https://tvnoir.de/wp-content/plugins/easy-fancybox/vendor/jquery.easing.js?ver=1.4.1

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(function (factory) {
10	if (typeof define === "function" && define.amd) {
11		define(['jquery'], function ($) {
12			return factory($);
13		});
14	} else if (typeof module === "object" && typeof module.exports === "object") {
15		exports = factory(require('jquery'));
16	} else {
17		factory(jQuery);
18	}
19})(function($){
20
21// Preserve the original jQuery "swing" easing as "jswing"
22if (typeof $.easing !== 'undefined') {
23	$.easing['jswing'] = $.easing['swing'];
24}
25
26var pow = Math.pow,
27	sqrt = Math.sqrt,
28	sin = Math.sin,
29	cos = Math.cos,
30	PI = Math.PI,
31	c1 = 1.70158,
32	c2 = c1 * 1.525,
33	c3 = c1 + 1,
34	c4 = ( 2 * PI ) / 3,
35	c5 = ( 2 * PI ) / 4.5;
36
37// x is the fraction of animation progress, in the range 0..1
38function bounceOut(x) {
39	var n1 = 7.5625,
40		d1 = 2.75;
41	if ( x < 1/d1 ) {
42		return n1*x*x;
43	} else if ( x < 2/d1 ) {
44		return n1*(x-=(1.5/d1))*x + .75;
45	} else if ( x < 2.5/d1 ) {
46		return n1*(x-=(2.25/d1))*x + .9375;
47	} else {
48		return n1*(x-=(2.625/d1))*x + .984375;
49	}
50}
51
52$.extend( $.easing,
53{
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
168});