private void WireframeHelper(Model3D model, Matrix3DStack matrixStack)
{
var transform = model.Transform;
if (transform != null && transform != Transform3D.Identity)
{
matrixStack.Prepend(model.Transform.Value);
}
try
{
var group = model as Model3DGroup;
if (group != null)
{
WireframeHelper(group, matrixStack);
return;
}
var geometry = model as GeometryModel3D;
if (geometry != null)
{
WireframeHelper(geometry, matrixStack);
return;
}
}
finally
{
if (transform != null && transform != Transform3D.Identity)
{
matrixStack.Pop();
}
}
}
