Request for new text animation

Having a modern and beautiful text fade animation like that would be a great addition to the already great set of effects

https://codepen.io/alvarotrigo/pen/ExvqdNa

Look at existing text animation widgets in the lib/ directory to understand the pattern. The Codepen link shows the desired animation effect. Implement a new widget following the same structure, likely involving custom painting or implicit animations. Test it in the example app to ensure it matches the reference.

Rédigé par le modèle d'indexation à partir du texte de l'issue.