alter vatter

DropZone.cs

@@ -0,0 +1,32 @@
+using Godot;
+
+public partial class DropZone : Control
+{
+    public override bool _CanDropData(Vector2 atPosition, Variant data)
+    {
+        return data.VariantType == Variant.Type.Object
+            && data.AsGodotObject() is MeetingControlDragData;
+    }
+
+    public override void _DropData(Vector2 atPosition, Variant data)
+    {
+        var meetingControl = ((MeetingControlDragData)data).MeetingControl;
+        var meetingPhysicsBox = meetingControl.MeetingPhysicsBox;
+
+        var main = (Main)FindParent("Main");
+        main.AddChild(meetingPhysicsBox);
+        meetingPhysicsBox.Position = GetGlobalMousePosition();
+        meetingControl.QueueFree();
+
+        meetingControl.DragIsHandled = true;
+    }
+
+    public override void _Notification(int what)
+    {
+        if (what == NotificationDragBegin)
+            MouseFilter = MouseFilterEnum.Pass;
+
+        if (what == NotificationDragEnd)
+            MouseFilter = MouseFilterEnum.Ignore;
+    }
+}