getAnimations method

@override List<CharacterAnimation> getAnimations(double progress, int charCount)

Generates per-character 3D rotation and opacity dip at midpoint.

Implementation

@override
List<CharacterAnimation> getAnimations(double progress, int charCount) {
  if (charCount == 0) return [];

  return List.generate(charCount, (index) {
    final staggered = staggeredProgress(progress, index, charCount);
    final curved = applyCurve(staggered);

    final wave = sin(curved * pi);
    final angle = wave * pi * flipCount;
    final opacity = 1.0 - (wave * wave);

    if (axis) {
      return CharacterAnimation(rotationY: angle, opacity: opacity.clamp(0.0, 1.0));
    } else {
      return CharacterAnimation(rotationX: angle, opacity: opacity.clamp(0.0, 1.0));
    }
  });
}