细节调整

线路材质&位置调整，海拔图区间优化，loading动画只执行一次问题解决，小地图的球替换成圆形图片

Assets/Scenes/Ride/Scripts/MiniMapPlayerController.cs

@@ -7,9 +7,16 @@ namespace Assets.Scenes.Ride.Scripts
     {
         private AbstractPlayer _player;
         private AbstractMap _map;
+        RectTransform RectRoot;
+        GameObject arrow;
+        Camera _minicamera;
         private void Awake()
         {
             _map = transform.parent.Find("MiniMap").GetComponent<AbstractMap>();
+            _minicamera = transform.parent.Find("MiniCamera").GetComponent<Camera>();
+            RectRoot = transform.parent.Find("SingleUI/Panel/MiniMap/MiniMap").GetComponent<RectTransform>();
+            var parent = transform.parent.Find("SingleUI/Panel/MiniMap/MiniMap");
+            arrow = Instantiate(Resources.Load<GameObject>("UI/Prefab/Ride/MiniArrow"), parent);
         }
         public void SetController(AbstractPlayer player)
         {
@@ -24,6 +31,9 @@ namespace Assets.Scenes.Ride.Scripts
                 if (_player != null)
                 {
                     transform.localPosition = _map.GeoToWorldPosition(_player.Currentlatlong);
+                    var tr = arrow.GetComponent<RectTransform>();
+                    Vector2 vp2 = _minicamera.WorldToViewportPoint(transform.localPosition);//将三维物体的世界坐标转换为视口坐标
+                    tr.anchoredPosition = new Vector2((vp2.x * RectRoot.sizeDelta.x) - (RectRoot.sizeDelta.x * 0.5f), (vp2.y * RectRoot.sizeDelta.y) - (RectRoot.sizeDelta.y * 0.5f));
                 }
                 t = 1;
             }