private void OnMouseAnyEvent(MouseEventArgs e)
{
APlotVM viewModel = ViewModel;
if (viewModel == null)
{
return;
}
Viewport3D viewPort = this.GetViewport();
Point mousePosition = e.GetPosition(this);
Ray3D ray = viewPort.GetRay(mousePosition);
IList <HitResult> hitResult = viewPort.FindHits(mousePosition);
Model3D[] hits = new Model3D[hitResult.Count];
for (int i = 0; i < hitResult.Count; i++)
{
hits[i] = hitResult[i].Model;
}
MouseInput mouseInput = new MouseInput(e.LeftButton, e.MiddleButton, e.RightButton,
ray.PlaneIntersection(new Point3D(), new Vector3D(0, 0, 1)),
hits);
viewModel.UserInput(mouseInput);
}
private void OnSetViewModel(APlotVM viewModelOld)
{
if (viewModelOld != null)
{
viewModelOld.PropertyChanged -= PlotPropertyChanged;
}
if (ViewModel != null)
{
ViewModel.PropertyChanged += PlotPropertyChanged;
Visual3DModel = ViewModel.Model3d;
}
else
{
Visual3DModel = null;
}
}