/**
 * 各种运动计算方式
 * 补间动画: 用平滑的方式更改对象的属性
 * @filename packages/utils/src/Tween/index.ts
 * @author Mr Prince
 * @date 2023-03-02 13:57:54
 */
/**
 * t: current time（当前时间）；
 * b: beginning value（初始值）；
 * c: change in value（变化量）；
 * d: duration（持续时间）
 * s: （回弹系数）
 * a: （抖动振幅）
 * p: （抖动频率）
 */
declare class Tween {
    /**
     * 一次方
     */
    static linear(t: number, b: number, c: number, d: number): number;
    /**
     * 二次方
     */
    static Quadratic: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 三次方
     */
    static Cubic: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 四次方
     */
    static Quartic: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 五次方
     */
    static Quintic: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 正弦
     */
    static Sinusoidal: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 指数
     */
    static Exponential: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 圆
     */
    static Circular: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
    /**
     * 指数衰减
     */
    static Elastic: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number, a?: number, p?: number): number;
        easeOut(t: number, b: number, c: number, d: number, a?: number, p?: number): number;
        easeInOut(t: number, b: number, c: number, d: number, a?: number, p?: number): number;
    };
    /**
     * 超过范围的三次方
     */
    static Back: {
        new (): {};
        /**
         * 回退系数
         * 越大，回退得越多
         */
        s: number;
        easeIn(t: number, b: number, c: number, d: number, s?: number): number;
        easeOut(t: number, b: number, c: number, d: number, s?: number): number;
        easeInOut(t: number, b: number, c: number, d: number, s?: number): number;
    };
    /**
     * 指数衰减的反弹
     */
    static Bounce: {
        new (): {};
        easeIn(t: number, b: number, c: number, d: number): number;
        easeOut(t: number, b: number, c: number, d: number): number;
        easeInOut(t: number, b: number, c: number, d: number): number;
    };
}
export default Tween;