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using same 2D model with different rigs in "Unity"

Azzurri

Dear everyone

We have made several animated 2D models using the excellent spine software. Each model had about 5 or 6 different animations. Some animations weren't good enough so we redid them from scratch with a different rig. My programmer says we cant use the same model with different rigs in unity. So we have to redo all the old animations to fit the new rig.

For example: we have a "priest" wich had a walk/run / heal/death animation created with rig A. We changed the heal animation using a completely different rig but now we have to redo also the walk/run and death animation that was just fine to begin with.

We use the mechanism animation system for the Spine models in Unity.

Help me Obi Wan Spinoby, your my only hope.

Azzurri

Arnissan

Different rigs are different rigs, and you're also doubling your memory usage since each rig references a different atlas of the same sprites.

You can, however, use Spine skin functionality to have "different" rigs in the same Spine file. You assign the bones of the first rig to a skin #1, then redo the 2nd rig as skin #2. Then swap skins in the editor and in Unity via code at runtime.

I'm not sure why you need two completely different rigs for the same character, though. The whole point of Spine is reusability, crafting multiple bespoke rigs in separate files for the same character (which is viewed from the same angle) goes against that.

You can also export/import animation data from one rig to another. Import - Spine User Guide: Animation

Azzurri

Dear Arnissan

Thank you very much for your reply. We have two rigs for the same model because we have two artists that worked on the animations. I want the best of both of those two but that means using one model and different rigs. So can i conclude the best way to achieve this is using the Spine skin functionality?

Arnissan

It is not the best way, but it is a way of having several variants of a rig in a single file. It won't let you combine the existing separate rigs, however. I'd try the animation export/import I linked above first, but it has some pretty strict requirements such as having the same bone count and same bones names for the bones that are keyed in the animation.

If multiple animators are working on the same character, they should do it in turns using the same shared file to avoid issues like this.