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效果

原理与源码

获取角度，然后一直更改角度，角度到达180度后赋值成-180度，然后转到开始获取的角度的角度的时候就停止旋转

            function rotateModel(layerID){
              let bearing = map.getPaintProperty(layerID,"model-rotation")
              let afterBearing = [0,0,bearing[2]+1]
              let interval =setInterval(()=>{
                if(afterBearing[2] ==bearing[2]){
                  clearInterval(interval)
                }else{
                  if(afterBearing[2]==180){
                    afterBearing[2] = -180
                    map.setPaintProperty(layerID,"model-rotation",afterBearing,)
                  }else{
                    afterBearing=[0,0,afterBearing[2]+1]
                    map.setPaintProperty(layerID,"model-rotation",afterBearing,)
                  }
                }
              },0)
            }