https://www.kathrein-ds.com/wp-content/themes/thegem/js/jquery.easing.js?ver=5.12.3.1

1(function (factory) {
2    if (typeof define === "function" && define.amd) {
3        define(["jquery"], function ($) {
4            return factory($)
5        })
6    } else if (typeof module === "object" && typeof module.exports === "object") {
7        exports = factory(require("jquery"))
8    } else {
9        factory(jQuery)
10    }
11})(function ($) {
12    $.easing.jswing = $.easing.swing;
13    var pow = Math.pow, sqrt = Math.sqrt, sin = Math.sin, cos = Math.cos, PI = Math.PI, c1 = 1.70158, c2 = c1 * 1.525,
14        c3 = c1 + 1, c4 = 2 * PI / 3, c5 = 2 * PI / 4.5;
15
16    function bounceOut(x) {
17        var n1 = 7.5625, d1 = 2.75;
18        if (x < 1 / d1) {
19            return n1 * x * x
20        } else if (x < 2 / d1) {
21            return n1 * (x -= 1.5 / d1) * x + .75
22        } else if (x < 2.5 / d1) {
23            return n1 * (x -= 2.25 / d1) * x + .9375
24        } else {
25            return n1 * (x -= 2.625 / d1) * x + .984375
26        }
27    }
28
29    $.extend($.easing, {
30        def: "easeOutQuad", swing: function (x) {
31            return $.easing[$.easing.def](x)
32        }, easeInQuad: function (x) {
33            return x * x
34        }, easeOutQuad: function (x) {
35            return 1 - (1 - x) * (1 - x)
36        }, easeInOutQuad: function (x) {
37            return x < .5 ? 2 * x * x : 1 - pow(-2 * x + 2, 2) / 2
38        }, easeInCubic: function (x) {
39            return x * x * x
40        }, easeOutCubic: function (x) {
41            return 1 - pow(1 - x, 3)
42        }, easeInOutCubic: function (x) {
43            return x < .5 ? 4 * x * x * x : 1 - pow(-2 * x + 2, 3) / 2
44        }, easeInQuart: function (x) {
45            return x * x * x * x
46        }, easeOutQuart: function (x) {
47            return 1 - pow(1 - x, 4)
48        }, easeInOutQuart: function (x) {
49            return x < .5 ? 8 * x * x * x * x : 1 - pow(-2 * x + 2, 4) / 2
50        }, easeInQuint: function (x) {
51            return x * x * x * x * x
52        }, easeOutQuint: function (x) {
53            return 1 - pow(1 - x, 5)
54        }, easeInOutQuint: function (x) {
55            return x < .5 ? 16 * x * x * x * x * x : 1 - pow(-2 * x + 2, 5) / 2
56        }, easeInSine: function (x) {
57            return 1 - cos(x * PI / 2)
58        }, easeOutSine: function (x) {
59            return sin(x * PI / 2)
60        }, easeInOutSine: function (x) {
61            return -(cos(PI * x) - 1) / 2
62        }, easeInExpo: function (x) {
63            return x === 0 ? 0 : pow(2, 10 * x - 10)
64        }, easeOutExpo: function (x) {
65            return x === 1 ? 1 : 1 - pow(2, -10 * x)
66        }, easeInOutExpo: function (x) {
67            return x === 0 ? 0 : x === 1 ? 1 : x < .5 ? pow(2, 20 * x - 10) / 2 : (2 - pow(2, -20 * x + 10)) / 2
68        }, easeInCirc: function (x) {
69            return 1 - sqrt(1 - pow(x, 2))
70        }, easeOutCirc: function (x) {
71            return sqrt(1 - pow(x - 1, 2))
72        }, easeInOutCirc: function (x) {
73            return x < .5 ? (1 - sqrt(1 - pow(2 * x, 2))) / 2 : (sqrt(1 - pow(-2 * x + 2, 2)) + 1) / 2
74        }, easeInElastic: function (x) {
75            return x === 0 ? 0 : x === 1 ? 1 : -pow(2, 10 * x - 10) * sin((x * 10 - 10.75) * c4)
76        }, easeOutElastic: function (x) {
77            return x === 0 ? 0 : x === 1 ? 1 : pow(2, -10 * x) * sin((x * 10 - .75) * c4) + 1
78        }, easeInOutElastic: function (x) {
79            return x === 0 ? 0 : x === 1 ? 1 : x < .5 ? -(pow(2, 20 * x - 10) * sin((20 * x - 11.125) * c5)) / 2 : pow(2, -20 * x + 10) * sin((20 * x - 11.125) * c5) / 2 + 1
80        }, easeInBack: function (x) {
81            return c3 * x * x * x - c1 * x * x
82        }, easeOutBack: function (x) {
83            return 1 + c3 * pow(x - 1, 3) + c1 * pow(x - 1, 2)
84        }, easeInOutBack: function (x) {
85            return x < .5 ? pow(2 * x, 2) * ((c2 + 1) * 2 * x - c2) / 2 : (pow(2 * x - 2, 2) * ((c2 + 1) * (x * 2 - 2) + c2) + 2) / 2
86        }, easeInBounce: function (x) {
87            return 1 - bounceOut(1 - x)
88        }, easeOutBounce: bounceOut, easeInOutBounce: function (x) {
89            return x < .5 ? (1 - bounceOut(1 - 2 * x)) / 2 : (1 + bounceOut(2 * x - 1)) / 2
90        }
91    })
92});