public override void Update(float elapsed)
{
base.Update(elapsed);
MouseState current = Mouse.GetState();
Vector2 mouse = new Vector2(current.X, current.Y);
if ((current.X != previous.X || current.Y != previous.Y) && dragging != null)
{
dragging.Position = mouse + dragOffset;
}
if (current.LeftButton == ButtonState.Pressed && previous.LeftButton != ButtonState.Pressed)
{
dragging = menu.GetControlAt(mouse);
if (dragging != null)
{
dragOffset = dragging.Position - mouse;
}
}
if (current.LeftButton != ButtonState.Pressed && previous.LeftButton == ButtonState.Pressed)
{
if (dragging != null)
{
dragging.HandleMessage(Messages.SetPosition, dragging.Position);
dragging = null;
}
}
previous = current;
}