Quad.java

package com.external.easing;

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