init

Meeting.cs

@@ -0,0 +1,79 @@
+using System;
+using Godot;
+
+public partial class Meeting : RigidBody2D
+{
+    private bool _mouseInside;
+    private bool _isDragging;
+    private Vector2 _dragTarget;
+
+    public override void _Ready()
+    {
+        FreezeMode = FreezeModeEnum.Kinematic;
+
+        MouseEntered += () =>
+        {
+            _mouseInside = true;
+            CanSleep = false;
+        };
+        MouseExited += () =>
+        {
+            _mouseInside = false;
+            CanSleep = true;
+        };
+    }
+
+    public override void _UnhandledInput(InputEvent @event)
+    {
+        // TODO: probably memory problem
+        if (@event is InputEventMouse mouseEvent)
+        {
+            if (_mouseInside)
+            {
+                if (mouseEvent.IsPressed() && mouseEvent.ButtonMask == MouseButtonMask.Left)
+                {
+                    GD.Print("Start Dragging");
+                    StartDragging();
+                }
+            }
+        }
+
+        if (_isDragging && @event is InputEventMouseButton { Pressed: false })
+        {
+            GD.Print("Let me free");
+            StopDragging();
+        }
+    }
+
+    public override void _PhysicsProcess(double delta)
+    {
+        _dragTarget = GetGlobalMousePosition();
+    }
+
+    public override void _IntegrateForces(PhysicsDirectBodyState2D state)
+    {
+        if (!_isDragging)
+            return;
+
+        var t = state.Transform;
+        t.Origin = _dragTarget;
+
+        state.Transform = t;
+        state.LinearVelocity = Vector2.Zero;
+        state.AngularVelocity = 0;
+    }
+
+    private void StartDragging()
+    {
+        Freeze = true;
+        _isDragging = true;
+        CollisionLayer = 0;
+    }
+
+    private void StopDragging()
+    {
+        Freeze = false;
+        _isDragging = false;
+        CollisionLayer = 1;
+    }
+}