export function UpdateTrain(camera,traindata,control){
  if(traindata != undefined ){

    for(let j=traindata.group.children.length-1;j>=0;j--){
      //判断是否有移动事件
      if(traindata.group.children[j].dispose == false){

        if(traindata.group.children[j].progress != null){

          let trainmodel = traindata.group.children[j];
          if(trainmodel.speeds > 0 && trainmodel.speeds){
            let speed = null;
            if(traindata.group.children[j].progress<1){

              let movecurve = trainmodel.curve;

              if(trainmodel.status == "03"){
                if(movecurve.points.length>1){
                  let point = movecurve.getPointAt(traindata.group.children[j].progress);
                  if(Math.abs( point.z -trainmodel.children[0].matrixWorld.elements[14]) >0.1){
                    trainmodel.children[0].up = new THREE.Vector3(-1,0,0);
                    let tangent = movecurve.getTangentAt(traindata.group.children[j].progress).normalize();
                    trainmodel.children[0].axis.crossVectors(trainmodel.children[0].up, tangent).normalize();
                    let radians = Math.acos(trainmodel.children[0].up.dot(tangent));
                    trainmodel.children[0].quaternion.setFromAxisAngle(trainmodel.children[0].axis, radians);
                    let rotas = {
                      posr:point,
                      rota:trainmodel.children[0].rotation.y
                    }
                    trainmodel.children[1].rotalist.push(rotas);

                    let offsetz = parseFloat(trainmodel.children[0].matrixWorld.elements[14]) - parseFloat(point.z);
                    trainmodel.children[0].position.z += offsetz;
                    //trainmodel.position.z = point.z;
                  }

                  trainmodel.position.x = point.x;
                  trainmodel.position.y = 0;

                  if(trainmodel.children[1].rotalist.length > 0 || trainmodel.children[2].rotalist.length > 0 || trainmodel.children[3].rotalist.length > 0 || trainmodel.children[4].rotalist.length > 0|| trainmodel.children[5].rotalist.length > 0){
                    for(let rs = 1;rs<6;rs++){
                      //console.log(rs);
                      if(trainmodel.children[rs].rotalist[0]){
                        let offsetz = parseFloat(trainmodel.children[rs].matrixWorld.elements[14]) - parseFloat(trainmodel.children[rs].rotalist[0].posr.z);

                        trainmodel.children[rs].position.z += offsetz;

                        for(let xh=0;xh<trainmodel.children[rs].rotalist.length;xh++){
                          if((trainmodel.children[rs].matrixWorld.elements[12]-38)<=trainmodel.children[rs].rotalist[0].posr.x){

                            if(rs != 5){
                              let asd = trainmodel.children[rs].rotalist[0];
                              trainmodel.children[rs+1].rotalist.push(asd);

                            }

                            trainmodel.children[rs].rotation.y = trainmodel.children[rs].rotalist[0].rota;
                            trainmodel.children[rs].rotalist.splice(0,1)
                            xh--;
                          }else{
                            xh = trainmodel.children[rs].rotalist.length;
                          }
                        }
                        //console.log(trainmodel.children[rs].rotalist.length);
                      }
                    }
                  }
                  trainmodel.progress += trainmodel.speeds;
                }
              }

              if(trainmodel.status == "02"){
                if(movecurve.points.length>1){
                  let point = movecurve.getPointAt(trainmodel.progress);
                  if(Math.abs( point.z -trainmodel.children[0].matrixWorld.elements[14]) >0.1){
                    trainmodel.children[0].up = new THREE.Vector3(1,0,0);
                    let tangent = movecurve.getTangentAt(traindata.group.children[j].progress).normalize();
                    trainmodel.children[0].axis.crossVectors(trainmodel.children[0].up, tangent).normalize();
                    let radians = Math.acos(trainmodel.children[0].up.dot(tangent));
                    trainmodel.children[0].quaternion.setFromAxisAngle(trainmodel.children[0].axis, radians);

                    let rotas = {
                      posr:point,
                      rota:trainmodel.children[0].rotation.y
                    }
                    trainmodel.children[1].rotalist.push(rotas);
                    let offsetz = parseFloat(point.z) - parseFloat(trainmodel.children[0].matrixWorld.elements[14]);
                    trainmodel.children[0].position.z += offsetz;
                    //trainmodel.position.z = point.z;
                  }

                  trainmodel.position.x = point.x;
                  trainmodel.position.y = 0;
                  if(trainmodel.children[1].rotalist.length > 0 || trainmodel.children[2].rotalist.length > 0 || trainmodel.children[3].rotalist.length > 0 || trainmodel.children[4].rotalist.length > 0|| trainmodel.children[5].rotalist.length > 0){

                    for(let rs = 1;rs<6;rs++){
                        //console.log(rs);
                        if(trainmodel.children[rs].rotalist[0]){

                          let offsetz = parseFloat(trainmodel.children[rs].rotalist[0].posr.z) - parseFloat(trainmodel.children[rs].matrixWorld.elements[14]);
                          trainmodel.children[rs].position.z += offsetz;

                          for(let xh=0;xh<trainmodel.children[rs].rotalist.length;xh++){
                            if((trainmodel.children[rs].matrixWorld.elements[12]+38)>=trainmodel.children[rs].rotalist[0].posr.x){

                              if(rs != 5){
                                let asd = trainmodel.children[rs].rotalist[0];
                                trainmodel.children[rs+1].rotalist.push(asd);

                              }
                              //let offsetx = trainmodel.children[1].matrixWorld.elements[12]-trainmodel.children[0].children[3].matrixWorld.elements[12];

                              trainmodel.children[rs].rotation.y = trainmodel.children[rs].rotalist[0].rota;
                              trainmodel.children[rs].rotalist.splice(0,1)
                              xh--;
                            }else{
                              xh = trainmodel.children[rs].rotalist.length;
                            }
                          }
                          //console.log(trainmodel.children[rs].rotalist.length);

                        }


                    }
                    // console.log(trainmodel.rotalist);
                  }


                  trainmodel.progress += trainmodel.speeds;
                }
              }

            }

          }else if(trainmodel.speeds < 0 && trainmodel.speeds){
            let speed = null;
            if(traindata.group.children[j].progress<1){

              let movecurve = trainmodel.curve;

              if(trainmodel.status == "03"  && trainmodel.progress>0){
                if(movecurve.points.length>1){
                  let point = movecurve.getPointAt(traindata.group.children[j].progress);
                  if(Math.abs( point.z -trainmodel.children[0].matrixWorld.elements[14]) >0.1){
                    trainmodel.children[0].up = new THREE.Vector3(-1,0,0);
                    let tangent = movecurve.getTangentAt(traindata.group.children[j].progress).normalize();
                    trainmodel.children[0].axis.crossVectors(trainmodel.children[0].up, tangent).normalize();
                    let radians = Math.acos(trainmodel.children[0].up.dot(tangent));
                    trainmodel.children[0].quaternion.setFromAxisAngle(trainmodel.children[0].axis, radians);
                    let rotas = {
                      posr:point,
                      rota:trainmodel.children[0].rotation.y
                    }
                    trainmodel.children[1].rotalist.push(rotas);

                    let offsetz = parseFloat(trainmodel.children[0].matrixWorld.elements[14]) - parseFloat(point.z);
                    trainmodel.children[0].position.z += offsetz;
                    //trainmodel.position.z = point.z;
                  }

                  trainmodel.position.x = point.x;
                  trainmodel.position.y = 0;

                  if(trainmodel.children[1].rotalist.length > 0 || trainmodel.children[2].rotalist.length > 0 || trainmodel.children[3].rotalist.length > 0 || trainmodel.children[4].rotalist.length > 0|| trainmodel.children[5].rotalist.length > 0){
                    for(let rs = 1;rs<6;rs++){
                      //console.log(rs);
                      if(trainmodel.children[rs].rotalist[0]){
                        let offsetz = parseFloat(trainmodel.children[rs].matrixWorld.elements[14]) - parseFloat(trainmodel.children[rs].rotalist[0].posr.z);

                        trainmodel.children[rs].position.z += offsetz;

                        for(let xh=0;xh<trainmodel.children[rs].rotalist.length;xh++){
                          if((trainmodel.children[rs].matrixWorld.elements[12]-38)<=trainmodel.children[rs].rotalist[0].posr.x){

                            if(rs != 5){
                              let asd = trainmodel.children[rs].rotalist[0];
                              trainmodel.children[rs+1].rotalist.push(asd);

                            }

                            trainmodel.children[rs].rotation.y = trainmodel.children[rs].rotalist[0].rota;
                            trainmodel.children[rs].rotalist.splice(0,1)
                            xh--;
                          }else{
                            xh = trainmodel.children[rs].rotalist.length;
                          }
                        }
                        //console.log(trainmodel.children[rs].rotalist.length);
                      }
                    }
                  }
                  if(trainmodel.progress > -(trainmodel.speeds)){
                    trainmodel.progress += trainmodel.speeds;
                  }

                }
              }

              if(trainmodel.status == "02"){
                if(movecurve.points.length>1 && trainmodel.progress>0){

                  let point = movecurve.getPointAt(trainmodel.progress);
                  if(Math.abs( point.z -trainmodel.children[0].matrixWorld.elements[14]) >0.1){
                    trainmodel.children[0].up = new THREE.Vector3(1,0,0);
                    let tangent = movecurve.getTangentAt(traindata.group.children[j].progress).normalize();
                    trainmodel.children[0].axis.crossVectors(trainmodel.children[0].up, tangent).normalize();
                    let radians = Math.acos(trainmodel.children[0].up.dot(tangent));
                    trainmodel.children[0].quaternion.setFromAxisAngle(trainmodel.children[0].axis, radians);

                    let rotas = {
                      posr:point,
                      rota:trainmodel.children[0].rotation.y
                    }
                    trainmodel.children[1].rotalist.push(rotas);
                    let offsetz = parseFloat(point.z) - parseFloat(trainmodel.children[0].matrixWorld.elements[14]);
                    trainmodel.children[0].position.z += offsetz;
                    //trainmodel.position.z = point.z;
                  }

                  trainmodel.position.x = point.x;
                  trainmodel.position.y = 0;
                  if(trainmodel.children[1].rotalist.length > 0 || trainmodel.children[2].rotalist.length > 0 || trainmodel.children[3].rotalist.length > 0 || trainmodel.children[4].rotalist.length > 0|| trainmodel.children[5].rotalist.length > 0){

                    for(let rs = 1;rs<6;rs++){
                        //console.log(rs);
                        if(trainmodel.children[rs].rotalist[0]){

                          let offsetz = parseFloat(trainmodel.children[rs].rotalist[0].posr.z) - parseFloat(trainmodel.children[rs].matrixWorld.elements[14]);
                          trainmodel.children[rs].position.z += offsetz;

                          for(let xh=0;xh<trainmodel.children[rs].rotalist.length;xh++){
                            if((trainmodel.children[rs].matrixWorld.elements[12]+38)>=trainmodel.children[rs].rotalist[0].posr.x){

                              if(rs != 5){
                                let asd = trainmodel.children[rs].rotalist[0];
                                trainmodel.children[rs+1].rotalist.push(asd);

                              }
                              //let offsetx = trainmodel.children[1].matrixWorld.elements[12]-trainmodel.children[0].children[3].matrixWorld.elements[12];

                              trainmodel.children[rs].rotation.y = trainmodel.children[rs].rotalist[0].rota;
                              trainmodel.children[rs].rotalist.splice(0,1)
                              xh--;
                            }else{
                              xh = trainmodel.children[rs].rotalist.length;
                            }
                          }
                          //console.log(trainmodel.children[rs].rotalist.length);

                        }


                    }
                    // console.log(trainmodel.rotalist);
                  }


                  if(trainmodel.progress > -(trainmodel.speeds)){
                    trainmodel.progress += trainmodel.speeds;
                  }
                }
              }

            }
          }
        }
      }

    }

  }

}