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Wing-warping (Read 285 times)
Aug 22nd, 2004 at 6:01pm

Gnome   Offline
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Is it possible?  GMAX 1.1  A hinged surface would look wrong so can I move a tip while keeping the centre still?


Thanks.


Kev
 
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Reply #1 - Aug 22nd, 2004 at 6:56pm

FSEdge   Offline
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Quote:
Is it possible?  GMAX 1.1  A hinged surface would look wrong so can I move a tip while keeping the centre still?


Thanks.


Kev


Hi Kev,

Would it be possible to try a re-word on the question?

Sorry for not understanding what you want to do.  Embarrassed


FSEdge
 
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Reply #2 - Aug 23rd, 2004 at 1:55am

Travis   Offline
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I think he just wants the wings to warp like a real jetliner (or whatever aircraft), right?

If so, I believe there is a way.  I can't remember right now how to do it, but try Googling it.
 

...
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Reply #3 - Aug 23rd, 2004 at 5:10am

Gnome   Offline
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I want the wing TE to bend as opposed to hinge and I want the tips to move more than the centre.

I don't want lots of seperate parts all leaving gaps as they move.

Can I animate vertices?  Can any of the parts 'stretch'?


Kev
 
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Reply #4 - Aug 23rd, 2004 at 6:58am

Felix/FFDS   Offline
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I believe that FS (makemdl) does NOT like part stretching/vertex level animations.
 

Felix/FFDS...
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Reply #5 - Aug 23rd, 2004 at 5:52pm

Gnome   Offline
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It's looking that way...  Sad

I could have sworn I've seen a Wright Flyer with warping wings though.  Couldn't see the join, as it were.

I can live without it but it would have added that extra touch.

I don't know if this thing is going to even compile yet so it's early days.  Smiley
 
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Reply #6 - Aug 24th, 2004 at 1:10am

FSEdge   Offline
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Quote:
I believe that FS (makemdl) does NOT like part stretching/vertex level animations.


In all probability I bet you are correct. I'll give it a try and see what happens.

That said,

Kev could pull it off in Gmax without too much of an effort.

The key is to use the "Linked XForm" modifier. This will let him work on the object at its sub-object level.

Here is a short run down for the process.

Select the wing at its polygon sub-object level.

Choose the polys that make the left aileron. Go to the Edit Geometry rollout and select "Detach". When the Detach dialog opens choose "Detach To Element". This will isolate the polys; yet still keep them as part of the wing object.

Move up in the sub-object level to Vertex. Select the vertices on the leading edge of the aileron and the trailing edge of the wing i.e. where the aileron was detached from. Use the Weld to connect them back to the wing.

Next, create a small cylinder and place it inside the aileron near the leading edge, centered if possible for best pivot results. Set the pivot point on the cylinder through the Hierarchy tab and rename it to l_aileron.

Reselect the wing once again. This time go to its Element sub-object level and click the area that makes up the left aileron.

Now add the "Linked XForm" modifier to the stack. The "Linked XForm" only has one rollout called Parameters. In that rollout choose "Pick Control Object".
Go over to "Select by Name" or shortcut to it with the "H" key. When the Dialog opens pick the l_aileron as the control object. At this point look back at the "Linked XForm" Parameters rollout and you will see that the Control Object section has been updated with the name l_aileron. That’s it for adding the modifier. Now you can select the object l_aileron and rotate it on the X-axis. You should see the mesh on the wing being tugged as you roll the aileron up and down.

Well, so much for the short run down Grin

I'll build a test to see what happens in FS. My gut feeling is that MakeMDL will ignore the “Linked XForm”. You guys feel free to try this too.

FSEdge

   
 
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Reply #7 - Aug 24th, 2004 at 2:06pm

Gnome   Offline
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Wow!  Please do a quick test.  I'm still a long way off getting the parts into GMAX (I'm not using GMAX to make the model, oh no...  I wouldn't know where to start) but I'm hoping to be there by the weekend if there aren't too many polys by the time it's finished.


Kev
 
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Reply #8 - Aug 25th, 2004 at 10:01am

FSEdge   Offline
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Hi Kev,

I did a bit of testing and the results didn't pan out. MakeMDL, ignored the Linked XForm modifier. It works like a champ in Gmax but not FS.

Sorry for the bad news.

FSEdge
 
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Reply #9 - Aug 25th, 2004 at 10:33am

Felix/FFDS   Offline
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Also, "true" wingwarping would be an animated twist modifier applied to the wing?.

I can just imagine makemdl having conniptions on seeing this, and would curse Gnome with a plethora of flipped and twisted rogue polys!

 

Felix/FFDS...
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Reply #10 - Aug 25th, 2004 at 4:45pm

Gnome   Offline
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Ach. Thanks for trying FSEdge.
So, it's looking like teeny segments moving teeny, increasing amounts and hopefully, nobody spotting any gaps.

Or not animating it at all...  Smiley

Thanks folks.


Kev
 
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