优化线速度 平均值

Project.FLY.Thick.Blowing/FLY.Thick.Blowing/Server/BlowingDetect.cs

@@ -1192,9 +1192,20 @@ namespace FLY.Thick.Blowing.Server
 
                 DateTime dt2 = mRollList[mRollList.Count - cnt].dt;
 
+                DateTime dt11 = mRollList[mRollList.Count - (cnt - 1)].dt;
+
                 TimeSpan ts_last = TimeSpan.FromTicks((dt1 - dt2).Ticks / (cnt - 1));//5次的平均滤波
-                TimeSpan ts_now = DateTime.Now - dt1;
-                TimeSpan ts_max = (ts_now > (ts_last + ts_last)) ? ts_now : ts_last;
+                TimeSpan ts_now = TimeSpan.FromTicks((DateTime.Now - dt11).Ticks / (cnt - 1));
+                TimeSpan ts_max;
+                if (ts_now > (ts_last + ts_last))
+                {
+                    ts_max = ts_now;
+                }
+                else
+                {
+                    ts_max = ts_last;
+                }
+
                 FilmVelocity = RollPerimeter / 1000.0 / ts_max.TotalMinutes;
 
                 BufTotalTime = DateTime.Now - mRollList[0].dt;