mbrachner

@jaurenq can you have a look at the XPNet API for instancedrawing. CreateInstance is now a method of the XPSceneryObject, but maybe you would prefer a solution that is nearer...

I will also remove the WIP, as this is in a quite mature state already

It works in X-Plane, however just with one instance. Sorry, that was one mistake in coding and one in testing it, I completely disregarded the case of several instances. Will...