easeInOutElastic static method

num easeInOutElastic(
  1. num ratio
)

Implementation

static num easeInOutElastic(num ratio) {
  ratio = ratio * 2.0;
  return (ratio < 1.0)
      ? 0.5 * easeInElastic(ratio)
      : 0.5 * easeOutElastic(ratio - 1.0) + 0.5;
}