private void OnShowSimplifiedShadowCheckBoxCheckedChanged(object sender, RoutedEventArgs e)
{
if (!this.IsLoaded)
{
return;
}
if (ShowSimplifiedShadowCheckBox.IsChecked ?? false)
{
if (MainDXViewportView.DXScene != null)
{
if (_simplifiedShadowObjectsRenderingQueue == null)
{
// Create a custom RenderingQueue that will contain our simplified Model3D.
// The objects in this RenderingQueue will not be rendered with standard rendering (IsRenderedWithCustomRenderingStep = true)
// but will be only rendered when shadow objects are rendered (setting _planarShadowRenderingProvider.FilterRenderingQueuesFunction)
_simplifiedShadowObjectsRenderingQueue = new RenderingQueue("SimplifiedShadowObjectsRenderingQueue")
{
IsRenderedWithCustomRenderingStep = true // prevent rendering objects in this queue with standard rendering
};
MainDXViewportView.DXScene.AddRenderingQueueBefore(_simplifiedShadowObjectsRenderingQueue, MainDXViewportView.DXScene.BackgroundRenderingQueue);
}
_planarShadowRenderingProvider.FilterRenderingQueuesFunction = delegate(RenderingQueue queue)
{
return(ReferenceEquals(queue, _simplifiedShadowObjectsRenderingQueue));
};
}
if (_simplifiedVisual3D == null)
{
var simplifiedModel3D = CreateSimplifiedModel3D(_loadedModel3D);
_simplifiedVisual3D = simplifiedModel3D.CreateModelVisual3D();
// This object will be put into our custom rendering queue
_simplifiedVisual3D.SetDXAttribute(DXAttributeType.CustomRenderingQueue, _simplifiedShadowObjectsRenderingQueue);
}
MainViewport.Children.Add(_simplifiedVisual3D);
}
else
{
if (_simplifiedVisual3D != null)
{
MainViewport.Children.Remove(_simplifiedVisual3D);
}
if (_planarShadowRenderingProvider != null)
{
_planarShadowRenderingProvider.FilterRenderingQueuesFunction = null; // Reset the filter method - this will render all standard rendering queues again
}
}
}
private void AddOverlayObject(ModelVisual3D modelVisual3D)
{
modelVisual3D.SetDXAttribute(DXAttributeType.CustomRenderingQueue, MainDXViewportView.DXScene.OverlayRenderingQueue);
MainViewport.Children.Add(modelVisual3D);
}