Cubic.java

package com.external.easing;

public class Cubic {
	
	public static float easeIn (float t,float b , float c, float d) {
		return c*(t/=d)*t*t + b;
	}
	
	public static float easeOut (float t,float b , float c, float d) {
		return c*((t=t/d-1)*t*t + 1) + b;
	}
	
	public static float easeInOut (float t,float b , float c, float d) {
		if ((t/=d/2) < 1) return c/2*t*t*t + b;
		return c/2*((t-=2)*t*t + 2) + b;
	}

}