4dkankan_bim/src/utils/ConvertViews.js

import math from './math.js'

let bimViewer

export default class ConvertViews extends THREE.EventDispatcher{
    constructor() {
        super() 
    }

     
    
    bindWithSameFakeType(sourceFakeApp, targetApp){//for mobile 实际只有一个场景，未分屏，和上一个场景相比
        let sourceApp = {sceneType: sourceFakeApp.sceneType,  fakeApp:sourceFakeApp} 
 
        this.createTempApp(targetApp, true)
        
        let convertInfo = this.computeAveDiffLon(sourceFakeApp, targetApp.fakeApp)
        
        sourceApp.sceneName = 'sourceApp'
        targetApp.sceneName = 'targetApp'
         
        
        if(sourceApp.sceneType == 'laser'){
            let data = this.computeShift({sourceApp,targetApp, convertInfo}) //因为有点云模式自由移动所以需要计算
            convertInfo.convertMatrix = data.convertMatrix
            convertInfo.convertMatrixInvert = data.convertMatrixInvert
        } 
        
        this.syncView(sourceApp, targetApp, convertInfo)
        if(sourceApp.sceneType == 'kankan' || sourceFakeApp.viewInfo.isAtPano){
            this.flyToPano(targetApp, sourceFakeApp.viewInfo.currentPano,{duration:0})
        }
        
        
        if(sourceApp.sceneType == 'laser'){
            targetApp.viewer.mainViewport.view.applyToCamera(targetApp.viewer.mainViewport.camera)//使获得的cameraInfo正确
        }else if(sourceApp.sceneType == 'kankan'){ 
            targetApp.app.core.get('Player').cameraControls.activeControl.locked = false  //怎么刚加载时lock了
            targetApp.app.core.get('Player').update()//cameraControls.activeControl.update() //使获得的cameraInfo正确
        }        
    }
    
    
    
    
    bindWithSameType(sourceApp,targetApp, isSwitchScene){ 
         
        this.sourceApp = sourceApp
        this.targetApp = targetApp
        this.createTempApp(sourceApp)
        this.createTempApp(targetApp)
        
        this.convertInfo = this.computeAveDiffLon(sourceApp.fakeApp, targetApp.fakeApp)
         
        sourceApp.sceneName = 'sourceApp'
        targetApp.sceneName = 'targetApp'
        
        if(sourceApp.sceneType == 'laser'){ 
            {
                let data = this.computeShift({sourceApp,targetApp, convertInfo:this.convertInfo}) //因为有点云模式自由移动所以需要计算
                this.convertInfo.convertMatrix = data.convertMatrix
                this.convertInfo.convertMatrixInvert = data.convertMatrixInvert
            }
            //只监听左边
            let displayMode = (e)=>{
                targetApp.Potree.settings.displayMode = e.mode
            }
            sourceApp.viewer.images360.addEventListener('endChangeMode', displayMode)
                 
            let dispose = ()=>{
                if(!sourceApp.viewer || !sourceApp.viewer.images360)return
                sourceApp.viewer.images360.removeEventListener('endChangeMode', displayMode) 
                this.removeEventListener('clearBind-sameType',dispose)
            } 
            this.addEventListener('clearBind-sameType',dispose) 
        }
        
        let bind = (master, customer)=>{ //相互都能带动对方
            if(sourceApp.sceneType == 'laser'){
                
                var flyToPano = (e)=>{//同步点位
                    if(master != this.masterApp )return
                    let pano = customer.viewer.images360.getPano(e.toPano.pano.id)
                    if(!pano)return console.error('找不到该e.panoId', e.toPano.pano.id)
                    customer.viewer.images360.flyToPano({pano} )
                }
                master.viewer.images360.addEventListener('flyToPano',flyToPano)
              
                var cameraMove = (e)=>{ 
                    if(master != this.masterApp || !customer.viewer )return
                    
                    this.addViewInfo(master)
                    
                    master.fakeApp.viewInfo.quaternionChanged = e.changeInfo && e.changeInfo.quaternionChanged
                    this.syncView(master, customer) 
                } 
                master.viewer.addEventListener('camera_changed',cameraMove)
                
                
                var dragEnd = (e)=>{
                    if(customer.viewer.inputHandler.drag){
                        customer.viewer.inputHandler.onMouseUp(e) //从一侧拖拽到另一侧松开时，需要执行原先一侧的mouseup
                    }
                }
                master.addEventListener('mouseup',dragEnd)
                    
            }else if(sourceApp.sceneType == 'kankan'){
                
                
                var player1 = master.app.core.get('Player')
                var player2 = customer.app.core.get('Player')
                let this_ = this
                var flyToPano = (e)=>{//同步点位
                    if(master != this_.masterApp )return
                    let pano = player2.model.panos.index[e.panoId]
                    if(!pano)return console.error('找不到该e.panoId',e.panoId)
                    player2.flyToPano({pano} )
                }
                player1.on("flying.started",flyToPano)
                
                
                var cameraMove = (e)=>{//暂时只有漫游模式
                    if(!e.hasChanged.cameraChanged || !customer.app || !customer.app.core)return
                    
                    this.addViewInfo(master)
                    this.syncView(master, customer) 
                }
                player1.on("update",cameraMove)
                 
            }
            
            
            
            let changeMaster = ()=>{
                this.masterApp = master  //主控方。只有主控方能控制被控方。鼠标操作过mousedown mousewheel等才能认定为主控方
            }
            let dom = sourceApp.sceneType == 'laser' ? master.viewer.inputHandler.domElement : master.app.core.get('Player').domElement
            dom.addEventListener('pointerdown',changeMaster )
            dom.addEventListener('mousewheel',changeMaster )
            
           
            let dispose = ()=>{
                if(master.sceneType == 'laser'){
                    if(!master.viewer )return //master已替换，不用处理
                    master.viewer.images360.removeEventListener('flyToPano',flyToPano)
                    master.viewer.removeEventListener('camera_changed',cameraMove)
                }else if(master.sceneType == 'kankan'){
                    player1.off("flying.started",flyToPano)
                    player1.off("update",cameraMove)
                }
                
                master.removeEventListener('mousedown',changeMaster)
                master.removeEventListener('mousewheel',changeMaster)
                master.removeEventListener('mouseup',dragEnd)
                this.removeEventListener('clearBind-sameType',dispose)
            } 
            this.addEventListener('clearBind-sameType',dispose)
            
            
        }
        
        bind(sourceApp, targetApp) 
        bind(targetApp, sourceApp) 
        
        
        //切换其中一个场景后同步初始漫游点 
        if(isSwitchScene){ 
            
            setTimeout(()=>{
                let master = isSwitchScene == 'target' ? sourceApp : targetApp
                let customer = isSwitchScene == 'target' ? targetApp : sourceApp
                this.masterApp = master 
                
                this.addViewInfo(master)
                this.syncView(master, customer)
                    
                 
                if(master.sceneType == 'laser'){
                    
                    let pano = master.viewer.images360.nextPano || master.viewer.images360.currentPano
                     
                    pano && this.flyToPano(customer, pano.id,  { duration: 0, callback:()=>{
                        customer.Potree.settings.displayMode = master.Potree.settings.displayMode
                    }})
                    //master.viewer.dispatchEvent({type:'camera_changed',changeInfo:{quaternionChanged:true},viewport:master.viewer.mainViewport }) //朝向位置同步
                }else{ 
                    //master.app.core.get('Player').emit("update",{ hasChanged:{cameraChanged:true}  })//朝向同步
                    let pano = master.app.core.get('Player').nextPano || master.app.core.get('Player').currentPano
                    
                    pano && this.flyToPano(customer, pano.id,  { duration: 0 })
                } 
            },1)//要延迟，否则角度和pano都不成功
        }
        
        this.loaded = true 
    }
    
    
    
    
    
    
    bindFakeWithBim(sourceFakeApp, targetApp, panoData ){// bim和其他类型互转(mobile)
        if(!panoData)return
    
    
        let sourceApp = {sceneType: sourceFakeApp.sceneType,  fakeApp:sourceFakeApp} 
    
        this.createTempApp(targetApp)
        let {sourcePano, targetPano} = this.bimGetPanoData(sourceApp, targetApp, panoData) 
        
        let convertAxis = sourceApp.sceneType == 'kankan' ? 'YupToZup' : targetApp.sceneType == 'kankan' ? 'ZupToYup' : null
             
        let convertInfo = this.computeShift({sourcePano, targetPano, convertAxis})  
       
        console.log('convertInfo', convertInfo, sourcePano, targetPano)
         
         
        let selectBestPose = ()=>{
            
            let data = this.getTranPosData(sourceFakeApp.viewInfo, convertInfo ) 
  
            let panos = targetApp.fakeApp.panos;
            
            let panos2 = panos.sort((a,b)=>{ 
                return data.position.distanceToSquared(a.position) - data.position.distanceToSquared(b.position)
            })
            let dir = new THREE.Vector3().subVectors( data.target, data.position )
            console.log('dir', dir)
            let prop = { duration:0,}
            if(targetApp.sceneType == 'laser'){ 
                targetApp.viewer.mainViewport.view.direction = dir  
            }else{
                let player = targetApp.app.core.get('Player') 
                console.log('nearest:', panos2[0].id)
                prop.aimDuration = 0                   
                prop.lookAtPoint = new THREE.Vector3().addVectors(panos2[0].position, dir)

            } 
            this.flyToPano(targetApp, panos2[0].id, prop)     
            
            
        } 
        
        if(targetApp.sceneType == 'bim'){
            bimViewer = targetApp.viewer
            bimViewer.getViewer().setTransitionAnimationState(false)
            targetApp.CLOUD.GlobalData.WalkRotationSpeed = -0.2 //反向一下
        }
        
        //this.syncView(sourceApp, targetApp)
        if(targetApp.sceneType == 'bim' /* || this.ifCanChangePos(targetApp) */){
            
            this.syncPosRot(sourceFakeApp.viewInfo, targetApp, convertInfo) 
            
        }else if(targetApp.sceneType == 'laser' ){
            setTimeout(()=>{//一开始虽然是点云模式，但过后又变成showPano所以是没加载好
                if(this.ifCanChangePos(targetApp) ){
                    this.syncPosRot(sourceFakeApp.viewInfo, targetApp, convertInfo) 
                }else{
                    selectBestPose()
                } 
            },1000) 
        }else{//bim -> 固定点位
            selectBestPose()
             
        }
        
    }
    
    
     
     
    bindWithBim(sourceApp, targetApp, panoData ) {
        //if (!this.player1.model.panos.list.length || !this.player2.model.panos.list.length) return
        
        if(this.loaded || !targetApp ) return 
        let needBindEvent = !this.targetApp // 若targetApp存在表明targetApp的dom未换掉，事件还存在
        this.createTempApp(sourceApp)
        this.createTempApp(targetApp)
        let {sourcePano, targetPano} = this.bimGetPanoData(sourceApp, targetApp, panoData)
          
        this.sourceApp = sourceApp
        this.targetApp = targetApp
        
        let modelSize = new THREE.Vector3
        bimViewer = this.bimViewer = targetApp.viewer 
        let modelBound = bimViewer.getViewer().modelManager.boundingBox
        modelBound.getSize(modelSize)
        bimViewer.setNavigationMode(targetApp.Glodon.Bimface.Viewer.NavigationMode3D.Walk) 
        bimViewer.setFlySpeedRate(THREE.MathUtils.clamp(  modelSize.length() / 10, 1, 6)) //会被限制
        //bimViewer.getViewer().setWalkSpeedRate(2)
        
        
        
        this.sourceDom = sourceApp.sceneType == 'laser' ? this.sourceApp.viewer.inputHandler.domElement : this.sourceApp.app.core.get('Player').domElement
       
        if(targetPano){
            bimViewer.getViewer().setTransitionAnimationState(false) //setCameraStatus瞬间变化相机 ,or setCameraAnimation?
            
            
            var convertAxis = sourceApp.sceneType == 'kankan' && targetApp.sceneType == 'bim' && 'YupToZup'// Y朝上需要转换
            
            this.lastCamStatus = bimViewer.getCameraStatus()
            
            this.convertInfo = this.computeShift({sourcePano, targetPano, convertAxis})
            
            
            
            bimViewer.addEventListener('Rendered', (e)=>{//反向改变左侧相机
                 
                let info = bimViewer.getCameraStatus() 
                let poseChanged = !math.closeTo(this.lastCamStatus.position, info.position)
                    || !math.closeTo(this.lastCamStatus.target, info.target)
                    || !math.closeTo(this.lastCamStatus.fov, info.fov)
                
                if(poseChanged){ 
                    if(this.ifCanChangePos(this.sourceApp)){
                        this.send(info)
                        this.lastCamStatus = info 
                    }  
                } 
                
            })  
            
            if(needBindEvent){
                this.bindCamEvent()  
            }else{//替换的左侧的，需要使左侧和右侧同步, 其实是左侧要和上一个左侧先同步，再让右侧和左侧同步
                 
                this.bindWithSameFakeType(this.lastFakeApp, sourceApp)
                 
            }
            
            {
                
                let cameraMove
                if(sourceApp.sceneType == 'laser'){ 
                    cameraMove = e => {
                        targetApp && this.syncPosRot(this.getCameraData(sourceApp))
                    }   
                    sourceApp.viewer.addEventListener('camera_changed', cameraMove)
                }else if(sourceApp.sceneType == 'kankan'){
                    var player = this.sourceApp.app.core.get('Player')
                    //this.sourceDom = player.domElement 
                    cameraMove = (e)=>{//暂时只有漫游模式
                        if(!e.hasChanged.cameraChanged2)return
                        //console.log('cameraMove', this.getCameraData(sourceApp)) 
                        this.syncPosRot(this.getCameraData(sourceApp)) 
                    }
                    player.on("update",cameraMove) 
                } 
                 
                let dispose = ()=>{ 
                    if(sourceApp.sceneType == 'laser'){
                        //if(!sourceApp.viewer || !sourceApp.viewer.images360)return
                        sourceApp.viewer.removeEventListener('camera_changed', cameraMove)
                    }else{
                        //if(!sourceApp.app || !sourceApp.app.core)return
                        player.off("update",cameraMove) 
                    } 
                    this.removeEventListener('clearBind-sameType',dispose)
                } 
                this.addEventListener('clearBind-sameType',dispose) 
            }
            
            /* bimViewer.addEventListener(targetApp.Glodon.Bimface.Viewer.Viewer3DEvent.ViewAdded,
                ()=>{
                    this.loaded = true
                    if(this.firstData){
                        this.syncPosRot(this.firstData)
                    }
                }
            ) */
            
            
            
            let data = this.getCameraData(sourceApp)  
            this.syncPosRot(data)
            this.loaded = true
        }else{
            //分屏 不同步
            
            let data = this.getCameraData(sourceApp)
            let camera = bimViewer.getViewer().camera
            if(camera.fov != data.fov){
                camera.fov = data.fov
                camera.updateProjectionMatrix()
            }
            
            
            
            //补充control
            
            bimViewer.getViewer().animator.setDuration(60)//滚轮缩放时长，原先：1000
          
            let baseSpeed = THREE.MathUtils.clamp( modelSize.length() / 10, 1, 10)
            
            let dom = bimViewer.getDomElement();
            dom.addEventListener('mousewheel', e => {   //原版滚轮不能缩放，自己加一个
                if(e.wheelDelta == 0)return //mac
                let info = bimViewer.getCameraStatus()  
                let dis = modelBound.distanceToPoint(info.position)
                let speed = baseSpeed + dis / 8
                //console.log('speed', speed)
               
                this.bimFlyTo({forwardDis: e.wheelDelta > 0 ? speed : -speed})
            }) 
            
            //右键pan
            let dragging , pointerDelta = new THREE.Vector2, pointerStart = new THREE.Vector2
            dom.addEventListener('mousedown', e => {  
                if(e.button == 2){//右键
                    dragging = true
                    pointerStart.set(e.clientX, e.clientY)
                }
            }) 
            dom.addEventListener('mousemove', e => {   
                if(!dragging)return
                let pointerEnd = new THREE.Vector2(e.clientX, e.clientY) 
                pointerDelta.subVectors(pointerEnd, pointerStart)
                //pointerDelta.multiplyScalar(0.07)
                pointerStart.copy(pointerEnd)
                
                bimViewer.getViewer().cameraControl.pan(pointerDelta.x,pointerDelta.y)
            }) 
            targetApp.addEventListener('mouseup', e => {   
                dragging = false
            }) 
            this.sourceDom.addEventListener('mouseup', e => {   
                dragging = false 
            }) 
            this.addEventListener('globalMouseUp', e => {   
                dragging = false
            }) 
            
            targetApp.CLOUD.GlobalData.WalkRotationSpeed = -0.2 //反向一下
             
            //bimViewer.viewer.getViewer().editorManager.userInputEditor.enable = true//这句近似将control切换成orbit
            
        }    
    }
    
    
    
 
    
    
    syncPosRot(data, customer, convertInfo ){//同步 自由位置和朝向（不被漫游点束缚时）
        /* 
        if(!this.loaded){
            return this.firstData = data
        } */
        convertInfo = convertInfo || this.convertInfo
        let {position,target} = this.getTranPosData(data, convertInfo ) 
 

        if(customer && customer.sceneType == 'laser'){
            this.laserSyncView(customer, {position,target})
        }else{
            let msg = {
                position,
                target,
                up: new THREE.Vector3(0,0,1),
                //前三个缺一不可  
                fov: data.fov ,      //fov 用setCameraStatus 无效
            }
             
            bimViewer.setCameraStatus(msg)    
            this.lastCamStatus = msg //记录下来，防止反向传输
            
            let camera = bimViewer.getViewer().camera
            if(camera.fov != data.fov){
                camera.fov = data.fov
                camera.updateProjectionMatrix()
            }

        }

    }
    
    
    
    
    
    ifCanChangePos(app){
        return app.sceneType == 'laser' && app.Potree.settings.displayMode != 'showPanos'   //app.fakeApp.viewInfo.displayMode != 'showPanos'
    }
    
    

    send(info){ 
        //let camera = bimViewer.getViewer().camera
        let data = this.getTranPosData(info, this.convertInfo, true ) 
      
        this.laserSyncView(this.sourceApp, data) //左侧只有laser点云模式才能接收到
    } 

    computeAveDiffLon(sourceFakeApp, targetFakeApp) {
        //获取两个场景的lon偏差值
        //需要点的个数>1, 且两个场景点一一对应，位置接近且顺序一致

        let diffLonAve = 0, length,
            diffLons = [] 
             
        let panoPos1 = sourceFakeApp.panos.map(e=>{
            return e.position
        })
        let panoPos2 = targetFakeApp.panos.map(e=>{
            return e.position
        })    
             
        length = panoPos1.length

        //挑选连续的两个点为向量来计算，如有123个漫游点，则选取12 23 31作为向量

        let index = 0
        while (index < length) {
            let pos11 = new THREE.Vector3().copy(panoPos1[index])
            let pos12 = new THREE.Vector3().copy(panoPos1[(index + 1) % length])
            let pos21 = new THREE.Vector3().copy(panoPos2[index])
            let pos22 = new THREE.Vector3().copy(panoPos2[(index + 1) % length])
            let vec1 = new THREE.Vector3().subVectors(pos11, pos12).setY(0)
            let vec2 = new THREE.Vector3().subVectors(pos21, pos22).setY(0)
            let diffLon = math.getAngle(vec1, vec2, 'z')
            diffLons.push(diffLon)
            diffLonAve += diffLon
            index++
        }

        console.log('diffLons', diffLons)
        diffLonAve /= length
        console.log('diffLonAve', diffLonAve)
        
        let diffQua = new THREE.Quaternion().setFromAxisAngle(new THREE.Vector3(0, 1, 0), diffLonAve) 
        
        return {
            diffLon : diffLonAve,
            diffQua  ,
            diffQuaInvert : diffQua.clone().invert() 
        } 
        
    }

    computeShift(o={}/* sourcePano, targetPano */) { //获取两个场景的旋转和位移偏差值
        //需要点的个数>1, 且两个场景点一一对应，位置接近且顺序一致
        
        let panoPos1, panoPos2
         
        if(o.sourceApp && o.targetApp && o.sourceApp.sceneType == o.targetApp.sceneType){
            var angle = o.convertInfo.diffLon; //直接使用 更精准
            panoPos1 = o.sourceApp.fakeApp.panos.map(e=>{
                return e.position
            })
            panoPos2 = o.targetApp.fakeApp.panos.map(e=>{
                return e.position
            }) 
        }else{
            panoPos1 = o.sourcePano.map(e=>e.position) //pick两个点来计算
            panoPos2 = o.targetPano.map(e=>e.position)
             
            if(o.convertAxis){
                panoPos1 = panoPos1.map(e=>math.convertVector[o.convertAxis](e))
            }
            var vec1 = new THREE.Vector3().subVectors(panoPos1[0], panoPos1[1]) //旧的向量
            var vec2 = new THREE.Vector3().subVectors(panoPos2[0], panoPos2[1])//新的向量
   
            var angle = math.getAngle(vec1, vec2, 'z')
        }
        
        //var scale = vec2.length()/vec1.length() 
        //var scaleMatrix = new THREE.Matrix4().makeScale(scale,scale,scale)   //默认为1, 但由于坐标暂时是自己采集的，所以结果会是第一个点附近比较正确，越远偏差越大
        var matrix = new THREE.Matrix4().setPosition(panoPos1[0].clone().negate())//先以点0为基准平移到000
        //matrix.premultiply(scaleMatrix)//再缩放
        var rotateMatrix = new THREE.Matrix4().makeRotationAxis(new THREE.Vector3(0,0,1), angle );
        matrix.premultiply(rotateMatrix)//和旋转
        var moveBackMatrix = new THREE.Matrix4().setPosition(panoPos2[0])
        matrix.premultiply(moveBackMatrix)//再移动到realPosition的点0处


        return { convertMatrix:  matrix, convertMatrixInvert:matrix.clone().invert(), convertAxis:o.convertAxis}
          

    }
    
    
     
    /* 
        laser暂时做成这样： 全景模式时不跟踪pos，跟踪pano变化。点云模式时也跟踪pano变化，但移动时完全跟踪位置变化 ，所以会有左边marker在脚下，右边marker不在脚下的情况。
        
    */
    
    getCameraData(app){ 
        if(app.sceneType == 'laser'){
            let camera = app.viewer.mainViewport.camera
            return {
                position: camera.position.clone(),
                quaternion: camera.quaternion.clone(),
                fov: camera.fov,
            }
        }else if(app.sceneType == 'kankan'){
            let player = app.app.core.get('Player')
            return {
                position: player.position.clone(),
                quaternion: player.quaternion.clone(),
                fov: player.zoomFov,
            }
        }else{
            let bimViewer = app.viewer
            let info = bimViewer.getCameraStatus();
            return {
                position: info.position,
                target: info.target,
                fov: info.fov,
            }
        }     
    }
    
    
    createTempApp(app, addsubInfo){//for mobile 
          
        let fakeApp = {
            isFake : true, //标志是虚拟的app。每个真实的app都要带一个这个。在移动端如果大的销毁了还有小的
            sceneType : app.sceneType 
        }
        if(app.sceneType != 'bim'){
            function getPanos(panos){ // only data
                return panos.map(e=>{return {id:e.id, position:e.position, quaternion:e.quaternion}})
            }   
            fakeApp.panos = app.sceneType == 'laser' ? getPanos(app.viewer.images360.panos) : getPanos(app.app.core.get('Player').model.panos.list) 
        }
         
        app.fakeApp = fakeApp
        
        if(addsubInfo){
            this.addViewInfo(app) 
        } 
        return fakeApp
    }
    
    addViewInfo(app){
        let viewInfo 
        let cameraData = this.getCameraData(app)
        if(app.sceneType == 'laser'){
            let images360 = app.viewer.images360
            viewInfo = {
                displayMode : app.Potree.settings.displayMode,
                currentPano :  images360.currentPano && images360.currentPano.id,
                isAtPano : images360.isAtPano(),
                quaternionChanged : true,
                
            } 
        }else if(app.sceneType == 'kankan'){
            let player = app.app.core.get('Player')
            viewInfo = {
                currentPano : player.currentPano.id,
                lon : player.cameraControls.activeControl.lon,
                lat : player.cameraControls.activeControl.lat,
                zoomLevel : player.zoomLevel,
            }
        }else{
            viewInfo = {}
        }
        
        
        for(let i in cameraData){
            viewInfo[i] = cameraData[i]
        }
         
        
        app.fakeApp.viewInfo = viewInfo
        
    }
    
    
    /* getPano(app){
        return app.sceneType == 'laser' ? app.viewer.images360.getPano(id) : app.app.core.get('Player').panos.index[id]
    } */
    
    syncView(master, customer, convertInfo ){//同类型 相当于moveCamera的函数 
        let fakeApp = master.fakeApp;
        convertInfo = convertInfo || this.convertInfo
        if(fakeApp.sceneType == 'laser'){
            customer.Potree.settings.displayMode = fakeApp.viewInfo.displayMode
            if(fakeApp.viewInfo.isAtPano || fakeApp.viewInfo.displayMode == 'showPanos'){ //不改变漫游点，仅转换朝向 
                if( fakeApp.viewInfo.quaternionChanged){
             
                    let diffQua = customer == this.targetApp ? convertInfo.diffQua : convertInfo.diffQuaInvert
                    let quaternion = fakeApp.viewInfo.quaternion.clone().premultiply(diffQua)
                    let rotation = new THREE.Euler().setFromQuaternion(quaternion)  
                    customer.viewer.mainViewport.view.rotation = rotation
                    //console.log('cameraMove',customer == this.targetApp) 
                }
                if(fakeApp.viewInfo.displayMode == 'showPanos' ){
                    if(customer.viewer.mainViewport.camera.fov != fakeApp.viewInfo.fov){
                        customer.viewer.mainViewport.camera.fov = fakeApp.viewInfo.fov
                        customer.viewer.mainViewport.camera.updateProjectionMatrix()
                    }
                }
            }else{//转换朝向和位置 
                this.syncPosRot(fakeApp.viewInfo, customer , convertInfo) 
            } 
        }else if(fakeApp.sceneType == 'kankan'){
            let player = customer.app.core.get('Player')
            let diffLon = THREE.Math.radToDeg(customer == this.sourceApp ? -convertInfo.diffLon : convertInfo.diffLon)
            player.cameraControls.controls.panorama.lon = fakeApp.viewInfo.lon + diffLon
            player.cameraControls.controls.panorama.lat = fakeApp.viewInfo.lat
            
            if(player.zoomLevel != fakeApp.viewInfo.zoomLevel){
                player.zoomTo(fakeApp.viewInfo.zoomLevel)
            }
        }
        
        
    }
    
    
    bimGetPanoData(sourceApp, targetApp, panoData){
        if(panoData){
            let sourcePano,targetPano 
            let pano1 = [{position:new THREE.Vector3().copy(panoData.p1.position)},{position:new THREE.Vector3().copy(panoData.p2.position)}]
            
            let getPano2 = (app)=>{
                return [app.fakeApp.panos.find(e=>e.id == panoData.p1.id), app.fakeApp.panos.find(e=>e.id == panoData.p2.id)] 
            }
            
            if(targetApp.sceneType == 'bim'){ 
                targetPano = pano1 
                sourcePano = getPano2(sourceApp)
            }else{ 
                targetPano = getPano2(targetApp) 
                sourcePano = pano1
            }
            
            if( !sourcePano[0] || !sourcePano[1] || !targetPano[0] || !targetPano[1] ){
                console.error('!sourcePano[0] || !sourcePano[1] || !targetPano[0] || !targetPano[1]')
            }
            
            
            return {sourcePano, targetPano} 
        }else return {}
    }
    
    
    getTranPosData(data, convertInfo, ifRevert ){
        let position = new THREE.Vector3, target = new THREE.Vector3
        
        if(data.position){
            position = new THREE.Vector3().copy(data.position)
        } 
        if(!data.target){
            if(data.quaternion){ 
                let dir = new THREE.Vector3(0, 0, -1).applyQuaternion(data.quaternion)
                target.copy(position).add(dir) 
            }
        }else{ 
            target.copy(data.target) 
        } 
        
        if(ifRevert){
            position.applyMatrix4(convertInfo.convertMatrixInvert)
            target.applyMatrix4(convertInfo.convertMatrixInvert)
            if(convertInfo.convertAxis){
                position = math.convertVector[convertInfo.convertAxis](position)
                target = math.convertVector[convertInfo.convertAxis](target)
            }
        }else{
            if(convertInfo.convertAxis){
                position = math.convertVector[convertInfo.convertAxis](position)
                target = math.convertVector[convertInfo.convertAxis](target)
            }

            position.applyMatrix4(convertInfo.convertMatrix)
            target.applyMatrix4(convertInfo.convertMatrix)
        }
        return {position, target}
    }
    bimFlyTo(data){
        let info = bimViewer.getCameraStatus() 
        let dir = new THREE.Vector3().subVectors(info.target, info.position).normalize()
        let position = data.position
        if(!position){
            position = new THREE.Vector3().addVectors(info.position, dir.clone().multiplyScalar(data.forwardDis))//forwardDis：前进距离
       
        }
        
        let target = new THREE.Vector3().addVectors(position, dir)
        let msg = {
            position,
            target,
            up: new THREE.Vector3(0,0,1),
            //前三个缺一不可  
            
        } 
        bimViewer.setCameraStatus(msg)
        
    }
    
    flyToPano(app, panoId, o={}){
        if(app.sceneType == 'laser'){ 
            app.viewer.images360.cancelFlyToPano() 
            app.viewer.images360.flyToPano(Object.assign({},{ 
                pano: app.viewer.images360.getPano(panoId)
            },o)) 
        }else{
            let player = app.app.core.get('Player')
            player.flyToPano(Object.assign({},{ 
                pano: player.model.panos.index[panoId]
            },o))
             
        }  
    }

    laserSyncView(app,data){
        app.viewer.mainViewport.view.position.copy(data.position)
        app.viewer.mainViewport.view.lookAt(data.target)
    }
    

    lockCamera(locked){//禁止操作改变相机
        this.locked = locked 
        this.updateCtrlEnable() 
    }

    setPanoMode(state){
        this.isPanoMode = state
        this.updateCtrlEnable()
    }

    updateCtrlEnable(){
        this.bimViewer.camera3D.enableRotate(this.locked ? false : true)
        this.bimViewer.enableShortcutKey((this.locked || this.isPanoMode) ? false : true) //键盘移动
    }
    bindCamEvent(){//传递到另一边的dom 
        this.lockCamera(true)
        
        
        /* this.targetApp.addEventListener(this.targetApp.Glodon.Bimface.Viewer.Viewer3DEvent.MouseClicked,(e)=>{
            console.log('MouseClicked',e)
        }); */
        let dom1 = this.bimViewer.getDomElement() 
        
        let getEvent = (type, e)=>{
          
            let clientWidth1 = this.sourceDom.clientWidth
            let clientHeight1 = this.sourceDom.clientHeight
            let clientWidth2 = dom1.clientWidth
            let clientHeight2 = dom1.clientHeight
            return new MouseEvent(type, {
                bubbles: false,//?
                cancelable: true,
                view: this.sourceApp,
                
                /* clientX: e.clientX, 
                clientY: e.clientY, */ 
                clientX: clientWidth1 * e.clientX / clientWidth2 , //鼠标在右屏的比例的左屏的相同，针对右屏全屏等左右不对称的情况
                clientY: clientHeight1 * e.clientY / clientHeight2,
                button: e.button, buttons: e.buttons,  which: e.which,
                altKey: e.altKey, ctrlKey: e.ctrlKey, shiftKey:e.shiftKey, metaKey: e.metaKey, 
                detail:e.detail, 
                //target :  dom2  
            });
            
        }  
        
        
        //let pointerDownPos = new THREE.Vector2
        dom1.addEventListener('mousedown',(e)=>{
            let event = getEvent('mousedown', e)
            this.sourceApp && this.sourceDom.dispatchEvent(event)  
            //pointerDownPos.set(e.clientX,e.clientY)
        })
        dom1.addEventListener('mousemove',(e)=>{
            let event = getEvent('mousemove', e)
            this.sourceApp && this.sourceDom.dispatchEvent(event)  
        })
        dom1.addEventListener('mouseup',(e)=>{  
            if(!this.sourceApp)return
            let event = getEvent('mouseup', e)
            event.unableClick = true //最好禁止右侧点击行走。否则和点击效果冲突
            if(this.sourceApp.sceneType == 'laser'){
                this.sourceApp.dispatchEvent(event)   //mouseup 在laser中加在window上的 
            }else{
                let player = this.sourceApp.app.core.get('Player')
                player.mouseCouldBeClickToMove = false  //dont click
                this.sourceDom.dispatchEvent(event)
            }
             
        })
        dom1.addEventListener('mousewheel',(e)=>{
            let event = getEvent('mousewheel', e)
            event.wheelDelta = e.wheelDelta  //wheelDelta没法在getEvent参数中赋值
            this.sourceApp && this.sourceDom.dispatchEvent(event)  
        })
        let stop = (e)=>{ //drag到另一边时停止旋转， 防止转到另一边
            let event = getEvent('mouseup', e)
            this.sourceApp && this.sourceApp.dispatchEvent(event)   
        }
        dom1.addEventListener('mouseout',stop)
        dom1.addEventListener('mouseover',stop)
    
    }

    clear(o={}){
        this.loaded = false;
        
        
        
        if(o.dontClearTarget){
            if(this.sourceApp){
                this.lastFakeApp = this.sourceApp.fakeApp //记住当前左屏
                this.addViewInfo(this.sourceApp)
            }
        }else{ 
            this.targetApp = null
            this.lastFakeApp = null
        }
        
        this.sourceApp = null;
        this.dispatchEvent({type:'clearBind-sameType'})
        window.Log('clear done')
    }
 
}



/* 

note:


旋转只能通过target设置, 不能直接改camera.quaternion
当且仅当发送方相机属性变化后才传递过来，就不在这里判断是否变化了。
（所以只需要实时检测相机是否改变， hasChanged后发送）

 */