Class Back

fr/lavache/anime/Easing.java:343–386

A base class for Back easings.

     * A base class for Back easings.
     */
    abstract class Back implements Easing {
        /**
         * The default overshoot is 10% (1.70158).
         */
        public static final float DEFAULT_OVERSHOOT = 1.70158f;

        private float overshoot;

        /**
         * Creates a new Back instance with the default overshoot (1.70158).
         */
        public Back() {
            this(DEFAULT_OVERSHOOT);
        }

        /**
         * Creates a new Back instance with the specified overshoot.
         *
         * @param overshoot the amount to overshoot by -- higher number
         *                  means more overshoot and an overshoot of 0 results in
         *                  cubic easing with no overshoot
         */
        public Back(float overshoot) {
            this.overshoot = overshoot;
        }

        /**
         * Returns the overshoot for this easing.
         *
         * @return this easing's overshoot
         */
        public float getOvershoot() {
            return overshoot;
        }

        /**
         * Sets the overshoot to the given value.
         *
         * @param overshoot the new overshoot
         */
        public void setOvershoot(float overshoot) {
            this.overshoot = overshoot;
        }
    }

    /////////// BOUNCE EASING: exponentially decaying parabolic bounce  //////////////