QuartEase.java

package com.db.chart.view.animation.easing;

public class QuartEase extends BaseEasingMethod {

    public QuartEase() {
        super();
    }

    @Override
    protected float easeOut(float time) {
        return (float) Math.pow(time - 1, 4) + 1;
    }

    @Override
    protected float easeIn(float time) {
        return easeOut(1.f - time);
    }

}