Cleanup movement

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>

lib/features/entities/entity.dart

@@ -1,3 +1,5 @@
+import 'package:wolf_dart/classes/coordinate_2d.dart';
+
 enum EntityState { staticObj, idle, patrolling, shooting, pain, dead }
 
 abstract class Entity<T> {
@@ -18,4 +20,6 @@ abstract class Entity<T> {
     this.mapId = 0,
     this.lastActionTime = 0,
   });
+
+  Coordinate2D get position => Coordinate2D(x, y);
 }