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StevenPearce avatar image
StevenPearce asked FlyingRaccoon answered

How to export simple vertex animation from Max?

So, I have the most basic vertex animation for a gauge: each keyframe moves 2 vertices in a single axis. Just an Edit Poly without skin/bones or other modifiers. The animation does not get exported in the gltf.

What am I missing?

animation3dsmax
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FlyingRaccoon avatar image
FlyingRaccoon answered

Hello.

There is no support for morph targets at the moment.
When in doubt, check that page of the doc: https://docs.flightsimulator.com/html/Asset_Creation/3D_Models/General_Principles.htm?rhhlterm=morph%20target#the_gltf_format

Regards,
Sylvain

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Krazycolin avatar image
Krazycolin answered StevenPearce commented

I don't think you can do vertex animation in the sim... (I would love LOVE to be wrong on this...)

3 comments
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There are vertex animations in many of the default aircraft. For example those with a control stick like the Pipistrel Virus have a piece of leather at the base of the stick with vertex animation deforming it.

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isn't it skinning? all my material/vertex/UV animation experiments failed (did them almost year ago), will be interesting if these may work somehow
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My understanding was that skinning/bones are just a tool for describing how to animate vertices, thus my assumption being that if that works, then simple vertex animation should also work. But looks like I'm wrong there, so I will attempt to achieve the same result with Skin.

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Krazycolin avatar image
Krazycolin answered

Skinning is, as I understand, using bones...

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virtuali avatar image
virtuali answered

You must use a Skin modifier, add some bones and assign their influence to vertexes, then animate the bones with keyframing. This is the only way to do vertex animation since FSX.

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