@opensig/opendesign

Version:

13 lines (12 loc) • 303 B

JavaScript

function easeInOutCubic(current, start, end, duration) {
  const elapsed = end - start;
  let time = current / (duration / 2);
  if (time < 1) {
    return elapsed / 2 * time * time * time + start;
  }
  time -= 2;
  return elapsed / 2 * (time * time * time + 2) + start;
}
export {
  easeInOutCubic
};