Pre-Reqsīefore getting started, you'll need to have a Prefab/Game Object, Animation Clip, and Animation Controller created already. So here's a guide for anyone that needs just a bit more help like me. I know this functionality is experimental and I'm guessing these docs have been carried forward for a while without much love, but yeah. The tl dr is that the backing scripts convert strings to 'hashes', which end up as some CRC32-encoded bits that get stored as ints so that they can ultimately get rendered in the Animation Window as- you guessed it-floats. You enter the names in the editor as strings, but when you get over to the Animation Clip, everything is specified in- wait for it-floats.

The issue centered around the fact that the docs allude to you being able to give 'names' to each of the sprites in your Sprite Library, and then later reference those names in the Animation Clip as a way to specify which exact sprites to use during the animation. I knew something was up when I was seeing things in Unity that were quite a bit different from the tutorials.

also looked through each of these pages for the 4.x release.

I spent a whole bunch of hours trying to figure out how to use Sprite Libraries and Sprite Resolvers and FINALLY found the missing pieces.įor reference, here's a few of the many pages I was looking through in the Unity docs for guidance:

Unity 2d sprite package download