SpriteKitは透過させた時のパフォーマンスが微妙に悪くて結局CALayerとかで作った記憶があります。

2:45 PM

一時期盛り上がっていたので探すとそれっぽい実装が見つかると思います https://github.com/saidmarouf/FloatingHearts https://github.com/itsaark/HeartAnimation

Periscope-Like flowing hearts animation. Contribute to saidmarouf/FloatingHearts development by creating an account on GitHub.

Periscope like/love fly animation. Contribute to itsaark/HeartAnimation development by creating an account on GitHub.