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https://fxn.instaforex.com/i/js/jquery.easing.1.3.js

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1/*
2 * jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
3 *
4 * Uses the built in easing capabilities added In jQuery 1.1
5 * to offer multiple easing options
6 *
7 * TERMS OF USE - jQuery Easing
8 * 
9 * Open source under the BSD License. 
10 * 
11 * Copyright © 2008 George McGinley Smith
12 * All rights reserved.
13 * 
14 * Redistribution and use in source and binary forms, with or without modification, 
15 * are permitted provided that the following conditions are met:
16 * 
17 * Redistributions of source code must retain the above copyright notice, this list of 
18 * conditions and the following disclaimer.
19 * Redistributions in binary form must reproduce the above copyright notice, this list 
20 * of conditions and the following disclaimer in the documentation and/or other materials 
21 * provided with the distribution.
22 * 
23 * Neither the name of the author nor the names of contributors may be used to endorse 
24 * or promote products derived from this software without specific prior written permission.
25 * 
26 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
27 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
28 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
29 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
30 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
31 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
32 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
33 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
34 * OF THE POSSIBILITY OF SUCH DAMAGE. 
35 *
36*/
37
38// t: current time, b: begInnIng value, c: change In value, d: duration
39jQuery.easing['jswing'] = jQuery.easing['swing'];
40
41jQuery.extend( jQuery.easing,
42{
43	def: 'easeOutQuad',
44	swing: function (x, t, b, c, d) {
45		var fn = jQuery.easing[jQuery.easing.def];
46		if (typeof fn === 'function') {
47			return fn(x, t, b, c, d);
48		} else {
vendor: 4,432 bytes, lines 49-180
49			// fallback: просто линейно
50			return b + (c * t / d);
51		}
52	},
53	easeInQuad: function (x, t, b, c, d) {
54		return c*(t/=d)*t + b;
55	},
56	easeOutQuad: function (x, t, b, c, d) {
57		return -c *(t/=d)*(t-2) + b;
58	},
59	easeInOutQuad: function (x, t, b, c, d) {
60		if ((t/=d/2) < 1) return c/2*t*t + b;
61		return -c/2 * ((--t)*(t-2) - 1) + b;
62	},
63	easeInCubic: function (x, t, b, c, d) {
64		return c*(t/=d)*t*t + b;
65	},
66	easeOutCubic: function (x, t, b, c, d) {
67		return c*((t=t/d-1)*t*t + 1) + b;
68	},
69	easeInOutCubic: function (x, t, b, c, d) {
70		if ((t/=d/2) < 1) return c/2*t*t*t + b;
71		return c/2*((t-=2)*t*t + 2) + b;
72	},
73	easeInQuart: function (x, t, b, c, d) {
74		return c*(t/=d)*t*t*t + b;
75	},
76	easeOutQuart: function (x, t, b, c, d) {
77		return -c * ((t=t/d-1)*t*t*t - 1) + b;
78	},
79	easeInOutQuart: function (x, t, b, c, d) {
80		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
81		return -c/2 * ((t-=2)*t*t*t - 2) + b;
82	},
83	easeInQuint: function (x, t, b, c, d) {
84		return c*(t/=d)*t*t*t*t + b;
85	},
86	easeOutQuint: function (x, t, b, c, d) {
87		return c*((t=t/d-1)*t*t*t*t + 1) + b;
88	},
89	easeInOutQuint: function (x, t, b, c, d) {
90		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
91		return c/2*((t-=2)*t*t*t*t + 2) + b;
92	},
93	easeInSine: function (x, t, b, c, d) {
94		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
95	},
96	easeOutSine: function (x, t, b, c, d) {
97		return c * Math.sin(t/d * (Math.PI/2)) + b;
98	},
99	easeInOutSine: function (x, t, b, c, d) {
100		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
101	},
102	easeInExpo: function (x, t, b, c, d) {
103		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
104	},
105	easeOutExpo: function (x, t, b, c, d) {
106		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
107	},
108	easeInOutExpo: function (x, t, b, c, d) {
109		if (t==0) return b;
110		if (t==d) return b+c;
111		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
112		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
113	},
114	easeInCirc: function (x, t, b, c, d) {
115		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
116	},
117	easeOutCirc: function (x, t, b, c, d) {
118		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
119	},
120	easeInOutCirc: function (x, t, b, c, d) {
121		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
122		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
123	},
124	easeInElastic: function (x, t, b, c, d) {
125		var s=1.70158;var p=0;var a=c;
126		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
127		if (a < Math.abs(c)) { a=c; var s=p/4; }
128		else var s = p/(2*Math.PI) * Math.asin (c/a);
129		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
130	},
131	easeOutElastic: function (x, t, b, c, d) {
132		var s=1.70158;var p=0;var a=c;
133		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
134		if (a < Math.abs(c)) { a=c; var s=p/4; }
135		else var s = p/(2*Math.PI) * Math.asin (c/a);
136		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
137	},
138	easeInOutElastic: function (x, t, b, c, d) {
139		var s=1.70158;var p=0;var a=c;
140		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
141		if (a < Math.abs(c)) { a=c; var s=p/4; }
142		else var s = p/(2*Math.PI) * Math.asin (c/a);
143		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
144		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
145	},
146	easeInBack: function (x, t, b, c, d, s) {
147		if (s == undefined) s = 1.70158;
148		return c*(t/=d)*t*((s+1)*t - s) + b;
149	},
150	easeOutBack: function (x, t, b, c, d, s) {
151		if (s == undefined) s = 1.70158;
152		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
153	},
154	easeInOutBack: function (x, t, b, c, d, s) {
155		if (s == undefined) s = 1.70158; 
156		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
157		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
158	},
159	easeInBounce: function (x, t, b, c, d) {
160		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
161	},
162	easeOutBounce: function (x, t, b, c, d) {
163		if ((t/=d) < (1/2.75)) {
164			return c*(7.5625*t*t) + b;
165		} else if (t < (2/2.75)) {
166			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
167		} else if (t < (2.5/2.75)) {
168			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
169		} else {
170			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
171		}
172	},
173	easeInOutBounce: function (x, t, b, c, d) {
174		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
175		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
176	}
177});
178
179/*
180 *
181 * TERMS OF USE - EASING EQUATIONS
182 * 
183 * Open source under the BSD License. 
184 * 
185 * Copyright © 2001 Robert Penner
186 * All rights reserved.
187 * 
188 * Redistribution and use in source and binary forms, with or without modification, 
189 * are permitted provided that the following conditions are met:
190 * 
191 * Redistributions of source code must retain the above copyright notice, this list of 
192 * conditions and the following disclaimer.
193 * Redistributions in binary form must reproduce the above copyright notice, this list 
194 * of conditions and the following disclaimer in the documentation and/or other materials 
195 * provided with the distribution.
196 * 
197 * Neither the name of the author nor the names of contributors may be used to endorse 
198 * or promote products derived from this software without specific prior written permission.
199 * 
200 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
201 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
202 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
203 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
204 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
205 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
206 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
207 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
208 * OF THE POSSIBILITY OF SUCH DAMAGE. 
209 *
210 */

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