private void HideModelScalar()
{
if (_modelScalar != null)
{
OverlayViewport.Children.Remove(_modelScalar);
_modelScalar = null;
}
ScaleButton.IsChecked = false;
}
private void EnsureModelScalar()
{
if (_modelScalar != null)
{
return;
}
_modelScalar = new ModelScalarVisual3D();
// Setup events on ModelScalarVisual3D
_modelScalar.ModelScaleStarted += delegate(object sender, EventArgs args)
{
if (_selectedVisual3D == null || _standardTransform3D == null)
{
return;
}
_startScaleX = _standardTransform3D.ScaleX;
_startScaleY = _standardTransform3D.ScaleY;
_startScaleZ = _standardTransform3D.ScaleZ;
};
_modelScalar.ModelScaled += delegate(object sender, ModelScaledEventArgs args)
{
if (_selectedVisual3D == null || _standardTransform3D == null)
{
return;
}
_standardTransform3D.ScaleX = _startScaleX * args.ScaleX;
_standardTransform3D.ScaleY = _startScaleY * args.ScaleY;
_standardTransform3D.ScaleZ = _startScaleZ * args.ScaleZ;
};
_modelScalar.ModelScaleEnded += delegate(object sender, EventArgs args)
{
// Nothing to do here in this sample
// The event handler is here only for description purposes
};
}
