(4ad359147) Fix an index out of array exception when trying to set the update order (draw order) while the updateList contains no elements.

Barotrauma/BarotraumaShared/Source/Physics/PhysicsBody.cs

@@ -252,6 +252,18 @@ namespace Barotrauma
             private set;
         }
 
+        public Vector2 LinearVelocity
+        {
+            get;
+            private set;
+        }
+
+        public float AngularVelocity
+        {
+            get;
+            private set;
+        }
+
         public readonly float Timestamp;
         public readonly UInt16 ID;