@egjs/view360/dist/view360.min.js

360 integrated viewing solution from inside-out view to outside-in view. It provides user-friendly service by rotating 360 degrees through various user interaction such as motion sensor and touch.

/*
Copyright (c) 2017-present NAVER Corp.
name: @egjs/view360
license: MIT
author: NAVER Corp.
repository: https://github.com/naver/egjs-view360
version: 3.6.4
*/
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e,i;tt.isIOS()&&(e=t.style.width,i=t.style.height,t.style.width=parseInt(e)+1+"px",t.style.height=parseInt(i)+"px",setTimeout(function(){t.style.width=e,t.style.height=i},100)),g.Util=tt,g.canvas=t},tt.isDebug=function(){return tt.getQueryParameter("debug")},tt.getQueryParameter=function(t){t=t.replace(/[\[]/,"\\[").replace(/[\]]/,"\\]");t=new RegExp("[\\?&]"+t+"=([^&#]*)").exec(location.search);return null===t?"":decodeURIComponent(t[1].replace(/\+/g," "))},tt.frameDataFromPose=(H=Math.PI/180,K=.25*Math.PI,Z=new Float32Array([0,0,0,1]),J=new Float32Array([0,0,0]),function(t,e,i){return!(!t||!e)&&(t.pose=e,t.timestamp=e.timestamp,et(t.leftProjectionMatrix,t.leftViewMatrix,e,i.getEyeParameters("left"),i),et(t.rightProjectionMatrix,t.rightViewMatrix,e,i.getEyeParameters("right"),i),!0)}),tt.isInsideCrossDomainIFrame=function(){var t=g.self!==g.top,e=tt.getDomainFromUrl(m.referrer),i=tt.getDomainFromUrl(g.location.href);return t&&e!==i},tt.getDomainFromUrl=function(t){t=-1<t.indexOf("://")?t.split("/")[2]:t.split("/")[0];return t=t.split(":")[0]};var it=function(){function t(t){this.predictionTimeS=t,this.previousQ=new W.Quaternion,this.previousTimestampS=null,this.deltaQ=new W.Quaternion,this.outQ=new W.Quaternion}return t.prototype.getPrediction=function(t,e,i){if(!this.previousTimestampS)return this.previousQ.copy(t),this.previousTimestampS=i,t;var n=new W.Vector3;n.copy(e),n.normalize();e=e.length();if(e<20*W.degToRad)return tt.isDebug()&&console.log("Moving slowly, at %s deg/s: no prediction",(W.radToDeg*e).toFixed(1)),this.outQ.copy(t),this.previousQ.copy(t),this.outQ;this.previousTimestampS;e*=this.predictionTimeS;return this.deltaQ.setFromAxisAngle(n,e),this.outQ.copy(this.previousQ),this.outQ.multiply(this.deltaQ),this.previousQ.copy(t),this.previousTimestampS=i,this.outQ},t}(),nt=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=Q,t.isAndroid=z,t.stillGyroVec=_.vec3.create(),t.rawGyroVec=_.vec3.create(),t.adjustedGyroVec=_.vec3.create(),t._timer=-1,t.lastDevicemotionTimestamp=0,t._isEnabled=!1,t.enable(),t}l(t,e);var i=t.prototype;return i.enable=function(){this.isAndroid&&g.addEventListener("deviceorientation",this._onDeviceOrientation),this.isWithoutDeviceMotion?g.addEventListener("deviceorientation",this._onChromeWithoutDeviceMotion):g.addEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!0},i.disable=function(){g.removeEventListener("deviceorientation",this._onDeviceOrientation),g.removeEventListener("deviceorientation",this._onChromeWithoutDeviceMotion),g.removeEventListener("devicemotion",this._onDeviceMotion),this._isEnabled=!1},i._onChromeWithoutDeviceMotion=function(t){var e=t.alpha,i=t.beta,t=t.gamma;null!==e&&(e=(e||0)*Math.PI/180,i=(i||0)*Math.PI/180,t=(t||0)*Math.PI/180,this.trigger(new c.ComponentEvent("devicemotion",{inputEvent:{deviceorientation:{alpha:e,beta:i,gamma:-t}}})))},i._onDeviceOrientation=function(){var t=this;this._timer&&clearTimeout(this._timer),this._timer=g.setTimeout(function(){(new Date).getTime()-t.lastDevicemotionTimestamp<200&&_.vec3.copy(t.stillGyroVec,t.rawGyroVec)},200)},i._onDeviceMotion=function(t){var e=!(null==t.rotationRate.alpha),i=!(null==t.accelerationIncludingGravity.x);0!==t.interval&&e&&i&&((i=h({},t)).interval=t.interval,i.timeStamp=t.timeStamp,i.type=t.type,i.rotationRate={alpha:t.rotationRate.alpha,beta:t.rotationRate.beta,gamma:t.rotationRate.gamma},i.accelerationIncludingGravity={x:t.accelerationIncludingGravity.x,y:t.accelerationIncludingGravity.y,z:t.accelerationIncludingGravity.z},i.acceleration={x:t.acceleration.x,y:t.acceleration.y,z:t.acceleration.z},this.isAndroid&&(_.vec3.set(this.rawGyroVec,t.rotationRate.alpha||0,t.rotationRate.beta||0,t.rotationRate.gamma||0),_.vec3.subtract(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 c.ComponentEvent("devicemotion",{inputEvent:i})))},t}(c),rt=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}(),ot=function(){function t(t){this.addGyroMeasurement=function(t,e){this.currentGyroMeasurement.set(t,e);e-=this.previousGyroMeasurement.timestampS;tt.isTimestampDeltaValid(e)&&this.run_(),this.previousGyroMeasurement.copy(this.currentGyroMeasurement)},this.kFilter=t,this.currentAccelMeasurement=new rt,this.currentGyroMeasurement=new rt,this.previousGyroMeasurement=new rt,tt.isIOS()?this.filterQ=new W.Quaternion(-1,0,0,1):this.filterQ=new W.Quaternion(1,0,0,1),this.previousFilterQ=new W.Quaternion,this.previousFilterQ.copy(this.filterQ),this.accelQ=new W.Quaternion,this.isOrientationInitialized=!1,this.estimatedGravity=new W.Vector3,this.measuredGravity=new W.Vector3,this.gyroIntegralQ=new W.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 W.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 W.Quaternion;e.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),e.inverse(),tt.isDebug()&&console.log("Delta: %d deg, G_est: (%s, %s, %s), G_meas: (%s, %s, %s)",W.radToDeg*tt.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 W.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 W.Vector3;e.copy(t),e.normalize();t=new W.Quaternion;return t.setFromUnitVectors(new W.Vector3(0,0,-1),e),t.inverse(),t},e.gyroToQuaternionDelta_=function(t,e){var i=new W.Quaternion,n=new W.Vector3;return n.copy(t),n.normalize(),i.setFromAxisAngle(n,t.length()*e),i},t}();ot.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 W.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 W.Quaternion;e.setFromUnitVectors(this.estimatedGravity,this.measuredGravity),e.inverse();t=new W.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)},ot.prototype.getOrientation=function(){return this.isFilterQuaternionInitialized?this.filterQ:null};for(var at=function(e){function t(){var t=e.call(this)||this;return t.deviceMotion=new nt,t.accelerometer=new W.Vector3,t.gyroscope=new W.Vector3,t._onDeviceMotionChange=t._onDeviceMotionChange.bind(t),t._onScreenOrientationChange=t._onScreenOrientationChange.bind(t),t.filter=new ot(.98),t.posePredictor=new it(.04),t.filterToWorldQ=new W.Quaternion,t.isFirefoxAndroid=tt.isFirefoxAndroid(),t.isIOS=x||w,t.isChromeUsingDegrees=66<=U,t._isEnabled=!1,t.isIOS?t.filterToWorldQ.setFromAxisAngle(new W.Vector3(1,0,0),Math.PI/2):t.filterToWorldQ.setFromAxisAngle(new W.Vector3(1,0,0),-Math.PI/2),t.inverseWorldToScreenQ=new W.Quaternion,t.worldToScreenQ=new W.Quaternion,t.originalPoseAdjustQ=new W.Quaternion,t.originalPoseAdjustQ.setFromAxisAngle(new W.Vector3(0,0,1),-g.orientation*Math.PI/180),t._setScreenTransform(),tt.isLandscapeMode()&&t.filterToWorldQ.multiply(t.inverseWorldToScreenQ),t.resetQ=new W.Quaternion,t.deviceMotion.on("devicemotion",t._onDeviceMotionChange),t.enable(),t}l(t,e);var i=t.prototype;return i.enable=function(){this.isEnabled()||(this.deviceMotion.enable(),this._isEnabled=!0,g.addEventListener("orientationchange",this._onScreenOrientationChange))},i.disable=function(){this.isEnabled()&&(this.deviceMotion.disable(),this._isEnabled=!1,g.removeEventListener("orientationchange",this._onScreenOrientationChange))},i.isEnabled=function(){return this._isEnabled},i.destroy=function(){this.disable(),this.deviceMotion=null},i.getOrientation=function(){var t,e=this;if(this.deviceMotion.isWithoutDeviceMotion&&this._deviceOrientationQ){this.deviceOrientationFixQ=this.deviceOrientationFixQ||(new W.Quaternion).setFromAxisAngle(new W.Vector3(0,1,0),-e._alpha),t=this._deviceOrientationQ,(n=new W.Quaternion).copy(t),n.multiply(this.filterToWorldQ),n.multiply(this.resetQ),n.multiply(this.worldToScreenQ),n.multiplyQuaternions(this.deviceOrientationFixQ,n);var i=_.quat.fromValues(n.x,n.y,n.z,n.w);return _.quat.normalize(i,i)}if(!(t=this.filter.getOrientation()))return null;var n=this._convertFusionToPredicted(t),i=_.quat.fromValues(n.x,n.y,n.z,n.w);return _.quat.normalize(i,i)},i._triggerChange=function(){var t=this.getOrientation();t&&(this._prevOrientation?_.quat.equals(this._prevOrientation,t)||this.trigger(new c.ComponentEvent("change",{quaternion:t})):this._prevOrientation=t)},i._convertFusionToPredicted=function(t){this.predictedQ=this.posePredictor.getPrediction(t,this.gyroscope,this.previousTimestampS);t=new W.Quaternion;return t.copy(this.filterToWorldQ),t.multiply(this.resetQ),t.multiply(this.predictedQ),t.multiply(this.worldToScreenQ),t},i._onDeviceMotionChange=function(t){var e=t.inputEvent,i=e.deviceorientation,n=e.accelerationIncludingGravity,t=e.adjustedRotationRate||e.rotationRate,e=e.timeStamp/1e3;i?(this._alpha||(this._alpha=i.alpha),this._deviceOrientationQ=this._deviceOrientationQ||new W.Quaternion,this._deviceOrientationQ.setFromEulerYXZ(i.beta,i.alpha,i.gamma),this._triggerChange()):(this.isFirefoxAndroid&&(e/=1e3),this.accelerometer.set(-n.x,-n.y,-n.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)},i._onScreenOrientationChange=function(){this._setScreenTransform()},i._setScreenTransform=function(){this.worldToScreenQ.set(0,0,0,1);var t=g.orientation;switch(t){case 0:break;case 90:case-90:case 180:this.worldToScreenQ.setFromAxisAngle(new W.Vector3(0,0,1),t/-180*Math.PI)}this.inverseWorldToScreenQ.copy(this.worldToScreenQ),this.inverseWorldToScreenQ.inverse()},t}(c),st=function(n){function t(t,e){void 0===e&&(e={});var i=n.call(this)||this;return i.element=t,i._prevQuaternion=null,i._quaternion=null,i.fusionPoseSensor=null,i.options=h({scale:1,threshold:0},e),i._onPoseChange=i._onPoseChange.bind(i),i}l(t,n);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 at,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=_.quat.clone(t.quaternion),void(this._quaternion=_.quat.clone(t.quaternion));var n,e,i;_.quat.copy(this._prevQuaternion,this._quaternion),_.quat.copy(this._quaternion,t.quaternion),this.observer.change(this,t,(n=this.axes,[(e=this._prevQuaternion,i=this._quaternion,t=D.getRotationDelta(e,i,M.YAW_DELTA_BY_YAW),D.getRotationDelta(e,i,M.YAW_DELTA_BY_ROLL)*Math.sin(D.extractPitchFromQuat(i))+t),(i=this._prevQuaternion,t=this._quaternion,D.getRotationDelta(i,t,M.PITCH_DELTA))].reduce(function(t,e,i){return n[i]&&(t[n[i]]=e),t},{})))},e._attachEvent=function(){this.fusionPoseSensor.on("change",this._onPoseChange)},e._dettachEvent=function(){this.fusionPoseSensor.off("change",this._onPoseChange)},t}(c),ut=null,ht=0,ct=function(){function t(){if(ht++,ut)return ut;(ut=this)._onDeviceOrientation=this._onDeviceOrientation.bind(this),this._onOrientationChange=this._onOrientationChange.bind(this),this._spinR=0,this._screenOrientationAngle=0,g.addEventListener("deviceorientation",this._onDeviceOrientation),g.addEventListener("orientationchange",this._onOrientationChange)}var e=t.prototype;return e.getRadian=function(){return this._spinR+_.glMatrix.toRadian(this._screenOrientationAngle)},e.unref=function(){0<--ht||(g.removeEventListener("deviceorientation",this._onDeviceOrientation),g.removeEventListener("orientationchange",this._onOrientationChange),this._spinR=0,this._screenOrientationAngle=0,ut=null,ht=0)},e._onDeviceOrientation=function(t){var e;null!==t.beta&&null!==t.gamma&&(e=_.glMatrix.toRadian(t.beta),t=_.glMatrix.toRadian(t.gamma),this._spinR=Math.atan2(Math.cos(e)*Math.sin(t),Math.sin(e)))},e._onOrientationChange=function(){g.screen&&g.screen.orientation&&void 0!==g.screen.orientation.angle?this._screenOrientationAngle=screen.orientation.angle:void 0!==g.orientation&&(this._screenOrientationAngle=0<=g.orientation?g.orientation:360+g.orientation)},t}(),lt=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=u.DIRECTION_ALL,t}l(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 ct)},e.connect=function(t){return this._userDirection=this._direction,this._useRotation&&this._direction&u.DIRECTION_ALL&&(this._direction=u.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 i=r.prototype._getOffset.call(this,t,[!0,!0]),n=[0,0],e=this._screenRotationAngle.getRadian(),t=Math.cos(e),e=Math.sin(e);return n[0]=i[0]*t-i[1]*e,n[1]=i[1]*t+i[0]*e,this._userDirection&u.DIRECTION_HORIZONTAL?this._userDirection&u.DIRECTION_VERTICAL||(n[1]=0):n[0]=0,n},t}(u.PanInput),dt=_.vec3.fromValues(0,1,0),ft=function(t){function e(){var e=t.call(this)||this;return e._fusionPoseSensor=new at,e._quaternion=_.quat.create(),e._fusionPoseSensor.enable(),e._fusionPoseSensor.on("change",function(t){e._quaternion=t.quaternion,e.trigger(new c.ComponentEvent("change",{isTrusted:!0}))}),e}l(e,t);var i=e.prototype;return i.getCombinedQuaternion=function(t){var e=_.quat.setAxisAngle(_.quat.create(),dt,_.glMatrix.toRadian(-t)),t=_.quat.conjugate(_.quat.create(),this._quaternion);return _.quat.multiply(_.quat.create(),t,e)},i.destroy=function(){this.off(),this._fusionPoseSensor&&(this._fusionPoseSensor.off(),this._fusionPoseSensor.destroy(),this._fusionPoseSensor=null)},e}(c),_t=[-180,180],pt=[-90,90],gt=[-180,180],mt=function(i){function t(t){var e=i.call(this)||this;e.options={};t=h({element:null,yaw:0,pitch:0,fov:65,showPolePoint:!1,useZoom:!0,useKeyboard:!0,gyroMode:B.YAWPITCH,touchDirection:6,yawRange:_t,pitchRange:pt,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}l(t,i);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=G[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 i={},n=[];return"string"==typeof t?(n.push(t),i[t]=e):(t=t,n=Object.keys(t),i=h({},t)),this._setOptions(this._getValidatedOptions(i)),this._applyOptions(n),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 i=t.yaw,n=t.pitch,r=t.fov,t=this._axes.get(),i=void 0===i?0:i-t.yaw,n=void 0===n?0:n-t.pitch,t=void 0===r?0:r-t.fov;this._axes.options.maximumDuration=1/0,this._axes.setBy({yaw:i,pitch:n,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===B.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,i=this._updateYawRange(t.yawRange,t.fov,t.aspectRatio),n=this._updatePitchRange(t.pitchRange,t.fov,t.showPolePoint),r=t.gyroMode===B.VR;this._axesPanInput=new lt(this._element,{useRotation:r}),this._axesWheelInput=new u.WheelInput(this._element,{scale:-4}),this._axesTiltMotionInput=null,this._axesPinchInput=T?new u.PinchInput(this._element,{scale:-1}):null,this._axesMoveKeyInput=new u.MoveKeyInput(this._element,{scale:[-6,6]}),this._axes=new u({yaw:{range:i,circular:this._isCircular(i),bounce:[0,0]},pitch:{range:n,circular:this._isCircular(n),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 c.ComponentEvent("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 c.ComponentEvent("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,i,n,r=this.options,o=this._axes,a=r.gyroMode===B.VR,s=r.gyroMode===B.YAWPITCH,u=a?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,i=o.get().fov,n=o.get().fov,_.vec2.copy(o.axis.fov.range,e),n<e[0]?n=e[0]:i>e[1]&&(n=e[1]),i!==n&&(o.setTo({fov:n},0),this._updateControlScale(),this.updatePanScale())),t.some(function(t){return"gyroMode"===t})&&C&&(this._axesTiltMotionInput&&(this._axes.disconnect(this._axesTiltMotionInput),this._axesTiltMotionInput.destroy(),this._axesTiltMotionInput=null),this._deviceQuaternion&&(this._deviceQuaternion.destroy(),this._deviceQuaternion=null),a?this._initDeviceQuaternion():s&&(this._axesTiltMotionInput=new st(this._element),this._axes.connect(["yaw","pitch"],this._axesTiltMotionInput)),this._axesPanInput.setUseRotation(a)),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})&&(a=r.useZoom,o.disconnect(this._axesWheelInput),a&&o.connect(["fov"],this._axesWheelInput)),this._togglePinchInputByOption(r.touchDirection,r.useZoom),t.some(function(t){return"touchDirection"===t})&&this._enabled&&this._enableTouch(u)},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 ft,this._deviceQuaternion.on("change",function(t){e._triggerChange(t)})},e._getValidYawRange=function(t,e,i){i=this._adjustAspectRatio(i||this.options.aspectRatio||1),i=(e||this._axes.get().fov)*i;return t[1]-t[0]>=i?t:this.options.yawRange||_t},e._getValidPitchRange=function(t,e){e=e||this._axes.get().fov;return t[1]-t[0]>=e?t:this.options.pitchRange||pt},e._isCircular=function(t){return t[1]-t[0]<360?[!1,!1]:[!0,!0]},e._updateControlScale=function(t){var e=this.options,i=this._axes.get().fov,n=this._updatePitchRange(e.pitchRange,i,e.showPolePoint),r=this._updateYawRange(e.yawRange,i,e.aspectRatio),i=this._axes.get(),e=i.yaw,i=i.pitch;return _.vec2.copy(this._axes.axis.yaw.range,r),_.vec2.copy(this._axes.axis.pitch.range,n),this._axes.axis.yaw.circular=this._isCircular(r),this._axes.axis.pitch.circular=this._isCircular(n),e<r[0]?e=r[0]:e>r[1]&&(e=r[1]),i<n[0]?i=n[0]:i>n[1]&&(i=n[1]),t&&t.set({yaw:e,pitch:i}),this._axes.setTo({yaw:e,pitch:i},0),this},e._updatePitchRange=function(t,e,i){if(this.options.gyroMode===B.VR)return gt;var n=t[1]-t[0],e=e/2;return!i||n<180?[t[0]+e,t[1]-e]:t.concat()},e._updateYawRange=function(t,e,i){if(this.options.gyroMode===B.VR)return _t;if(360<=t[1]-t[0])return t.concat();e=D.toDegree(Math.atan2(i,1/Math.tan(_.glMatrix.toRadian(e/2))));return[t[0]+e,t[1]-e]},e._triggerChange=function(t){var e=this._axes.get(),i=this.options,t={targetElement:i.element,isTrusted:t.isTrusted,yaw:e.yaw,pitch:e.pitch,fov:e.fov,quaternion:null};i.gyroMode===B.VR&&this._deviceQuaternion&&(t.quaternion=this._deviceQuaternion.getCombinedQuaternion(e.yaw)),this.trigger(new c.ComponentEvent("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],i=[.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],n=-1,r=0;r<e.length-1;r++)if(e[r]<=t&&t<=e[r+1]){n=r;break}if(-1===n)return t<e[0]?i[0]:i[i[0].length-1];var o=e[n],a=e[n+1],s=i[n],i=i[n+1];return this._lerp(s,i,(t-o)/(a-o))},e._lerp=function(t,e,i){return t+i*(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=n,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}(c),vt={INVALID_DEVICE:10,NO_WEBGL:11,FAIL_IMAGE_LOAD:12,FAIL_BIND_TEXTURE:13,INVALID_RESOURCE:14,RENDERING_CONTEXT_LOST:15},yt={READY:"ready",VIEW_CHANGE:"viewChange",ANIMATION_END:"animationEnd",ERROR:"error"},xt={EQUIRECTANGULAR:"equirectangular",CUBEMAP:"cubemap",CUBESTRIP:"cubestrip",PANORAMA:"panorama",STEREOSCOPIC_EQUI:"stereoequi"},wt={TOP_BOTTOM:"3dv",LEFT_RIGHT:"3dh",NONE:""},Et="view360-canvas",Rt=function(n){for(var t=[],e=1;e<arguments.length;e++)t[e-1]=arguments[e];return t.forEach(function(i){Object.keys(i).forEach(function(t){var e=i[t];Array.isArray(n[t])&&Array.isArray(e)?n[t]=p(n[t],e):n[t]=e})}),n},Tt=function(t,e){var i,n;if("object"==typeof e?(i=e.src,n=e.type):"string"==typeof e&&(i=e),!i)return!1;e=document.createElement("source");e.src=i,n&&(e.type=n),t.appendChild(e)},Ct={0:"NO_ERROR",1280:"INVALID_ENUM",1281:"INVALID_VALUE",1282:"INVALID_OPERATION",1285:"OUT_OF_MEMORY",1286:"INVALID_FRAMEBUFFER_OPERATION",37442:"CONTEXT_LOST_WEBGL"},It=null,bt=function(){function e(){}return e.createShader=function(t,e,i){e=t.createShader(e);return t.shaderSource(e,i),t.compileShader(e),t.getShaderParameter(e,t.COMPILE_STATUS)?e:(console.error(t.getShaderInfoLog(e)),null)},e.createProgram=function(t,e,i){var n=t.createProgram();return t.attachShader(n,e),t.attachShader(n,i),t.linkProgram(n),t.deleteShader(e),t.deleteShader(i),t.getProgramParameter(n,t.LINK_STATUS)?n:(t.deleteProgram(n),null)},e.initBuffer=function(t,e,i,n,r){var o=t.createBuffer();return t.bindBuffer(e,o),t.bufferData(e,i,t.STATIC_DRAW),o&&(o.itemSize=n,o.numItems=i.length/n),void 0!==r&&(t.enableVertexAttribArray(r),t.vertexAttribPointer(r,o.itemSize,t.FLOAT,!1,0,0)),o},e.getWebglContext=function(t,e){var i,n,r=null,o=h({preserveDrawingBuffer:!1,antialias:!1},e),e=function(t){return t.statusMessage};t.addEventListener("webglcontextcreationerror",e);try{for(var a=f(["webgl","experimental-webgl","webkit-3d","moz-webgl"]),s=a.next();!s.done;s=a.next()){var u=s.value;try{r=t.getContext(u,o)}catch(t){}if(r)break}}catch(t){i={error:t}}finally{try{s&&!s.done&&(n=a.return)&&n.call(a)}finally{if(i)throw i.error}}return t.removeEventListener("webglcontextcreationerror",e),r},e.createTexture=function(t,e){var i=t.createTexture();return t.bindTexture(e,i),t.texParameteri(e,t.TEXTURE_MAG_FILTER,t.LINEAR),t.texParameteri(e,t.TEXTURE_MIN_FILTER,t.LINEAR),t.texParameteri(e,t.TEXTURE_WRAP_S,t.CLAMP_TO_EDGE),t.texParameteri(e,t.TEXTURE_WRAP_T,t.CLAMP_TO_EDGE),t.bindTexture(e,null),i},e.isWebGLAvailable=function(){var t;return null===It&&(t=document.createElement("canvas"),t=e.getWebglContext(t),It=!!t,!t||(t=t.getExtension("WEBGL_lose_context"))&&t.loseContext()),!!It},e.isStableWebGL=function(){var t,e=a(),i=!0;return"android"!==e.os.name||((t=parseFloat(e.os.version))<=4.3&&1<=t||4.4===t&&"chrome"!==e.browser.name)&&(i=!1),i},e.getErrorNameFromWebGLErrorCode=function(t){return t in Ct?Ct[t]:"UNKNOWN_ERROR"},e.texImage2D=function(t,e,i){try{t.texImage2D(e,0,t.RGBA,t.RGBA,t.UNSIGNED_BYTE,i)}catch(t){console.error("WebGLUtils.texImage2D error:",t)}},e.getMaxTextureSize=function(t){return t.getParameter(t.MAX_TEXTURE_SIZE)},e}(),e=a(),Pt="ie"===e.browser.name&&11===e.browser.majorVersion,At={ERROR:"error"},Ot=function(e){function t(){var t=e.call(this)||this;return t._forceDimension=null,t._pixelCanvas=null,t._pixelContext=null,t}l(t,e);var i=t.prototype;return i.render=function(t){var e=t.gl,i=t.shaderProgram,n=t.indexBuffer,r=t.mvMatrix,t=t.pMatrix;e.uniformMatrix4fv(i.pMatrixUniform,!1,t),e.uniformMatrix4fv(i.mvMatrixUniform,!1,r),n&&e.drawElements(e.TRIANGLES,n.numItems,e.UNSIGNED_SHORT,0)},i.getDimension=function(t){return{width:t.naturalWidth||t.videoWidth,height:t.naturalHeight||t.videoHeight}},i.updateShaderData=function(t){},i._initPixelSource=function(t,e){var i;void 0===e&&(e=null),(Pt&&t instanceof HTMLVideoElement||e)&&(t=(i=e||this.getDimension(t)).width,i=i.height,this._pixelCanvas=document.createElement("canvas"),this._pixelCanvas.width=t,this._pixelCanvas.height=i,this._pixelContext=this._pixelCanvas.getContext("2d")),this._forceDimension=e},i._getPixelSource=function(t){if(!this._pixelCanvas)return t;var e=this.getDimension(t),i=this._forceDimension||e;return this._pixelCanvas.width!==i.width&&(this._pixelCanvas.width=i.width),this._pixelCanvas.height!==i.height&&(this._pixelCanvas.height=i.height),this._forceDimension?this._pixelContext.drawImage(t,0,0,e.width,e.height,0,0,i.width,i.height):this._pixelContext.drawImage(t,0,0),this._pixelCanvas},i._extractTileConfig=function(t){return(Array.isArray(t.tileConfig)?t.tileConfig:Array.apply(void 0,p(Array(6))).map(function(){return t.tileConfig})).map(function(t){return h({flipHorizontal:!1,rotation:0},t)})},i._triggerError=function(t){console.error("Renderer Error:",t),this.trigger(new c.ComponentEvent(At.ERROR,{message:"string"==typeof t?t:t.message}))},t.EVENTS=At,t}(c),St=function(t){function h(){return null!==t&&t.apply(this,arguments)||this}l(h,t);var e=h.prototype;return h.extractOrder=function(t){return t.order||"RLUDBF"},e.getVertexPositionData=function(){return 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