If I remember correctly the background position is going to trigger a repaint. I found this cost to be rather innocent on a user transition, but I've had issues with animations across devices in terms of CPU performance. I'd be interested to know how this profiles and if there's anything that could be done to get the same animation effects without such a dramatic impact. Looks awesome though!!
Yeah - I have noticed that if I spam a page with links using this effect, my laptop fans start spinning like a jet engine. Been trying to figure out ways to handle this. Glad you enjoyed the post!
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