Function progressStart

core/src/utils/animation/animation.ts:704–718

(forceLinearEasing = false, step?: number)

  };

  const progressStart = (forceLinearEasing = false, step?: number) => {
    childAnimations.forEach((animation) => {
      animation.progressStart(forceLinearEasing, step);
    });

    pauseAnimation();
    shouldForceLinearEasing = forceLinearEasing;

    if (!initialized) {
      initializeAnimation();
    }
    update(false, true, step);

    return ani;
  };

  const progressStep = (step: number) => {
    childAnimations.forEach((animation) => {