Hello,

I have a strange issue that I encountered when using Spine 3.7. I have several animations that are played correctly within the editor but don't look as expected when played using the Spine Web Player 3.7.

I created the same animations using Spine 3.8 and it's alright in the corresponding player.

My goal is to use these animations within Pixi.js projects (both versions 3 and 4) using the official pixi-spine plugin provided by Pixi.js. The same problem occurs there.

From what I can see, the mesh is missing. There are no errors in the browser's console and it looks like the Spine player just ignores some of the parameters in the animation.

Is this a known issue?

I tried searching the web for similar issues but couldn't find any. If this topic is a duplicate, please point me to the original discussion. All animations are proprietary and I cannot share them publically. If this is a new issue, I can export a sample animation and provide it here.

Thanks in advance!

Thank you for the quick response. I replied to your email. We managed to partially resolve the issue. It looks like the problem is in the pixi-spine plugin. The animations now work on Pixi.js 4 using pixi-spine 1.15.22 but they don't on Pixi.js 3 using the same version of pixi-spine despite both Pixi.js versions being supported according to the README. We have an error "Deform attachment not found: undefined". I will contact the authors of pixi-spine and figure out the cause with them. In the meantime, we will try another version of pixi-spine (pixi4-spine3.8 branch) which supports Spine 3.8 in both JSON and SKEL formats. I will contact you again if there is something on your side and will post in the forum as soon as we have a solution so that it can help others.

This is the issue in pixi-spine - https://github.com/pixijs/pixi-spine/issues/349

This is the broken sample animation - https://github.com/gatsinski/pixi-spine-sample