animated

animatedSnapTo.kt

private suspend fun LottieAnimatable.animatedSnapTo(
    composition: LottieComposition?,
    targetProgress: Float,
    velocity: Float = ANIMATED_SNAP_VELOCITY,
) {
    val currentProgress = this.progress
    if (currentProgress == targetProgress) return
    coroutineScope {
        val direction = (targetProgress - currentProgress).unitVector()
        val speed = velocity * direction
        val clipSpec = if (direction > 0) {
            LottieClipSpec.Progress(currentProgress, targetProgress)
        } else {
            LottieClipSpec.Progress(targetProgress, currentProgress)
        }
        animate(
            composition = composition,
            speed = speed,
            clipSpec = clipSpec,
            iteration = 1,
            iterations = 1,
            initialProgress = currentProgress,
        )
    }
}

exampleUsage.kt

LaunchedEffect(page) {
  animatable.animatedSnapTo(composition, page.startProgress, 5f)
  
  val pageClipSpec = LottieClipSpec.Progress(page.startProgress, nextPage.endProgress)
  animatable.animate(composition, clipSpec = pageClipSpec, speed = 1f)
}