!function(t,e){"object"==typeof exports&&"object"==typeof module?module.exports=e(require("three")):"function"==typeof define&&define.amd?define(["three"],e):"object"==typeof exports?exports.THREEx=e(require("three")):t.THREEx=e(t.THREE)}(this,t=>(()=>{"use strict";var e={818(e){e.exports=t}},i={};function o(t){var n=i[t];if(void 0!==n)return n.exports;var s=i[t]={exports:{}};return e[t](s,s.exports,o),s.exports}o.d=(t,e)=>{for(var i in e)o.o(e,i)&&!o.o(t,i)&&Object.defineProperty(t,i,{enumerable:!0,get:e[i]})},o.o=(t,e)=>Object.prototype.hasOwnProperty.call(t,e),o.r=t=>{"undefined"!=typeof Symbol&&Symbol.toStringTag&&Object.defineProperty(t,Symbol.toStringTag,{value:"Module"}),Object.defineProperty(t,"__esModule",{value:!0})};var n={};o.r(n),o.d(n,{DeviceOrientationControls:()=>g,LocationBased:()=>a,WebcamRenderer:()=>h});class s{constructor(){this.EARTH=40075016.68,this.HALF_EARTH=20037508.34}project(t,e){return[this.lonToSphMerc(t),this.latToSphMerc(e)]}unproject(t){return[this.sphMercToLon(t[0]),this.sphMercToLat(t[1])]}lonToSphMerc(t){return t/180*this.HALF_EARTH}latToSphMerc(t){return Math.log(Math.tan((90+t)*Math.PI/360))/(Math.PI/180)*this.HALF_EARTH/180}sphMercToLon(t){return t/this.HALF_EARTH*180}sphMercToLat(t){var e=t/this.HALF_EARTH*180;return 180/Math.PI*(2*Math.atan(Math.exp(e*Math.PI/180))-Math.PI/2)}getID(){return"epsg:3857"}}var r=o(818);class a{constructor(t,e,i={}){this._scene=t,this._camera=e,this._proj=new s,this._eventHandlers={},this._lastCoords=null,this._gpsMinDistance=0,this._gpsMinAccuracy=100,this._maximumAge=0,this._watchPositionId=null,this.setGpsOptions(i),this.initialPosition=null,this.initialPositionAsOrigin=i.initialPositionAsOrigin||!1,this.useAltitude=i.useAltitude||!1}setProjection(t){this._proj=t}setGpsOptions(t={}){void 0!==t.gpsMinDistance&&(this._gpsMinDistance=t.gpsMinDistance),void 0!==t.gpsMinAccuracy&&(this._gpsMinAccuracy=t.gpsMinAccuracy),void 0!==t.maximumAge&&(this._maximumAge=t.maximumAge)}startGps(t=0){return null===this._watchPositionId&&(this._watchPositionId=navigator.geolocation.watchPosition(t=>{this._gpsReceived(t)},t=>{this._eventHandlers.gpserror?this._eventHandlers.gpserror(t.code):alert(`GPS error: code ${t.code}`)},{enableHighAccuracy:!0,maximumAge:0!=t?t:this._maximumAge}),!0)}stopGps(){return null!==this._watchPositionId&&(navigator.geolocation.clearWatch(this._watchPositionId),this._watchPositionId=null,!0)}fakeGps(t,e,i=null,o=0){null!==i&&this.setElevation(i),this._gpsReceived({coords:{longitude:t,latitude:e,accuracy:o}})}lonLatToWorldCoords(t,e){const i=this._proj.project(t,e);if(this.initialPositionAsOrigin){if(!this.initialPosition)throw"Trying to use 'initial position as origin' mode with no initial position determined";i[0]-=this.initialPosition[0],i[1]-=this.initialPosition[1]}return[i[0],-i[1]]}add(t,e,i,o){this.setWorldPosition(t,e,i,o),this._scene.add(t)}setWorldPosition(t,e,i,o){const n=this.lonLatToWorldCoords(e,i);void 0!==o&&(t.position.y=o),[t.position.x,t.position.z]=n}setElevation(t){this._camera.position.y=t}on(t,e){this._eventHandlers[t]=e}setWorldOrigin(t,e){this.initialPosition=this._proj.project(t,e)}_gpsReceived(t){let e=Number.MAX_VALUE;t.coords.accuracy<=this._gpsMinAccuracy&&(null===this._lastCoords?this._lastCoords={latitude:t.coords.latitude,longitude:t.coords.longitude}:e=this._haversineDist(this._lastCoords,t.coords),e>=this._gpsMinDistance&&(this._lastCoords.longitude=t.coords.longitude,this._lastCoords.latitude=t.coords.latitude,this.initialPositionAsOrigin&&!this.initialPosition&&this.setWorldOrigin(t.coords.longitude,t.coords.latitude),this.setWorldPosition(this._camera,t.coords.longitude,t.coords.latitude,this.useAltitude&&null!=t.coords.altitude?t.coords.altitude:void 0),this._eventHandlers.gpsupdate&&this._eventHandlers.gpsupdate(t,e)))}_haversineDist(t,e){const i=r.MathUtils.degToRad(e.longitude-t.longitude),o=r.MathUtils.degToRad(e.latitude-t.latitude),n=Math.sin(o/2)*Math.sin(o/2)+Math.cos(r.MathUtils.degToRad(t.latitude))*Math.cos(r.MathUtils.degToRad(e.latitude))*(Math.sin(i/2)*Math.sin(i/2));return 2*Math.atan2(Math.sqrt(n),Math.sqrt(1-n))*6371e3}}class h{constructor(t,e){let i;this.renderer=t,this.renderer.autoClear=!1,this.sceneWebcam=new r.Scene,void 0===e?(i=document.createElement("video"),i.setAttribute("autoplay",!0),i.setAttribute("playsinline",!0),i.style.display="none",document.body.appendChild(i)):i=document.querySelector(e),this.geom=new r.PlaneGeometry,this.texture=new r.VideoTexture(i),this.material=new r.MeshBasicMaterial({map:this.texture});const o=new r.Mesh(this.geom,this.material);if(this.sceneWebcam.add(o),this.cameraWebcam=new r.OrthographicCamera(-.5,.5,.5,-.5,0,10),navigator.mediaDevices&&navigator.mediaDevices.getUserMedia){const t={video:{width:1280,height:720,facingMode:"environment"}};navigator.mediaDevices.getUserMedia(t).then(t=>{console.log("using the webcam successfully..."),i.srcObject=t,i.play()}).catch(t=>{setTimeout(()=>{this.createErrorPopup("Webcam Error\nName: "+t.name+"\nMessage: "+t.message)},1e3)})}else setTimeout(()=>{this.createErrorPopup("sorry - media devices API not supported")},1e3)}update(){this.renderer.clear(),this.renderer.render(this.sceneWebcam,this.cameraWebcam),this.renderer.clearDepth()}dispose(){this.material.dispose(),this.texture.dispose(),this.geom.dispose()}createErrorPopup(t){if(!document.getElementById("error-popup")){var e=document.createElement("div");e.innerHTML=t,e.setAttribute("id","error-popup"),document.body.appendChild(e)}}}const c=new r.Vector3(0,0,1),d=new r.Euler,l=new r.Quaternion,u=new r.Quaternion(-Math.sqrt(.5),0,0,Math.sqrt(.5)),p={type:"change"};class g extends r.EventDispatcher{constructor(t){super(),!1===window.isSecureContext&&console.error("THREE.DeviceOrientationControls: DeviceOrientationEvent is only available in secure contexts (https)");const e=this,i=new r.Quaternion;this.object=t,this.object.rotation.reorder("YXZ"),this.enabled=!0,this.deviceOrientation={},this.screenOrientation=0,this.alphaOffset=0,this.TWO_PI=2*Math.PI,this.HALF_PI=.5*Math.PI,this.orientationChangeEventName="ondeviceorientationabsolute"in window?"deviceorientationabsolute":"deviceorientation",this.smoothingFactor=1;const o=function(t){e.deviceOrientation=t},n=function(){e.screenOrientation=window.orientation||0};this.connect=function(){n(),void 0!==window.DeviceOrientationEvent&&"function"==typeof window.DeviceOrientationEvent.requestPermission?window.DeviceOrientationEvent.requestPermission().then(t=>{"granted"===t&&(window.addEventListener("orientationchange",n),window.addEventListener(e.orientationChangeEventName,o))}).catch(function(t){console.error("THREE.DeviceOrientationControls: Unable to use DeviceOrientation API:",t)}):(window.addEventListener("orientationchange",n),window.addEventListener(e.orientationChangeEventName,o)),e.enabled=!0},this.disconnect=function(){window.removeEventListener("orientationchange",n),window.removeEventListener(e.orientationChangeEventName,o),e.enabled=!1},this.update=function(){if(!1===e.enabled)return;const t=e.deviceOrientation;if(t){let o=t.alpha?r.MathUtils.degToRad(t.alpha)+e.alphaOffset:0,n=t.beta?r.MathUtils.degToRad(t.beta):0,s=t.gamma?r.MathUtils.degToRad(t.gamma):0;const a=e.screenOrientation?r.MathUtils.degToRad(e.screenOrientation):0;if(this.smoothingFactor<1){if(this.lastOrientation){const t=this.smoothingFactor;o=this._getSmoothedAngle(o,this.lastOrientation.alpha,t),n=this._getSmoothedAngle(n+Math.PI,this.lastOrientation.beta,t),s=this._getSmoothedAngle(s+this.HALF_PI,this.lastOrientation.gamma,t,Math.PI)}else n+=Math.PI,s+=this.HALF_PI;this.lastOrientation={alpha:o,beta:n,gamma:s}}!function(t,e,i,o,n){d.set(i,e,-o,"YXZ"),t.setFromEuler(d),t.multiply(u),t.multiply(l.setFromAxisAngle(c,-n))}(e.object.quaternion,o,this.smoothingFactor<1?n-Math.PI:n,this.smoothingFactor<1?s-this.HALF_PI:s,a),8*(1-i.dot(e.object.quaternion))>1e-6&&(i.copy(e.object.quaternion),e.dispatchEvent(p))}},this._orderAngle=function(t,e,i=this.TWO_PI){return e>t&&Math.abs(e-t)<i/2||t>e&&Math.abs(e-t)>i/2?{left:t,right:e}:{left:e,right:t}},this._getSmoothedAngle=function(t,e,i,o=this.TWO_PI){const n=this._orderAngle(t,e,o),s=n.left,r=n.right;n.left=0,n.right-=s,n.right<0&&(n.right+=o);let a=r==e?(1-i)*n.right+i*n.left:i*n.right+(1-i)*n.left;return a+=s,a>=o&&(a-=o),a},this.dispose=function(){e.disconnect()},this.connect()}}return n})());