Big fix patch for enemy behaviors

Zennysoft.Game.Ma/src/enemy/Enemy2D.cs

@@ -12,12 +12,12 @@ public abstract partial class Enemy2D : Enemy
 
   [Node] private Area3D LineOfSight { get; set; } = default!;
 
-  [Node] private RayCast3D Raycast { get; set; } = default!;
-
   public override IEnemyModelView EnemyModelView => _enemyModelView;
 
   [Node] private EnemyModelView2D _enemyModelView { get; set; } = default!;
 
+  private Vector3 _previousPosition = Vector3.Zero;
+
   public void OnEnterTree()
   {
     LineOfSight.BodyEntered += LineOfSight_BodyEntered;
@@ -28,6 +28,19 @@ public abstract partial class Enemy2D : Enemy
     _enemyModelView.SetCurrentDirection(GlobalBasis, -_player.GlobalBasis.Z);
   }
 
+  public override void _Process(double delta)
+  {
+    if (_enemyLogic.Value is EnemyLogic.State.FollowPlayer || _enemyLogic.Value is EnemyLogic.State.Patrolling)
+    {
+      var velocity = (GlobalPosition - _previousPosition) / (float)delta;
+      if (velocity.IsZeroApprox())
+        _enemyLogic.Input(new EnemyLogic.Input.Idle());
+      else
+        _enemyLogic.Input(new EnemyLogic.Input.Move());
+      _previousPosition = GlobalPosition;
+    }
+  }
+
   protected void PlayerDetector_BodyEntered(Node3D node)
   {
     if (node is IPlayer)
@@ -53,18 +66,7 @@ public abstract partial class Enemy2D : Enemy
 
   private void LineOfSight_BodyEntered(Node3D body)
   {
-    var overlappingBodies = LineOfSight.GetOverlappingBodies();
-    foreach (var _ in overlappingBodies)
-    {
-      if (Raycast.GlobalPosition != _player.GlobalPosition)
-        Raycast.LookAt(_player.GlobalPosition, Vector3.Up);
-      Raycast.ForceRaycastUpdate();
-      if (Raycast.IsColliding())
-      {
-        var collider = Raycast.GetCollider();
-        if (collider is IPlayer)
-          _enemyLogic.Input(new EnemyLogic.Input.Alert());
-      }
-    }
+    if (body is IPlayer)
+      _enemyLogic.Input(new EnemyLogic.Input.Alert());
   }
 }