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void 0===e&&(e=1),this._base*(t-e)*this.options.scale},e.attachEvent=function(t){this.observer=t,this.hammer.on("pinchstart",this.onPinchStart).on("pinchmove",this.onPinchMove).on("pinchend",this.onPinchEnd)},e.dettachEvent=function(){this.hammer.off("pinchstart",this.onPinchStart).off("pinchmove",this.onPinchMove).off("pinchend",this.onPinchEnd),this.observer=null,this._prev=null},e.enable=function(){return this.hammer&&(this.hammer.get("pinch").options.enable=!0),this},e.disable=function(){return this.hammer&&(this.hammer.get("pinch").options.enable=!1),this},e.isEnable=function(){return!(!this.hammer||!this.hammer.get("pinch").options.enable)},t}(),yn=function(){function t(t,e){this.axes=[],this.element=null,this._isEnabled=!1,this._isHolded=!1,this._timer=null,this.element=Qe(t),this.options=Ve({scale:1,useNormalized:!0},e),this.onWheel=this.onWheel.bind(this)}var e=t.prototype;return e.mapAxes=function(t){this.axes=t},e.connect=function(t){return 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i=Math.sin(n),r=Math.cos(n),o=e[4],s=e[5],a=e[6],h=e[7],u=e[8],c=e[9],l=e[10],n=e[11];return e!==t&&(t[0]=e[0],t[1]=e[1],t[2]=e[2],t[3]=e[3],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[4]=o*r+u*i,t[5]=s*r+c*i,t[6]=a*r+l*i,t[7]=h*r+n*i,t[8]=u*r-o*i,t[9]=c*r-s*i,t[10]=l*r-a*i,t[11]=n*r-h*i,t}function Sn(t,e,n){var i=Math.sin(n),r=Math.cos(n),o=e[0],s=e[1],a=e[2],h=e[3],u=e[8],c=e[9],l=e[10],n=e[11];return e!==t&&(t[4]=e[4],t[5]=e[5],t[6]=e[6],t[7]=e[7],t[12]=e[12],t[13]=e[13],t[14]=e[14],t[15]=e[15]),t[0]=o*r-u*i,t[1]=s*r-c*i,t[2]=a*r-l*i,t[3]=h*r-n*i,t[8]=o*i+u*r,t[9]=s*i+c*r,t[10]=a*i+l*r,t[11]=h*i+n*r,t}function On(t,e,n,i,r){e=1/Math.tan(e/2);return t[0]=e/n,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=e,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[11]=-1,t[12]=0,t[13]=0,t[15]=0,null!=r&&r!==1/0?(e=1/(i-r),t[10]=(r+i)*e,t[14]=2*r*i*e):(t[10]=-1,t[14]=-2*i),t}function Mn(){var t=new En(3);return En!=Float32Array&&(t[0]=0,t[1]=0,t[2]=0),t}function Dn(t){var e=t[0],n=t[1],t=t[2];return 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this.multiplyQuaternions(this,t)},multiplyQuaternions:function(t,e){var n=t.x,i=t.y,r=t.z,o=t.w,s=e.x,a=e.y,t=e.z,e=e.w;return this.x=n*e+o*s+i*t-r*a,this.y=i*e+o*a+r*s-n*t,this.z=r*e+o*t+n*a-i*s,this.w=o*e-n*s-i*a-r*t,this},inverse:function(){return this.x*=-1,this.y*=-1,this.z*=-1,this.normalize(),this},normalize:function(){var t=Math.sqrt(this.x*this.x+this.y*this.y+this.z*this.z+this.w*this.w);return 0===t?(this.x=0,this.y=0,this.z=0,this.w=1):(t=1/t,this.x=this.x*t,this.y=this.y*t,this.z=this.z*t,this.w=this.w*t),this},slerp:function(t,e){if(0===e)return this;if(1===e)return this.copy(t);var n=this.x,i=this.y,r=this.z,o=this.w,s=o*t.w+n*t.x+i*t.y+r*t.z;if(s<0?(this.w=-t.w,this.x=-t.x,this.y=-t.y,this.z=-t.z,s=-s):this.copy(t),1<=s)return this.w=o,this.x=n,this.y=i,this.z=r,this;var a=Math.acos(s),t=Math.sqrt(1-s*s);if(Math.abs(t)<.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;s=Math.sin((1-e)*a)/t,t=Math.sin(e*a)/t;return 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Math.min(Math.max(e,t),n)},Di.lerp=function(t,e,n){return t+(e-t)*n},Di.isIOS=(Ti=/iPad|iPhone|iPod/.test(null==z?void 0:z.platform),function(){return Ti}),Di.isWebViewAndroid=(Ri=-1!==Mi.indexOf("Version")&&-1!==Mi.indexOf("Android")&&-1!==Mi.indexOf("Chrome"),function(){return Ri}),Di.isSafari=(bi=/^((?!chrome|android).)*safari/i.test(Mi),function(){return bi}),Di.isFirefoxAndroid=(Ci=-1!==Mi.indexOf("Firefox")&&-1!==Mi.indexOf("Android"),function(){return Ci}),Di.isR7=(Pi=-1!==Mi.indexOf("R7 Build"),function(){return Pi}),Di.isLandscapeMode=function(){var t=90===U.orientation||-90===U.orientation;return Di.isR7()?!t:t},Di.isTimestampDeltaValid=function(t){return!isNaN(t)&&(!(t<=Di.MIN_TIMESTEP)&&!(t>Di.MAX_TIMESTEP))},Di.getScreenWidth=function(){return Math.max(U.screen.width,U.screen.height)*U.devicePixelRatio},Di.getScreenHeight=function(){return Math.min(U.screen.width,U.screen.height)*U.devicePixelRatio},Di.requestFullscreen=function(t){if(Di.isWebViewAndroid())return!1;if(t.requestFullscreen)t.requestFullscreen();else if(t.webkitRequestFullscreen)t.webkitRequestFullscreen();else if(t.mozRequestFullScreen)t.mozRequestFullScreen();else{if(!t.msRequestFullscreen)return!1;t.msRequestFullscreen()}return!0},Di.exitFullscreen=function(){if(k.exitFullscreen)k.exitFullscreen();else if(k.webkitExitFullscreen)k.webkitExitFullscreen();else if(k.mozCancelFullScreen)k.mozCancelFullScreen();else{if(!k.msExitFullscreen)return!1;k.msExitFullscreen()}return!0},Di.getFullscreenElement=function(){return k.fullscreenElement||k.webkitFullscreenElement||k.mozFullScreenElement||k.msFullscreenElement},Di.linkProgram=function(t,e,n,i){var r=t.createShader(t.VERTEX_SHADER);t.shaderSource(r,e),t.compileShader(r);e=t.createShader(t.FRAGMENT_SHADER);t.shaderSource(e,n),t.compileShader(e);var o,s=t.createProgram();for(o in t.attachShader(s,r),t.attachShader(s,e),i)t.bindAttribLocation(s,i[o],o);return t.linkProgram(s),t.deleteShader(r),t.deleteShader(e),s},Di.getProgramUniforms=function(t,e){for(var n={},i=t.getProgramParameter(e,t.ACTIVE_UNIFORMS),r="",o=0;o<i;o++)n[r=t.getActiveUniform(e,o).name.replace("[0]","")]=t.getUniformLocation(e,r);return n},Di.orthoMatrix=function(t,e,n,i,r,o,s){var a=1/(e-n),h=1/(i-r),u=1/(o-s);return t[0]=-2*a,t[1]=0,t[2]=0,t[3]=0,t[4]=0,t[5]=-2*h,t[6]=0,t[7]=0,t[8]=0,t[9]=0,t[10]=2*u,t[11]=0,t[12]=(e+n)*a,t[13]=(r+i)*h,t[14]=(s+o)*u,t[15]=1,t},Di.copyArray=function(t,e){for(var n=0,i=t.length;n<i;n++)e[n]=t[n]},Di.isMobile=function(){var t,e=!1;return t=Mi||(null==z?void 0:z.vendor)||U.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(t)||/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 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e,n;Di.isIOS()&&(e=t.style.width,n=t.style.height,t.style.width=parseInt(e)+1+"px",t.style.height=parseInt(n)+"px",setTimeout(function(){t.style.width=e,t.style.height=n},100)),U.Util=Di,U.canvas=t},Di.isDebug=function(){return Di.getQueryParameter("debug")},Di.getQueryParameter=function(t){t=t.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");t=new RegExp("[\\?&]"+t+"=([^&#]*)").exec(location.search);return null===t?"":decodeURIComponent(t[1].replace(/\+/g," "))},Di.frameDataFromPose=(Ii=Math.PI/180,Ai=.25*Math.PI,Si=new Float32Array([0,0,0,1]),Oi=new Float32Array([0,0,0]),function(t,e,n){return!(!t||!e)&&(t.pose=e,t.timestamp=e.timestamp,Fi(t.leftProjectionMatrix,t.leftViewMatrix,e,n.getEyeParameters("left"),n),Fi(t.rightProjectionMatrix,t.rightViewMatrix,e,n.getEyeParameters("right"),n),!0)}),Di.isInsideCrossDomainIFrame=function(){var t=U.self!==U.top,e=Di.getDomainFromUrl(k.referrer),n=Di.getDomainFromUrl(U.location.href);return t&&e!==n},Di.getDomainFromUrl=function(t){t=-1<t.indexOf("://")?t.split("/")[2]:t.split("/")[0];return t=t.split(":")[0]};var Vi=function(){function t(t){this.predictionTimeS=t,this.previousQ=new Ei.Quaternion,this.previousTimestampS=null,this.deltaQ=new Ei.Quaternion,this.outQ=new Ei.Quaternion}return t.prototype.getPrediction=function(t,e,n){if(!this.previousTimestampS)return this.previousQ.copy(t),this.previousTimestampS=n,t;var i=new Ei.Vector3;i.copy(e),i.normalize();e=e.length();if(e<20*Ei.degToRad)return Di.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(Ei.radToDeg*e).toFixed(1)),this.outQ.copy(t),this.previousQ.copy(t),this.outQ;this.previousTimestampS;e*=this.predictionTimeS;return this.deltaQ.setFromAxisAngle(i,e),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(t),this.previousTimestampS=n,this.outQ},t}(),Li=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=_i,t.isAndroid=yi,t.stillGyroVec=Mn(),t.rawGyroVec=Mn(),t.adjustedGyroVec=Mn(),t._timer=-1,t.lastDevicemotionTimestamp=0,t._isEnabled=!1,t.enable(),t}a(t,e);var n=t.prototype;return n.enable=function(){this.isAndroid&&U.addEventListener("deviceorientation",this._onDeviceOrientation),this.isWithoutDeviceMotion?U.addEventListener("deviceorientation",this._onChromeWithoutDeviceMotion):U.addEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!0},n.disable=function(){U.removeEventListener("deviceorientation",this._onDeviceOrientation),U.removeEventListener("deviceorientation",this._onChromeWithoutDeviceMotion),U.removeEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!1},n._onChromeWithoutDeviceMotion=function(t){var e=t.alpha,n=t.beta,t=t.gamma;null!==e&&(e=(e||0)*Math.PI/180,n=(n||0)*Math.PI/180,t=(t||0)*Math.PI/180,this.trigger(new p("devicemotion",{inputEvent:{deviceorientation:{alpha:e,beta:n,gamma:-t}}})))},n._onDeviceOrientation=function(){var n=this;this._timer&&clearTimeout(this._timer),this._timer=U.setTimeout(function(){var t,e;(new Date).getTime()-n.lastDevicemotionTimestamp<200&&(t=n.stillGyroVec,e=n.rawGyroVec,t[0]=e[0],t[1]=e[1],t[2]=e[2])},200)},n._onDeviceMotion=function(t){var e,n,i=!(null==t.rotationRate.alpha),r=!(null==t.accelerationIncludingGravity.x);0!==t.interval&&i&&r&&((e=u({},t)).interval=t.interval,e.timeStamp=t.timeStamp,e.type=t.type,e.rotationRate={alpha:t.rotationRate.alpha,beta:t.rotationRate.beta,gamma:t.rotationRate.gamma},e.accelerationIncludingGravity={x:t.accelerationIncludingGravity.x,y:t.accelerationIncludingGravity.y,z:t.accelerationIncludingGravity.z},e.acceleration={x:t.acceleration.x,y:t.acceleration.y,z:t.acceleration.z},this.isAndroid&&(n=this.rawGyroVec,i=t.rotationRate.alpha||0,r=t.rotationRate.beta||0,t=t.rotationRate.gamma||0,n[0]=i,n[1]=r,n[2]=t,Vn(this.adjustedGyroVec,this.rawGyroVec,this.stillGyroVec),this.lastDevicemotionTimestamp=(new Date).getTime(),e.adjustedRotationRate={alpha:this.adjustedGyroVec[0],beta:this.adjustedGyroVec[1],gamma:this.adjustedGyroVec[2]}),this.trigger(new p("devicemotion",{inputEvent:e})))},t}(e),Ni=function(){function t(t,e){this.set(t,e)}var e=t.prototype;return e.set=function(t,e){this.sample=t,this.timestampS=e},e.copy=function(t){this.set(t.sample,t.timestampS)},t}(),Ui=function(){function t(t){this.addGyroMeasurement=function(t,e){this.currentGyroMeasurement.set(t,e);e-=this.previousGyroMeasurement.timestampS;Di.isTimestampDeltaValid(e)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},this.kFilter=t,this.currentAccelMeasurement=new Ni,this.currentGyroMeasurement=new Ni,this.previousGyroMeasurement=new Ni,Di.isIOS()?this.filterQ=new Ei.Quaternion(-1,0,0,1):this.filterQ=new Ei.Quaternion(1,0,0,1),this.previousFilterQ=new Ei.Quaternion,this.previousFilterQ.copy(this.filterQ),this.accelQ=new Ei.Quaternion,this.isOrientationInitialized=!1,this.estimatedGravity=new Ei.Vector3,this.measuredGravity=new Ei.Vector3,this.gyroIntegralQ=new Ei.Quaternion}var e=t.prototype;return e.addAccelMeasurement=function(t,e){this.currentAccelMeasurement.set(t,e)},e.getOrientation=function(){return this.filterQ},e.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var t=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,e=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,t);this.gyroIntegralQ.multiply(e),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(e);t=new Ei.Quaternion;t.copy(this.filterQ),t.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(t),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();e=new Ei.Quaternion;e.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),e.inverse(),Di.isDebug()&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",Ei.radToDeg*Di.getQuaternionAngle(e),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));t=new Ei.Quaternion;t.copy(this.filterQ),t.multiply(e),this.filterQ.slerp(t,1-this.kFilter),this.previousFilterQ.copy(this.filterQ)},e.accelToQuaternion_=function(t){var e=new Ei.Vector3;e.copy(t),e.normalize();t=new Ei.Quaternion;return t.setFromUnitVectors(new Ei.Vector3(0,0,-1),e),t.inverse(),t},e.gyroToQuaternionDelta_=function(t,e){var n=new Ei.Quaternion,i=new Ei.Vector3;return i.copy(t),i.normalize(),n.setFromAxisAngle(i,t.length()*e),n},t}();Ui.prototype.run_=function(){if(!this.isOrientationInitialized)return this.accelQ=this.accelToQuaternion_(this.currentAccelMeasurement.sample),this.previousFilterQ.copy(this.accelQ),void(this.isOrientationInitialized=!0);var t=this.currentGyroMeasurement.timestampS-this.previousGyroMeasurement.timestampS,e=this.gyroToQuaternionDelta_(this.currentGyroMeasurement.sample,t);this.gyroIntegralQ.multiply(e),this.filterQ.copy(this.previousFilterQ),this.filterQ.multiply(e);t=new Ei.Quaternion;t.copy(this.filterQ),t.inverse(),this.estimatedGravity.set(0,0,-1),this.estimatedGravity.applyQuaternion(t),this.estimatedGravity.normalize(),this.measuredGravity.copy(this.currentAccelMeasurement.sample),this.measuredGravity.normalize();e=new Ei.Quaternion;e.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),e.inverse();t=new Ei.Quaternion;t.copy(this.filterQ),t.multiply(e),this.filterQ.slerp(t,1-this.kFilter),this.previousFilterQ.copy(this.filterQ),this.isFilterQuaternionInitialized||(this.isFilterQuaternionInitialized=!0)},Ui.prototype.getOrientation=function(){return this.isFilterQuaternionInitialized?this.filterQ:null};var ki=function(e){function t(){var t=e.call(this)||this;return t.deviceMotion=new Li,t.accelerometer=new Ei.Vector3,t.gyroscope=new Ei.Vector3,t._onDeviceMotionChange=t._onDeviceMotionChange.bind(t),t._onScreenOrientationChange=t._onScreenOrientationChange.bind(t),t.filter=new Ui(.98),t.posePredictor=new Vi(.04),t.filterToWorldQ=new Ei.Quaternion,t.isFirefoxAndroid=Di.isFirefoxAndroid(),t.isIOS=X||Y,t.isChromeUsingDegrees=66<=gi,t._isEnabled=!1,t.isIOS?t.filterToWorldQ.setFromAxisAngle(new Ei.Vector3(1,0,0),Math.PI/2):t.filterToWorldQ.setFromAxisAngle(new Ei.Vector3(1,0,0),-Math.PI/2),t.inverseWorldToScreenQ=new Ei.Quaternion,t.worldToScreenQ=new Ei.Quaternion,t.originalPoseAdjustQ=new Ei.Quaternion,t.originalPoseAdjustQ.setFromAxisAngle(new Ei.Vector3(0,0,1),-U.orientation*Math.PI/180),t._setScreenTransform(),Di.isLandscapeMode()&&t.filterToWorldQ.multiply(t.inverseWorldToScreenQ),t.resetQ=new Ei.Quaternion,t.deviceMotion.on("devicemotion",t._onDeviceMotionChange),t.enable(),t}a(t,e);var n=t.prototype;return n.enable=function(){this.isEnabled()||(this.deviceMotion.enable(),this._isEnabled=!0,U.addEventListener("orientationchange",this._onScreenOrientationChange))},n.disable=function(){this.isEnabled()&&(this.deviceMotion.disable(),this._isEnabled=!1,U.removeEventListener("orientationchange",this._onScreenOrientationChange))},n.isEnabled=function(){return this._isEnabled},n.destroy=function(){this.disable(),this.deviceMotion=null},n.getOrientation=function(){var t,e=this;if(this.deviceMotion.isWithoutDeviceMotion&&this._deviceOrientationQ){this.deviceOrientationFixQ=this.deviceOrientationFixQ||(new Ei.Quaternion).setFromAxisAngle(new Ei.Vector3(0,1,0),-e._alpha),t=this._deviceOrientationQ,(i=new Ei.Quaternion).copy(t),i.multiply(this.filterToWorldQ),i.multiply(this.resetQ),i.multiply(this.worldToScreenQ),i.multiplyQuaternions(this.deviceOrientationFixQ,i);var n=ei(i.x,i.y,i.z,i.w);return ii(n,n)}if(!(t=this.filter.getOrientation()))return null;var i=this._convertFusionToPredicted(t),n=ei(i.x,i.y,i.z,i.w);return ii(n,n)},n._triggerChange=function(){var t=this.getOrientation();t&&(this._prevOrientation?oi(this._prevOrientation,t)||this.trigger(new p("change",{quaternion:t})):this._prevOrientation=t)},n._convertFusionToPredicted=function(t){this.predictedQ=this.posePredictor.getPrediction(t,this.gyroscope,this.previousTimestampS);t=new Ei.Quaternion;return t.copy(this.filterToWorldQ),t.multiply(this.resetQ),t.multiply(this.predictedQ),t.multiply(this.worldToScreenQ),t},n._onDeviceMotionChange=function(t){var e=t.inputEvent,n=e.deviceorientation,i=e.accelerationIncludingGravity,t=e.adjustedRotationRate||e.rotationRate,e=e.timeStamp/1e3;n?(this._alpha||(this._alpha=n.alpha),this._deviceOrientationQ=this._deviceOrientationQ||new Ei.Quaternion,this._deviceOrientationQ.setFromEulerYXZ(n.beta,n.alpha,n.gamma),this._triggerChange()):(this.isFirefoxAndroid&&(e/=1e3),this.accelerometer.set(-i.x,-i.y,-i.z),this.gyroscope.set(t.alpha,t.beta,t.gamma),(this.isIOS||this.isFirefoxAndroid||this.isChromeUsingDegrees)&&this.gyroscope.multiplyScalar(Math.PI/180),this.filter.addAccelMeasurement(this.accelerometer,e),this.filter.addGyroMeasurement(this.gyroscope,e),this._triggerChange(),this.previousTimestampS=e)},n._onScreenOrientationChange=function(){this._setScreenTransform()},n._setScreenTransform=function(){this.worldToScreenQ.set(0,0,0,1);var t=U.orientation;switch(t){case 0:break;case 90:case-90:case 180:this.worldToScreenQ.setFromAxisAngle(new Ei.Vector3(0,0,1),t/-180*Math.PI)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},t}(e),zi=function(i){function t(t,e){void 0===e&&(e={});var n=i.call(this)||this;return n.element=t,n._prevQuaternion=null,n._quaternion=null,n.fusionPoseSensor=null,n.options=u({scale:1,threshold:0},e),n._onPoseChange=n._onPoseChange.bind(n),n}a(t,i);var e=t.prototype;return e.mapAxes=function(t){this.axes=t},e.connect=function(t){return this.observer||(this.observer=t,this.fusionPoseSensor=new ki,this.fusionPoseSensor.enable(),this._attachEvent()),this},e.disconnect=function(){return this.observer&&(this._dettachEvent(),this.fusionPoseSensor.disable(),this.fusionPoseSensor.destroy(),this.fusionPoseSensor=null,this.observer=null),this},e.destroy=function(){this.disconnect(),this.element=null,this.options=null,this.axes=null,this._prevQuaternion=null,this._quaternion=null},e._onPoseChange=function(t){if(!this._prevQuaternion)return this._prevQuaternion=ti(t.quaternion),void(this._quaternion=ti(t.quaternion));var i,e,n;ni(this._prevQuaternion,this._quaternion),ni(this._quaternion,t.quaternion),this.observer.change(this,t,(i=this.axes,[(e=this._prevQuaternion,n=this._quaternion,t=fi.getRotationDelta(e,n,di.YAW_DELTA_BY_YAW),fi.getRotationDelta(e,n,di.YAW_DELTA_BY_ROLL)*Math.sin(fi.extractPitchFromQuat(n))+t),(n=this._prevQuaternion,t=this._quaternion,fi.getRotationDelta(n,t,di.PITCH_DELTA))].reduce(function(t,e,n){return i[n]&&(t[i[n]]=e),t},{})))},e._attachEvent=function(){this.fusionPoseSensor.on("change",this._onPoseChange)},e._dettachEvent=function(){this.fusionPoseSensor.off("change",this._onPoseChange)},t}(e),Qi=null,Wi=0,Xi=function(){function t(){if(Wi++,Qi)return Qi;(Qi=this)._onDeviceOrientation=this._onDeviceOrientation.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._spinR=0,this._screenOrientationAngle=0,U.addEventListener("deviceorientation",this._onDeviceOrientation),U.addEventListener("orientationchange",this._onOrientationChange)}var e=t.prototype;return e.getRadian=function(){return this._spinR+Rn(this._screenOrientationAngle)},e.unref=function(){0<--Wi||(U.removeEventListener("deviceorientation",this._onDeviceOrientation),U.removeEventListener("orientationchange",this._onOrientationChange),this._spinR=0,this._screenOrientationAngle=0,Qi=null,Wi=0)},e._onDeviceOrientation=function(t){var e;null!==t.beta&&null!==t.gamma&&(e=Rn(t.beta),t=Rn(t.gamma),this._spinR=Math.atan2(Math.cos(e)*Math.sin(t),Math.sin(e)))},e._onOrientationChange=function(){U.screen&&U.screen.orientation&&void 0!==U.screen.orientation.angle?this._screenOrientationAngle=screen.orientation.angle:void 0!==U.orientation&&(this._screenOrientationAngle=0<=U.orientation?U.orientation:360+U.orientation)},t}(),Yi=function(r){function t(t,e){void 0===e&&(e={});t=r.call(this,t,e)||this;return t._useRotation=!1,t._screenRotationAngle=null,t.setUseRotation(!(!e||!e.useRotation)),t._userDirection=un.DIRECTION_ALL,t}a(t,r);var e=t.prototype;return e.setUseRotation=function(t){this._useRotation=t,this._screenRotationAngle&&(this._screenRotationAngle.unref(),this._screenRotationAngle=null),this._useRotation&&(this._screenRotationAngle=new Xi)},e.connect=function(t){return this._userDirection=this._direction,this._useRotation&&this._direction&un.DIRECTION_ALL&&(this._direction=un.DIRECTION_HORIZONTAL),r.prototype.connect.call(this,t)},e.destroy=function(){this._useRotation&&this._screenRotationAngle&&this._screenRotationAngle.unref(),r.prototype.destroy.call(this)},e.getOffset=function(t,e){if(!1===this._useRotation)return r.prototype.getOffset.call(this,t,e);var n=r.prototype.getOffset.call(this,t,[!0,!0]),i=[0,0],e=this._screenRotationAngle.getRadian(),t=Math.cos(e),e=Math.sin(e);return i[0]=n[0]*t-n[1]*e,i[1]=n[1]*t+n[0]*e,this._userDirection&un.DIRECTION_HORIZONTAL?this._userDirection&un.DIRECTION_VERTICAL||(i[1]=0):i[0]=0,i},t}(gn),ji=Fn(0,1,0),Bi=function(t){function e(){var e=t.call(this)||this;return e._fusionPoseSensor=new ki,e._quaternion=jn(),e._fusionPoseSensor.enable(),e._fusionPoseSensor.on("change",function(t){e._quaternion=t.quaternion,e.trigger(new p("change",{isTrusted:!0}))}),e}a(e,t);var n=e.prototype;return n.getCombinedQuaternion=function(t){var e,n,i,r,o,s,a=Bn(jn(),ji,-t*Tn),h=(s=jn(),o=this._quaternion,s[0]=-o[0],s[1]=-o[1],s[2]=-o[2],s[3]=o[3],s);return e=jn(),i=a,r=(n=h)[0],t=n[1],o=n[2],s=n[3],a=i[0],h=i[1],n=i[2],i=i[3],e[0]=r*i+s*a+t*n-o*h,e[1]=t*i+s*h+o*a-r*n,e[2]=o*i+s*n+r*h-t*a,e[3]=s*i-r*a-t*h-o*n,e},n.destroy=function(){this.off(),this._fusionPoseSensor&&(this._fusionPoseSensor.off(),this._fusionPoseSensor.destroy(),this._fusionPoseSensor=null)},e}(e),Hi=[-180,180],Gi=[-90,90],qi=[-180,180],Ki=function(n){function t(t){var e=n.call(this)||this;e.options={};t=u({element:null,yaw:0,pitch:0,fov:65,showPolePoint:!1,useZoom:!0,useKeyboard:!0,gyroMode:wi.YAWPITCH,touchDirection:6,yawRange:Hi,pitchRange:Gi,fovRange:[30,110],aspectRatio:1},t);return e._element=t.element,e._initialFov=t.fov,e._enabled=!1,e._isAnimating=!1,e._deviceQuaternion=null,e._initAxes(t),e.option(t),e}a(t,n);var e=t.prototype;return e.updatePanScale=function(t){void 0===t&&(t={});var e=this._axes.get().fov,t=t.height||parseInt(window.getComputedStyle(this._element).height,10),t=xi[0]*e/this._initialFov*320/t;return this._axesPanInput.options.scale=[t,t],this._axes.options.deceleration=.0014*e/110,this},e.option=function(t,e){if(!t)return this._getOptions();if(t&&"string"==typeof t&&void 0===e)return this._getOptions(t);var n={},i=[];return"string"==typeof t?(i.push(t),n[t]=e):(t=t,i=Object.keys(t),n=u({},t)),this._setOptions(this._getValidatedOptions(n)),this._applyOptions(i),this},e.enable=function(){return this._enabled||(this._enabled=!0,this._applyOptions(Object.keys(this.options)),this.updatePanScale()),this},e.disable=function(t){return void 0===t&&(t=!1),this._enabled&&(t||this._resetOrientation(),this._axes.disconnect(),this._enabled=!1),this},e.lookAt=function(t,e){var n=t.yaw,i=t.pitch,r=t.fov,t=this._axes.get(),n=void 0===n?0:n-t.yaw,i=void 0===i?0:i-t.pitch,t=void 0===r?0:r-t.fov;this._axes.options.maximumDuration=1/0,this._axes.setBy({yaw:n,pitch:i,fov:t},e)},e.getYawPitch=function(){var t=this._axes.get();return{yaw:t.yaw,pitch:t.pitch}},e.getFov=function(){return this._axes.get().fov},e.getQuaternion=function(){var t=this._axes.get();return this._deviceQuaternion.getCombinedQuaternion(t.yaw)},e.shouldRenderWithQuaternion=function(){return this.options.gyroMode===wi.VR},e.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()},e._initAxes=function(t){var e=this,n=this._updateYawRange(t.yawRange,t.fov,t.aspectRatio),i=this._updatePitchRange(t.pitchRange,t.fov,t.showPolePoint),r=t.gyroMode===wi.VR;this._axesPanInput=new Yi(this._element,{useRotation:r}),this._axesWheelInput=new yn(this._element,{scale:-4}),this._axesTiltMotionInput=null,this._axesPinchInput=B?new _n(this._element,{scale:-1}):null,this._axesMoveKeyInput=new xn(this._element,{scale:[-6,6]}),this._axes=new un({yaw:{range:n,circular:this._isCircular(n),bounce:[0,0]},pitch:{range:i,circular:this._isCircular(i),bounce:[0,0]},fov:{range:t.fovRange,circular:[!1,!1],bounce:[0,0]}},{deceleration:.0014,maximumDuration:1e3},{yaw:t.yaw,pitch:t.pitch,fov:t.fov}).on({hold:function(t){e._axes.options.maximumDuration=1e3,e.trigger(new p("hold",{isTrusted:t.isTrusted}))},change:function(t){0!==t.delta.fov&&(e._updateControlScale(t),e.updatePanScale()),e._triggerChange(t)},release:function(t){e._triggerChange(t)},animationEnd:function(t){e.trigger(new p("animationEnd",{isTrusted:t.isTrusted}))}})},e._getValidatedOptions=function(t){return t.yawRange&&(t.yawRange=this._getValidYawRange(t.yawRange,t.fov,t.aspectRatio)),t.pitchRange&&(t.pitchRange=this._getValidPitchRange(t.pitchRange,t.fov)),t},e._getOptions=function(t){var e;return"string"==typeof t?e=this.options[t]:0===arguments.length&&(e=this.options),e},e._setOptions=function(t){for(var e in t)this.options[e]=t[e]},e._applyOptions=function(t){var e,n,i,r=this.options,o=this._axes,s=r.gyroMode===wi.VR,a=r.gyroMode===wi.YAWPITCH,h=s?2&r.touchDirection:r.touchDirection;t.some(function(t){return"showPolePoint"===t||"fov"===t||"aspectRatio"===t||"yawRange"===t||"pitchRange"===t})&&(0<=t.indexOf("fov")&&(o.setTo({fov:r.fov}),this.updatePanScale()),this._updateControlScale()),t.some(function(t){return"fovRange"===t})&&(e=r.fovRange,n=o.get().fov,i=o.get().fov,ai(o.axis.fov.range,e),i<e[0]?i=e[0]:n>e[1]&&(i=e[1]),n!==i&&(o.setTo({fov:i},0),this._updateControlScale(),this.updatePanScale())),t.some(function(t){return"gyroMode"===t})&&H&&(this._axesTiltMotionInput&&(this._axes.disconnect(this._axesTiltMotionInput),this._axesTiltMotionInput.destroy(),this._axesTiltMotionInput=null),this._deviceQuaternion&&(this._deviceQuaternion.destroy(),this._deviceQuaternion=null),s?this._initDeviceQuaternion():a&&(this._axesTiltMotionInput=new zi(this._element),this._axes.connect(["yaw","pitch"],this._axesTiltMotionInput)),this._axesPanInput.setUseRotation(s)),t.some(function(t){return"useKeyboard"===t})&&(r.useKeyboard?o.connect(["yaw","pitch"],this._axesMoveKeyInput):o.disconnect(this._axesMoveKeyInput)),t.some(function(t){return"useZoom"===t})&&(s=r.useZoom,o.disconnect(this._axesWheelInput),s&&o.connect(["fov"],this._axesWheelInput)),this._togglePinchInputByOption(r.touchDirection,r.useZoom),t.some(function(t){return"touchDirection"===t})&&this._enabled&&this._enableTouch(h)},e._togglePinchInputByOption=function(t,e){this._axesPinchInput&&(this._axes.disconnect(this._axesPinchInput),e&&6===t&&-1===this._axes._inputs.indexOf(this._axesPinchInput)&&this._axes.connect(["fov"],this._axesPinchInput))},e._enableTouch=function(t){this._axesPanInput&&this._axes.disconnect(this._axesPanInput);var e=2&t?"yaw":null,t=4&t?"pitch":null;this._axes.connect([e,t],this._axesPanInput)},e._initDeviceQuaternion=function(){var e=this;this._deviceQuaternion=new Bi,this._deviceQuaternion.on("change",function(t){e._triggerChange(t)})},e._getValidYawRange=function(t,e,n){n=this._adjustAspectRatio(n||this.options.aspectRatio||1),n=(e||this._axes.get().fov)*n;return t[1]-t[0]>=n?t:this.options.yawRange||Hi},e._getValidPitchRange=function(t,e){e=e||this._axes.get().fov;return t[1]-t[0]>=e?t:this.options.pitchRange||Gi},e._isCircular=function(t){return t[1]-t[0]<360?[!1,!1]:[!0,!0]},e._updateControlScale=function(t){var e=this.options,n=this._axes.get().fov,i=this._updatePitchRange(e.pitchRange,n,e.showPolePoint),r=this._updateYawRange(e.yawRange,n,e.aspectRatio),n=this._axes.get(),e=n.yaw,n=n.pitch;return ai(this._axes.axis.yaw.range,r),ai(this._axes.axis.pitch.range,i),this._axes.axis.yaw.circular=this._isCircular(r),this._axes.axis.pitch.circular=this._isCircular(i),e<r[0]?e=r[0]:e>r[1]&&(e=r[1]),n<i[0]?n=i[0]:n>i[1]&&(n=i[1]),t&&t.set({yaw:e,pitch:n}),this._axes.setTo({yaw:e,pitch:n},0),this},e._updatePitchRange=function(t,e,n){if(this.options.gyroMode===wi.VR)return qi;var i=t[1]-t[0],e=e/2;return!n||i<180?[t[0]+e,t[1]-e]:t.concat()},e._updateYawRange=function(t,e,n){if(this.options.gyroMode===wi.VR)return Hi;if(360<=t[1]-t[0])return t.concat();e=fi.toDegree(Math.atan2(n,1/Math.tan(e/2*Tn)));return[t[0]+e,t[1]-e]},e._triggerChange=function(t){var e=this._axes.get(),n=this.options,t={targetElement:n.element,isTrusted:t.isTrusted,yaw:e.yaw,pitch:e.pitch,fov:e.fov,quaternion:null};n.gyroMode===wi.VR&&this._deviceQuaternion&&(t.quaternion=this._deviceQuaternion.getCombinedQuaternion(e.yaw)),this.trigger(new p("change",t))},e._adjustAspectRatio=function(t){for(var e=[.52,.54,.563,.57,.584,.59,.609,.67,.702,.72,.76,.78,.82,.92,.97,1,1.07,1.14,1.19,1.25,1.32,1.38,1.4,1.43,1.53,1.62,1.76,1.77,1.86,1.96,2.26,2.3,2.6,3,5,6],n=[.51,.54,.606,.56,.628,.63,.647,.71,.736,.757,.78,.77,.8,.89,.975,1,1.07,1.1,1.15,1.18,1.22,1.27,1.3,1.33,1.39,1.45,1.54,1.55,1.58,1.62,1.72,1.82,1.92,2,2.24,2.3],i=-1,r=0;r<e.length-1;r++)if(e[r]<=t&&t<=e[r+1]){i=r;break}if(-1===i)return t<e[0]?n[0]:n[n[0].length-1];var o=e[i],s=e[i+1],a=n[i],n=n[i+1];return this._lerp(a,n,(t-o)/(s-o))},e._lerp=function(t,e,n){return t+n*(e-t)},e._resetOrientation=function(){var t=this.options;return this._axes.setTo({yaw:t.yaw,pitch:t.pitch,fov:t.fov},0),this},t.VERSION=i,t.CONTROL_MODE_VR=1,t.CONTROL_MODE_YAWPITCH=2,t.TOUCH_DIRECTION_ALL=6,t.TOUCH_DIRECTION_YAW=2,t.TOUCH_DIRECTION_PITCH=4,t.TOUCH_DIRECTION_NONE=1,t}(e);function Zi(t){return void 0===t}var st=function(){function t(){this.options={},this._eventHandler={}}var e=t.prototype;return e.trigger=function(t){for(var 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0===r?6:r,r=t<1?(n=!0,1/t):(n=!1,t);r=6<=r?(t=360/r,i=2*Math.PI,Math.tan(t/2*Tn)):(i=r,.5),Zr.length=0,Jr.length=0,$r.length=0;for(var o=[-r,r],s=Math.PI/2+(2*Math.PI-i)/2,a=0,h=o.length;a<h;a++)for(e=0;e<=60;e++){var u=s+e/60*i,c=Math.cos(u),l=o[a],f=Math.sin(u),d=void 0,u=void 0,u=n?(d=1-a,e/60):(d=e/60,a);Zr.push(d,u),Jr.push(c,l,f),0===a&&e<60&&(f=e+60+1,$r.push(e,f,e+1,f,f+1,e+1))}},e._VERTEX_POSITION_DATA=Jr,e._TEXTURE_COORD_DATA=Zr,e._INDEX_DATA=$r,e}(Dr),eo="vrdisplaypresentchange",no=[0,0,.5,1],io=[.5,0,.5,1],ro="left",oo="right",so=function(){function t(){var e=this;this.destroy=function(){var t=e._vrDisplay;e.removeEndCallback(e.destroy),t&&t.isPresenting&&t.exitPresent(),e._clear()},this._frameData=new window.VRFrameData,this._clear()}var e=t.prototype;return Object.defineProperty(e,"context",{get:function(){return this._vrDisplay},enumerable:!1,configurable:!0}),e.canRender=function(){return Boolean(this._vrDisplay)},e.beforeRender=function(t){t.bindFramebuffer(t.FRAMEBUFFER,null)},e.afterRender=function(){this._vrDisplay.submitFrame()},e.getEyeParams=function(t){var e=this._vrDisplay,n=.5*t.drawingBufferWidth,i=t.drawingBufferHeight,r=this._frameData;e.getFrameData(r);t=r.leftViewMatrix,e=r.rightViewMatrix;return Sn(t,t,this._yawOffset),Sn(e,e,this._yawOffset),[{viewport:[0,0,n,i],mvMatrix:t,pMatrix:r.leftProjectionMatrix},{viewport:[n,0,n,i],mvMatrix:e,pMatrix:r.rightProjectionMatrix}]},e.isPresenting=function(){return Boolean(this._vrDisplay&&this._vrDisplay.isPresenting)},e.addEndCallback=function(t){window.addEventListener(eo,t)},e.removeEndCallback=function(t){window.removeEventListener(eo,t)},e.requestPresent=function(i){var r=this;return navigator.getVRDisplays().then(function(t){var n=t.length&&t[0];return n?n.capabilities.canPresent?n.requestPresent([{source:i}]).then(function(){var t=n.getEyeParameters(ro),e=n.getEyeParameters(oo);i.width=2*Math.max(t.renderWidth,e.renderWidth),i.height=Math.max(t.renderHeight,e.renderHeight),r._setDisplay(n)}):_.reject(new Error("Display lacking capability to present.")):_.reject(new Error("No displays available."))})},e.setYawOffset=function(t){this._yawOffset=t},e._setDisplay=function(t){t=(this._vrDisplay=t).getLayers();t.length&&(t=t[0],this._leftBounds=t.leftBounds,this._rightBounds=t.rightBounds),this.addEndCallback(this.destroy)},e._clear=function(){this._vrDisplay=null,this._leftBounds=no,this._rightBounds=io,this._yawOffset=0},t}(),ao=function(){function t(t){var e=this;void 0===t&&(t={}),this.destroy=function(){var t=e._xrSession;e.removeEndCallback(e.destroy),t&&t.end().then(function(){},function(){}),e._clear()},this._clear(),this._options=t}var e=t.prototype;return Object.defineProperty(e,"context",{get:function(){return this._xrSession},enumerable:!1,configurable:!0}),e.canRender=function(t){t=t.getViewerPose(this._xrRefSpace);return Boolean(t)},e.beforeRender=function(t,e){e=e.session.renderState.baseLayer;t.bindFramebuffer(t.FRAMEBUFFER,e.framebuffer)},e.afterRender=function(){},e.getEyeParams=function(t,e){var i=this,n=e.session,e=e.getViewerPose(this._xrRefSpace);if(!e)return null;var r=n.renderState.baseLayer;return e.views.map(function(t){var e=r.getViewport(t),n=t.transform.inverse.matrix;return Y&&An(n,n,180*Tn),Sn(n,n,i._yawOffset),{viewport:[e.x,e.y,e.width,e.height],mvMatrix:n,pMatrix:t.projectionMatrix}})},e.isPresenting=function(){return this._presenting},e.addEndCallback=function(t){var e;null!==(e=this._xrSession)&&void 0!==e&&e.addEventListener("end",t)},e.removeEndCallback=function(t){var e;null!==(e=this._xrSession)&&void 0!==e&&e.removeEventListener("end",t)},e.requestPresent=function(t,r){return n(this,void 0,void 0,function(){var e,n,i=this;return 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0:t.call.apply(t,d([this[o]],e))}),Object.defineProperty(r,t,e))})})}var fo={BIND_TEXTURE:"bindTexture",IMAGE_LOADED:"imageLoaded",ERROR:"error",RENDERING_CONTEXT_LOST:"renderingContextLost",RENDERING_CONTEXT_RESTORE:"renderingContextRestore"},po={INVALID_DEVICE:10,NO_WEBGL:11,FAIL_IMAGE_LOAD:12,RENDERER_ERROR:13},mo=function(h){function t(t,e,n,i,r,o,s,a){var l=h.call(this)||this;return l.textureCoordBuffer=null,l.vertexBuffer=null,l.indexBuffer=null,l.exitVR=function(){var t=l._vr,e=l.context,n=l._animator;t&&(t.removeEndCallback(l.exitVR),t.destroy(),l._vr=null,X&&l._restoreStyle(),l.updateViewportDimensions(l.width,l.height),l._updateViewport(),e.bindFramebuffer(e.FRAMEBUFFER,null),l._bindBuffers(),l._shouldForceDraw=!0,n.stop(),n.setContext(window),n.setCallback(l._render.bind(l)),n.start())},l._renderStereo=function(t,e){var n,i,r=l._vr,o=l.context,s=r.getEyeParams(o,e);if(s){r.beforeRender(o,e);try{for(var a=f([0,1]),h=a.next();!h.done;h=a.next()){var u=h.value,c=s[u];l.mvMatrix=c.mvMatrix,l.pMatrix=c.pMatrix,o.viewport.apply(o,d(c.viewport)),o.uniform1f(l.shaderProgram.uEye,u),l._bindBuffers(),l._draw()}}catch(t){n={error:t}}finally{try{h&&!h.done&&(i=a.return)&&i.call(a)}finally{if(n)throw n.error}}r.afterRender()}},l._onFirstVRFrame=function(t,e){var n,i=l._vr,r=l.context,o=l._animator;i.canRender(e)&&(n=Fn(0,0,-1),r=i.getEyeParams(r,e)[0],e=Cn(bn(),r.mvMatrix),r=Cn(bn(),r.pMatrix),e=Pn(bn(),e),r=Pn(bn(),r),r=kn(Mn(),n,r),kn(r,r,e),0!==(r=fi.yawOffsetBetween(r,Fn(0,0,1)))&&(i.setYawOffset(r),o.setCallback(l._renderStereo)))},l.sphericalConfig=s,l.fieldOfView=s.fieldOfView,l.width=e,l.height=n,l._lastQuaternion=null,l._lastYaw=null,l._lastPitch=null,l._lastFieldOfView=null,l.pMatrix=In(),l.mvMatrix=In(),On(l.pMatrix,Rn(l.fieldOfView),e/n,.1,100),l.textureCoordBuffer=null,l.vertexBuffer=null,l.indexBuffer=null,l.canvas=l._initCanvas(r,o,e,n),l._setDefaultCanvasStyle(),l._wrapper=null,l._wrapperOrigStyle=null,l._renderingContextAttributes=a,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 ho,l._vr=null,t&&l.setImage({image:t,imageType:s.imageType,isVideo:i,cubemapConfig:s.cubemapConfig}),l}a(t,h);var e=t.prototype;return e.setYawPitchControl=function(t){this._yawPitchControl=t},e.getContent=function(){return this._image},e.setImage=function(t){var e=t.image,n=t.imageType,i=t.isVideo,i=void 0!==i&&i,t=t.cubemapConfig;this._imageIsReady=!1,this._isVideo=i,this._imageConfig=u({order:n===uo.CUBEMAP?"RLUDBF":"RLUDFB",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},t),this._setImageType(n),this._contentLoader&&this._contentLoader.destroy(),this._contentLoader=(new xr).on("ready",this._onContentLoad).on("error",this._onContentError),i?(this._image=function(t){if(t instanceof HTMLVideoElement)return t;var e=document.createElement("video");return e.setAttribute("crossorigin","anonymous"),e.setAttribute("webkit-playsinline",""),e.setAttribute("playsinline",""),t instanceof Array?t.forEach(function(t){return Pr(e,t)}):Pr(e,t),0<e.querySelectorAll("source").length&&e.readyState<1&&e.load(),e}(e),this._contentLoader.check([this._image]),this._keepUpdate=!0):(this._image=function(t){t=(t instanceof Array?t:[t]).map(function(t){var e=t;return"string"==typeof t&&((e=new Image).crossOrigin="anonymous",e.src=t),e});return 1===t.length?t[0]:t}(e),this._contentLoader.check(Array.isArray(this._image)?this._image:[this._image]),this._keepUpdate=!1)},e.isImageLoaded=function(){return!!this._image&&this._imageIsReady&&(!this._isVideo||2<=this._image.readyState)},e.bindTexture=function(){var i=this;return new _(function(e,n){var t=i._contentLoader;return i._image?t?void(t.isReady()?(i._bindTexture(),e()):(t.check(Array.isArray(i._image)?i._image:[i._image]),t.once("ready",function(t){0<t.errorCount?n("Failed to load images."):(i._bindTexture(),e())}))):n("ImageLoader is not initialized"):n("Image is not defined")})},e.attachTo=function(t){this._hasExternalCanvas||(this.detach(),t.appendChild(this.canvas)),this._wrapper=t},e.forceContextLoss=function(){var t;!this.hasRenderingContext()||(t=this.context.getExtension("WEBGL_lose_context"))&&t.loseContext()},e.detach=function(){!this._hasExternalCanvas&&this.canvas.parentElement&&this.canvas.parentElement.removeChild(this.canvas)},e.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)},e.hasRenderingContext=function(){var t=this.context;return!(!t||t.isContextLost()||!t.getProgramParameter(this.shaderProgram,t.LINK_STATUS))},e.updateFieldOfView=function(t){this.fieldOfView=t,this._updateViewport()},e.updateViewportDimensions=function(t,e){var n=!1;this.width=t,this.height=e;t*=co,e*=co;t!==this.canvas.width&&(this.canvas.width=t,n=!0),e!==this.canvas.height&&(this.canvas.height=e,n=!0),n&&(this._updateViewport(),this._shouldForceDraw=!0)},e.keepUpdate=function(t){t&&!1===this.isImageLoaded()&&(this._shouldForceDraw=!0),this._keepUpdate=t},e.startRender=function(){this._animator.setCallback(this._render.bind(this)),this._animator.start()},e.stopRender=function(){this._animator.stop()},e.renderWithQuaternion=function(t,e){var n,i,r,o,s,a,h,u,c,l;this.isImageLoaded()&&(!1===this._keepUpdate&&this._lastQuaternion&&ri(this._lastQuaternion,t)&&this.fieldOfView&&this.fieldOfView===e&&!1===this._shouldForceDraw||(void 0!==e&&e!==this.fieldOfView&&this.updateFieldOfView(e),this.mvMatrix=(n=In(),r=(i=t)[0],o=i[1],s=i[2],a=i[3],h=r*(c=r+r),u=o*c,i=o*(l=o+o),r=s*c,o=s*l,s*=e=s+s,c*=a,l*=a,e*=a,n[0]=1-i-s,n[1]=u+e,n[2]=r-l,n[3]=0,n[4]=u-e,n[5]=1-h-s,n[6]=o+c,n[7]=0,n[8]=r+l,n[9]=o-c,n[10]=1-h-i,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,n),this._draw(),this._lastQuaternion=ti(t),this._shouldForceDraw&&(this._shouldForceDraw=!1)))},e.renderWithYawPitch=function(t,e,n){this.isImageLoaded()&&(!1===this._keepUpdate&&null!==this._lastYaw&&this._lastYaw===t&&null!==this._lastPitch&&this._lastPitch===e&&this.fieldOfView&&this.fieldOfView===n&&!1===this._shouldForceDraw||(void 0!==n&&n!==this.fieldOfView&&this.updateFieldOfView(n),(n=this.mvMatrix)[0]=1,n[1]=0,n[2]=0,n[3]=0,n[4]=0,n[5]=1,n[6]=0,n[7]=0,n[8]=0,n[9]=0,n[10]=1,n[11]=0,n[12]=0,n[13]=0,n[14]=0,n[15]=1,An(this.mvMatrix,this.mvMatrix,-e*Tn),Sn(this.mvMatrix,this.mvMatrix,-t*Tn),this._draw(),this._lastYaw=t,this._lastPitch=e,this._shouldForceDraw&&(this._shouldForceDraw=!1)))},e.getProjectionRenderer=function(){return this._renderer},e.enterVR=function(t){var e=this._vr;return J||navigator.getVRDisplays?e&&e.isPresenting()?_.resolve("VR already enabled."):this._requestPresent(t):_.reject("VR is not available on this browser.")},e._setImageType=function(t){var e=this;if(t&&this._imageType!==t){switch(this._imageType=t,this._isCubeMap=t===uo.CUBEMAP,this._renderer&&this._renderer.off(),t){case uo.CUBEMAP:this._renderer=new Fr;break;case uo.CUBESTRIP:this._renderer=new Vr;break;case uo.PANORAMA:this._renderer=new to;break;case uo.STEREOSCOPIC_EQUI:this._renderer=new Kr(this.sphericalConfig.stereoFormat);break;default:this._renderer=new Kr(Rr.NONE)}this._renderer.on(Dr.EVENTS.ERROR,function(t){e.trigger(new p(fo.ERROR,{type:po.RENDERER_ERROR,message:t.message}))}),this._initWebGL()}},e._initCanvas=function(t,e,n,i){t=t.querySelector("."+e),e=t||this._createCanvas(e);return this._hasExternalCanvas=!!t,e.width=n,e.height=i,this._onWebglcontextlost=this._onWebglcontextlost.bind(this),this._onWebglcontextrestored=this._onWebglcontextrestored.bind(this),e.addEventListener("webglcontextlost",this._onWebglcontextlost),e.addEventListener("webglcontextrestored",this._onWebglcontextrestored),e},e._createCanvas=function(t){var e=document.createElement("canvas");return e.className=t,e},e._setDefaultCanvasStyle=function(){var t=this.canvas;t.style.bottom="0",t.style.left="0",t.style.right="0",t.style.top="0",t.style.margin="auto",t.style.maxHeight="100%",t.style.maxWidth="100%",t.style.outline="none",t.style.position="absolute"},e._onContentError=function(){return this._imageIsReady=!1,this._image=null,this.trigger(new p(fo.ERROR,{type:po.FAIL_IMAGE_LOAD,message:"failed to load image"})),!1},e._triggerContentLoad=function(){this.trigger(new p(fo.IMAGE_LOADED,{content:this._image,isVideo:this._isVideo,projectionType:this._imageType}))},e._onContentLoad=function(t){0<t.errorCount||(this._imageIsReady=!0,this._triggerContentLoad())},e._initShaderProgram=function(){var t=this.context;this.shaderProgram&&(t.deleteProgram(this.shaderProgram),this.shaderProgram=null);var e=this._renderer,n=e.getVertexShaderSource(),e=e.getFragmentShaderSource(),n=Sr.createShader(t,t.VERTEX_SHADER,n),e=Sr.createShader(t,t.FRAGMENT_SHADER,e),e=Sr.createProgram(t,n,e);if(!e)throw new Error("Failed to initialize shaders: "+Sr.getErrorNameFromWebGLErrorCode(t.getError()));t.useProgram(e),e.vertexPositionAttribute=t.getAttribLocation(e,"aVertexPosition"),e.pMatrixUniform=t.getUniformLocation(e,"uPMatrix"),e.mvMatrixUniform=t.getUniformLocation(e,"uMVMatrix"),e.samplerUniform=t.getUniformLocation(e,"uSampler"),e.textureCoordAttribute=t.getAttribLocation(e,"aTextureCoord"),e.uEye=t.getUniformLocation(e,"uEye"),t.enableVertexAttribArray(e.vertexPositionAttribute),t.enableVertexAttribArray(e.textureCoordAttribute),t.clear(t.COLOR_BUFFER_BIT|t.DEPTH_BUFFER_BIT|t.STENCIL_BUFFER_BIT),t.uniform1i(e.samplerUniform,0),this.shaderProgram=e},e._onWebglcontextlost=function(t){t.preventDefault(),this.trigger(new p(fo.RENDERING_CONTEXT_LOST))},e._onWebglcontextrestored=function(){this._initWebGL(),this.trigger(new p(fo.RENDERING_CONTEXT_RESTORE))},e._updateViewport=function(){On(this.pMatrix,Rn(this.fieldOfView),this.canvas.width/this.canvas.height,.1,100),this.context.viewport(0,0,this.context.drawingBufferWidth,this.context.drawingBufferHeight)},e._initWebGL=function(){var t;try{this._initRenderingContext(),t=this.context,this.updateViewportDimensions(this.width,this.height),this._initShaderProgram()}catch(t){return this.trigger(new p(fo.ERROR,{type:po.NO_WEBGL,message:"no webgl support"})),this.destroy(),void console.error(t)}t.clearColor(0,0,0,0);var e=this._isCubeMap?t.TEXTURE_CUBE_MAP:t.TEXTURE_2D;this.texture&&t.deleteTexture(this.texture),this.texture=Sr.createTexture(t,e),this._imageType===uo.CUBESTRIP&&t.enable(t.CULL_FACE)},e._initRenderingContext=function(){if(!this.hasRenderingContext()){if(!window.WebGLRenderingContext)throw new Error("WebGLRenderingContext not available.");if(this.context=Sr.getWebglContext(this.canvas,this._renderingContextAttributes),!this.context)throw new Error("Failed to acquire 3D rendering context")}},e._initBuffers=function(){var t=this._image,e=this._renderer.getVertexPositionData(),n=this._renderer.getIndexData(),i=this._renderer.getTextureCoordData({image:t,imageConfig:this._imageConfig}),t=this.context;this.vertexBuffer=Sr.initBuffer(t,t.ARRAY_BUFFER,new Float32Array(e),3,this.shaderProgram.vertexPositionAttribute),this.indexBuffer=Sr.initBuffer(t,t.ELEMENT_ARRAY_BUFFER,new Uint16Array(n),1),this.textureCoordBuffer=Sr.initBuffer(t,t.ARRAY_BUFFER,new Float32Array(i),this._isCubeMap?3:2,this.shaderProgram.textureCoordAttribute),this._bindBuffers()},e._bindTexture=function(){var t,e,n;this._imageType===uo.CUBESTRIP?(e=(t=this._renderer.getDimension(this._image)).width,n=t.height,t=e&&n&&e/n!=1.5?1:0,this.context.uniform1f(this.context.getUniformLocation(this.shaderProgram,"uIsEAC"),t)):this._imageType===uo.PANORAMA&&(e=(t=this._renderer.getDimension(this._image)).width,n=t.height,n=e&&n&&e/n,this._renderer.updateShaderData({imageAspectRatio:n})),this._initBuffers(),this._renderer.bindTexture(this.context,this.texture,this._image,this._imageConfig),this._shouldForceDraw=!0,this.trigger(new p(fo.BIND_TEXTURE))},e._updateTexture=function(){this._renderer.updateTexture(this.context,this._image,this._imageConfig)},e._render=function(){var t,e=this._yawPitchControl,n=e.getFov();e.shouldRenderWithQuaternion()?(t=e.getQuaternion(),this.renderWithQuaternion(t,n)):(e=e.getYawPitch(),this.renderWithYawPitch(e.yaw,e.pitch,n))},e._bindBuffers=function(){var t=this.context,e=this.shaderProgram,n=this.vertexBuffer,i=this.textureCoordBuffer;t.bindBuffer(t.ARRAY_BUFFER,n),t.enableVertexAttribArray(e.vertexPositionAttribute),t.vertexAttribPointer(e.vertexPositionAttribute,n.itemSize,t.FLOAT,!1,0,0),t.bindBuffer(t.ELEMENT_ARRAY_BUFFER,this.indexBuffer),t.bindBuffer(t.ARRAY_BUFFER,i),t.enableVertexAttribArray(e.textureCoordAttribute),t.vertexAttribPointer(e.textureCoordAttribute,i.itemSize,t.FLOAT,!1,0,0)},e._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})},e._requestPresent=function(t){var n=this,i=this.context,r=this.canvas,o=this._animator;this._vr=J?new ao(t):new so;var s=this._vr;return o.stop(),new _(function(t,e){s.requestPresent(r,i).then(function(){s.addEndCallback(n.exitVR),o.setContext(s.context),o.setCallback(n._onFirstVRFrame),X&&n._setWrapperFullscreen(),n._shouldForceDraw=!0,o.start(),t("success")}).catch(function(t){s.destroy(),n._vr=null,o.start(),e(t)})})},e._setWrapperFullscreen=function(){var t=this._wrapper;t&&(this._wrapperOrigStyle=t.getAttribute("style"),(t=t.style).width="100vw",t.height="100vh",t.position="fixed",t.left="0",t.top="0",t.zIndex="9999")},e._restoreStyle=function(){var t=this._wrapper,e=this.canvas;t&&(this._wrapperOrigStyle?t.setAttribute("style",this._wrapperOrigStyle):t.removeAttribute("style"),this._wrapperOrigStyle=null,e.removeAttribute("style"),this._setDefaultCanvasStyle())},t.EVENTS=fo,t.ERROR_TYPE=po,t}(e),vo=function(o){function s(t,e){void 0===e&&(e={});var n=o.call(this)||this;if(!Sr.isWebGLAvailable())return setTimeout(function(){n.trigger(new p(Er.ERROR,{type:wr.NO_WEBGL,message:"no webgl support"}))},0),n;if(!Sr.isStableWebGL())return setTimeout(function(){n.trigger(new p(Er.ERROR,{type:wr.INVALID_DEVICE,message:"blacklisted browser"}))},0),n;if(e.image&&e.video)return setTimeout(function(){n.trigger(new p(Er.ERROR,{type:wr.INVALID_RESOURCE,message:"Specifying multi resouces(both image and video) is not valid."}))},0),n;$(),n._container=t,n._image=e.image||e.video,n._isVideo=!!e.video,n._projectionType=e.projectionType||Tr.EQUIRECTANGULAR,n._cubemapConfig=u({order:n._projectionType===Tr.CUBEMAP?"RLUDBF":"RLUDFB",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},e.cubemapConfig),n._stereoFormat=e.stereoFormat||Rr.TOP_BOTTOM,n._width=e.width||parseInt(window.getComputedStyle(t).width,10),n._height=e.height||parseInt(window.getComputedStyle(t).height,10),n._yaw=e.yaw||0,n._pitch=e.pitch||0,n._fov=e.fov||65,n._gyroMode=e.gyroMode||wi.YAWPITCH,n._quaternion=null,n._aspectRatio=0!==n._height?n._width/n._height:1,n._canvasClass=e.canvasClass||br;var i=e.fovRange||[30,110],r=s._isValidTouchDirection(e.touchDirection)?e.touchDirection:Ki.TOUCH_DIRECTION_ALL,r=u(u({},e),{element:t,yaw:n._yaw,pitch:n._pitch,fov:n._fov,gyroMode:n._gyroMode,fovRange:i,aspectRatio:n._aspectRatio,touchDirection:r});return n._isReady=!1,n._initYawPitchControl(r),n._initRenderer(n._yaw,n._pitch,n._fov,n._projectionType,n._cubemapConfig),n}a(s,o);var t=s.prototype;return s.isSupported=function(){return Sr.isWebGLAvailable()&&Sr.isStableWebGL()},s.isWebGLAvailable=function(){return Sr.isWebGLAvailable()},s.isGyroSensorAvailable=function(t){var n;G||!t?_.race([new _(function(e){n=function(t){t=!(null==t.rotationRate.alpha);e(t)},window.addEventListener("devicemotion",n)}),new _(function(t){setTimeout(function(){return t(!1)},1e3)})]).then(function(e){window.removeEventListener("devicemotion",n),t&&t(e),s.isGyroSensorAvailable=function(t){return t&&t(e),e}}):t(!1)},s._isValidTouchDirection=function(t){return t===s.TOUCH_DIRECTION.NONE||t===s.TOUCH_DIRECTION.YAW||t===s.TOUCH_DIRECTION.PITCH||t===s.TOUCH_DIRECTION.ALL},t.getVideo=function(){return this._isVideo?this._photoSphereRenderer.getContent():null},t.setVideo=function(t,e){return void 0===e&&(e={}),t&&this.setImage(t,{projectionType:e.projectionType,isVideo:!0,cubemapConfig:e.cubemapConfig,stereoFormat:e.stereoFormat}),this},t.getImage=function(){return this._isVideo?null:this._photoSphereRenderer.getContent()},t.setImage=function(t,e){void 0===e&&(e={});var n=u({order:"RLUDBF",tileConfig:{flipHorizontal:!1,rotation:0},trim:0},e.cubemapConfig),i=e.stereoFormat||Rr.TOP_BOTTOM,r=!!e.isVideo;return this._image&&this._isVideo!==r?console.warn("PanoViewer is not currently supporting content type changes. (Image <--\x3e Video)"):t&&(this._deactivate(),this._image=t,this._isVideo=r,this._projectionType=e.projectionType||Tr.EQUIRECTANGULAR,this._cubemapConfig=n,this._stereoFormat=i,this._initRenderer(this._yaw,this._pitch,this._fov,this._projectionType,this._cubemapConfig)),this},t.keepUpdate=function(t){return this._photoSphereRenderer.keepUpdate(t),this},t.getProjectionType=function(){return this._projectionType},t.enableSensor=function(){return new _(function(e,n){G&&"function"==typeof G.requestPermission?G.requestPermission().then(function(t){"granted"===t?e():n(new Error("permission denied"))}).catch(function(t){n(t)}):e()})},t.disableSensor=function(){return this},t.enterVR=function(t){var i=this;return void 0===t&&(t={}),this._isReady?new _(function(e,n){i.enableSensor().then(function(){return i._photoSphereRenderer.enterVR(t)}).then(function(t){return e(t)}).catch(function(t){return n(t)})}):_.reject(new Error("PanoViewer is not ready to show image."))},t.exitVR=function(){return this._photoSphereRenderer.exitVR(),this},t.setUseZoom=function(t){return"boolean"==typeof t&&this._yawPitchControl.option("useZoom",t),this},t.setUseKeyboard=function(t){return this._yawPitchControl.option("useKeyboard",t),this},t.setGyroMode=function(t){return this._yawPitchControl.option("gyroMode",t),this},t.setFovRange=function(t){return this._yawPitchControl.option("fovRange",t),this},t.getFovRange=function(){return this._yawPitchControl.option("fovRange")},t.updateViewportDimensions=function(t){if(void 0===t&&(t={}),!this._isReady)return this;void 0!==t.width&&void 0!==t.height||(n=window.getComputedStyle(this._container));var e=t.width||parseInt(n.width,10),n=t.height||parseInt(n.height,10);return e===this._width&&n===this._height||(this._width=e,this._height=n,this._aspectRatio=e/n,this._photoSphereRenderer.updateViewportDimensions(e,n),this._yawPitchControl.option("aspectRatio",this._aspectRatio),this._yawPitchControl.updatePanScale({height:n}),this.lookAt({},0)),this},t.getFov=function(){return this._fov},t.getYaw=function(){return this._yaw},t.getPitch=function(){return this._pitch},t.getYawRange=function(){return this._yawPitchControl.option("yawRange")},t.getPitchRange=function(){return this._yawPitchControl.option("pitchRange")},t.setYawRange=function(t){return this._yawPitchControl.option("yawRange",t),this},t.setPitchRange=function(t){return this._yawPitchControl.option("pitchRange",t),this},t.setShowPolePoint=function(t){return this._yawPitchControl.option("showPolePoint",t),this},t.lookAt=function(t,e){if(void 0===e&&(e=0),!this._isReady)return this;var n=void 0!==t.yaw?t.yaw:this._yaw,i=void 0!==t.pitch?t.pitch:this._pitch,r=this._yawPitchControl.option("pitchRange"),r=r[1]-r[0],t=void 0!==t.fov?t.fov:this._fov;return r<t&&(t=r),this._yawPitchControl.lookAt({yaw:n,pitch:i,fov:t},e),0===e&&this._photoSphereRenderer.renderWithYawPitch(n,i,t),this},t.setTouchDirection=function(t){return s._isValidTouchDirection(t)&&this._yawPitchControl.option("touchDirection",t),this},t.getTouchDirection=function(){return this._yawPitchControl.option("touchDirection")},t.destroy=function(){return this._deactivate(),this._yawPitchControl&&(this._yawPitchControl.destroy(),this._yawPitchControl=null),this},t._initRenderer=function(t,e,n,i,r){var o=this;this._photoSphereRenderer=new mo(this._image,this._width,this._height,this._isVideo,this._container,this._canvasClass,{initialYaw:t,initialPitch:e,fieldOfView:n,imageType:i,cubemapConfig:r,stereoFormat:this._stereoFormat}),this._photoSphereRenderer.setYawPitchControl(this._yawPitchControl),this._bindRendererHandler(),this._photoSphereRenderer.bindTexture().then(function(){return o._activate()}).catch(function(){o.trigger(new p(Er.ERROR,{type:wr.FAIL_BIND_TEXTURE,message:"failed to bind texture"}))})},t._updateYawPitchIfNeeded=function(){var t,e,n;this._projectionType===s.ProjectionType.PANORAMA&&(e=t=void 0,(n=(n=this._photoSphereRenderer.getContent()).naturalWidth/n.naturalHeight)<1&&(n=1/n),e=n<6?(t=fi.toDegree(n),2*fi.toDegree(Math.atan(.5))):(t=360)/n,n=this._yawPitchControl.option("fovRange")[0],this._yawPitchControl.option({fov:e,yawRange:[-t/2,t/2],pitchRange:[-e/2,e/2],fovRange:[n,e]}),this.lookAt({fov:e}))},t._bindRendererHandler=function(){var e=this;this._photoSphereRenderer.on(mo.EVENTS.ERROR,function(t){e.trigger(new p(Er.ERROR,t))}),this._photoSphereRenderer.on(mo.EVENTS.RENDERING_CONTEXT_LOST,function(){e._deactivate(),e.trigger(new p(Er.ERROR,{type:wr.RENDERING_CONTEXT_LOST,message:"webgl rendering context lost"}))})},t._initYawPitchControl=function(t){var e=this;this._yawPitchControl=new Ki(t),this._yawPitchControl.on(Er.ANIMATION_END,function(t){e.trigger(new p(Er.ANIMATION_END,t))}),this._yawPitchControl.on("change",function(t){e._yaw=t.yaw,e._pitch=t.pitch,e._fov=t.fov,e._quaternion=t.quaternion,e.trigger(new p(Er.VIEW_CHANGE,t))})},t._activate=function(){this._photoSphereRenderer.attachTo(this._container),this._yawPitchControl.enable(),this.updateViewportDimensions(),this._isReady=!0,this._updateYawPitchIfNeeded(),this.trigger(new p(Er.READY)),this._photoSphereRenderer.startRender()},t._deactivate=function(){var t=this.getVideo();t&&t.pause(),this._isReady&&(this._photoSphereRenderer.stopRender(),this._yawPitchControl.disable(),this._isReady=!1),this._photoSphereRenderer&&(this._photoSphereRenderer.destroy(),this._photoSphereRenderer=null)},s.VERSION=i,s.ERROR_TYPE=wr,s.EVENTS=Er,s.PROJECTION_TYPE=Tr,s.GYRO_MODE=wi,s.ProjectionType=Tr,s.STEREO_FORMAT=Rr,s.TOUCH_DIRECTION={NONE:Ki.TOUCH_DIRECTION_NONE,YAW:Ki.TOUCH_DIRECTION_YAW,PITCH:Ki.TOUCH_DIRECTION_PITCH,ALL:Ki.TOUCH_DIRECTION_ALL},s}(e),W={__proto__:null,PanoViewer:vo,VERSION:i,GYRO_MODE:wi,PANOVIEWER_EVENTS:Er,ERROR_TYPE:wr,PROJECTION_TYPE:Tr,STEREO_FORMAT:Rr,PANOVIEWER_OPTIONS:{image:!0,video:!0,projectionType:!0,cubemapConfig:!0,stereoFormat:!0,width:!0,height:!0,yaw:!0,pitch:!0,fov:!0,showPolePoint:!0,useZoom:!0,useKeyboard:!0,gyroMode:!0,yawRange:!0,pitchRange:!0,fovRange:!0,touchDirection:!0,canvasClass:!0},DEFAULT_CANVAS_CLASS:br},go="view360-wrapper",_o="view360-image",yo=function(h){function u(t,e){void 0===e&&(e={});var n=h.call(this)||this,i=e||{};n._el=t,n._rowCount=i.rowCount||1,n._colCount=i.colCount||1,n._totalCount=n._rowCount*n._colCount,n._width=i.width||"auto",n._height=i.height||"auto",n._autoHeight=null==i.autoHeight||i.autoHeight,n._colRow=[0,0],i.colRow?n._colRow=i.colRow:i.frameIndex&&n.setFrameIndex(i.frameIndex),n._el.style.width=u._getSizeString(n._width),n._el.style.height=u._getSizeString(n._height);var r=i.wrapperClass||go,e=i.imageClass||_o;if(!i.imageUrl)return setTimeout(function(){n.trigger(new p("imageError",{imageUrl:i.imageUrl}))},0),n;var o=t.querySelector("."+e),s=t.querySelector("."+r);s&&o&&(o.style.display="none"),n._image=o||new Image;var a=n._image;return a.onload=function(){s&&o&&(o.style.display=""),n._bg=u._createBgDiv(s,a,n._rowCount,n._colCount,n._autoHeight),n._el.appendChild(n._bg),n.setColRow(n._colRow[0],n._colRow[1]),n.trigger(new p("load",{target:n._el,bgElement:n._bg})),n._autoPlayReservedInfo&&(n.play(n._autoPlayReservedInfo),n._autoPlayReservedInfo=null)},a.onerror=function(){n.trigger(new p("imageError",{imageUrl:i.imageUrl}))},a.src=i.imageUrl,n}a(u,h);var t=u.prototype;return u._createBgDiv=function(t,e,n,i,r){t=t||document.createElement("div");t.style.position="relative",t.style.overflow="hidden",e.style.position="absolute",e.style.width=100*i+"%",e.style.height=100*n+"%",e.ondragstart=function(){return!1},Z&&(e.style.willChange="transform"),t.appendChild(e);i=e.naturalWidth/i,n=e.naturalHeight/n;return r?(i=n/i,t.style.paddingBottom=100*i+"%"):t.style.height="100%",t},u._getSizeString=function(t){return"number"==typeof t?t+"px":t},t.setFrameIndex=function(t){t=this.toColRow(t);this.setColRow(t[0],t[1])},t.getFrameIndex=function(){return this._colRow[1]*this._colCount+this._colRow[0]},t.setColRow=function(t,e){e>this._rowCount-1||t>this._colCount-1||(this._image&&K&&(this._image.style[K]="translate("+-(t/this._colCount)*100+"%, "+-(e/this._rowCount)*100+"%)"),this._colRow=[t,e])},t.getColRow=function(){return this._colRow},t.stop=function(){this._autoPlayTimer&&(clearInterval(this._autoPlayTimer),this._autoPlayTimer=-1)},t.play=function(t){var e,n,i,r=this,o=void 0===t?{interval:1e3/this._totalCount,playCount:0}:t,t=o.interval,s=o.playCount;this._bg?(this._autoPlayTimer&&(clearInterval(this._autoPlayTimer),this._autoPlayTimer=-1),e=this.getFrameIndex(),i=n=0,this._autoPlayTimer=window.setInterval(function(){e%=r._totalCount;var t=r.toColRow(e);r.setColRow(t[0],t[1]),e++,++i===r._totalCount&&(i=0,n++),0<s&&n===s&&clearInterval(r._autoPlayTimer)},t)):this._autoPlayReservedInfo={interval:t,playCount:s}},t.toColRow=function(t){var e=this._colCount,n=this._rowCount;return t<0?[0,0]:t>=this._totalCount?[e-1,n-1]:[t%e,Math.floor(t/e)]},u.VERSION=i,u}(e),xo=function(o){function t(t,e){void 0===e&&(e={});var n=o.call(this)||this;n._el=t;var i=u({},e),r=i.colCount||1,e=i.rowCount||1;return n._scale=i.scale||1,n._panScale=.21*n._scale,n._frameCount=r*e,n._sprites=new yo(t,i).on({load:function(t){n.trigger(new p("load",t))},imageError:function(t){n.trigger(new p("imageError",{imageUrl:t.imageUrl}))}}),n._panInput=new gn(n._el,{scale:[n._panScale,n._panScale]}),n._axes=new un({angle:{range:[0,359],circular:!0}}).on({change:function(t){var e=Math.floor(t.pos.angle/(360/n._frameCount)),e=n._frameCount-e-1;n._sprites.setFrameIndex(e),n.trigger(new p("change",{frameIndex:e,colRow:n._sprites.getColRow(),angle:t.pos.angle}))},animationEnd:function(t){n.trigger(new p("animationEnd",{isTrusted:t.isTrusted}))}}),n._axes.connect("angle",n._panInput),n}a(t,o);var e=t.prototype;return e.setScale=function(t){return isNaN(t)||t<0||(this._scale=t,this._panScale=.21*t,this._panInput.options.scale=[this._panScale,this._panScale]),this},e.getScale=function(){return this._scale},e.spinBy=function(t,e){return void 0===t&&(t=0),void 0===e&&(e={duration:0}),this._axes.setBy({angle:t},e.duration),this},e.spinTo=function(t,e){return void 0===t&&(t=0),void 0===e&&(e={duration:0}),this._axes.setTo({angle:t},e.duration),this},e.getAngle=function(){return this._axes.get().angle||0},t.VERSION=i,t}(e),j={__proto__:null,SpinViewer:xo,SpriteImage:yo,VERSION:i,SPINVIEWER_OPTIONS:{imageUrl:!0,rowCount:!0,colCount:!0,width:!0,height:!0,autoHeight:!0,colRow:!0,scale:!0,frameIndex:!0,wrapperClass:!0,imageClass:!0},SPINVIEWER_EVENTS:{LOAD:"load",IMAGE_ERROR:"imageError",CHANGE:"change",ANIMATION_END:"animationEnd"},DEFAULT_WRAPPER_CLASS:go,DEFAULT_IMAGE_CLASS:_o},wo=function(t,e){return null!=t&&t!==e},Eo=function(t,e,n,i){wo(n[e],i[e])&&t["set"+e[0].toUpperCase()+e.slice(1)](n[e])},st={__proto__:null,withMethods:lo,withPanoViewerMethods:function(t,e){lo(vo,t,e)},withSpinViewerMethods:function(t,e){lo(xo,t,e)},updatePanoViewer:function(e,n,i){wo(n.image,i.image)?e.setImage(n.image,{projectionType:n.projectionType,cubemapConfig:n.cubemapConfig,stereoFormat:n.stereoFormat,isVideo:!1}):wo(n.video,i.video)&&e.setVideo(n.video,{projectionType:n.projectionType,cubemapConfig:n.cubemapConfig,stereoFormat:n.stereoFormat});["fovRange","gyroMode","pitchRange","showPolePoint","touchDirection","useKeyboard","useZoom","yawRange"].forEach(function(t){Eo(e,t,n,i)})}},q={};return Cr(q,W),Cr(q,j),Cr(q,st),q});
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