protected void DragWireDot(PointerRoutedEventArgs e)
{
var p = e.GetCurrentPoint(m_canvas);
Vector2 offset = new Vector2(p) - m_items_state.StartPointerPosition;
var item = m_items_state.DragedWireDot;
var pos = m_items_state.StartPosition + offset;
// var seek nodes
m_items_state.MagnetNode = BakedNodes
.Where(pair => Vector2.Length(pair.Key - pos) < (100 / m_scroll.ZoomFactor))
.OrderBy(pair => Vector2.Length(pair.Key - pos))
.Select(pair => pair.Value)
.FirstOrDefault();
if (m_items_state.MagnetNode == null)
{
m_magnet.Hide();
}
else
{
m_magnet.Show();
m_magnet.Magnet(pos, m_items_state.MagnetNode.GetOffset());
}
item.SetPosition(pos);
}
public void TranslateWireDot(Vector2 translation)
{
var item = m_items_state.DragedWireDot;
item.Translate(translation);
m_items_state.MagnetNode = BakedNodes
.Where(pair => Vector2.Length(pair.Key - item.Position) < (100 / (m_scroll == null ? 1 : m_scroll.ZoomFactor)))
.OrderBy(pair => Vector2.Length(pair.Key - item.Position))
.Select(pair => pair.Value)
.FirstOrDefault();
if (m_items_state.MagnetNode == null)
{
m_magnet.Hide();
}
else
{
m_magnet.Show();
m_magnet.Magnet(item.Position, m_items_state.MagnetNode.GetOffset());
}
}