https://eflag.ai/wp-content/themes/sparkai/elementor/js/parallax-scroll/jquery.easing.js?ver=1.0.2

1/*
2 * jQuery Easing v1.4.1 - http://gsgd.co.uk/sandbox/jquery/easing/
3 * Open source under the BSD License.
4 * Copyright © 2008 George McGinley Smith
5 * All rights reserved.
6 * https://raw.github.com/gdsmith/jquery.easing/master/LICENSE
7*/
8
9/* globals jQuery, define, module, require */
10(function (factory) {
11    if (typeof define === "function" && define.amd) {
12        define(['jquery'], function ($) {
13            return factory($);
14        });
15    } else if (typeof module === "object" && typeof module.exports === "object") {
16        module.exports = factory(require('jquery'));
17    } else {
18        factory(jQuery);
19    }
20})(function($){
21
22    // Preserve the original jQuery "swing" easing as "jswing"
23    if (typeof $.easing !== 'undefined') {
24        $.easing['jswing'] = $.easing['swing'];
25    }
26
27    var pow = Math.pow,
28        sqrt = Math.sqrt,
29        sin = Math.sin,
30        cos = Math.cos,
31        PI = Math.PI,
32        c1 = 1.70158,
33        c2 = c1 * 1.525,
34        c3 = c1 + 1,
35        c4 = ( 2 * PI ) / 3,
36        c5 = ( 2 * PI ) / 4.5;
37
38    // x is the fraction of animation progress, in the range 0..1
39    function bounceOut(x) {
40        var n1 = 7.5625,
41            d1 = 2.75;
42        if ( x < 1/d1 ) {
43            return n1*x*x;
44        } else if ( x < 2/d1 ) {
45            return n1*(x-=(1.5/d1))*x + .75;
46        } else if ( x < 2.5/d1 ) {
47            return n1*(x-=(2.25/d1))*x + .9375;
48        } else {
49            return n1*(x-=(2.625/d1))*x + .984375;
50        }
51    }
52
53    $.extend( $.easing, {
54        def: 'easeOutQuad',
55        swing: function (x) {
56            return $.easing[$.easing.def](x);
57        },
58        easeInQuad: function (x) {
59            return x * x;
60        },
61        easeOutQuad: function (x) {
62            return 1 - ( 1 - x ) * ( 1 - x );
63        },
64        easeInOutQuad: function (x) {
65            return x < 0.5 ?
66                2 * x * x :
67                1 - pow( -2 * x + 2, 2 ) / 2;
68        },
69        easeInCubic: function (x) {
70            return x * x * x;
71        },
72        easeOutCubic: function (x) {
73            return 1 - pow( 1 - x, 3 );
74        },
75        easeInOutCubic: function (x) {
76            return x < 0.5 ?
77                4 * x * x * x :
78                1 - pow( -2 * x + 2, 3 ) / 2;
79        },
80        easeInQuart: function (x) {
81            return x * x * x * x;
82        },
83        easeOutQuart: function (x) {
84            return 1 - pow( 1 - x, 4 );
85        },
86        easeInOutQuart: function (x) {
87            return x < 0.5 ?
88                8 * x * x * x * x :
89                1 - pow( -2 * x + 2, 4 ) / 2;
90        },
91        easeInQuint: function (x) {
92            return x * x * x * x * x;
93        },
94        easeOutQuint: function (x) {
95            return 1 - pow( 1 - x, 5 );
96        },
97        easeInOutQuint: function (x) {
98            return x < 0.5 ?
99                16 * x * x * x * x * x :
100                1 - pow( -2 * x + 2, 5 ) / 2;
101        },
102        easeInSine: function (x) {
103            return 1 - cos( x * PI/2 );
104        },
105        easeOutSine: function (x) {
106            return sin( x * PI/2 );
107        },
108        easeInOutSine: function (x) {
109            return -( cos( PI * x ) - 1 ) / 2;
110        },
111        easeInExpo: function (x) {
112            return x === 0 ? 0 : pow( 2, 10 * x - 10 );
113        },
114        easeOutExpo: function (x) {
115            return x === 1 ? 1 : 1 - pow( 2, -10 * x );
116        },
117        easeInOutExpo: function (x) {
118            return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
119                pow( 2, 20 * x - 10 ) / 2 :
120                ( 2 - pow( 2, -20 * x + 10 ) ) / 2;
121        },
122        easeInCirc: function (x) {
123            return 1 - sqrt( 1 - pow( x, 2 ) );
124        },
125        easeOutCirc: function (x) {
126            return sqrt( 1 - pow( x - 1, 2 ) );
127        },
128        easeInOutCirc: function (x) {
129            return x < 0.5 ?
130                ( 1 - sqrt( 1 - pow( 2 * x, 2 ) ) ) / 2 :
131                ( sqrt( 1 - pow( -2 * x + 2, 2 ) ) + 1 ) / 2;
132        },
133        easeInElastic: function (x) {
134            return x === 0 ? 0 : x === 1 ? 1 :
135                -pow( 2, 10 * x - 10 ) * sin( ( x * 10 - 10.75 ) * c4 );
136        },
137        easeOutElastic: function (x) {
138            return x === 0 ? 0 : x === 1 ? 1 :
139                pow( 2, -10 * x ) * sin( ( x * 10 - 0.75 ) * c4 ) + 1;
140        },
141        easeInOutElastic: function (x) {
142            return x === 0 ? 0 : x === 1 ? 1 : x < 0.5 ?
143                -( pow( 2, 20 * x - 10 ) * sin( ( 20 * x - 11.125 ) * c5 )) / 2 :
144                pow( 2, -20 * x + 10 ) * sin( ( 20 * x - 11.125 ) * c5 ) / 2 + 1;
145        },
146        easeInBack: function (x) {
147            return c3 * x * x * x - c1 * x * x;
148        },
149        easeOutBack: function (x) {
150            return 1 + c3 * pow( x - 1, 3 ) + c1 * pow( x - 1, 2 );
151        },
152        easeInOutBack: function (x) {
153            return x < 0.5 ?
154                ( pow( 2 * x, 2 ) * ( ( c2 + 1 ) * 2 * x - c2 ) ) / 2 :
155                ( pow( 2 * x - 2, 2 ) *( ( c2 + 1 ) * ( x * 2 - 2 ) + c2 ) + 2 ) / 2;
156        },
157        easeInBounce: function (x) {
158            return 1 - bounceOut( 1 - x );
159        },
160        easeOutBounce: bounceOut,
161        easeInOutBounce: function (x) {
162            return x < 0.5 ?
163                ( 1 - bounceOut( 1 - 2 * x ) ) / 2 :
164                ( 1 + bounceOut( 2 * x - 1 ) ) / 2;
165        }
166    });
167    return $;
168});