Ok, I understand well. But, is there a way to split by library the node into its components using some osg classes?
Il giorno giovedì 30 giugno 2022 alle 11:07:30 UTC+2 [email protected] ha scritto: > Normally you need a MatrixTransform node attach to the propeller geometry > and apply the appropriate rotations to that. Obj only describes the > geometry and the possibly the textures for model. Maybe the easiest thing > to split the cessna geometry into the body of the plane and the propeller. > Load both models and attach a MatrixTransfrom to the propeller. Next create > an instance of a MatrixTransfrom and an instance of NodeCallback which > updates the rotational position of the propeller every frame. It maybe > tricky to align the propeller and the Cessna body after loading them. Just > my 2 cents worth. > > On Wednesday, June 29, 2022 at 7:56:02 PM UTC+10 [email protected] > wrote: > >> Hi, >> >> given the cessna model, I wanted to know if there is a possibility to >> hook the motor blade knot to make it spin ... >> >> Anyway, if I had a model of a helicopter (.obj), what is the way to >> generate the spin effect? >> >> Thanks >> > -- You received this message because you are subscribed to the Google Groups "OpenSceneGraph Users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/osg-users/ea3bb02f-2443-4ecd-9791-be22069682d0n%40googlegroups.com.
