easeInOut method

double easeInOut(
  1. double k
)
override

Implementation

double easeInOut(double k) {
  if (k == 0) return 0;
  if (k == 1) return 1;
  if ((k *= 2) < 1) return 0.5 * pow(1024, k - 1);
  return 0.5 * (-pow(2, -10 * (k - 1)) + 2);
}