Elastic method not written for Haxe.

Error: Float provided, Bool expected.

FIXED:

package aze.motion.easing;

import aze.motion.easing.Elastic;

/**
 * ...
 * @author Philippe / http://philippe.elsass.me
 * @author Robert Penner / http://www.robertpenner.com/easing_terms_of_use.html
 */
class Elastic
{
    static public inline var easeIn:Dynamic = easeInWith(0.1, 0.4);
    static public inline var easeOut:Dynamic = easeOutWith(0.1, 0.4);
    static public inline var easeInOut:Dynamic = easeInOutWith(0.1, 0.4);

    static public function easeInWith(a:Float, p:Float):Dynamic
    {
        return function (k:Float):Float
            {
                if (k == 0) return 0; if (k == 1) return 1; if (p == 0) p = 0.3;
                var s:Float;
                if (a == 0 || a < 1) { a = 1; s = p / 4; }
                else s = p / (2 * Math.PI) * Math.asin (1 / a);
                return -(a * Math.pow(2, 10 * (k -= 1)) * Math.sin( (k - s) * (2 * Math.PI) / p ));
            }
    }
    static public function easeOutWith(a:Float, p:Float):Dynamic
    {
        return function (k:Float):Float
            {
                if (k == 0) return 0; if (k == 1) return 1; if (p == 0) p = 0.3;
                var s:Float;
                if (a == 0 || a < 1) { a = 1; s = p / 4; }
                else s = p / (2 * Math.PI) * Math.asin (1 / a);
                return (a * Math.pow(2, -10 * k) * Math.sin((k - s) * (2 * Math.PI) / p ) + 1);
            }
    }
    static public function easeInOutWith(a:Float, p:Float):Dynamic
    {
        return function (k:Float):Float
            {
                if (k == 0) return 0; if (k == 1) return 1; if (p == 0) p = 0.3;
                var s:Float;
                if (a == 0 || a < 1) { a = 1; s = p / 4; }
                else s = p / (2 * Math.PI) * Math.asin (1 / a);
                if ((k *= 2) < 1) return -0.5 * (a * Math.pow(2, 10 * (k -= 1)) * Math.sin( (k - s) * (2 * Math.PI) / p ));
                return a * Math.pow(2, -10 * (k -= 1)) * Math.sin( (k - s) * (2 * Math.PI) / p ) * .5 + 1;
            }
    }
}
Original issue reported on code.google.com by capn.lu...@radialgames.com on 29 Aug 2012 at 10:37
bennyxqg / eaze-tween

Elastic method not written for Haxe. #28
