easeInOutQuart static method

double easeInOutQuart(
  1. double t
)

Quartic easing in/out.

Implementation

static double easeInOutQuart(double t) =>
    t < 0.5 ? 8.0 * t * t * t * t : 1.0 - math.pow(-2.0 * t + 2.0, 4) / 2.0;