export class AnimationEaseBounce {
    static out(t:number, b:number, c:number, d:number):number {
        if ((t /= d) < (1 / 2.75)) return c * (7.5625 * t * t) + b;
        else if (t < (2 / 2.75)) return c * (7.5625 * (t -= (1.5 / 2.75)) * t + 0.75) + b;
        else if (t < (2.5 / 2.75)) return c * (7.5625 * (t -= (2.25 / 2.75)) * t + 0.9375) + b;
        else return c * (7.5625 * (t -= (2.625 / 2.75)) * t + 0.984375) + b;
    }


    static in(t:number, b:number, c:number, d:number):number {
        return c - AnimationEaseBounce.out(d - t, 0.0, c, d) + b;
    }


    static inOut(t:number, b:number, c:number, d:number):number {
        if (t < d * 0.5) return AnimationEaseBounce.in(t * 2, 0.0, c, d) * 0.5 + b;
        else return AnimationEaseBounce.out(t * 2 - d, 0.0, c, d) * 0.5 + c * 0.5 + b;
    }
} // End class


export default AnimationEaseBounce;