=l*a+h*-o+c*-r-u*-s,this.z=c*a+h*-s+u*-o-l*-r,this},dot:function(e){return this.x*e.x+this.y*e.y+this.z*e.z},crossVectors:function(e,t){var n=e.x,i=e.y,r=e.z,o=t.x,s=t.y,a=t.z;return this.x=i*a-r*s,this.y=r*o-n*a,this.z=n*s-i*o,this}};var N,Q,U=function(e,t,n,i){this.x=e||0,this.y=t||0,this.z=n||0,this.w=void 0!==i?i:1};function W(e){this.width=e.width||f(),this.height=e.height||A(),this.widthMeters=e.widthMeters,this.heightMeters=e.heightMeters,this.bevelMeters=e.bevelMeters}U.prototype={constructor:U,set:function(e,t,n,i){return this.x=e,this.y=t,this.z=n,this.w=i,this},copy:function(e){return this.x=e.x,this.y=e.y,this.z=e.z,this.w=e.w,this},setFromEulerXYZ:function(e,t,n){var i=Math.cos(e/2),r=Math.cos(t/2),o=Math.cos(n/2),s=Math.sin(e/2),a=Math.sin(t/2),u=Math.sin(n/2);return this.x=s*r*o+i*a*u,this.y=i*a*o-s*r*u,this.z=i*r*u+s*a*o,this.w=i*r*o-s*a*u,this},setFromEulerYXZ:function(e,t,n){var i=Math.cos(e/2),r=Math.cos(t/2),o=Math.cos(n/2),s=Math.sin(e/2),a=Math.sin(t/2),u=Math.sin(n/2);return this.x=s*r*o+i*a*u,this.y=i*a*o-s*r*u,this.z=i*r*u-s*a*o,this.w=i*r*o+s*a*u,this},setFromAxisAngle:function(e,t){var n=t/2,i=Math.sin(n);return this.x=e.x*i,this.y=e.y*i,this.z=e.z*i,this.w=Math.cos(n),this},multiply:function(e){return this.multiplyQuaternions(this,e)},multiplyQuaternions:function(e,t){var n=e.x,i=e.y,r=e.z,o=e.w,s=t.x,a=t.y,u=t.z,l=t.w;return this.x=n*l+o*s+i*u-r*a,this.y=i*l+o*a+r*s-n*u,this.z=r*l+o*u+n*a-i*s,this.w=o*l-n*s-i*a-r*u,this},inverse:function(){return this.x*=-1,this.y*=-1,this.z*=-1,this.normalize(),this},normalize:function(){var e=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return 0===e?(this.x=0,this.y=0,this.z=0,this.w=1):(e=1/e,this.x=this.x*e,this.y=this.y*e,this.z=this.z*e,this.w=this.w*e),this},slerp:function(e,t){if(0===t)return this;if(1===t)return this.copy(e);var n=this.x,i=this.y,r=this.z,o=this.w,s=o*e.w+n*e.x+i*e.y+r*e.z;if(s<0?(this.w=-e.w,this.x=-e.x,this.y=-e.y,this.z=-e.z,s=-s):this.copy(e),s>=1)return this.w=o,this.x=n,this.y=i,this.z=r,this;var a=Math.acos(s),u=Math.sqrt(1-s*s);if(Math.abs(u)<.001)return this.w=.5*(o+this.w),this.x=.5*(n+this.x),this.y=.5*(i+this.y),this.z=.5*(r+this.z),this;var l=Math.sin((1-t)*a)/u,c=Math.sin(t*a)/u;return this.w=o*l+this.w*c,this.x=n*l+this.x*c,this.y=i*l+this.y*c,this.z=r*l+this.z*c,this},setFromUnitVectors:function(e,t){return void 0===N&&(N=new k),(Q=e.dot(t)+1)<1e-6?(Q=0,Math.abs(e.x)>Math.abs(e.z)?N.set(-e.y,e.x,0):N.set(0,-e.z,e.y)):N.crossVectors(e,t),this.x=N.x,this.y=N.y,this.z=N.z,this.w=Q,this.normalize(),this}};var G=new W({widthMeters:.11,heightMeters:.062,bevelMeters:.004}),j=new W({widthMeters:.1038,heightMeters:.0584,bevelMeters:.004}),z={CardboardV1:new H({id:"CardboardV1",label:"Cardboard I/O 2014",fov:40,interLensDistance:.06,baselineLensDistance:.035,screenLensDistance:.042,distortionCoefficients:[.441,.156],inverseCoefficients:[-.4410035,.42756155,-.4804439,.5460139,-.58821183,.5733938,-.48303202,.33299083,-.17573841,.0651772,-.01488963,.001559834]}),CardboardV2:new H({id:"CardboardV2",label:"Cardboard I/O 2015",fov:60,interLensDistance:.064,baselineLensDistance:.035,screenLensDistance:.039,distortionCoefficients:[.34,.55],inverseCoefficients:[-.33836704,-.18162185,.862655,-1.2462051,1.0560602,-.58208317,.21609078,-.05444823,.009177956,-.0009904169,6183535e-11,-16981803e-13]})};function X(e,t){this.viewer=z.CardboardV2,this.updateDeviceParams(e),this.distortion=new B(this.viewer.distortionCoefficients);for(var n=0;n<t.length;n++){var i=t[n];z[i.id]=new H(i)}}function H(e){this.id=e.id,this.label=e.label,this.fov=e.fov,this.interLensDistance=e.interLensDistance,this.baselineLensDistance=e.baselineLensDistance,this.screenLensDistance=e.screenLensDistance,this.distortionCoefficients=e.distortionCoefficients,this.inverseCoefficients=e.inverseCoefficients}X.prototype.updateDeviceParams=function(e){this.device=this.determineDevice_(e)||this.device},X.prototype.getDevice=function(){return this.device},X.prototype.setViewer=function(e){this.viewer=e,this.distortion=new B(this.viewer.distortionCoefficients)},X.prototype.determineDevice_=function(e){if(!e)return o()?(console.warn("Using fallback iOS device measurements."),j):(console.warn("Using fallback Android device measurements."),G);var t=.0254/e.xdpi,n=.0254/e.ydpi;return new W({widthMeters:t*f(),heightMeters:n*A(),bevelMeters:.001*e.bevelMm})},X.prototype.getDistortedFieldOfViewLeftEye=function(){var e=this.viewer,t=this.device,n=this.distortion,i=e.screenLensDistance,r=(t.widthMeters-e.interLensDistance)/2,o=e.interLensDistance/2,s=e.baselineLensDistance-t.bevelMeters,a=t.heightMeters-s,u=V*Math.atan(n.distort(r/i)),l=V*Math.atan(n.distort(o/i)),c=V*Math.atan(n.distort(s/i)),h=V*Math.atan(n.distort(a/i));return{leftDegrees:Math.min(u,e.fov),rightDegrees:Math.min(l,e.fov),downDegrees:Math.min(c,e.fov),upDegrees:Math.min(h,e.fov)}},X.prototype.getLeftEyeVisibleTanAngles=function(){var e=this.viewer,t=this.device,n=this.distortion,i=Math.tan(-L*e.fov),r=Math.tan(L*e.fov),o=Math.tan(L*e.fov),s=Math.tan(-L*e.fov),a=t.widthMeters/4,u=t.heightMeters/2,l=e.baselineLensDistance-t.bevelMeters-u,c=e.interLensDistance/2-a,h=-l,d=e.screenLensDistance,p=n.distort((c-a)/d),f=n.distort((h+u)/d),A=n.distort((c+a)/d),g=n.distort((h-u)/d),v=new Float32Array(4);return v[0]=Math.max(i,p),v[1]=Math.min(r,f),v[2]=Math.min(o,A),v[3]=Math.max(s,g),v},X.prototype.getLeftEyeNoLensTanAngles=function(){var e=this.viewer,t=this.device,n=this.distortion,i=new Float32Array(4),r=n.distortInverse(Math.tan(-L*e.fov)),o=n.distortInverse(Math.tan(L*e.fov)),s=n.distortInverse(Math.tan(L*e.fov)),a=n.distortInverse(Math.tan(-L*e.fov)),u=t.widthMeters/4,l=t.heightMeters/2,c=e.baselineLensDistance-t.bevelMeters-l,h=e.interLensDistance/2-u,d=-c,p=e.screenLensDistance,f=(h-u)/p,A=(d+l)/p,g=(h+u)/p,v=(d-l)/p;return i[0]=Math.max(r,f),i[1]=Math.min(o,A),i[2]=Math.min(s,g),i[3]=Math.max(a,v),i},X.prototype.getLeftEyeVisibleScreenRect=function(e){var t=this.viewer,n=this.device,i=t.screenLensDistance,r=(n.widthMeters-t.interLensDistance)/2,o=t.baselineLensDistance-n.bevelMeters,s=(e[0]*i+r)/n.widthMeters,a=(e[1]*i+o)/n.heightMeters,u=(e[2]*i+r)/n.widthMeters,l=(e[3]*i+o)/n.heightMeters;return{x:s,y:l,width:u-s,height:a-l}},X.prototype.getFieldOfViewLeftEye=function(e){return e?this.getUndistortedFieldOfViewLeftEye():this.getDistortedFieldOfViewLeftEye()},X.prototype.getFieldOfViewRightEye=function(e){var t=this.getFieldOfViewLeftEye(e);return{leftDegrees:t.rightDegrees,rightDegrees:t.leftDegrees,upDegrees:t.upDegrees,downDegrees:t.downDegrees}},X.prototype.getUndistortedFieldOfViewLeftEye=function(){var e=this.getUndistortedParams_();return{leftDegrees:V*Math.atan(e.outerDist),rightDegrees:V*Math.atan(e.innerDist),downDegrees:V*Math.atan(e.bottomDist),upDegrees:V*Math.atan(e.topDist)}},X.prototype.getUndistortedViewportLeftEye=function(){var e=this.getUndistortedParams_(),t=this.viewer,n=this.device,i=t.screenLensDistance,r=n.widthMeters/i,o=n.heightMeters/i,s=n.width/r,a=n.height/o,u=Math.round((e.eyePosX-e.outerDist)*s),l=Math.round((e.eyePosY-e.bottomDist)*a);return{x:u,y:l,width:Math.round((e.eyePosX+e.innerDist)*s)-u,height:Math.round((e.eyePosY+e.topDist)*a)-l}},X.prototype.getUndistortedParams_=function(){var e=this.viewer,t=this.device,n=this.distortion,i=e.screenLensDistance,r=e.interLensDistance/2/i,o=t.widthMeters/i,s=t.heightMeters/i,a=o/2-r,u=(e.baselineLensDistance-t.bevelMeters)/i,l=e.fov,c=n.distortInverse(Math.tan(L*l)),h=Math.min(a,c),d=Math.min(r,c),p=Math.min(u,c);return{outerDist:h,innerDist:d,topDist:Math.min(s-u,c),bottomDist:p,eyePosX:a,eyePosY:u}},X.Viewers=z;var q={format:1,last_updated:"2019-11-09T17:36:14Z",devices:[{type:"android",rules:[{mdmh:"asus/*/Nexus 7/*"},{ua:"Nexus 7"}],dpi:[320.8,323],bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_X00PD/*"},{ua:"ASUS_X00PD"}],dpi:245,bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_X008D/*"},{ua:"ASUS_X008D"}],dpi:282,bw:3,ac:500},{type:"android",rules:[{mdmh:"asus/*/ASUS_Z00AD/*"},{ua:"ASUS_Z00AD"}],dpi:[403,404.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 2 XL/*"},{ua:"Pixel 2 XL"}],dpi:537.9,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Google/*/Pixel 3 XL/*"},{ua:"Pixel 3 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One"}],dpi:472.8,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/Nexus 6P/*"},{ua:"Nexus 6P"}],dpi:[515.1,518],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/BLN-L24/*"},{ua:"HONORBLN-L24"}],dpi:480,bw:4,ac:500},{type:"android",rules:[{mdmh:"Huawei/*/BKL-L09/*"},{ua:"BKL-L09"}],dpi:403,bw:3.47,ac:500},{type:"android",rules:[{mdmh:"LENOVO/*/Lenovo PB2-690Y/*"},{ua:"Lenovo PB2-690Y"}],dpi:[457.2,454.713],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/Nexus 5X/*"},{ua:"Nexus 5X"}],dpi:[422,419.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGMS345/*"},{ua:"LGMS345"}],dpi:[221.7,219.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/LG-D800/*"},{ua:"LG-D800"}],dpi:[422,424.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/LG-D850/*"},{ua:"LG-D850"}],dpi:[537.9,541.9],bw:3,ac:500},{type:"android",rules:[{mdmh:"LGE/*/VS985 4G/*"},{ua:"VS985 4G"}],dpi:[537.9,535.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/Nexus 5/*"},{ua:"Nexus 5 B"}],dpi:[442.4,444.8],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/Nexus 4/*"},{ua:"Nexus 4"}],dpi:[319.8,318.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LG-P769/*"},{ua:"LG-P769"}],dpi:[240.6,247.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGMS323/*"},{ua:"LGMS323"}],dpi:[206.6,204.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"LGE/*/LGLS996/*"},{ua:"LGLS996"}],dpi:[403.4,401.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/4560MMX/*"},{ua:"4560MMX"}],dpi:[240,219.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/A250/*"},{ua:"Micromax A250"}],dpi:[480,446.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Micromax/*/Micromax AQ4501/*"},{ua:"Micromax AQ4501"}],dpi:240,bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/G5/*"},{ua:"Moto G (5) Plus"}],dpi:[403.4,403],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/DROID RAZR/*"},{ua:"DROID RAZR"}],dpi:[368.1,256.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT830C/*"},{ua:"XT830C"}],dpi:[254,255.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1021/*"},{ua:"XT1021"}],dpi:[254,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1023/*"},{ua:"XT1023"}],dpi:[254,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1028/*"},{ua:"XT1028"}],dpi:[326.6,327.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1034/*"},{ua:"XT1034"}],dpi:[326.6,328.4],bw:3,ac:500},{type:"android",rules:[{mdmh:"motorola/*/XT1053/*"},{ua:"XT1053"}],dpi:[315.3,316.1],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/XT1562/*"},{ua:"XT1562"}],dpi:[403.4,402.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"motorola/*/Nexus 6/*"},{ua:"Nexus 6 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A2001"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A2003/*"},{ua:"ONE A2003"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A2005/*"},{ua:"ONE A2005"}],dpi:[391.9,405.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3000/*"},{ua:"ONEPLUS A3000"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3003/*"},{ua:"ONEPLUS A3003"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A3010/*"},{ua:"ONEPLUS A3010"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A5000/*"},{ua:"ONEPLUS A5000 "}],dpi:[403.411,399.737],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONE A5010/*"},{ua:"ONEPLUS A5010"}],dpi:[403,400],bw:2,ac:1e3},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6000/*"},{ua:"ONEPLUS A6000"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6003/*"},{ua:"ONEPLUS A6003"}],dpi:401,bw:3,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6010/*"},{ua:"ONEPLUS A6010"}],dpi:401,bw:2,ac:500},{type:"android",rules:[{mdmh:"OnePlus/*/ONEPLUS A6013/*"},{ua:"ONEPLUS A6013"}],dpi:401,bw:2,ac:500},{type:"android",rules:[{mdmh:"OPPO/*/X909/*"},{ua:"X909"}],dpi:[442.4,444.1],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9082/*"},{ua:"GT-I9082"}],dpi:[184.7,185.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G360P/*"},{ua:"SM-G360P"}],dpi:[196.7,205.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/Nexus S/*"},{ua:"Nexus S"}],dpi:[234.5,229.8],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300/*"},{ua:"GT-I9300"}],dpi:[304.8,303.9],bw:5,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-T230NU/*"},{ua:"SM-T230NU"}],dpi:216,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SGH-T399/*"},{ua:"SGH-T399"}],dpi:[217.7,231.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SGH-M919/*"},{ua:"SGH-M919"}],dpi:[440.8,437.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-N9005/*"},{ua:"SM-N9005"}],dpi:[386.4,387],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SAMSUNG-SM-N900A/*"},{ua:"SAMSUNG-SM-N900A"}],dpi:[386.4,387.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9500/*"},{ua:"GT-I9500"}],dpi:[442.5,443.3],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/GT-I9505/*"},{ua:"GT-I9505"}],dpi:439.4,bw:4,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G900F/*"},{ua:"SM-G900F"}],dpi:[415.6,431.6],bw:5,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G900M/*"},{ua:"SM-G900M"}],dpi:[415.6,431.6],bw:5,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G800F/*"},{ua:"SM-G800F"}],dpi:326.8,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G906S/*"},{ua:"SM-G906S"}],dpi:[562.7,572.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300/*"},{ua:"GT-I9300"}],dpi:[306.7,304.8],bw:5,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-T535/*"},{ua:"SM-T535"}],dpi:[142.6,136.4],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-N920C/*"},{ua:"SM-N920C"}],dpi:[515.1,518.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-N920P/*"},{ua:"SM-N920P"}],dpi:[386.3655,390.144],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-N920W8/*"},{ua:"SM-N920W8"}],dpi:[515.1,518.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9300I/*"},{ua:"GT-I9300I"}],dpi:[304.8,305.8],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-I9195/*"},{ua:"GT-I9195"}],dpi:[249.4,256.7],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SPH-L520/*"},{ua:"SPH-L520"}],dpi:[249.4,255.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SAMSUNG-SGH-I717/*"},{ua:"SAMSUNG-SGH-I717"}],dpi:285.8,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SPH-D710/*"},{ua:"SPH-D710"}],dpi:[217.7,204.2],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/GT-N7100/*"},{ua:"GT-N7100"}],dpi:265.1,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SCH-I605/*"},{ua:"SCH-I605"}],dpi:265.1,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/Galaxy Nexus/*"},{ua:"Galaxy Nexus"}],dpi:[315.3,314.2],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-N910H/*"},{ua:"SM-N910H"}],dpi:[515.1,518],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-N910C/*"},{ua:"SM-N910C"}],dpi:[515.2,520.2],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G130M/*"},{ua:"SM-G130M"}],dpi:[165.9,164.8],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G928I/*"},{ua:"SM-G928I"}],dpi:[515.1,518.4],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G920F/*"},{ua:"SM-G920F"}],dpi:580.6,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G920P/*"},{ua:"SM-G920P"}],dpi:[522.5,577],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G925F/*"},{ua:"SM-G925F"}],dpi:580.6,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G925V/*"},{ua:"SM-G925V"}],dpi:[522.5,576.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G930F/*"},{ua:"SM-G930F"}],dpi:576.6,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G935F/*"},{ua:"SM-G935F"}],dpi:533,bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G950F/*"},{ua:"SM-G950F"}],dpi:[562.707,565.293],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G955U/*"},{ua:"SM-G955U"}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G955F/*"},{ua:"SM-G955F"}],dpi:[522.514,525.762],bw:3,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G960F/*"},{ua:"SM-G960F"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G9600/*"},{ua:"SM-G9600"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960T/*"},{ua:"SM-G960T"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960N/*"},{ua:"SM-G960N"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960U/*"},{ua:"SM-G960U"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G9608/*"},{ua:"SM-G9608"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960FD/*"},{ua:"SM-G960FD"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G960W/*"},{ua:"SM-G960W"}],dpi:[569.575,571.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G965F/*"},{ua:"SM-G965F"}],dpi:529,bw:2,ac:1e3},{type:"android",rules:[{mdmh:"Sony/*/C6903/*"},{ua:"C6903"}],dpi:[442.5,443.3],bw:3,ac:500},{type:"android",rules:[{mdmh:"Sony/*/D6653/*"},{ua:"D6653"}],dpi:[428.6,427.6],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Sony/*/E6653/*"},{ua:"E6653"}],dpi:[428.6,425.7],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Sony/*/E6853/*"},{ua:"E6853"}],dpi:[403.4,401.9],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Sony/*/SGP321/*"},{ua:"SGP321"}],dpi:[224.7,224.1],bw:3,ac:500},{type:"android",rules:[{mdmh:"TCT/*/ALCATEL ONE TOUCH Fierce/*"},{ua:"ALCATEL ONE TOUCH Fierce"}],dpi:[240,247.5],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"THL/*/thl 5000/*"},{ua:"thl 5000"}],dpi:[480,443.3],bw:3,ac:1e3},{type:"android",rules:[{mdmh:"Fly/*/IQ4412/*"},{ua:"IQ4412"}],dpi:307.9,bw:3,ac:1e3},{type:"android",rules:[{mdmh:"ZTE/*/ZTE Blade L2/*"},{ua:"ZTE Blade L2"}],dpi:240,bw:3,ac:500},{type:"android",rules:[{mdmh:"BENEVE/*/VR518/*"},{ua:"VR518"}],dpi:480,bw:3,ac:500},{type:"ios",rules:[{res:[640,960]}],dpi:[325.1,328.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[640,1136]}],dpi:[317.1,320.2],bw:3,ac:1e3},{type:"ios",rules:[{res:[750,1334]}],dpi:326.4,bw:4,ac:1e3},{type:"ios",rules:[{res:[1242,2208]}],dpi:[453.6,458.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2001]}],dpi:[410.9,415.4],bw:4,ac:1e3},{type:"ios",rules:[{res:[1125,2436]}],dpi:458,bw:4,ac:1e3},{type:"android",rules:[{mdmh:"Huawei/*/EML-L29/*"},{ua:"EML-L29"}],dpi:428,bw:3.45,ac:500},{type:"android",rules:[{mdmh:"Nokia/*/Nokia 7.1/*"},{ua:"Nokia 7.1"}],dpi:[432,431.9],bw:3,ac:500},{type:"ios",rules:[{res:[1242,2688]}],dpi:458,bw:4,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G570M/*"},{ua:"SM-G570M"}],dpi:320,bw:3.684,ac:1e3},{type:"android",rules:[{mdmh:"samsung/*/SM-G970F/*"},{ua:"SM-G970F"}],dpi:438,bw:2.281,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G973F/*"},{ua:"SM-G973F"}],dpi:550,bw:2.002,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G975F/*"},{ua:"SM-G975F"}],dpi:522,bw:2.054,ac:500},{type:"android",rules:[{mdmh:"samsung/*/SM-G977F/*"},{ua:"SM-G977F"}],dpi:505,bw:2.334,ac:500},{type:"ios",rules:[{res:[828,1792]}],dpi:326,bw:5,ac:500}]};function Y(e,t){if(this.dpdb=q,e){this.onDeviceParamsUpdated=t;var n=new XMLHttpRequest,i=this;n.open("GET",e,!0),n.addEventListener("load",(function(){i.loading=!1,n.status>=200&&n.status<=299?i.dpdb=JSON.parse(n.response):console.error("Error loading online DPDB!")})),n.send()}}function Z(e){this.xdpi=e.xdpi,this.ydpi=e.ydpi,this.bevelMm=e.bevelMm}function K(e,t){this.set(e,t)}function $(e,t){this.kFilter=e,this.isDebug=t,this.currentAccelMeasurement=new K,this.currentGyroMeasurement=new K,this.previousGyroMeasurement=new K,o()?this.filterQ=new U(-1,0,0,1):this.filterQ=new U(1,0,0,1),this.previousFilterQ=new U,this.previousFilterQ.copy(this.filterQ),this.accelQ=new U,this.isOrientationInitialized=!1,this.estimatedGravity=new k,this.measuredGravity=new k,this.gyroIntegralQ=new U}function J(e,t){this.predictionTimeS=e,this.isDebug=t,this.previousQ=new U,this.previousTimestampS=null,this.deltaQ=new U,this.outQ=new U}function ee(e,t,n,i){this.yawOnly=n,this.accelerometer=new k,this.gyroscope=new k,this.filter=new $(e,i),this.posePredictor=new J(t,i),this.isFirefoxAndroid=u(),this.isIOS=o();var r=l();this.isDeviceMotionInRadians=!this.isIOS&&r&&r<66,this.isWithoutDeviceMotion=h()||c(),this.filterToWorldQ=new U,o()?this.filterToWorldQ.setFromAxisAngle(new k(1,0,0),Math.PI/2):this.filterToWorldQ.setFromAxisAngle(new k(1,0,0),-Math.PI/2),this.inverseWorldToScreenQ=new U,this.worldToScreenQ=new U,this.originalPoseAdjustQ=new U,this.originalPoseAdjustQ.setFromAxisAngle(new k(0,0,1),-window.orientation*Math.PI/180),this.setScreenTransform_(),p()&&this.filterToWorldQ.multiply(this.inverseWorldToScreenQ),this.resetQ=new U,this.orientationOut_=new Float32Array(4),this.start()}Y.prototype.getDeviceParams=function(){return this.deviceParams},Y.prototype.recalculateDeviceParams_=function(){var e=this.calcDeviceParams_();e?(this.deviceParams=e,this.onDeviceParamsUpdated&&this.onDeviceParamsUpdated(this.deviceParams)):console.error("Failed to recalculate device parameters.")},Y.prototype.calcDeviceParams_=function(){var e=this.dpdb;if(!e)return console.error("DPDB not available."),null;if(1!=e.format)return console.error("DPDB has unexpected format version."),null;if(!e.devices||!e.devices.length)return console.error("DPDB does not have a devices section."),null;var t=navigator.userAgent||navigator.vendor||window.opera,n=f(),i=A();if(!e.devices)return console.error("DPDB has no devices section."),null;for(var r=0;r<e.devices.length;r++){var s=e.devices[r];if(s.rules)if("ios"==s.type||"android"==s.type){if(o()==("ios"==s.type)){for(var a=!1,u=0;u<s.rules.length;u++){var l=s.rules[u];if(this.ruleMatches_(l,t,n,i)){a=!0;break}}if(a)return new Z({xdpi:s.dpi[0]||s.dpi,ydpi:s.dpi[1]||s.dpi,bevelMm:s.bw})}}else console.warn("Device["+r+"] has invalid type.");else console.warn("Device["+r+"] has no rules section.")}return console.warn("No DPDB device match."),null},Y.prototype.ruleMatches_=function(e,t,n,i){if(!e.ua&&!e.res)return!1;if(e.ua&&"SM"===e.ua.substring(0,2)&&(e.ua=e.ua.substring(0,7)),e.ua&&t.indexOf(e.ua)<0)return!1;if(e.res){if(!e.res[0]||!e.res[1])return!1;var r=e.res[0],o=e.res[1];if(Math.min(n,i)!=Math.min(r,o)||Math.max(n,i)!=Math.max(r,o))return!1}return!0},K.prototype.set=function(e,t){this.sample=e,this.timestampS=t},K.prototype.copy=function(e){this.set(e.sample,e.timestampS)},$.prototype.addAccelMeasurement=function(e,t){this.currentAccelMeasurement.set(e,t)},$.prototype.addGyroMeasurement=function(e,t){var n;this.currentGyroMeasurement.set(e,t),n=t-this.previousGyroMeasurement.timestampS,!(isNaN(n)||n<=.001||n>1)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},$.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var e=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,t=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,e);this.gyroIntegralQ.multiply(t),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(t);var n=new U;n.copy(this.filterQ),n.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(n),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();var i,r=new U;r.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),r.inverse(),this.isDebug&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",V*((i=r).w>1?(console.warn("getQuaternionAngle: w > 1"),0):2*Math.acos(i.w)),this.estimatedGravity.x.toFixed(1),this.estimatedGravity.y.toFixed(1),this.estimatedGravity.z.toFixed(1),this.measuredGravity.x.toFixed(1),this.measuredGravity.y.toFixed(1),this.measuredGravity.z.toFixed(1));var o=new U;o.copy(this.filterQ),o.multiply(r),this.filterQ.slerp(o,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},$.prototype.getOrientation=function(){return this.filterQ},$.prototype.accelToQuaternion_=function(e){var t=new k;t.copy(e),t.normalize();var n=new U;return n.setFromUnitVectors(new k(0,0,-1),t),n.inverse(),n},$.prototype.gyroToQuaternionDelta_=function(e,t){var n=new U,i=new k;return i.copy(e),i.normalize(),n.setFromAxisAngle(i,e.length()*t),n},J.prototype.getPrediction=function(e,t,n){if(!this.previousTimestampS)return this.previousQ.copy(e),this.previousTimestampS=n,e;var i=new k;i.copy(t),i.normalize();var r=t.length();if(r<20*L)return this.isDebug&&console.log("Moving slowly, at %s deg/s: no prediction",(V*r).toFixed(1)),this.outQ.copy(e),this.previousQ.copy(e),this.outQ;var o=r*this.predictionTimeS;return this.deltaQ.setFromAxisAngle(i,o),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(e),this.previousTimestampS=n,this.outQ},ee.prototype.getPosition=function(){return null},ee.prototype.getOrientation=function(){var e=void 0;if(this.isWithoutDeviceMotion&&this._deviceOrientationQ)return this.deviceOrientationFixQ=this.deviceOrientationFixQ||(n=(new U).setFromAxisAngle(new k(0,0,-1),0),i=new U,-90===window.orientation?i.setFromAxisAngle(new k(0,1,0),Math.PI/-2):i.setFromAxisAngle(new k(0,1,0),Math.PI/2),n.multiply(i)),this.deviceOrientationFilterToWorldQ=this.deviceOrientationFilterToWorldQ||((t=new U).setFromAxisAngle(new k(1,0,0),-Math.PI/2),t),e=this._deviceOrientationQ,(r=new U).copy(e),r.multiply(this.deviceOrientationFilterToWorldQ),r.multiply(this.resetQ),r.multiply(this.worldToScreenQ),r.multiplyQuaternions(this.deviceOrientationFixQ,r),this.yawOnly&&(r.x=0,r.z=0,r.normalize()),this.orientationOut_[0]=r.x,this.orientationOut_[1]=r.y,this.orientationOut_[2]=r.z,this.orientationOut_[3]=r.w,this.orientationOut_;var t,n,i,r,o=this.filter.getOrientation();return e=this.posePredictor.getPrediction(o,this.gyroscope,this.previousTimestampS),(r=new U).copy(this.filterToWorldQ),r.multiply(this.resetQ),r.multiply(e),r.multiply(this.worldToScreenQ),this.yawOnly&&(r.x=0,r.z=0,r.normalize()),this.orientationOut_[0]=r.x,this.orientationOut_[1]=r.y,this.orientationOut_[2]=r.z,this.orientationOut_[3]=r.w,this.orientationOut_},ee.prototype.resetPose=function(){this.resetQ.copy(this.filter.getOrientation()),this.resetQ.x=0,this.resetQ.y=0,this.resetQ.z*=-1,this.resetQ.normalize(),p()&&this.resetQ.multiply(this.inverseWorldToScreenQ),this.resetQ.multiply(this.originalPoseAdjustQ)},ee.prototype.onDeviceOrientation_=function(e){this._deviceOrientationQ=this._deviceOrientationQ||new U;var t=e.alpha,n=e.beta,i=e.gamma;t=(t||0)*Math.PI/180,n=(n||0)*Math.PI/180,i=(i||0)*Math.PI/180,this._deviceOrientationQ.setFromEulerYXZ(n,t,-i)},ee.prototype.onDeviceMotion_=function(e){this.updateDeviceMotion_(e)},ee.prototype.updateDeviceMotion_=function(e){var t=e.accelerationIncludingGravity,n=e.rotationRate,i=e.timeStamp/1e3,r=i-this.previousTimestampS;return r<0?(E("fusion-pose-sensor:invalid:non-monotonic","Invalid timestamps detected: non-monotonic timestamp from devicemotion"),void(this.previousTimestampS=i)):r<=.001||r>1?(E("fusion-pose-sensor:invalid:outside-threshold","Invalid timestamps detected: Timestamp from devicemotion outside expected range."),void(this.previousTimestampS=i)):(this.accelerometer.set(-t.x,-t.y,-t.z),n&&(d()?this.gyroscope.set(-n.beta,n.alpha,n.gamma):this.gyroscope.set(n.alpha,n.beta,n.gamma),this.isDeviceMotionInRadians||this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addGyroMeasurement(this.gyroscope,i)),this.filter.addAccelMeasurement(this.accelerometer,i),void(this.previousTimestampS=i))},ee.prototype.onOrientationChange_=function(e){this.setScreenTransform_()},ee.prototype.onMessage_=function(e){var t=e.data;t&&t.type&&"devicemotion"===t.type.toLowerCase()&&this.updateDeviceMotion_(t.deviceMotionEvent)},ee.prototype.setScreenTransform_=function(){switch(this.worldToScreenQ.set(0,0,0,1),window.orientation){case 0:break;case 90:this.worldToScreenQ.setFromAxisAngle(new k(0,0,1),-Math.PI/2);break;case-90:this.worldToScreenQ.setFromAxisAngle(new k(0,0,1),Math.PI/2)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},ee.prototype.start=function(){var e,t,n;this.onDeviceMotionCallback_=this.onDeviceMotion_.bind(this),this.onOrientationChangeCallback_=this.onOrientationChange_.bind(this),this.onMessageCallback_=this.onMessage_.bind(this),this.onDeviceOrientationCallback_=this.onDeviceOrientation_.bind(this),o()&&(e=window.self!==window.top,t=x(document.referrer),n=x(window.location.href),e&&t!==n)&&window.addEventListener("message",this.onMessageCallback_),window.addEventListener("orientationchange",this.onOrientationChangeCallback_),this.isWithoutDeviceMotion?window.addEventListener("deviceorientation",this.onDeviceOrientationCallback_):window.addEventListener("devicemotion",this.onDeviceMotionCallback_)},ee.prototype.stop=function(){window.removeEventListener("devicemotion",this.onDeviceMotionCallback_),window.removeEventListener("deviceorientation",this.onDeviceOrientationCallback_),window.removeEventListener("orientationchange",this.onOrientationChangeCallback_),window.removeEventListener("message",this.onMessageCallback_)};var te=new k(1,0,0),ne=new k(0,0,1),ie=new U;ie.setFromAxisAngle(te,-Math.PI/2),ie.multiply((new U).setFromAxisAngle(ne,Math.PI/2));var re=function(){function e(t){(function(e,t){if(!(e instanceof t))throw new TypeError("Cannot call a class as a function")})(this,e),this.config=t,this.sensor=null,this.fusionSensor=null,this._out=new Float32Array(4),this.api=null,this.errors=[],this._sensorQ=new U,this._outQ=new U,this._onSensorRead=this._onSensorRead.bind(this),this._onSensorError=this._onSensorError.bind(this),this.init()}return i(e,[{key:"init",value:function(){var e=null;try{(e=new RelativeOrientationSensor({frequency:60,referenceFrame:"screen"})).addEventListener("error",this._onSensorError)}catch(e){this.errors.push(e),"SecurityError"===e.name?(console.error("Cannot construct sensors due to the Feature Policy"),console.warn('Attempting to fall back using "devicemotion"; however this will fail in the future without correct permissions.'),this.useDeviceMotion()):"ReferenceError"===e.name?this.useDeviceMotion():console.error(e)}e&&(this.api="sensor",this.sensor=e,this.sensor.addEventListener("reading",this._onSensorRead),this.sensor.start())}},{key:"useDeviceMotion",value:function(){this.api="devicemotion",this.fusionSensor=new ee(this.config.K_FILTER,this.config.PREDICTION_TIME_S,this.config.YAW_ONLY,this.config.DEBUG),this.sensor&&(this.sensor.removeEventListener("reading",this._onSensorRead),this.sensor.removeEventListener("error",this._onSensorError),this.sensor=null)}},{key:"getOrientation",value:function(){if(this.fusionSensor)return this.fusionSensor.getOrientation();if(!this.sensor||!this.sensor.quaternion)return this._out[0]=this._out[1]=this._out[2]=0,this._out[3]=1,this._out;var e=this.sensor.quaternion;this._sensorQ.set(e[0],e[1],e[2],e[3]);var t=this._outQ;return t.copy(ie),t.multiply(this._sensorQ),this.config.YAW_ONLY&&(t.x=t.z=0,t.normalize()),this._out[0]=t.x,this._out[1]=t.y,this._out[2]=t.z,this._out[3]=t.w,this._out}},{key:"_onSensorError",value:function(e){this.errors.push(e.error),"NotAllowedError"===e.error.name?console.error("Permission to access sensor was denied"):"NotReadableError"===e.error.name?console.error("Sensor could not be read"):console.error(e.error),this.useDeviceMotion()}},{key:"_onSensorRead",value:function(){}}]),e}();function oe(){this.loadIcon_();var e=document.createElement("div");(o=e.style).position="fixed",o.top=0,o.right=0,o.bottom=0,o.left=0,o.backgroundColor="gray",o.fontFamily="sans-serif",o.zIndex=1e6;var t=document.createElement("img");t.src=this.icon,(o=t.style).marginLeft="25%",o.marginTop="25%",o.width="50%",e.appendChild(t);var n=document.createElement("div");(o=n.style).textAlign="center",o.fontSize="16px",o.lineHeight="24px",o.margin="24px 25%",o.width="50%",n.innerHTML="Place your phone into your Cardboard viewer.",e.appendChild(n);var i=document.createElement("div");(o=i.style).backgroundColor="#CFD8DC",o.position="fixed",o.bottom=0,o.width="100%",o.height="48px",o.padding="14px 24px",o.boxSizing="border-box",o.color="#656A6B",e.appendChild(i);var r=document.createElement("div");r.style.float="left",r.innerHTML="No Cardboard viewer?";var o,s=document.createElement("a");s.href="https://www.google.com/get/cardboard/get-cardboard/",s.innerHTML="get one",s.target="_blank",(o=s.style).float="right",o.fontWeight=600,o.textTransform="uppercase",o.borderLeft="1px solid gray",o.paddingLeft="24px",o.textDecoration="none",o.color="#656A6B",i.appendChild(r),i.appendChild(s),this.overlay=e,this.text=n,this.hide()}oe.prototype.show=function(e){e||this.overlay.parentElement?e&&(this.overlay.parentElement&&this.overlay.parentElement!=e&&this.overlay.parentElement.removeChild(this.overlay),e.appendChild(this.overlay)):document.body.appendChild(this.overlay),this.overlay.style.display="block";var t=this.overlay.querySelector("img").style;p()?(t.width="20%",t.marginLeft="40%",t.marginTop="3%"):(t.width="50%",t.marginLeft="25%",t.marginTop="25%")},oe.prototype.hide=function(){this.overlay.style.display="none"},oe.prototype.showTemporarily=function(e,t){this.show(t),this.timer=setTimeout(this.hide.bind(this),e)},oe.prototype.disableShowTemporarily=function(){clearTimeout(this.timer)},oe.prototype.update=function(){this.disableShowTemporarily(),!p()&&y()?this.show():this.hide()},oe.prototype.loadIcon_=function(){this.icon="data:image/svg+xml,"+encodeURIComponent("<svg width='198' height='240' viewBox='0 0 198 240' xmlns='http://www.w3.org/2000/svg'><g fill='none' fill-rule='evenodd'><path d='M149.625 109.527l6.737 3.891v.886c0 .177.013.36.038.549.01.081.02.162.027.242.14 1.415.974 2.998 2.105 3.999l5.72 5.062.081-.09s4.382-2.53 5.235-3.024l25.97 14.993v54.001c0 .771-.386 1.217-.948 1.217-.233 0-.495-.076-.772-.236l-23.967-13.838-.014.024-27.322 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ge({hasPosition:!1,hasOrientation:!1,hasExternalDisplay:!1,canPresent:!1,maxLayers:1}),this.stageParameters=null,this.waitingForPresent_=!1,this.layer_=null,this.originalParent_=null,this.fullscreenElement_=null,this.fullscreenWrapper_=null,this.fullscreenElementCachedStyle_=null,this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null,t&&y()&&(this.wakelock_=new ce)}ve.prototype.getFrameData=function(e){return b(e,this._getPose(),this)},ve.prototype.getPose=function(){return T("VRDisplay.prototype.getPose","VRDisplay.prototype.getFrameData"),this._getPose()},ve.prototype.resetPose=function(){return T("VRDisplay.prototype.resetPose"),this._resetPose()},ve.prototype.getImmediatePose=function(){return T("VRDisplay.prototype.getImmediatePose","VRDisplay.prototype.getFrameData"),this._getPose()},ve.prototype.requestAnimationFrame=function(e){return fe(e)},ve.prototype.cancelAnimationFrame=function(e){return Ae(e)},ve.prototype.wrapForFullscreen=function(e){if(o())return e;if(!this.fullscreenWrapper_){this.fullscreenWrapper_=document.createElement("div");var t=["height: "+Math.min(screen.height,screen.width)+"px !important","top: 0 !important","left: 0 !important","right: 0 !important","border: 0","margin: 0","padding: 0","z-index: 999999 !important","position: fixed"];this.fullscreenWrapper_.setAttribute("style",t.join("; ")+";"),this.fullscreenWrapper_.classList.add("webvr-polyfill-fullscreen-wrapper")}if(this.fullscreenElement_==e)return this.fullscreenWrapper_;if(this.fullscreenElement_&&(this.originalParent_?this.originalParent_.appendChild(this.fullscreenElement_):this.fullscreenElement_.parentElement.removeChild(this.fullscreenElement_)),this.fullscreenElement_=e,this.originalParent_=e.parentElement,this.originalParent_||document.body.appendChild(e),!this.fullscreenWrapper_.parentElement){var n=this.fullscreenElement_.parentElement;n.insertBefore(this.fullscreenWrapper_,this.fullscreenElement_),n.removeChild(this.fullscreenElement_)}this.fullscreenWrapper_.insertBefore(this.fullscreenElement_,this.fullscreenWrapper_.firstChild),this.fullscreenElementCachedStyle_=this.fullscreenElement_.getAttribute("style");var i=this;return function(){if(i.fullscreenElement_){var e=["position: absolute","top: 0","left: 0","width: "+Math.max(screen.width,screen.height)+"px","height: "+Math.min(screen.height,screen.width)+"px","border: 0","margin: 0","padding: 0"];i.fullscreenElement_.setAttribute("style",e.join("; ")+";")}}(),this.fullscreenWrapper_},ve.prototype.removeFullscreenWrapper=function(){if(this.fullscreenElement_){var e=this.fullscreenElement_;this.fullscreenElementCachedStyle_?e.setAttribute("style",this.fullscreenElementCachedStyle_):e.removeAttribute("style"),this.fullscreenElement_=null,this.fullscreenElementCachedStyle_=null;var t=this.fullscreenWrapper_.parentElement;return this.fullscreenWrapper_.removeChild(e),this.originalParent_===t?t.insertBefore(e,this.fullscreenWrapper_):this.originalParent_&&this.originalParent_.appendChild(e),t.removeChild(this.fullscreenWrapper_),e}},ve.prototype.requestPresent=function(e){var t=this.isPresenting,n=this;return e instanceof Array||(T("VRDisplay.prototype.requestPresent with non-array argument","an array of VRLayers as the first argument"),e=[e]),new Promise((function(i,r){if(n.capabilities.canPresent)if(0==e.length||e.length>n.capabilities.maxLayers)r(new Error("Invalid number of layers."));else{var a=e[0];if(a.source){var u=a.leftBounds||de,l=a.rightBounds||pe;if(t){var c=n.layer_;c.source!==a.source&&(c.source=a.source);for(var h=0;h<4;h++)c.leftBounds[h]=u[h],c.rightBounds[h]=l[h];return n.wrapForFullscreen(n.layer_.source),n.updatePresent_(),void i()}if(n.layer_={predistorted:a.predistorted,source:a.source,leftBounds:u.slice(0),rightBounds:l.slice(0)},n.waitingForPresent_=!1,n.layer_&&n.layer_.source){var d=n.wrapForFullscreen(n.layer_.source);n.addFullscreenListeners_(d,(function(){var e=document.fullscreenElement||document.webkitFullscreenElement||document.mozFullScreenElement||document.msFullscreenElement;n.isPresenting=d===e,n.isPresenting?(screen.orientation&&screen.orientation.lock&&screen.orientation.lock("landscape-primary").catch((function(e){console.error("screen.orientation.lock() failed due to",e.message)})),n.waitingForPresent_=!1,n.beginPresent_(),i()):(screen.orientation&&screen.orientation.unlock&&screen.orientation.unlock(),n.removeFullscreenWrapper(),n.disableWakeLock(),n.endPresent_(),n.removeFullscreenListeners_()),n.fireVRDisplayPresentChange_()}),(function(){n.waitingForPresent_&&(n.removeFullscreenWrapper(),n.removeFullscreenListeners_(),n.disableWakeLock(),n.waitingForPresent_=!1,n.isPresenting=!1,r(new Error("Unable to present.")))})),function(e){if(s())return!1;if(e.requestFullscreen)e.requestFullscreen();else if(e.webkitRequestFullscreen)e.webkitRequestFullscreen();else if(e.mozRequestFullScreen)e.mozRequestFullScreen();else{if(!e.msRequestFullscreen)return!1;e.msRequestFullscreen()}return!0}(d)?(n.enableWakeLock(),n.waitingForPresent_=!0):(o()||s())&&(n.enableWakeLock(),n.isPresenting=!0,n.beginPresent_(),n.fireVRDisplayPresentChange_(),i())}n.waitingForPresent_||o()||(g(),r(new Error("Unable to present.")))}else i()}else r(new Error("VRDisplay is not capable of presenting."))}))},ve.prototype.exitPresent=function(){var e=this.isPresenting,t=this;return this.isPresenting=!1,this.layer_=null,this.disableWakeLock(),new Promise((function(n,i){e?(!g()&&o()&&(t.endPresent_(),t.fireVRDisplayPresentChange_()),s()&&(t.removeFullscreenWrapper(),t.removeFullscreenListeners_(),t.endPresent_(),t.fireVRDisplayPresentChange_()),n()):i(new Error("Was not presenting to VRDisplay."))}))},ve.prototype.getLayers=function(){return this.layer_?[this.layer_]:[]},ve.prototype.fireVRDisplayPresentChange_=function(){var e=new CustomEvent("vrdisplaypresentchange",{detail:{display:this}});window.dispatchEvent(e)},ve.prototype.fireVRDisplayConnect_=function(){var e=new CustomEvent("vrdisplayconnect",{detail:{display:this}});window.dispatchEvent(e)},ve.prototype.addFullscreenListeners_=function(e,t,n){this.removeFullscreenListeners_(),this.fullscreenEventTarget_=e,this.fullscreenChangeHandler_=t,this.fullscreenErrorHandler_=n,t&&(document.fullscreenEnabled?e.addEventListener("fullscreenchange",t,!1):document.webkitFullscreenEnabled?e.addEventListener("webkitfullscreenchange",t,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenchange",t,!1):document.msFullscreenEnabled&&e.addEventListener("msfullscreenchange",t,!1)),n&&(document.fullscreenEnabled?e.addEventListener("fullscreenerror",n,!1):document.webkitFullscreenEnabled?e.addEventListener("webkitfullscreenerror",n,!1):document.mozFullScreenEnabled?document.addEventListener("mozfullscreenerror",n,!1):document.msFullscreenEnabled&&e.addEventListener("msfullscreenerror",n,!1))},ve.prototype.removeFullscreenListeners_=function(){if(this.fullscreenEventTarget_){var e=this.fullscreenEventTarget_;if(this.fullscreenChangeHandler_){var t=this.fullscreenChangeHandler_;e.removeEventListener("fullscreenchange",t,!1),e.removeEventListener("webkitfullscreenchange",t,!1),document.removeEventListener("mozfullscreenchange",t,!1),e.removeEventListener("msfullscreenchange",t,!1)}if(this.fullscreenErrorHandler_){var n=this.fullscreenErrorHandler_;e.removeEventListener("fullscreenerror",n,!1),e.removeEventListener("webkitfullscreenerror",n,!1),document.removeEventListener("mozfullscreenerror",n,!1),e.removeEventListener("msfullscreenerror",n,!1)}this.fullscreenEventTarget_=null,this.fullscreenChangeHandler_=null,this.fullscreenErrorHandler_=null}},ve.prototype.enableWakeLock=function(){this.wakelock_&&this.wakelock_.enable()},ve.prototype.disableWakeLock=function(){this.wakelock_&&this.wakelock_.disable()},ve.prototype.beginPresent_=function(){},ve.prototype.endPresent_=function(){},ve.prototype.submitFrame=function(e){},ve.prototype.getEyeParameters=function(e){return null};var me={ADDITIONAL_VIEWERS:[],DEFAULT_VIEWER:"",MOBILE_WAKE_LOCK:!0,DEBUG:!1,DPDB_URL:"https://dpdb.webvr.rocks/dpdb.json",K_FILTER:.98,PREDICTION_TIME_S:.04,CARDBOARD_UI_DISABLED:!1,ROTATE_INSTRUCTIONS_DISABLED:!1,YAW_ONLY:!1,BUFFER_SCALE:.5,DIRTY_SUBMIT_FRAME_BINDINGS:!1},ye="left",_e="right";function we(e){var t=_({},me);e=_(t,e||{}),ve.call(this,{wakelock:e.MOBILE_WAKE_LOCK}),this.config=e,this.displayName="Cardboard VRDisplay",this.capabilities=new ge({hasPosition:!1,hasOrientation:!0,hasExternalDisplay:!1,canPresent:!0,maxLayers:1}),this.stageParameters=null,this.bufferScale_=this.config.BUFFER_SCALE,this.poseSensor_=new re(this.config),this.distorter_=null,this.cardboardUI_=null,this.dpdb_=new Y(this.config.DPDB_URL,this.onDeviceParamsUpdated_.bind(this)),this.deviceInfo_=new X(this.dpdb_.getDeviceParams(),e.ADDITIONAL_VIEWERS),this.viewerSelector_=new ae(e.DEFAULT_VIEWER),this.viewerSelector_.onChange(this.onViewerChanged_.bind(this)),this.deviceInfo_.setViewer(this.viewerSelector_.getCurrentViewer()),this.config.ROTATE_INSTRUCTIONS_DISABLED||(this.rotateInstructions_=new oe),o()&&window.addEventListener("resize",this.onResize_.bind(this))}return we.prototype=Object.create(ve.prototype),we.prototype._getPose=function(){return{position:null,orientation:this.poseSensor_.getOrientation(),linearVelocity:null,linearAcceleration:null,angularVelocity:null,angularAcceleration:null}},we.prototype._resetPose=function(){this.poseSensor_.resetPose&&this.poseSensor_.resetPose()},we.prototype._getFieldOfView=function(e){var t;if(e==ye)t=this.deviceInfo_.getFieldOfViewLeftEye();else{if(e!=_e)return console.error("Invalid eye provided: %s",e),null;t=this.deviceInfo_.getFieldOfViewRightEye()}return t},we.prototype._getEyeOffset=function(e){var t;if(e==ye)t=[.5*-this.deviceInfo_.viewer.interLensDistance,0,0];else{if(e!=_e)return console.error("Invalid eye provided: %s",e),null;t=[.5*this.deviceInfo_.viewer.interLensDistance,0,0]}return t},we.prototype.getEyeParameters=function(e){var t=this._getEyeOffset(e),n=this._getFieldOfView(e),i={offset:t,renderWidth:.5*this.deviceInfo_.device.width*this.bufferScale_,renderHeight:this.deviceInfo_.device.height*this.bufferScale_};return Object.defineProperty(i,"fieldOfView",{enumerable:!0,get:function(){return T("VRFieldOfView","VRFrameData's projection matrices"),n}}),i},we.prototype.onDeviceParamsUpdated_=function(e){this.config.DEBUG&&console.log("DPDB reported that device params were updated."),this.deviceInfo_.updateDeviceParams(e),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_)},we.prototype.updateBounds_=function(){this.layer_&&this.distorter_&&(this.layer_.leftBounds||this.layer_.rightBounds)&&this.distorter_.setTextureBounds(this.layer_.leftBounds,this.layer_.rightBounds)},we.prototype.beginPresent_=function(){var e=this.layer_.source.getContext("webgl");e||(e=this.layer_.source.getContext("experimental-webgl")),e||(e=this.layer_.source.getContext("webgl2")),e&&(this.layer_.predistorted?this.config.CARDBOARD_UI_DISABLED||(e.canvas.width=f()*this.bufferScale_,e.canvas.height=A()*this.bufferScale_,this.cardboardUI_=new O(e)):(this.config.CARDBOARD_UI_DISABLED||(this.cardboardUI_=new O(e)),this.distorter_=new C(e,this.cardboardUI_,this.config.BUFFER_SCALE,this.config.DIRTY_SUBMIT_FRAME_BINDINGS),this.distorter_.updateDeviceInfo(this.deviceInfo_)),this.cardboardUI_&&this.cardboardUI_.listen(function(e){this.viewerSelector_.show(this.layer_.source.parentElement),e.stopPropagation(),e.preventDefault()}.bind(this),function(e){this.exitPresent(),e.stopPropagation(),e.preventDefault()}.bind(this)),this.rotateInstructions_&&(p()&&y()?this.rotateInstructions_.showTemporarily(3e3,this.layer_.source.parentElement):this.rotateInstructions_.update()),this.orientationHandler=this.onOrientationChange_.bind(this),window.addEventListener("orientationchange",this.orientationHandler),this.vrdisplaypresentchangeHandler=this.updateBounds_.bind(this),window.addEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler),this.fireVRDisplayDeviceParamsChange_())},we.prototype.endPresent_=function(){this.distorter_&&(this.distorter_.destroy(),this.distorter_=null),this.cardboardUI_&&(this.cardboardUI_.destroy(),this.cardboardUI_=null),this.rotateInstructions_&&this.rotateInstructions_.hide(),this.viewerSelector_.hide(),window.removeEventListener("orientationchange",this.orientationHandler),window.removeEventListener("vrdisplaypresentchange",this.vrdisplaypresentchangeHandler)},we.prototype.updatePresent_=function(){this.endPresent_(),this.beginPresent_()},we.prototype.submitFrame=function(e){if(this.distorter_)this.updateBounds_(),this.distorter_.submitFrame();else if(this.cardboardUI_&&this.layer_){var t=this.layer_.source.getContext("webgl");t||(t=this.layer_.source.getContext("experimental-webgl")),t||(t=this.layer_.source.getContext("webgl2"));var n=t.canvas;n.width==this.lastWidth&&n.height==this.lastHeight||this.cardboardUI_.onResize(),this.lastWidth=n.width,this.lastHeight=n.height,this.cardboardUI_.render()}},we.prototype.onOrientationChange_=function(e){this.viewerSelector_.hide(),this.rotateInstructions_&&this.rotateInstructions_.update(),this.onResize_()},we.prototype.onResize_=function(e){if(this.layer_){var t=this.layer_.source.getContext("webgl");t||(t=this.layer_.source.getContext("experimental-webgl")),t||(t=this.layer_.source.getContext("webgl2")),t.canvas.setAttribute("style",["position: absolute","top: 0","left: 0","width: 100vw","height: 100vh","border: 0","margin: 0","padding: 0px","box-sizing: content-box"].join("; ")+";"),w(t.canvas)}},we.prototype.onViewerChanged_=function(e){this.deviceInfo_.setViewer(e),this.distorter_&&this.distorter_.updateDeviceInfo(this.deviceInfo_),this.fireVRDisplayDeviceParamsChange_()},we.prototype.fireVRDisplayDeviceParamsChange_=function(){var e=new CustomEvent("vrdisplaydeviceparamschange",{detail:{vrdisplay:this,deviceInfo:this.deviceInfo_}});window.dispatchEvent(e)},we.VRFrameData=function(){this.leftProjectionMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.rightViewMatrix=new Float32Array(16),this.pose=null},we.VRDisplay=ve,we}()}(Ee={exports:{}}),Ee.exports))&&Te.__esModule&&Object.prototype.hasOwnProperty.call(Te,"default")?Te.default:Te;class Me extends i{constructor(e){super(),this.global=e,this.onWindowResize=this.onWindowResize.bind(this),this.global.window.addEventListener("resize",this.onWindowResize),this.environmentBlendMode="opaque"}onBaseLayerSet(e,t){throw new Error("Not implemented")}isSessionSupported(e){throw new Error("Not implemented")}isFeatureSupported(e){throw new Error("Not implemented")}async requestSession(e,t){throw new Error("Not implemented")}requestAnimationFrame(e){throw new Error("Not implemented")}onFrameStart(e){throw new Error("Not implemented")}onFrameEnd(e){throw new Error("Not implemented")}doesSessionSupportReferenceSpace(e,t){throw new Error("Not implemented")}requestStageBounds(){throw new Error("Not implemented")}async requestFrameOfReferenceTransform(e,t){}cancelAnimationFrame(e){throw new Error("Not implemented")}endSession(e){throw new Error("Not implemented")}getViewport(e,t,n,i){throw new Error("Not implemented")}getProjectionMatrix(e){throw new Error("Not implemented")}getBasePoseMatrix(){throw new Error("Not implemented")}getBaseViewMatrix(e){throw new Error("Not implemented")}getInputSources(){throw new Error("Not implemented")}getInputPose(e,t,n){throw new Error("Not implemented")}onWindowResize(){this.onWindowResize()}}let Ce={mapping:"xr-standard",profiles:["oculus-go","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0},gripTransform:{orientation:[.11*Math.PI,0,0,1]}},Pe={mapping:"xr-standard",displayProfiles:{"Oculus Quest":["oculus-touch-v2","oculus-touch","generic-trigger-squeeze-thumbstick"]},profiles:["oculus-touch","generic-trigger-squeeze-thumbstick"],axes:{length:4,0:null,1:null,2:0,3:1},buttons:{length:7,0:1,1:2,2:null,3:0,4:3,5:4,6:null},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},Fe={mapping:"xr-standard",profiles:["htc-vive","generic-trigger-squeeze-touchpad"],displayProfiles:{"HTC Vive":["htc-vive","generic-trigger-squeeze-touchpad"],"HTC Vive DVT":["htc-vive","generic-trigger-squeeze-touchpad"],"Valve Index":["valve-index","generic-trigger-squeeze-touchpad-thumbstick"]},buttons:{length:3,0:1,1:2,2:0},gripTransform:{position:[0,0,.05,1]},targetRayTransform:{orientation:[-.08*Math.PI,0,0,1]},userAgentOverrides:{Firefox:{axes:{invert:[1,3]}}}},De={mapping:"xr-standard",profiles:["samsung-gearvr","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0},gripTransform:{orientation:[.11*Math.PI,0,0,1]}},Ie={mapping:"xr-standard",profiles:["samsung-odyssey","microsoft-mixed-reality","generic-trigger-squeeze-touchpad-thumbstick"],buttons:{length:4,0:1,1:0,2:2,3:4},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},Oe={mapping:"xr-standard",profiles:["microsoft-mixed-reality","generic-trigger-squeeze-touchpad-thumbstick"],buttons:{length:4,0:1,1:0,2:2,3:4},gripTransform:{position:[0,-.02,.04,1],orientation:[.11*Math.PI,0,0,1]}},Be={"Daydream Controller":{mapping:"",profiles:["google-daydream","generic-trigger-touchpad"],buttons:{length:3,0:null,1:null,2:0}},"Gear VR Controller":De,"HTC Vive Focus Controller":{mapping:"xr-standard",profiles:["htc-vive-focus","generic-trigger-touchpad"],buttons:{length:3,0:1,1:null,2:0}},"Oculus Go Controller":Ce,"Oculus Touch (Right)":Pe,"Oculus Touch (Left)":Pe,"OpenVR Gamepad":Fe,"Spatial Controller (Spatial Interaction Source) 045E-065A":Oe,"Spatial Controller (Spatial Interaction Source) 045E-065D":Ie,"Windows Mixed Reality (Right)":Oe,"Windows Mixed Reality (Left)":Oe};const Le=A(.155,-.465,-.15),Ve=A(-.155,-.465,-.15),ke=A(0,0,-.25),Ne=A(0,0,.05),Qe=A(-.08,.14,.08),Ue=180/Math.PI;class We{constructor(){this.hand="right",this.headElbowOffset=Le,this.controllerQ=b(),this.lastControllerQ=b(),this.headQ=b(),this.headPos=p(),this.elbowPos=p(),this.wristPos=p(),this.time=null,this.lastTime=null,this.rootQ=b(),this.position=p()}setHandedness(e){this.hand!=e&&(this.hand=e,"left"==this.hand?this.headElbowOffset=Ve:this.headElbowOffset=Le)}update(e,t){this.time=Q(),e&&(R(this.lastControllerQ,this.controllerQ),R(this.controllerQ,e)),t&&(c(this.headPos,t),h(this.headQ,t));let n=this.getHeadYawOrientation_(),i=this.quatAngle_(this.lastControllerQ,this.controllerQ);i/((this.time-this.lastTime)/1e3)>.61?E(this.rootQ,this.rootQ,n,Math.min(i/.175,1)):R(this.rootQ,n);let r=A(0,0,-1);w(r,r,this.controllerQ);let o=_(r,[0,1,0]),s=this.clamp_((o-.12)/.87,0,1),a=S(this.rootQ);T(a,a),x(a,a,this.controllerQ);let u=this.elbowPos;g(u,this.headPos),v(u,u,this.headElbowOffset);let l=f(Qe);m(l,l,s),v(u,u,l);let d=this.quatAngle_(a,b())*Ue,p=(1-Math.pow(d/180,4))*(.4+.6*s*.4),y=b();E(y,y,a,p);let M=T(b(),y),C=S(a);x(C,C,M);let P=this.wristPos;g(P,Ne),w(P,P,y),v(P,P,ke),w(P,P,C),v(P,P,u);let F=f(Qe);m(F,F,s),v(this.position,this.wristPos,F),w(this.position,this.position,this.rootQ),this.lastTime=this.time}getPosition(){return this.position}getHeadYawOrientation_(){let e=p();return function(e,t,n){function i(e,t,n){return e<t?t:e>n?n:e}var r=t[0]*t[0],o=t[1]*t[1],s=t[2]*t[2],a=t[3]*t[3];e[0]=Math.asin(i(2*(t[0]*t[3]-t[1]*t[2]),-1,1)),e[1]=Math.atan2(2*(t[0]*t[2]+t[1]*t[3]),a-r-o+s),e[2]=Math.atan2(2*(t[0]*t[1]+t[2]*t[3]),a-r+o-s)}(e,this.headQ),function(e,t,n,i){let r=.5*Math.PI/180;t*=r,n*=r,i*=r;let o=Math.sin(t),s=Math.cos(t),a=Math.sin(n),u=Math.cos(n),l=Math.sin(i),c=Math.cos(i);return e[0]=o*u*c-s*a*l,e[1]=s*a*c+o*u*l,e[2]=s*u*l-o*a*c,e[3]=s*u*c+o*a*l,e}(b(),0,e[1]*Ue,0)}clamp_(e,t,n){return Math.min(Math.max(e,t),n)}quatAngle_(e,t){let n=[0,0,-1],i=[0,0,-1];return w(n,n,e),w(i,i,t),function(e,t){let n=A(e[0],e[1],e[2]),i=A(t[0],t[1],t[2]);y(n,n),y(i,i);let r=_(n,i);return r>1?0:r<-1?Math.PI:Math.acos(r)}(n,i)}}const Ge=Symbol("@@webxr-polyfill/XRRemappedGamepad"),je={pressed:!1,touched:!1,value:0};Object.freeze(je);class ze{constructor(e,t,n){if(n||(n={}),n.userAgentOverrides)for(let e in n.userAgentOverrides)if(navigator.userAgent.includes(e)){let t=n.userAgentOverrides[e];for(let e in t)e in n?Object.assign(n[e],t[e]):n[e]=t[e];break}let i=new Array(n.axes&&n.axes.length?n.axes.length:e.axes.length),r=new Array(n.buttons&&n.buttons.length?n.buttons.length:e.buttons.length),s=null;if(n.gripTransform){let e=n.gripTransform.orientation||[0,0,0,1];l(s=o(),M(e,e),n.gripTransform.position||[0,0,0])}let a=null;if(n.targetRayTransform){let e=n.targetRayTransform.orientation||[0,0,0,1];l(a=o(),M(e,e),n.targetRayTransform.position||[0,0,0])}let u=n.profiles;n.displayProfiles&&t.displayName in n.displayProfiles&&(u=n.displayProfiles[t.displayName]),this[Ge]={gamepad:e,map:n,profiles:u||[e.id],mapping:n.mapping||e.mapping,axes:i,buttons:r,gripTransform:s,targetRayTransform:a},this._update()}_update(){let e=this[Ge].gamepad,t=this[Ge].map,n=this[Ge].axes;for(let i=0;i<n.length;++i)t.axes&&i in t.axes?null===t.axes[i]?n[i]=0:n[i]=e.axes[t.axes[i]]:n[i]=e.axes[i];if(t.axes&&t.axes.invert)for(let e of t.axes.invert)e<n.length&&(n[e]*=-1);let i=this[Ge].buttons;for(let n=0;n<i.length;++n)t.buttons&&n in t.buttons?null===t.buttons[n]?i[n]=je:i[n]=e.buttons[t.buttons[n]]:i[n]=e.buttons[n]}get id(){return""}get _profiles(){return this[Ge].profiles}get index(){return-1}get connected(){return this[Ge].gamepad.connected}get timestamp(){return this[Ge].gamepad.timestamp}get mapping(){return this[Ge].mapping}get axes(){return this[Ge].axes}get buttons(){return this[Ge].buttons}get hapticActuators(){return this[Ge].gamepad.hapticActuators}}class Xe{constructor(e,t,n=0,i=-1){this.polyfill=e,this.display=t,this.nativeGamepad=null,this.gamepad=null,this.inputSource=new ve(this),this.lastPosition=p(),this.emulatedPosition=!1,this.basePoseMatrix=o(),this.outputMatrix=o(),this.primaryButtonIndex=n,this.primaryActionPressed=!1,this.primarySqueezeButtonIndex=i,this.primarySqueezeActionPressed=!1,this.handedness="",this.targetRayMode="gaze",this.armModel=null}get profiles(){return this.gamepad?this.gamepad._profiles:[]}updateFromGamepad(e){this.nativeGamepad!==e&&(this.nativeGamepad=e,this.gamepad=e?new ze(e,this.display,Be[e.id]):null),this.handedness=""===e.hand?"none":e.hand,this.gamepad&&this.gamepad._update(),e.pose?(this.targetRayMode="tracked-pointer",this.emulatedPosition=!e.pose.hasPosition):""===e.hand&&(this.targetRayMode="gaze",this.emulatedPosition=!1)}updateBasePoseMatrix(){if(this.nativeGamepad&&this.nativeGamepad.pose){let e=this.nativeGamepad.pose,t=e.position,n=e.orientation;if(!t&&!n)return;t?(this.lastPosition[0]=t[0],this.lastPosition[1]=t[1],this.lastPosition[2]=t[2]):e.hasPosition?t=this.lastPosition:(this.armModel||(this.armModel=new We),this.armModel.setHandedness(this.nativeGamepad.hand),this.armModel.update(n,this.polyfill.getBasePoseMatrix()),t=this.armModel.getPosition()),l(this.basePoseMatrix,n,t)}else e=this.basePoseMatrix,t=this.polyfill.getBasePoseMatrix(),e[0]=t[0],e[1]=t[1],e[2]=t[2],e[3]=t[3],e[4]=t[4],e[5]=t[5],e[6]=t[6],e[7]=t[7],e[8]=t[8],e[9]=t[9],e[10]=t[10],e[11]=t[11],e[12]=t[12],e[13]=t[13],e[14]=t[14],e[15]=t[15];var e,t;return this.basePoseMatrix}getXRPose(e,t){switch(this.updateBasePoseMatrix(),t){case"target-ray":e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix),this.gamepad&&this.gamepad[Ge].targetRayTransform&&u(this.outputMatrix,this.outputMatrix,this.gamepad[Ge].targetRayTransform);break;case"grip":if(!this.nativeGamepad||!this.nativeGamepad.pose)return null;e._transformBasePoseMatrix(this.outputMatrix,this.basePoseMatrix),this.gamepad&&this.gamepad[Ge].gripTransform&&u(this.outputMatrix,this.outputMatrix,this.gamepad[Ge].gripTransform);break;default:return null}return e._adjustForOriginOffset(this.outputMatrix),new XRPose(new XRRigidTransform(this.outputMatrix),this.emulatedPosition)}}const He={highRefreshRate:!0},qe={oculus:1,openvr:1,"spatial controller (spatial interaction source)":1};let Ye=0;class Ze{constructor(e,t,n={}){if(this.mode=e,this.enabledFeatures=t,this.outputContext=null,this.immersive="immersive-vr"==e||"immersive-ar"==e,this.ended=null,this.baseLayer=null,this.id=++Ye,this.modifiedCanvasLayer=!1,this.outputContext){const e=n.renderContextType||"2d";this.renderContext=this.outputContext.canvas.getContext(e)}}}class Ke extends Me{constructor(e,t){const{canPresent:n}=t.capabilities;super(e),this.display=t,this.frame=new e.VRFrameData,this.sessions=new Map,this.immersiveSession=null,this.canPresent=n,this.baseModelMatrix=o(),this.gamepadInputSources={},this.tempVec3=new Float32Array(3),this.onVRDisplayPresentChange=this.onVRDisplayPresentChange.bind(this),e.window.addEventListener("vrdisplaypresentchange",this.onVRDisplayPresentChange),this.CAN_USE_GAMEPAD=e.navigator&&"getGamepads"in e.navigator,this.HAS_BITMAP_SUPPORT=(e=>!(!e.ImageBitmapRenderingContext||!e.createImageBitmap))(e)}get depthNear(){return this.display.depthNear}set depthNear(e){this.display.depthNear=e}get depthFar(){return this.display.depthFar}set depthFar(e){this.display.depthFar=e}onBaseLayerSet(e,t){const n=this.sessions.get(e),i=t.context.canvas;if(n.immersive){const e=this.display.getEyeParameters("left"),r=this.display.getEyeParameters("right");i.width=2*Math.max(e.renderWidth,r.renderWidth),i.height=Math.max(e.renderHeight,r.renderHeight),this.display.requestPresent([{source:i,attributes:He}]).then((()=>{this.global.document.body.contains(i)||(n.modifiedCanvasLayer=!0,this.global.document.body.appendChild(i),(e=>{e.style.display="block",e.style.position="absolute",e.style.width=e.style.height="1px",e.style.top=e.style.left="0px"})(i)),n.baseLayer=t}))}else n.baseLayer=t}isSessionSupported(e){return"immersive-ar"!=e&&("immersive-vr"!=e||!1!==this.canPresent)}isFeatureSupported(e){switch(e){case"viewer":case"local":case"local-floor":return!0;case"bounded":case"unbounded":default:return!1}}async requestSession(e,t){if(!this.isSessionSupported(e))return Promise.reject();let n="immersive-vr"==e;if(n){const e=this.global.document.createElement("canvas");e.getContext("webgl"),await this.display.requestPresent([{source:e,attributes:He}])}const i=new Ze(e,t,{renderContextType:this.HAS_BITMAP_SUPPORT?"bitmaprenderer":"2d"});return this.sessions.set(i.id,i),n&&(this.immersiveSession=i,this.dispatchEvent("@@webxr-polyfill/vr-present-start",i.id)),Promise.resolve(i.id)}requestAnimationFrame(e){return this.display.requestAnimationFrame(e)}getPrimaryButtonIndex(e){let t=0,n=e.id.toLowerCase();for(let e in qe)if(n.includes(e)){t=qe[e];break}return Math.min(t,e.buttons.length-1)}onFrameStart(e,t){this.display.depthNear=t.depthNear,this.display.depthFar=t.depthFar,this.display.getFrameData(this.frame);const n=this.sessions.get(e);if(n.immersive&&this.CAN_USE_GAMEPAD){let e=this.gamepadInputSources;this.gamepadInputSources={};let t=this.global.navigator.getGamepads();for(let i=0;i<t.length;++i){let r=t[i];if(r&&r.displayId>0){let t=e[i];if(t||(t=new Xe(this,this.display,this.getPrimaryButtonIndex(r))),t.updateFromGamepad(r),this.gamepadInputSources[i]=t,-1!=t.primaryButtonIndex){let e=r.buttons[t.primaryButtonIndex].pressed;e&&!t.primaryActionPressed?this.dispatchEvent("@@webxr-polyfill/input-select-start",{sessionId:n.id,inputSource:t.inputSource}):!e&&t.primaryActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-select-end",{sessionId:n.id,inputSource:t.inputSource}),t.primaryActionPressed=e}if(-1!=t.primarySqueezeButtonIndex){let e=r.buttons[t.primarySqueezeButtonIndex].pressed;e&&!t.primarySqueezeActionPressed?this.dispatchEvent("@@webxr-polyfill/input-squeeze-start",{sessionId:n.id,inputSource:t.inputSource}):!e&&t.primarySqueezeActionPressed&&this.dispatchEvent("@@webxr-polyfill/input-squeeze-end",{sessionId:n.id,inputSource:t.inputSource}),t.primarySqueezeActionPressed=e}}}}if(!n.immersive&&n.baseLayer){const e=n.baseLayer.context.canvas;d(this.frame.leftProjectionMatrix,t.inlineVerticalFieldOfView,e.width/e.height,t.depthNear,t.depthFar)}}onFrameEnd(e){const t=this.sessions.get(e);if(!t.ended&&t.baseLayer){if(t.outputContext&&(!t.immersive||this.display.capabilities.hasExternalDisplay)){const e=t.immersive&&this.display.capabilities.hasExternalDisplay,n=t.baseLayer.context.canvas,i=e?n.width/2:n.width,r=n.height;{const e=t.outputContext.canvas,o=e.width,s=e.height,a=t.renderContext;this.HAS_BITMAP_SUPPORT?n.transferToImageBitmap?a.transferFromImageBitmap(n.transferToImageBitmap()):this.global.createImageBitmap(n,0,0,i,r,{resizeWidth:o,resizeHeight:s}).then((e=>a.transferFromImageBitmap(e))):a.drawImage(n,0,0,i,r,0,0,o,s)}}t.immersive&&t.baseLayer&&this.display.submitFrame()}}cancelAnimationFrame(e){this.display.cancelAnimationFrame(e)}async endSession(e){const t=this.sessions.get(e);if(!t.ended)return t.immersive?this.display.exitPresent():void(t.ended=!0)}doesSessionSupportReferenceSpace(e,t){const n=this.sessions.get(e);return!n.ended&&n.enabledFeatures.has(t)}requestStageBounds(){if(this.display.stageParameters){const e=this.display.stageParameters.sizeX,t=this.display.stageParameters.sizeZ,n=[];return n.push(-e/2),n.push(-t/2),n.push(e/2),n.push(-t/2),n.push(e/2),n.push(t/2),n.push(-e/2),n.push(t/2),n}return null}async requestFrameOfReferenceTransform(e,t){return("local-floor"===e||"bounded-floor"===e)&&this.display.stageParameters&&this.display.stageParameters.sittingToStandingTransform?this.display.stageParameters.sittingToStandingTransform:null}getProjectionMatrix(e){if("left"===e)return this.frame.leftProjectionMatrix;if("right"===e)return this.frame.rightProjectionMatrix;if("none"===e)return this.frame.leftProjectionMatrix;throw new Error("eye must be of type 'left' or 'right'")}getViewport(e,t,n,i){const r=this.sessions.get(e),{width:o,height:s}=n.context.canvas;if(!r.immersive)return i.x=i.y=0,i.width=o,i.height=s,!0;if("left"===t||"none"===t)i.x=0;else{if("right"!==t)return!1;i.x=o/2}return i.y=0,i.width=o/2,i.height=s,!0}getBasePoseMatrix(){let{position:e,orientation:t}=this.frame.pose;return e||t?(e||((e=this.tempVec3)[0]=e[1]=e[2]=0),l(this.baseModelMatrix,t,e),this.baseModelMatrix):this.baseModelMatrix}getBaseViewMatrix(e){if("left"===e||"none"===e)return this.frame.leftViewMatrix;if("right"===e)return this.frame.rightViewMatrix;throw new Error("eye must be of type 'left' or 'right'")}getInputSources(){let e=[];for(let t in this.gamepadInputSources)e.push(this.gamepadInputSources[t].inputSource);return e}getInputPose(e,t,n){if(!t)return null;for(let i in this.gamepadInputSources){let r=this.gamepadInputSources[i];if(r.inputSource===e)return r.getXRPose(t,n)}return null}onWindowResize(){}onVRDisplayPresentChange(e){this.display.isPresenting||this.sessions.forEach((e=>{if(e.immersive&&!e.ended){if(e.modifiedCanvasLayer){const t=e.baseLayer.context.canvas;document.body.removeChild(t),t.setAttribute("style","")}this.immersiveSession===e&&(this.immersiveSession=null),this.dispatchEvent("@@webxr-polyfill/vr-present-end",e.id)}}))}}let $e=0;class Je{constructor(e,t){this.mode=e,this.enabledFeatures=t,this.ended=null,this.baseLayer=null,this.id=++$e}}const et={global:e,webvr:!0,cardboard:!0,cardboardConfig:null,allowCardboardOnDesktop:!1},tt=["navigator","HTMLCanvasElement","WebGLRenderingContext"];return class{constructor(e={}){this.config=Object.freeze(Object.assign({},et,e)),this.global=this.config.global,this.nativeWebXR="xr"in this.global.navigator,this.injected=!1,this.nativeWebXR?this._injectCompatibilityShims(this.global):this._injectPolyfill(this.global)}_injectPolyfill(e){if(!tt.every((t=>!!e[t])))throw new Error(`Global must have the following attributes : ${tt}`);for(const t of Object.keys(_e))void 0!==e[t]?console.warn(`${t} already defined on global.`):e[t]=_e[t];we(e.WebGLRenderingContext)&&(be(e.HTMLCanvasElement),e.OffscreenCanvas&&be(e.OffscreenCanvas),e.WebGL2RenderingContext&&we(e.WebGL2RenderingContext),window.isSecureContext||console.warn("WebXR Polyfill Warning:\nThis page is not running in a secure context (https:// or localhost)!\nThis means that although the page may be able to use the WebXR Polyfill it will\nnot be able to use native WebXR implementations, and as such will not be able to\naccess dedicated VR or AR hardware, and will not be able to take advantage of\nany performance improvements a native WebXR implementation may offer. Please\nhost this content on a secure origin for the best user experience.\n")),this.injected=!0,this._patchNavigatorXR()}_patchNavigatorXR(){let e=async function(e,t){if(t.webvr){let t=await async function(e){let t=null;if("getVRDisplays"in e.navigator)try{const n=await e.navigator.getVRDisplays();n&&n.length&&(t=new Ke(e,n[0]))}catch(e){}return t}(e);if(t)return t}let n=(e=>{var t=!1;return xe=e.navigator.userAgent||e.navigator.vendor||e.opera,(/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|mobile.+firefox|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows ce|xda|xiino/i.test(xe)||/1207|6310|6590|3gso|4thp|50[1-6]i|770s|802s|a wa|abac|ac(er|oo|s\-)|ai(ko|rn)|al(av|ca|co)|amoi|an(ex|ny|yw)|aptu|ar(ch|go)|as(te|us)|attw|au(di|\-m|r |s )|avan|be(ck|ll|nq)|bi(lb|rd)|bl(ac|az)|br(e|v)w|bumb|bw\-(n|u)|c55\/|capi|ccwa|cdm\-|cell|chtm|cldc|cmd\-|co(mp|nd)|craw|da(it|ll|ng)|dbte|dc\-s|devi|dica|dmob|do(c|p)o|ds(12|\-d)|el(49|ai)|em(l2|ul)|er(ic|k0)|esl8|ez([4-7]0|os|wa|ze)|fetc|fly(\-|_)|g1 u|g560|gene|gf\-5|g\-mo|go(\.w|od)|gr(ad|un)|haie|hcit|hd\-(m|p|t)|hei\-|hi(pt|ta)|hp( i|ip)|hs\-c|ht(c(\-| |_|a|g|p|s|t)|tp)|hu(aw|tc)|i\-(20|go|ma)|i230|iac( |\-|\/)|ibro|idea|ig01|ikom|im1k|inno|ipaq|iris|ja(t|v)a|jbro|jemu|jigs|kddi|keji|kgt( |\/)|klon|kpt |kwc\-|kyo(c|k)|le(no|xi)|lg( g|\/(k|l|u)|50|54|\-[a-w])|libw|lynx|m1\-w|m3ga|m50\/|ma(te|ui|xo)|mc(01|21|ca)|m\-cr|me(rc|ri)|mi(o8|oa|ts)|mmef|mo(01|02|bi|de|do|t(\-| |o|v)|zz)|mt(50|p1|v )|mwbp|mywa|n10[0-2]|n20[2-3]|n30(0|2)|n50(0|2|5)|n7(0(0|1)|10)|ne((c|m)\-|on|tf|wf|wg|wt)|nok(6|i)|nzph|o2im|op(ti|wv)|oran|owg1|p800|pan(a|d|t)|pdxg|pg(13|\-([1-8]|c))|phil|pire|pl(ay|uc)|pn\-2|po(ck|rt|se)|prox|psio|pt\-g|qa\-a|qc(07|12|21|32|60|\-[2-7]|i\-)|qtek|r380|r600|raks|rim9|ro(ve|zo)|s55\/|sa(ge|ma|mm|ms|ny|va)|sc(01|h\-|oo|p\-)|sdk\/|se(c(\-|0|1)|47|mc|nd|ri)|sgh\-|shar|sie(\-|m)|sk\-0|sl(45|id)|sm(al|ar|b3|it|t5)|so(ft|ny)|sp(01|h\-|v\-|v )|sy(01|mb)|t2(18|50)|t6(00|10|18)|ta(gt|lk)|tcl\-|tdg\-|tel(i|m)|tim\-|t\-mo|to(pl|sh)|ts(70|m\-|m3|m5)|tx\-9|up(\.b|g1|si)|utst|v400|v750|veri|vi(rg|te)|vk(40|5[0-3]|\-v)|vm40|voda|vulc|vx(52|53|60|61|70|80|81|83|85|98)|w3c(\-| )|webc|whit|wi(g |nc|nw)|wmlb|wonu|x700|yas\-|your|zeto|zte\-/i.test(xe.substr(0,4)))&&(t=!0),t})(e);return n&&t.cardboard||!n&&t.allowCardboardOnDesktop?(e.VRFrameData||(e.VRFrameData=function(){this.rightViewMatrix=new Float32Array(16),this.leftViewMatrix=new Float32Array(16),this.rightProjectionMatrix=new Float32Array(16),this.leftProjectionMatrix=new Float32Array(16),this.pose=null}),new class extends Ke{constructor(e,t){const n=new Re(t||{});super(e,n),this.display=n,this.frame={rightViewMatrix:new Float32Array(16),leftViewMatrix:new Float32Array(16),rightProjectionMatrix:new Float32Array(16),leftProjectionMatrix:new Float32Array(16),pose:null,timestamp:null}}}(e,t.cardboardConfig)):new class extends Me{constructor(e){super(e),this.sessions=new Map,this.projectionMatrix=o(),this.identityMatrix=o()}onBaseLayerSet(e,t){this.sessions.get(e).baseLayer=t}isSessionSupported(e){return"inline"==e}isFeatureSupported(e){switch(e){case"viewer":return!0;default:return!1}}async requestSession(e,t){if(!this.isSessionSupported(e))return Promise.reject();const n=new Je(e,t);return this.sessions.set(n.id,n),Promise.resolve(n.id)}requestAnimationFrame(e){return window.requestAnimationFrame(e)}cancelAnimationFrame(e){window.cancelAnimationFrame(e)}onFrameStart(e,t){const n=this.sessions.get(e);if(n.baseLayer){const e=n.baseLayer.context.canvas;d(this.projectionMatrix,t.inlineVerticalFieldOfView,e.width/e.height,t.depthNear,t.depthFar)}}onFrameEnd(e){}async endSession(e){this.sessions.get(e).ended=!0}doesSessionSupportReferenceSpace(e,t){const n=this.sessions.get(e);return!n.ended&&n.enabledFeatures.has(t)}requestStageBounds(){return null}async requestFrameOfReferenceTransform(e,t){return null}getProjectionMatrix(e){return this.projectionMatrix}getViewport(e,t,n,i){const{width:r,height:o}=n.context.canvas;return this.sessions.get(e),i.x=i.y=0,i.width=r,i.height=o,!0}getBasePoseMatrix(){return this.identityMatrix}getBaseViewMatrix(e){return this.identityMatrix}getInputSources(){return[]}getInputPose(e,t,n){return null}onWindowResize(){}}(e)}(this.global,this.config);this.xr=new _e.XRSystem(e),Object.defineProperty(this.global.navigator,"xr",{value:this.xr,configurable:!0})}_injectCompatibilityShims(e){if(!tt.every((t=>!!e[t])))throw new Error(`Global must have the following attributes : ${tt}`);if(e.navigator.xr&&"supportsSession"in e.navigator.xr&&!("isSessionSupported"in e.navigator.xr)){let t=e.navigator.xr.supportsSession;e.navigator.xr.isSessionSupported=function(e){return t.call(this,e).then((()=>!0)).catch((()=>!1))},e.navigator.xr.supportsSession=function(e){return console.warn("navigator.xr.supportsSession() is deprecated. Please call navigator.xr.isSessionSupported() instead and check the boolean value returned when the promise resolves."),t.call(this,e)}}}}}()}},__webpack_module_cache__={};function __webpack_require__(e){var t=__webpack_module_cache__[e];if(void 0!==t)return t.exports;var n=__webpack_module_cache__[e]={exports:{}};return __webpack_modules__[e].call(n.exports,n,n.exports,__webpack_require__),n.exports}__webpack_require__.n=e=>{var t=e&&e.__esModule?()=>e.default:()=>e;return __webpack_require__.d(t,{a:t}),t},__webpack_require__.d=(e,t)=>{for(var n in t)__webpack_require__.o(t,n)&&!__webpack_require__.o(e,n)&&Object.defineProperty(e,n,{enumerable:!0,get:t[n]})},__webpack_require__.g=function(){if("object"==typeof globalThis)return globalThis;try{return this||new Function("return this")()}catch(e){if("object"==typeof window)return window}}(),__webpack_require__.o=(e,t)=>Object.prototype.hasOwnProperty.call(e,t),__webpack_require__.r=e=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(e,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(e,"__esModule",{value:!0})};var __webpack_exports__=__webpack_require__(266);return __webpack_exports__=__webpack_exports__.default,__webpack_exports__})()}));