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panolens

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Javascript panorama viewer

pchen66.github.io/Panolens/

pchen66/panolens.js

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(function(h,e){"object"===typeof exports&&"undefined"!==typeof module?e(exports,require("three")):"function"===typeof define&&define.amd?define(["exports","three"],e):(h=h||self,e(h.PANOLENS={},h.THREE))})(this,function(h,e){function S(a){this.constraints=Object.assign({video:{width:{ideal:1920},height:{ideal:1080},facingMode:{exact:"environment"}},audio:!1},a);this.element=this.scene=this.container=null;this.devices=[];this.stream=null;this.ratioScalar=1;this.videoDeviceIndex=0}function M(a,b,c){a= void 0===a?16777215:a;b=void 0===b?!0:b;c=void 0===c?1500:c;this.dpr=window.devicePixelRatio;var d=this.createCanvas(),g=d.canvas;d=d.context;var k=new e.SpriteMaterial({color:a,map:this.createCanvasTexture(g)});e.Sprite.call(this,k);this.canvasWidth=g.width;this.canvasHeight=g.height;this.context=d;this.color=a instanceof e.Color?a:new e.Color(a);this.autoSelect=b;this.dwellTime=c;this.rippleDuration=500;this.position.z=-10;this.center.set(.5,.5);this.scale.set(.5,.5,1);this.callback=this.timerId= this.startTimestamp=null;this.frustumCulled=!1;this.updateCanvasArcByProgress(0)}function z(a,b,c){a=void 0===a?300:a;b=b||u.Info;e.Sprite.call(this);this.type="infospot";this.animated=void 0!==c?c:!0;this.frustumCulled=this.isHovering=!1;this.cursorStyle=this.toPanorama=this.element=null;this.mode=t.NORMAL;this.scale.set(a,a,1);this.rotation.y=Math.PI;this.container=null;this.originalRaycast=this.raycast;this.HANDLER_FOCUS=null;this.material.side=e.DoubleSide;this.material.depthTest=!1;this.material.transparent= !0;this.material.opacity=0;this.scaleUpAnimation=new r.Tween;this.scaleDownAnimation=new r.Tween;c=function(d){if(this.material){var b=d.image.width/d.image.height,c=new e.Vector3;d.image.width=d.image.naturalWidth||64;d.image.height=d.image.naturalHeight||64;this.scale.set(b*a,a,1);c.copy(this.scale);this.scaleUpAnimation=(new r.Tween(this.scale)).to({x:1.3*c.x,y:1.3*c.y},500).easing(r.Easing.Elastic.Out);this.scaleDownAnimation=(new r.Tween(this.scale)).to({x:c.x,y:c.y},500).easing(r.Easing.Elastic.Out); this.material.map=d;this.material.needsUpdate=!0}}.bind(this);this.showAnimation=(new r.Tween(this.material)).to({opacity:1},500).onStart(this.enableRaycast.bind(this,!0)).easing(r.Easing.Quartic.Out);this.hideAnimation=(new r.Tween(this.material)).to({opacity:0},500).onStart(this.enableRaycast.bind(this,!1)).easing(r.Easing.Quartic.Out);this.addEventListener("click",this.onClick);this.addEventListener("hover",this.onHover);this.addEventListener("hoverenter",this.onHoverStart);this.addEventListener("hoverleave", this.onHoverEnd);this.addEventListener("panolens-dual-eye-effect",this.onDualEyeEffect);this.addEventListener("panolens-container",this.setContainer.bind(this));this.addEventListener("dismiss",this.onDismiss);this.addEventListener("panolens-infospot-focus",this.setFocusMethod);N.load(b,c)}function I(a){a||console.warn("PANOLENS.Widget: No container specified");e.EventDispatcher.call(this);this.DEFAULT_TRANSITION="all 0.27s ease";this.TOUCH_ENABLED=!!("ontouchstart"in window||window.DocumentTouch&& document instanceof DocumentTouch);this.PREVENT_EVENT_HANDLER=function(a){a.preventDefault();a.stopPropagation()};this.container=a;this.mask=this.activeSubMenu=this.activeMainItem=this.mainMenu=this.settingElement=this.videoElement=this.fullscreenElement=this.barElement=null}function n(a,b){e.Mesh.call(this,a,b);this.type="panorama";this.ImageQualityLow=1;this.ImageQualityFair=2;this.ImageQualityMedium=3;this.ImageQualityHigh=4;this.ImageQualitySuperHigh=5;this.animationDuration=1E3;this.defaultInfospotSize= 350;this.container=void 0;this.loaded=!1;this.linkedSpots=[];this.isInfospotVisible=!1;this.linkingImageScale=this.linkingImageURL=void 0;this.material.side=e.BackSide;this.material.opacity=0;this.scale.x*=-1;this.renderOrder=-1;this.active=!1;this.infospotAnimation=(new r.Tween(this)).to({},this.animationDuration/2);this.addEventListener("load",this.fadeIn.bind(this));this.addEventListener("panolens-container",this.setContainer.bind(this));this.addEventListener("click",this.onClick.bind(this));this.setupTransitions()} function y(a,b,c){b=b||new e.SphereBufferGeometry(5E3,60,40);c=c||new e.MeshBasicMaterial({opacity:0,transparent:!0});n.call(this,b,c);this.src=a;this.radius=5E3}function W(){var a=new e.BufferGeometry,b=new e.MeshBasicMaterial({color:0,opacity:0,transparent:!0});a.addAttribute("position",new e.BufferAttribute(new Float32Array,1));n.call(this,a,b)}function F(a){a=void 0===a?[]:a;var b=Object.assign({},e.ShaderLib.cube),c=new e.BoxBufferGeometry(1E4,1E4,1E4);b=new e.ShaderMaterial({fragmentShader:b.fragmentShader, vertexShader:b.vertexShader,uniforms:b.uniforms,side:e.BackSide,transparent:!0});n.call(this,c,b);this.images=a;this.edgeLength=1E4;this.material.uniforms.opacity.value=0}function O(){for(var a=[],b=0;6>b;b++)a.push(u.WhiteTile);F.call(this,a)}function B(a,b){b=void 0===b?{}:b;var c=new e.SphereBufferGeometry(5E3,60,40),d=new e.MeshBasicMaterial({opacity:0,transparent:!0});n.call(this,c,d);this.src=a;this.options={videoElement:document.createElement("video"),loop:!0,muted:!0,autoplay:!1,playsinline:!0, crossOrigin:"anonymous"};Object.assign(this.options,b);this.videoElement=this.options.videoElement;this.videoProgress=0;this.radius=5E3;this.addEventListener("leave",this.pauseVideo.bind(this));this.addEventListener("enter-fade-start",this.resumeVideoProgress.bind(this));this.addEventListener("video-toggle",this.toggleVideo.bind(this));this.addEventListener("video-time",this.setVideoCurrentTime.bind(this))}function P(a){this._parameters=a=void 0===a?{}:a;this._panoId=this._zoom=null;this._panoClient= new google.maps.StreetViewService;this._total=this._count=0;this._canvas=[];this._ctx=[];this._hc=this._wc=0;this.result=null;this.rotation=0;this.copyright="";this.onPanoramaLoad=this.onSizeChange=null;this.levelsW=[1,2,4,7,13,26];this.levelsH=[1,1,2,4,7,13];this.widths=[416,832,1664,3328,6656,13312];this.heights=[416,416,832,1664,3328,6656];this.maxH=this.maxW=6656;var b;try{var c=document.createElement("canvas");(b=c.getContext("experimental-webgl"))||(b=c.getContext("webgl"))}catch(d){}this.maxW= Math.max(b.getParameter(b.MAX_TEXTURE_SIZE),this.maxW);this.maxH=Math.max(b.getParameter(b.MAX_TEXTURE_SIZE),this.maxH)}function Z(a,b){y.call(this);this.panoId=a;this.gsvLoader=null;this.loadRequested=!1;this.setupGoogleMapAPI(b)}function C(a,b,c,d){c=void 0===c?1E4:c;d=void 0===d?.5:d;"image"===(void 0===a?"image":a)&&y.call(this,b,this.createGeometry(c,d),this.createMaterial(c));this.size=c;this.ratio=d;this.EPS=1E-6;this.frameId=null;this.dragging=!1;this.userMouse=new e.Vector2;this.quatA=new e.Quaternion; this.quatB=new e.Quaternion;this.quatCur=new e.Quaternion;this.quatSlerp=new e.Quaternion;this.vectorX=new e.Vector3(1,0,0);this.vectorY=new e.Vector3(0,1,0);this.addEventListener("window-resize",this.onWindowResize)}function aa(a,b,c){C.call(this,"image",a,b,c)}function J(a){var b=new e.SphereBufferGeometry(5E3,60,40),c=new e.MeshBasicMaterial({visible:!1});n.call(this,b,c);this.media=new S(a);this.radius=5E3;this.addEventListener("enter",this.start.bind(this));this.addEventListener("leave",this.stop.bind(this)); this.addEventListener("panolens-container",this.onPanolensContainer.bind(this));this.addEventListener("panolens-scene",this.onPanolensScene.bind(this))}function ba(a,b){function c(a){Q=!1;K=L=0;if(!1!==f.enabled){a.preventDefault();if(a.button===f.mouseButtons.ORBIT){if(!0===f.noRotate)return;x=w.ROTATE;D.set(a.clientX,a.clientY)}else if(a.button===f.mouseButtons.ZOOM){if(!0===f.noZoom)return;x=w.DOLLY;y.set(a.clientX,a.clientY)}else if(a.button===f.mouseButtons.PAN){if(!0===f.noPan)return;x=w.PAN; n.set(a.clientX,a.clientY)}x!==w.NONE&&(document.addEventListener("mousemove",d,!1),document.addEventListener("mouseup",g,!1),f.dispatchEvent(O));f.update()}}function d(a){if(!1!==f.enabled){a.preventDefault();var d=f.domElement===document?f.domElement.body:f.domElement;if(x===w.ROTATE){if(!0===f.noRotate)return;h.set(a.clientX,a.clientY);r.subVectors(h,D);f.rotateLeft(2*Math.PI*r.x/d.clientWidth*f.rotateSpeed);f.rotateUp(2*Math.PI*r.y/d.clientHeight*f.rotateSpeed);D.copy(h);G&&(K=a.clientX-G.clientX, L=a.clientY-G.clientY);G=a}else if(x===w.DOLLY){if(!0===f.noZoom)return;z.set(a.clientX,a.clientY);T.subVectors(z,y);0<T.y?f.dollyIn():0>T.y&&f.dollyOut();y.copy(z)}else if(x===w.PAN){if(!0===f.noPan)return;U.set(a.clientX,a.clientY);t.subVectors(U,n);f.pan(t.x,t.y);n.copy(U)}x!==w.NONE&&f.update()}}function g(){Q=!0;G=void 0;!1!==f.enabled&&(document.removeEventListener("mousemove",d,!1),document.removeEventListener("mouseup",g,!1),f.dispatchEvent(P),x=w.NONE)}function k(a){if(!1!==f.enabled&&!0!== f.noZoom&&x===w.NONE){a.preventDefault();a.stopPropagation();var d=0;void 0!==a.wheelDelta?d=a.wheelDelta:void 0!==a.detail&&(d=-a.detail);0<d?(f.object.fov=f.object.fov<f.maxFov?f.object.fov+1:f.maxFov,f.object.updateProjectionMatrix()):0>d&&(f.object.fov=f.object.fov>f.minFov?f.object.fov-1:f.minFov,f.object.updateProjectionMatrix());f.update();f.dispatchEvent(V);f.dispatchEvent(O);f.dispatchEvent(P)}}function p(a){switch(a.keyCode){case f.keys.UP:I=!1;break;case f.keys.BOTTOM:J=!1;break;case f.keys.LEFT:X= !1;break;case f.keys.RIGHT:Y=!1}}function m(a){if(!1!==f.enabled&&!0!==f.noKeys&&!0!==f.noRotate){switch(a.keyCode){case f.keys.UP:I=!0;break;case f.keys.BOTTOM:J=!0;break;case f.keys.LEFT:X=!0;break;case f.keys.RIGHT:Y=!0}if(I||J||X||Y)Q=!0,I&&(L=-f.rotateSpeed*f.momentumKeydownFactor),J&&(L=f.rotateSpeed*f.momentumKeydownFactor),X&&(K=-f.rotateSpeed*f.momentumKeydownFactor),Y&&(K=f.rotateSpeed*f.momentumKeydownFactor)}}function l(a){Q=!1;K=L=0;if(!1!==f.enabled){switch(a.touches.length){case 1:if(!0=== f.noRotate)return;x=w.TOUCH_ROTATE;D.set(a.touches[0].pageX,a.touches[0].pageY);break;case 2:if(!0===f.noZoom)return;x=w.TOUCH_DOLLY;var d=a.touches[0].pageX-a.touches[1].pageX;a=a.touches[0].pageY-a.touches[1].pageY;y.set(0,Math.sqrt(d*d+a*a));break;case 3:if(!0===f.noPan)return;x=w.TOUCH_PAN;n.set(a.touches[0].pageX,a.touches[0].pageY);break;default:x=w.NONE}x!==w.NONE&&f.dispatchEvent(O)}}function v(a){if(!1!==f.enabled){a.preventDefault();a.stopPropagation();var d=f.domElement===document?f.domElement.body: f.domElement;switch(a.touches.length){case 1:if(!0===f.noRotate)break;if(x!==w.TOUCH_ROTATE)break;h.set(a.touches[0].pageX,a.touches[0].pageY);r.subVectors(h,D);f.rotateLeft(2*Math.PI*r.x/d.clientWidth*f.rotateSpeed);f.rotateUp(2*Math.PI*r.y/d.clientHeight*f.rotateSpeed);D.copy(h);G&&(K=a.touches[0].pageX-G.pageX,L=a.touches[0].pageY-G.pageY);G={pageX:a.touches[0].pageX,pageY:a.touches[0].pageY};f.update();break;case 2:if(!0===f.noZoom)break;if(x!==w.TOUCH_DOLLY)break;d=a.touches[0].pageX-a.touches[1].pageX; a=a.touches[0].pageY-a.touches[1].pageY;z.set(0,Math.sqrt(d*d+a*a));T.subVectors(z,y);0>T.y?(f.object.fov=f.object.fov<f.maxFov?f.object.fov+1:f.maxFov,f.object.updateProjectionMatrix()):0<T.y&&(f.object.fov=f.object.fov>f.minFov?f.object.fov-1:f.minFov,f.object.updateProjectionMatrix());y.copy(z);f.update();f.dispatchEvent(V);break;case 3:if(!0===f.noPan)break;if(x!==w.TOUCH_PAN)break;U.set(a.touches[0].pageX,a.touches[0].pageY);t.subVectors(U,n);f.pan(t.x,t.y);n.copy(U);f.update();break;default:x= w.NONE}}}function q(){Q=!0;G=void 0;!1!==f.enabled&&(f.dispatchEvent(P),x=w.NONE)}this.object=a;this.domElement=void 0!==b?b:document;this.frameId=null;this.enabled=!0;this.center=this.target=new e.Vector3;this.noZoom=!1;this.zoomSpeed=1;this.minDistance=0;this.maxDistance=Infinity;this.minZoom=0;this.maxZoom=Infinity;this.noRotate=!1;this.rotateSpeed=-.15;this.noPan=!0;this.keyPanSpeed=7;this.autoRotate=!1;this.autoRotateSpeed=2;this.minPolarAngle=0;this.maxPolarAngle=Math.PI;this.momentumDampingFactor= .9;this.momentumScalingFactor=-.005;this.momentumKeydownFactor=20;this.minFov=30;this.maxFov=120;this.minAzimuthAngle=-Infinity;this.maxAzimuthAngle=Infinity;this.noKeys=!1;this.keys={LEFT:37,UP:38,RIGHT:39,BOTTOM:40};this.mouseButtons={ORBIT:e.MOUSE.LEFT,ZOOM:e.MOUSE.MIDDLE,PAN:e.MOUSE.RIGHT};var f=this,D=new e.Vector2,h=new e.Vector2,r=new e.Vector2,n=new e.Vector2,U=new e.Vector2,t=new e.Vector2,u=new e.Vector3,A=new e.Vector3,y=new e.Vector2,z=new e.Vector2,T=new e.Vector2,R=0,H=0,B=0,C=0,E=1, F=new e.Vector3,M=new e.Vector3,N=new e.Quaternion,K=0,L=0,G,Q=!1,I,J,X,Y,w={NONE:-1,ROTATE:0,DOLLY:1,PAN:2,TOUCH_ROTATE:3,TOUCH_DOLLY:4,TOUCH_PAN:5},x=w.NONE;this.target0=this.target.clone();this.position0=this.object.position.clone();this.zoom0=this.object.zoom;var S=(new e.Quaternion).setFromUnitVectors(a.up,new e.Vector3(0,1,0)),W=S.clone().inverse(),V={type:"change"},O={type:"start"},P={type:"end"};this.setLastQuaternion=function(a){N.copy(a);f.object.quaternion.copy(a)};this.getLastPosition= function(){return M};this.rotateLeft=function(a){void 0===a&&(a=2*Math.PI/60/60*f.autoRotateSpeed);C-=a};this.rotateUp=function(a){void 0===a&&(a=2*Math.PI/60/60*f.autoRotateSpeed);B-=a};this.panLeft=function(a){var d=this.object.matrix.elements;u.set(d[0],d[1],d[2]);u.multiplyScalar(-a);F.add(u)};this.panUp=function(a){var d=this.object.matrix.elements;u.set(d[4],d[5],d[6]);u.multiplyScalar(a);F.add(u)};this.pan=function(a,d){var b=f.domElement===document?f.domElement.body:f.domElement;if(f.object instanceof e.PerspectiveCamera){var c=f.object.position.clone().sub(f.target).length();c*=Math.tan(f.object.fov/2*Math.PI/180);f.panLeft(2*a*c/b.clientHeight);f.panUp(2*d*c/b.clientHeight)}else f.object instanceof e.OrthographicCamera?(f.panLeft(a*(f.object.right-f.object.left)/b.clientWidth),f.panUp(d*(f.object.top-f.object.bottom)/b.clientHeight)):console.warn("WARNING: OrbitControls.js encountered an unknown camera type - pan disabled.")};this.momentum=function(){Q&&(1E-4>Math.abs(K)&&1E-4>Math.abs(L)?Q= !1:(L*=this.momentumDampingFactor,K*=this.momentumDampingFactor,C-=this.momentumScalingFactor*K,B-=this.momentumScalingFactor*L))};this.dollyIn=function(a){void 0===a&&(a=Math.pow(.95,f.zoomSpeed));f.object instanceof e.PerspectiveCamera?E/=a:f.object instanceof e.OrthographicCamera?(f.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom*a)),f.object.updateProjectionMatrix(),f.dispatchEvent(V)):console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.")}; this.dollyOut=function(a){void 0===a&&(a=Math.pow(.95,f.zoomSpeed));f.object instanceof e.PerspectiveCamera?E*=a:f.object instanceof e.OrthographicCamera?(f.object.zoom=Math.max(this.minZoom,Math.min(this.maxZoom,this.object.zoom/a)),f.object.updateProjectionMatrix(),f.dispatchEvent(V)):console.warn("WARNING: OrbitControls.js encountered an unknown camera type - dolly/zoom disabled.")};this.update=function(a){var d=this.object.position;A.copy(d).sub(this.target);A.applyQuaternion(S);R=Math.atan2(A.x, A.z);H=Math.atan2(Math.sqrt(A.x*A.x+A.z*A.z),A.y);this.autoRotate&&x===w.NONE&&this.rotateLeft(2*Math.PI/60/60*f.autoRotateSpeed);this.momentum();R+=C;H+=B;R=Math.max(this.minAzimuthAngle,Math.min(this.maxAzimuthAngle,R));H=Math.max(this.minPolarAngle,Math.min(this.maxPolarAngle,H));H=Math.max(1E-7,Math.min(Math.PI-1E-7,H));var b=A.length()*E;b=Math.max(this.minDistance,Math.min(this.maxDistance,b));this.target.add(F);A.x=b*Math.sin(H)*Math.sin(R);A.y=b*Math.cos(H);A.z=b*Math.sin(H)*Math.cos(R);A.applyQuaternion(W); d.copy(this.target).add(A);this.object.lookAt(this.target);B=C=0;E=1;F.set(0,0,0);if(1E-7<M.distanceToSquared(this.object.position)||1E-7<8*(1-N.dot(this.object.quaternion)))!0!==a&&this.dispatchEvent(V),M.copy(this.object.position),N.copy(this.object.quaternion)};this.reset=function(){x=w.NONE;this.target.copy(this.target0);this.object.position.copy(this.position0);this.object.zoom=this.zoom0;this.object.updateProjectionMatrix();this.dispatchEvent(V);this.update()};this.getPolarAngle=function(){return H}; this.getAzimuthalAngle=function(){return R};this.dispose=function(){this.domElement.removeEventListener("mousedown",c);this.domElement.removeEventListener("mousewheel",k);this.domElement.removeEventListener("DOMMouseScroll",k);this.domElement.removeEventListener("touchstart",l);this.domElement.removeEventListener("touchend",q);this.domElement.removeEventListener("touchmove",v);window.removeEventListener("keyup",p);window.removeEventListener("keydown",m)};this.domElement.addEventListener("mousedown", c,{passive:!1});this.domElement.addEventListener("mousewheel",k,{passive:!1});this.domElement.addEventListener("DOMMouseScroll",k,{passive:!1});this.domElement.addEventListener("touchstart",l,{passive:!1});this.domElement.addEventListener("touchend",q,{passive:!1});this.domElement.addEventListener("touchmove",v,{passive:!1});window.addEventListener("keyup",p,{passive:!1});window.addEventListener("keydown",m,{passive:!1});this.update()}function ca(a,b){var c=this,d={type:"change"},g=0,k=0,p=0,m=0; this.camera=a;this.camera.rotation.reorder("YXZ");this.domElement=void 0!==b?b:document;this.enabled=!0;this.deviceOrientation={};this.alphaOffsetAngle=this.alpha=this.screenOrientation=0;var l=function(a){c.deviceOrientation=a},v=function(){c.screenOrientation=window.orientation||0},q=function(a){a.preventDefault();a.stopPropagation();p=a.touches[0].pageX;m=a.touches[0].pageY},f=function(a){a.preventDefault();a.stopPropagation();g+=e.Math.degToRad((a.touches[0].pageX-p)/4);k+=e.Math.degToRad((m- a.touches[0].pageY)/4);c.updateAlphaOffsetAngle(g);p=a.touches[0].pageX;m=a.touches[0].pageY};this.connect=function(){v();window.addEventListener("orientationchange",v,{passive:!0});window.addEventListener("deviceorientation",l,{passive:!0});window.addEventListener("deviceorientation",this.update.bind(this),{passive:!0});c.domElement.addEventListener("touchstart",q,{passive:!1});c.domElement.addEventListener("touchmove",f,{passive:!1});c.enabled=!0};this.disconnect=function(){window.removeEventListener("orientationchange", v,!1);window.removeEventListener("deviceorientation",l,!1);window.removeEventListener("deviceorientation",this.update.bind(this),!1);c.domElement.removeEventListener("touchstart",q,!1);c.domElement.removeEventListener("touchmove",f,!1);c.enabled=!1};this.update=function(a){if(!1!==c.enabled){var b=c.deviceOrientation.alpha?e.Math.degToRad(c.deviceOrientation.alpha)+c.alphaOffsetAngle:0,g=c.deviceOrientation.beta?e.Math.degToRad(c.deviceOrientation.beta):0,f=c.deviceOrientation.gamma?e.Math.degToRad(c.deviceOrientation.gamma): 0,p=c.screenOrientation?e.Math.degToRad(c.screenOrientation):0,m=c.camera.quaternion,l=new e.Vector3(0,0,1),D=new e.Euler,q=new e.Quaternion,v=new e.Quaternion(-Math.sqrt(.5),0,0,Math.sqrt(.5)),h=new e.Quaternion,r=new e.Quaternion;if(0==c.screenOrientation){var n=new e.Vector3(1,0,0);h.setFromAxisAngle(n,-k)}else 180==c.screenOrientation?(n=new e.Vector3(1,0,0),h.setFromAxisAngle(n,k)):90==c.screenOrientation?(n=new e.Vector3(0,1,0),h.setFromAxisAngle(n,k)):-90==c.screenOrientation&&(n=new e.Vector3(0, 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ia(this.renderer);this.StereoEffect.setSize(this.container.clientWidth,this.container.clientHeight);this.effect=this.CardboardEffect;this.addReticle(); this.options.horizontalView&&(this.OrbitControls.minPolarAngle=Math.PI/2,this.OrbitControls.maxPolarAngle=Math.PI/2);!1!==this.options.controlBar&&this.addDefaultControlBar(this.options.controlButtons);this.options.viewIndicator&&this.addViewIndicator();this.options.reverseDragging&&this.reverseDraggingDirection();this.options.enableReticle?this.enableReticleControl():this.registerMouseAndTouchEvents();"overlay"===this.options.output&&this.addOutputElement();this.registerEventListeners();this.animate.call(this)} var 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