function newSite(x,y,z,h,p,time,ids){
	if(x!=null&&y!=null&&z!=null&&h!=null&&p!=null&&time!=null&&ids!=null){
		this.position_x=x;
		this.position_y=y;
		this.position_z=z;
		this.pitch=p;
		this.heading=h;
		this.time=time;
		this.ids=ids;
	}else{
		return false;
	}
}
function Fly_NZC(viewer){
	this.viewer=viewer;
	this.scene=viewer.scene;
	this.entities=viewer.entities;
	//全部飞行站点数组
	this.allSites=[];
	var that =this;
	this.checkIds=function(ids){
        for(var i=0;i<that.allSites.length+1;i++){
            if(i==that.allSites.length){
                return false;
            	break;
            }
	    	if(that.allSites[i].ids==ids){
	    	    return i;
	    	    break;
	    	}
	    }
	};
	this.RouteCollection={
	 	//线颜色
	 	//LineColor:Cesium.Color.WHITE,
	 	//站点和路线显隐是否开启
	    point_show:true,
	    line_show:true,
	 	//站点图片路径
	 	img_path:"widgets/FlyRoute/images/location4.png",
	 	 //飞行路线颜色
	   /* setLineColor:function(){
	    	Cesium.Color.WHITE,
	    },*/
	    AddRoute:function(Route){
	    	this.deleteEntities();
	    	that.allSites=[];
	    	for (var i = 0; i < Route.length; i++) {
	    		let cartesian3 = Cesium.Cartesian3.fromDegrees(Route[i].lgtd, Route[i].lttd, Route[i].height);
	    		let site = {"ids":Route[i].id,"position_x":cartesian3.x,"position_y":cartesian3.y,"position_z":cartesian3.z,
	    					"pitch":Cesium.Math.toRadians(Route[i].pitch),"heading":Cesium.Math.toRadians(Route[i].heading),
	    					"roll":Cesium.Math.toRadians(Route[i].roll),"time":Route[i].time};
	    		that.allSites[i]=site;
	    	}
            this.controlEntities();

	    },
	    //设置点图片
	    setPointImg:function(path){
	    	
	    	this.img_path=path;
	    	this.controlEntities();
	        
	    },
	    //mod=0为设置点的可见，1为设置线的可见,2为控制点和线的可见
	    setVisible:function(mod,bool){
	        if(mod===0){
		        this.point_show=bool;
		    }if(mod===1){
		        this.line_show=bool;
		    }if(mod===2){
		        this.point_show=bool;
		        this.line_show=bool;
		    }
		    this.controlEntities();
	    	
	    },
	    //通过传入站点类添加站点
	    AddSite:function(newSite){
	    	//判断id是否重复
	    	var bool=that.checkIds(newSite.ids);
	    	if(bool){
                return  false;
	    	}else{
		    	var Site = {};
			    Site.position_x=newSite.position_x;
			    Site.position_y=newSite.position_y; 
			    Site.position_z=newSite.position_z;
			    Site.heading=newSite.heading;
			    Site.pitch=newSite.pitch;
			    //Site.roll=camera.roll;
			    Site.time=newSite.time;
			    Site.ids=newSite.ids;
	            that.allSites.push(Site);
	            this.controlEntities();
	            return  true;
	        }
	    },
	 	//添加当前视角为站点需要传入id
	    AddSiteByView:function (ids) {
	    	//判断id是否重复
	    	var bool=that.checkIds(ids);
	    	if(bool){
                return  false;
	    	}else{
	    		try{
		        	var position=that.scene.camera.position;
			        //获取当前相机位置参数(飞行用)
			    	var Site = {};
			        Site.position_x=position.x;
			        Site.position_y=position.y; 
			        Site.position_z=position.z;
			        Site.heading=that.scene.camera.heading;
			        Site.pitch=that.scene.camera.pitch;
			        Site.roll=that.scene.camera.roll;
			        Site.time=3;
			        Site.ids=ids;
			        //添加到站点数组
			        that.allSites.push(Site);
			        this.controlEntities();
			        console.log(that.allSites);
			        return  true;
			    }catch(e){
			        return  false;
			    }

	    	}        
	    },
	    //根据索引获取站点信息
	    getSiteByIndex:function (index) {
	    	return that.allSites[index];
	    },
	    deleteEntities:function(){
	    	//50000+为线id
	    	for(var i=0;i<that.allSites.length;i++){
	            that.entities.removeById(that.allSites[i].ids);
	        }
	        for(var i=1;i<500000;i++){
	            var ids=parseInt(50000+i);
	            var entities_del=that.entities.getById(ids);
	            if(entities_del){
	                    that.entities.remove(entities_del);
	            }else{
	                break;
	            }
		   
	        }
	    },
	    controlEntities:function(){
	    	var position_1,position_2,x1,x2,y1,y2,z1,z2,point_1_cartographic,point_2_cartographic;
	    	//添加和删除站点,更改颜色或图片后，先清空entities,然后重新添加。
	        this.deleteEntities();
	        //添加显示的站点
	       	var length=that.allSites.length;
	       	if(this.point_show==true){
	         	for(var j=0;j<length;j++){
		            that.entities.add({
		                position : new Cesium.Cartesian3(that.allSites[j].position_x,that.allSites[j].position_y,that.allSites[j].position_z),
		                billboard :{
		                    image :this.img_path,
		                    width:30,
		                    height:40,
		                },
		                //name : 10000+j,
		                id:that.allSites[j].ids
		            });
		        }
	       	}
	       	//添加显示的线
	       	if(this.line_show==true){
	            for(var j=1;j<length;j++){
	            	//将笛卡尔坐标转为经纬度坐标，用于绘制线
	            	position_1=new Cesium.Cartesian3(that.allSites[j].position_x,that.allSites[j].position_y,that.allSites[j].position_z)
		            point_1_cartographic = Cesium.Cartographic.fromCartesian(position_1);
				    x1 = Cesium.Math.toDegrees(point_1_cartographic.longitude);
				    y1 = Cesium.Math.toDegrees(point_1_cartographic.latitude);
				    z1 = point_1_cartographic.height;

				    position_2=new Cesium.Cartesian3(that.allSites[j-1].position_x,that.allSites[j-1].position_y,that.allSites[j-1].position_z)
		            point_2_cartographic = Cesium.Cartographic.fromCartesian(position_2);
				    x2 = Cesium.Math.toDegrees(point_2_cartographic.longitude);
				    y2 = Cesium.Math.toDegrees(point_2_cartographic.latitude);
				    z2 = point_2_cartographic.height;
	                that.entities.add({
	                  	id:50000+j,
	                   // name : drowallStops.length,
	                    polyline : {
	                        positions : Cesium.Cartesian3.fromDegreesArrayHeights([x1,y1,z1,x2,y2,z2]),
	                        width : 5,
	                        material : Cesium.Color.WHITE
	                    }
	                });
	                     
	            }  
	        }
	       //如果关闭显示了站点和飞行路线，添加的新站点和飞行路线将先不显示
	       if(this.line_show==false){
	       	    for(var j=1;j<length;j++){
	       	    	//将笛卡尔坐标转为经纬度坐标，用于绘制线
	            	position_1=new Cesium.Cartesian3(that.allSites[j].position_x,that.allSites[j].position_y,that.allSites[j].position_z)
		            point_1_cartographic = Cesium.Cartographic.fromCartesian(position_1);
				    x1 = Cesium.Math.toDegrees(point_1_cartographic.longitude);
				    y1 = Cesium.Math.toDegrees(point_1_cartographic.latitude);
				    z1 = point_1_cartographic.height;

				    position_2=new Cesium.Cartesian3(that.allSites[j-1].position_x,that.allSites[j-1].position_y,that.allSites[j-1].position_z)
		            point_2_cartographic = Cesium.Cartographic.fromCartesian(position_2);
				    x2 = Cesium.Math.toDegrees(point_2_cartographic.longitude);
				    y2 = Cesium.Math.toDegrees(point_2_cartographic.latitude);
				    z2 = point_2_cartographic.height;
	                that.entities.add({
	                  	id:50000+j,
	                  	show:false,
	                   // name : drowallStops.length,
	                    polyline : {
	                        positions : Cesium.Cartesian3.fromDegreesArrayHeights([x1,y1,z1,x2,y2,z2]),
	                        width : 5,
	                        material :  Cesium.Color.WHITE
	                    }
	                });
	                     
	            }  

	       }
	       if(this.point_show==false){
	         	for(var j=0;j<length;j++){
			       	that.entities.add({
				        position : new Cesium.Cartesian3(that.allSites[j].position_x,that.allSites[j].position_y,that.allSites[j].position_z),
				        billboard :{
				            image :this.img_path,
				            width:30,
				            height:40,
				        },
				        show:false,
				        //name : 10000+j,
				        id:that.allSites[j].ids
				    });
				}   
	        }
	    },
	    removeAllSites:function(){
	    	this.deleteEntities();
	    	that.allSites=[];
	    	
	    },
	    removeSiteById:function(ids){
	    	var id=that.checkIds(ids)
	    	if(id){
	    		this.deleteEntities();
	    		that.allSites.splice(id,1);
	    		this.controlEntities();
	    	    
	    	}else{
	    		return false
	    	}
	    	
	    }
	  
	 };
	this.l=0;
	this.b=0;
	//用于判断执行的时暂停还是停止
	this.play_bool=true;
	var x,y,z,p,h;
	this.setInterval_fly=null;
    this.setcamera=function(){
    	 //设置俯仰角
    	   var set=that.allSites[that.l].time*50
		    that.viewer.camera.setView({
		        orientation: {
		            heading :viewer.scene.camera.heading+h/set, 
		            pitch :viewer.scene.camera.pitch+p/set,
		            roll : 0.0                             
		        }
		    });
		    //move移动相机
		    that.viewer.camera.move(new Cesium.Cartesian3(x,y,z),1/set);
			that.b--;
		    if(that.b<=0){
		    	that.l++;
		        clearInterval(that.setInterval_fly);
		        that.setInterval_fly=null;
		        that.Interval();
		       // that.b=0;
		    }
    };
	this.Interval=function(){
		var l=that.l;
		if(that.play_bool){
            that.b=that.allSites[l].time*50
		}else{
			that.play_bool=true;
		}
	    if(that.allSites[l+1]){
		    x=that.allSites[l+1].position_x-that.allSites[l].position_x;
			y=that.allSites[l+1].position_y-that.allSites[l].position_y;
			z=that.allSites[l+1].position_z-that.allSites[l].position_z;
			p=that.allSites[l+1].pitch-that.allSites[l].pitch;
			h=that.allSites[l+1].heading-that.allSites[l].heading;
			
			var tem = Cesium.Math.toDegrees(that.allSites[l+1].heading) - Cesium.Math.toDegrees(that.allSites[l].heading);
			if(Math.abs(tem)>180){
				if(tem>=0){
					tem = 360 - tem;
				}
				else{
					tem = 360 + tem;
				}
				h = Cesium.Math.toRadians(tem);
			}
			//that.b=that.allSites[l].time*20
		    that.setInterval_fly=setInterval(that.setcamera,20);
		}else{
			that.play_bool=true;
			that.l=0;
			that.scene.screenSpaceCameraController.enableRotate = true;
	        that.scene.screenSpaceCameraController.enableTranslate = true;
	        that.scene.screenSpaceCameraController.enableZoom = true;
	        that.scene.screenSpaceCameraController.enableTilt = true;
	        that.scene.screenSpaceCameraController.enableLook = true;
		}
			
	};

	this.flyManager={
		//用于储存暂停时的位置
		Site_pause:{},
	 	play:function(){
	 		//如果之前点的时停止重新开始飞行
	 		if(that.allSites.length>1){
		 			that.scene.screenSpaceCameraController.enableRotate = false;
	                that.scene.screenSpaceCameraController.enableTranslate = false;
	                that.scene.screenSpaceCameraController.enableZoom = false;
	                that.scene.screenSpaceCameraController.enableTilt = false;
	                that.scene.screenSpaceCameraController.enableLook = false;
	 		    if(that.play_bool){
	                //设置初始点
	                 that.scene.camera.setView({
	                    destination : new Cesium.Cartesian3(that.allSites[that.l].position_x,that.allSites[that.l].position_y,that.allSites[that.l].position_z),
	                    orientation : {
	                        heading : that.allSites[that.l].heading,
	                        pitch : that.allSites[that.l].pitch,
	                        roll : that.allSites[that.l].roll
	                    }
	                });
	                that.Interval();
	 		    }else{
		 			//如果之前是暂停，继续飞行
		 			that.scene.camera.setView({
		                    //将经度、纬度、高度的坐标转换为笛卡尔坐标
		               destination : new Cesium.Cartesian3(this.Site_pause.position_x,this.Site_pause.position_y,this.Site_pause.position_z),
		               orientation : {
		                    heading : this.Site_pause.heading,
		                    pitch : this.Site_pause.pitch,
		                    roll : this.Site_pause.roll
		                }
		            });
		            that.Interval();
	 		    }
	 	    }
	 		
	 	},
	    stop:function(){
	    	if( that.setInterval_fly!=null){
	    		clearInterval(that.setInterval_fly);
		        that.setInterval_fly=null;
	    	}
	    	that.l=0;
		    that.play_bool=true;
		    that.scene.screenSpaceCameraController.enableRotate = true;
	        that.scene.screenSpaceCameraController.enableTranslate = true;
	        that.scene.screenSpaceCameraController.enableZoom = true;
	        that.scene.screenSpaceCameraController.enableTilt = true;
	        that.scene.screenSpaceCameraController.enableLook = true;
	    },
	    pause:function(){
    
	    	if( that.setInterval_fly!=null){
	    		clearInterval(that.setInterval_fly);
		        that.setInterval_fly=null;
		        that.play_bool=false;
	    	}
	    	//获取暂停时的camera数据
	    	var position=that.scene.camera.position;
		    this.Site_pause.position_x=position.x;
		    this.Site_pause.position_y=position.y; 
		    this.Site_pause.position_z=position.z;
		    this.Site_pause.heading=that.scene.camera.heading;
		    this.Site_pause.pitch=that.scene.camera.pitch;
		    this.Site_pause.roll=that.scene.camera.roll;
	    	

	    	that.scene.screenSpaceCameraController.enableRotate = true;
	        that.scene.screenSpaceCameraController.enableTranslate = true;
	        that.scene.screenSpaceCameraController.enableZoom = true;
	        that.scene.screenSpaceCameraController.enableTilt = true;
	        that.scene.screenSpaceCameraController.enableLook = true;

	    },
	    SetStartSite:function(ids){
	    	var bool=that.checkIds(ids);
	    	if(bool){
                that.l=bool;
                return true;
	    	}else{
	    		return false;
	    	}

	    },
	    viewToSite:function(site){
	    	that.scene.camera.setView({
	           destination : new Cesium.Cartesian3(site.position_x,site.position_y,site.position_z),
	           orientation : {
	               heading : site.heading,
	               pitch : site.pitch,
	               roll : site.roll
	            }
	      	}); 

	    }

	};
}