package com.greensock.easing {
    
    public class Quart {
        public static const power:uint = 3;
        
        public static function easeIn (t:Number, b:Number, c:Number, d:Number):Number {
            return c*(t/=d)*t*t*t + b;
        }
        public static function easeOut (t:Number, b:Number, c:Number, d:Number):Number {
            return -c * ((t=t/d-1)*t*t*t - 1) + b;
        }
        public static function easeInOut (t:Number, b:Number, c:Number, d:Number):Number {
            if ((t/=d*0.5) < 1) return c*0.5*t*t*t*t + b;
            return -c*0.5 * ((t-=2)*t*t*t - 2) + b;
        }
    }
}