Use NewtonComplex movement and call SetTrueAnomalyIndex on NewtonMoveIcon each physics update

Author: behindcurtain3

Pulsar4X/GameEngine/Movement/MoveState.cs

@@ -323,7 +323,7 @@ public static void ProcessForType(NewtonMoveDB movedb, DateTime atDateTime)
             movedb.OwningEntity.SetDataBlob(stateDB);
         }
 
-        stateDB.MoveType = PositionDB.MoveTypes.NewtonSimple;
+        stateDB.MoveType = PositionDB.MoveTypes.NewtonComplex;
         // Only update parent if it has changed to avoid expensive SetParent operation
         if (stateDB.Parent != movedb.SOIParent)
             stateDB.SetParent(movedb.SOIParent);

Pulsar4X/Pulsar4X.Client/Rendering/Icons/NewtonMoveIcon.cs

@@ -158,6 +158,11 @@ public override void OnPhysicsUpdate()
                 _ke = ke;
                 CreatePointArray();
             }
+            else
+            {
+                //update the true anomaly index so the trail follows the ship
+                SetTrueAnomalyIndex();
+            }
 
             if (_newtonMoveDB.ManuverDeltaVLen > 0)
             {

Pulsar4X/Pulsar4X.Client/Rendering/Icons/NewtonSimpleIcon.cs

@@ -137,9 +137,10 @@ public override void OnPhysicsUpdate()
                 _ke = ke;
                 CreatePointArray();
             }
-
             else
             {
+                //update the true anomaly index so the trail follows the ship
+                SetTrueAnomalyIndex();
                 _thrustLinePoints[1] = Vector2.Zero;
             }
         }