// Runtime control animation.play(); animation.setSpeed(0.5); animation.goToAndStop(60, true); A critical understanding for motion designers is that Bodymovin does not support 100% of After Effects .
Journalistic features use Bodymovin exported animations triggered by scroll events (using Lottie-interactivity). Charts and diagrams animate as the user scrolls, syncing precisely to scroll percentage. 8. Limitations and Criticisms 8.1 The "Matrix of Pain" The lack of expression support is the most common designer complaint. In After Effects, a designer might use time*360 to rotate a wheel infinitely. Bodymovin will ignore this, requiring the designer to create a 1-second loop cycle or use the Lottie API to manually drive rotation. bodymovin plugin after effects
Instead of a CSS-animated spinner, Slack uses a Lottie animation of its logo bouncing and wiggling. The JSON file is 12KB vs a 300KB GIF. // Runtime control animation