EaseCircInOut method

double EaseCircInOut(
  1. num t,
  2. num b,
  3. num c,
  4. num d,
)

Circular In Out

Implementation

double EaseCircInOut(num t, num b, num c, num d)
{
  if ((t/=d/2.0) < 1.0) {
    return (-c/2.0*(math.sqrt(1.0 - t*t) - 1.0) + b);
  }
  t -= 2.0;
  return (c/2.0*(math.sqrt(1.0 - t*t) + 1.0) + b);
}