private void Redraw()
{
if (manipulator.IsEnabled())
{
BackgroundPreviewViewModel.AddGeometryForRenderPackages(GetDrawables());
}
}
/// <summary>
/// Method to draw manipulator.
/// It's always called on the UI thread
/// </summary>
private void DrawManipulator()
{
Debug.Assert(IsMainThread());
var packages = GenerateRenderPackages();
// Add manipulator geometry to view asynchronously
// since it has to be queued up in UI dispatcher after drawing node geometry
BackgroundPreviewViewModel.AddGeometryForRenderPackages(packages, true);
}
/// <summary>
/// Implements the MouseMove event handler for the manipulator
/// </summary>
/// <param name="sender"></param>
/// <param name="mouseEventArgs"></param>
protected virtual void MouseMove(object sender, MouseEventArgs mouseEventArgs)
{
if (!IsEnabled())
{
return;
}
var clickRay = BackgroundPreviewViewModel.GetClickRay(mouseEventArgs);
if (clickRay == null)
{
return;
}
if (GizmoInAction == null)
{
HighlightGizmoOnRollOver(clickRay);
return;
}
var offset = GizmoInAction.GetOffset(clickRay.GetOriginPoint(), clickRay.GetDirectionVector());
if (offset.Length < 0.01)
{
return;
}
if (originAfterMove != null)
{
var offsetPos = originAfterMove.Add(offset);
originAfterMove.Dispose();
originAfterMove = offsetPos;
}
// Update input nodes attached to manipulator node
// Doing this triggers a graph update on scheduler thread
OnGizmoMoved(GizmoInAction, offset);
// redraw manipulator at new position synchronously
var packages = BuildRenderPackage();
BackgroundPreviewViewModel.AddGeometryForRenderPackages(packages);
}
/// <summary>
/// Method to draw manipulator
/// </summary>
private void DrawManipulator()
{
var packages = GenerateRenderPackages();
BackgroundPreviewViewModel.AddGeometryForRenderPackages(packages);
}
public void HighlightGizmo()
{
var drawables = GetDrawablesForTransientGraphics();
BackgroundPreviewViewModel.AddGeometryForRenderPackages(drawables);
}
private void Redraw()
{
BackgroundPreviewViewModel.AddGeometryForRenderPackages(GetDrawables());
}
