Symmetric anticipatory easing; scales backIn for t in [0, 0.5] and backOut for t in [0.5, 1]. The degree of overshoot is configurable; it not specified, it defaults to 1.70158.
Symmetric anticipatory easing; scales backIn for t in [0, 0.5] and backOut for t in [0.5, 1]. The degree of overshoot is configurable; it not specified, it defaults to 1.70158.