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Ok, I Agree

Smooth by Angle Modifier + Shape keys

Home › Forums › Graphics / Blender › Smooth by Angle Modifier + Shape keys

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  • 2024-11-27 at 6:39 am #79121
    backpackvacuum
    Customer

    Hello!
    I am working on upgrading our workflow to Blender 4.2.4 and V3D 4.8.0.
    Shade Auto Smooth is now the “Smooth by Angle” modifier. I use Auto Smooth extensively.

    This modifier cannot be baked on objects with shape keys. Which means if you have an object that is auto-smoothed and has shape keys, if you have the “bake modifiers” option checked in the V3D export settings, your shape keys will be ignored.

    In Blender 4.0, I could have my auto-smooth and shape keys no problem. So unless there’s a workaround, this is a regression in functionality.

    Any known solution?

    2024-11-27 at 7:02 am #79122
    Alexander Kovelenov
    Staff

    Hi,

    Unfortunately, this is how the things are done in new Blenders. Before we could “split” these two features and apply them independently, but now smoothing is performed by the modifier so you either bake it or not use at all (if you need shape keys present on the same mesh). :unsure:

    Soft8Soft Tech Chief
    X | FB | LinkedIn

    2024-12-02 at 3:28 pm #79195
    backpackvacuum
    Customer

    Yeah, that is unfortunate that it’s not directly possible with the new system.

    However, I’ve just done some testing, and it looks to me like there is a workaround that could be scripted and included in the V3D exporter.

    If you take your shape-keyed object and split each shape key to its own object, (duplicate the object for each shape key, set that key to 1.0 and the rest to 0, then delete all the keys, deleting the key set to 1.0 last), you can then apply the modifier, then join your objects as shape keys, and re-apply any animations that you had.

    This method doesn’t leave the modifier intact like the “bake modifiers” option in the V3D exporter currently does, but I’m not sure how you guys are doing that or whether the same approach could be applied here with my method described above?

    2024-12-03 at 6:13 am #79197
    Alexander Kovelenov
    Staff

    Agree, we’ll need to figure something out :yes:

    Soft8Soft Tech Chief
    X | FB | LinkedIn

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