Re: [Flightgear-devel] glTF object centers

[TheFGFSEagle <the...@gm...>]

Okay, then we can simply add a flag <use-gltf-origins> if set to true, will
use current gltf behaviour, if set to false will add <center> at 0,0,0 thus
replicating the old behaviour

Am Di., 11. Feb. 2025 um 16:15 Uhr schrieb Fernando García Liñán via
Flightgear-devel <fli...@li...>:

> On 11/2/25 14:47, Richard Harrison wrote:
> > I'm not exactly sure what isn't backwards compatible and what the
> > options are?
>
> Many animations require a <center> tag. A good example is the rotation
> animation, which uses the <center> tag to specify the rotation center.
>
> The glTF loader does not require filling out this <center> tag, because
> by default it uses the object origin from Blender. This is not backwards
> compatible because the previous behavior when a <center> tag is not
> specified is to use the model origin (0,0,0).
>
> Option 1: Replicate the previous behavior using (0,0,0) when no <center>
> has been specified.
>
> Option 2: Keep the current glTF behavior, i.e. use the object center
> from Blender as the default center.
>
> --
> Fernando
>
>
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