https://aast.edu/template/50yrs-slider/js/jquery.easing.js

1jQuery.easing['jswing'] = jQuery.easing['swing'];
2
3jQuery.extend( jQuery.easing,
4{
5	def: 'easeOutQuad',
6	swing: function (x, t, b, c, d) {
7		//alert(jQuery.easing.default);
8		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
9	},
10	easeInQuad: function (x, t, b, c, d) {
11		return c*(t/=d)*t + b;
12	},
13	easeOutQuad: function (x, t, b, c, d) {
14		return -c *(t/=d)*(t-2) + b;
15	},
16	easeInOutQuad: function (x, t, b, c, d) {
17		if ((t/=d/2) < 1) return c/2*t*t + b;
18		return -c/2 * ((--t)*(t-2) - 1) + b;
19	},
20	easeInCubic: function (x, t, b, c, d) {
21		return c*(t/=d)*t*t + b;
22	},
23	easeOutCubic: function (x, t, b, c, d) {
24		return c*((t=t/d-1)*t*t + 1) + b;
25	},
26	easeInOutCubic: function (x, t, b, c, d) {
27		if ((t/=d/2) < 1) return c/2*t*t*t + b;
28		return c/2*((t-=2)*t*t + 2) + b;
29	},
30	easeInQuart: function (x, t, b, c, d) {
31		return c*(t/=d)*t*t*t + b;
32	},
33	easeOutQuart: function (x, t, b, c, d) {
34		return -c * ((t=t/d-1)*t*t*t - 1) + b;
35	},
36	easeInOutQuart: function (x, t, b, c, d) {
37		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
38		return -c/2 * ((t-=2)*t*t*t - 2) + b;
39	},
40	easeInQuint: function (x, t, b, c, d) {
41		return c*(t/=d)*t*t*t*t + b;
42	},
43	easeOutQuint: function (x, t, b, c, d) {
44		return c*((t=t/d-1)*t*t*t*t + 1) + b;
45	},
46	easeInOutQuint: function (x, t, b, c, d) {
47		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
48		return c/2*((t-=2)*t*t*t*t + 2) + b;
49	},
50	easeInSine: function (x, t, b, c, d) {
51		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
52	},
53	easeOutSine: function (x, t, b, c, d) {
54		return c * Math.sin(t/d * (Math.PI/2)) + b;
55	},
56	easeInOutSine: function (x, t, b, c, d) {
57		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
58	},
59	easeInExpo: function (x, t, b, c, d) {
60		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
61	},
62	easeOutExpo: function (x, t, b, c, d) {
63		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
64	},
65	easeInOutExpo: function (x, t, b, c, d) {
66		if (t==0) return b;
67		if (t==d) return b+c;
68		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
69		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
70	},
71	easeInCirc: function (x, t, b, c, d) {
72		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
73	},
74	easeOutCirc: function (x, t, b, c, d) {
75		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
76	},
77	easeInOutCirc: function (x, t, b, c, d) {
78		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
79		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
80	},
81	easeInElastic: function (x, t, b, c, d) {
82		var s=1.70158;var p=0;var a=c;
83		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
84		if (a < Math.abs(c)) { a=c; var s=p/4; }
85		else var s = p/(2*Math.PI) * Math.asin (c/a);
86		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
87	},
88	easeOutElastic: function (x, t, b, c, d) {
89		var s=1.70158;var p=0;var a=c;
90		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
91		if (a < Math.abs(c)) { a=c; var s=p/4; }
92		else var s = p/(2*Math.PI) * Math.asin (c/a);
93		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
94	},
95	easeInOutElastic: function (x, t, b, c, d) {
96		var s=1.70158;var p=0;var a=c;
97		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
98		if (a < Math.abs(c)) { a=c; var s=p/4; }
99		else var s = p/(2*Math.PI) * Math.asin (c/a);
100		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
101		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
102	},
103	easeInBack: function (x, t, b, c, d, s) {
104		if (s == undefined) s = 1.70158;
105		return c*(t/=d)*t*((s+1)*t - s) + b;
106	},
107	easeOutBack: function (x, t, b, c, d, s) {
108		if (s == undefined) s = 1.70158;
109		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
110	},
111	easeInOutBack: function (x, t, b, c, d, s) {
112		if (s == undefined) s = 1.70158; 
113		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
114		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
115	},
116	easeInBounce: function (x, t, b, c, d) {
117		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
118	},
119	easeOutBounce: function (x, t, b, c, d) {
120		if ((t/=d) < (1/2.75)) {
121			return c*(7.5625*t*t) + b;
122		} else if (t < (2/2.75)) {
123			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
124		} else if (t < (2.5/2.75)) {
125			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
126		} else {
127			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
128		}
129	},
130	easeInOutBounce: function (x, t, b, c, d) {
131		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
132		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
133	}
134});