细节调整

Assets/Scripts/Scenes/Ride/Scripts/ChartDataSourceScript.cs

@@ -37,7 +37,19 @@ namespace Assets.Scenes.Ride.Scripts
             var current = i * targetPoints;
             if (current >= max)
             {
-                return current - targetPoints > 0? current - targetPoints : 0;
+                current = current - targetPoints > 0? current - targetPoints : 0;
+            }
+           
+            var ss = mData.Count - targetPoints;
+            var interval = currentIndex - current;
+            int mid = (int)(graph.DataSource.HorizontalViewSize / 2);
+            //是否到达中间及以后的位置
+            var isReachMid = interval >= mid;
+            //海拔图是否已经全部加载
+            var isReachEnd = currentIndex >= mData.Count - targetPoints && currentIndex <= mData.Count;
+            if (isReachMid && !isReachEnd)
+            {
+                current = current + interval- mid;
             }
             return current;
         }