private static void MyCurrentCamPropertyChangedCallback(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
ViewFrustumFunctions vf = d as ViewFrustumFunctions;
object newVal = e.NewValue;
HelixToolkit.SharpDX.ProjectionCamera cam = newVal as HelixToolkit.SharpDX.ProjectionCamera;
if (vf != null && cam != null && vf.SynchrCam)
{
// clear children list
vf.Children.Clear();
// get the size of the viewport
double parentH = 0;
double parentW = 0;
Viewport3DX parent = vf.Parent as Viewport3DX;
if (parent != null)
{
vf.CurrentPos = parent.CurrentPosition;
parentH = parent.ActualHeight;
parentW = parent.ActualWidth;
//var test = parent.Parent;
}
// add new View Frustum
vf.DefineViewFrustum(cam, parentH, parentW);
vf.BuildViewFrustumModel();
}
}
