silk-gui/bower_components/Materialize/js/animation.js

GUI for developers and Node OS

    // Custom Easing
    jQuery.extend( jQuery.easing,
    {
      easeInOutMaterial: function (x, t, b, c, d) {
        if ((t/=d/2) < 1) return c/2*t*t + b;
        return c/4*((t-=2)*t*t + 2) + b;
      }
    });