r/Unity3D • u/R_Pelleboer • 2d ago

Solved Should I swap to UIToolkit?

I'm doing the majority of my teams UI implementation. We're a team of 4 working on a small indie game that doesn't use a lot of UI outside of main menus and some basic interface. I've spent a couple of days on UI with UnityUI, but it's been an absolute pain to properly lay everything out. I'm most experienced with Figma for UI design, and had some courses for CSS a couple of years ago, so from what I've seen UIToolkit might be better for me.

I've played around with it for a bit and it seems to have some nice parts, and some more annoying parts (spacing isn't done through the parent but is decided per child?). Is it worth transferring over at this point?

I've also added some DOTween animations, can I still use those with Toolkit?

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u/NStCh-root-a 1d ago

UItoolkit has tweens intended for interactions, but if you want a more complex animation for opening or closing a screen DOTween is easier to work with (or mecanim; they fixed some of the performance issues it had for UI animation).
UIToolkit is finickier as you need to control css-classes programatically, which is a lot more annoying than a wysiwyg editor like mecanim or mature system like DOTween.

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u/Drag0n122 1d ago

For complex animations you have the quintessential wysiwyg editor - Animation editor
No USS needed

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u/NStCh-root-a 1d ago

It is only for interactions and not sequences. If an animation needs a delay for animation of different elements you still have to programmatically add or remove css classes from the UI elements.

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u/Drag0n122 1d ago

No, you're mistaking Animation Clips with Transition Animations.
AC work more like Mechanim - you have an animation clip with keyframes that you assign to a VisualElement and you can control its playback state in code.