void view_TrackerDown(object sender, NodeTrackerEventArgs e)
{
Point3dAttribute p = null;
Point3D pt = new Point3D(e.DeltaX, e.DeltaY, e.DeltaZ);
m_hit = null;
foreach (IAttribute atr in Node.Attributes)
{
if (atr is Point3dAttribute)
{
p = atr as Point3dAttribute;
if (p.DistanceTo(pt) < radius)
m_hit = p;
}
}
if (m_hit == null)
{
m_hit = new Point3dAttribute(Node, e.DeltaX, e.DeltaY, e.DeltaZ);
Node.Add(m_hit);
}
Node.Update();
}
void view_TrackerUp(object sender, NodeTrackerEventArgs e)
{
if (m_hit != null)
{
m_hit.Value = new Point3D(e.DeltaX, e.DeltaY, e.DeltaZ);
Node.Update();
}
m_hit = null;
}
