/// <summary>
/// Occurs whenever the draggableElement is changed
/// </summary>
/// <param name="d"></param>
/// <param name="e"></param>
private static void DraggableChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
DragCanvas Target = d as DragCanvas;
Target.dragcontent.Children.Clear();
if (e.NewValue != null)
{
Target.Visibility = Visibility.Visible;
Target.dragcontent.Children.Add(e.NewValue as UserControl);
}
else
{
Target.Visibility = Visibility.Hidden;
}
}
private void DragQuery(object sender, MouseEventArgs e)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
DragCanvas Target = sender as DragCanvas;
Point CursorLocation = e.GetPosition(Target);
Size n = Target.RenderSize;
double OffsetX = CursorLocation.X - (double)MyDraggableElement.ActualWidth * MouseOffset.Width;
double OffsetY = CursorLocation.Y - (double)MyDraggableElement.ActualHeight * MouseOffset.Height;
Canvas.SetLeft(MyDraggableElement, OffsetX);
Canvas.SetTop(MyDraggableElement, OffsetY);
Drag(MyDraggableElement, e);
}
else
{
UserControl Data = MyDraggableElement;
MyDraggableElement = null;
DragStop(Data, e);
}
}
private void MyDragCanvas_DragQuery(object sender, MouseEventArgs e)
{
DragCanvas DragSender = sender as DragCanvas;
UserControl DragElement = DragSender.MyDraggableElement;
//Get The hitbox of the draggable Element
Point DragLocation = DragElement.TranslatePoint(default(Point), this);
Size DragSize = DragElement.RenderSize;
Rect DragHitBox = new Rect(DragLocation, DragSize);
var PF = playingField.GridContent;
Point FieldLocation = PF.TranslatePoint(default(Point), this);
Size FieldSize = PF.RenderSize;
Rect FieldHitBox = new Rect(FieldLocation, FieldSize);
//Check if there is a HitBoxOverLap
bool hitboxOverlap = HitBoxOverlap(DragHitBox, FieldHitBox);
//the Draggable Element is hovering over the FieldHitbox,
if (hitboxOverlap)
{
playingField.FindSpace(DragElement);
}
playingField.debug.Content += $" \n touch? {hitboxOverlap}";
}