PageRenderTime 42ms CodeModel.GetById 4ms app.highlight 32ms RepoModel.GetById 1ms app.codeStats 1ms

/assets/jquery.easing.js

http://cfilebrowser.googlecode.com/
JavaScript | 205 lines | 132 code | 3 blank | 70 comment | 38 complexity | 5d1439f76537cbe4784f036b47540663 MD5 | raw file
  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		//alert(jQuery.easing.default);
 46		return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
 47	},
 48	easeInQuad: function (x, t, b, c, d) {
 49		return c*(t/=d)*t + b;
 50	},
 51	easeOutQuad: function (x, t, b, c, d) {
 52		return -c *(t/=d)*(t-2) + b;
 53	},
 54	easeInOutQuad: function (x, t, b, c, d) {
 55		if ((t/=d/2) < 1) return c/2*t*t + b;
 56		return -c/2 * ((--t)*(t-2) - 1) + b;
 57	},
 58	easeInCubic: function (x, t, b, c, d) {
 59		return c*(t/=d)*t*t + b;
 60	},
 61	easeOutCubic: function (x, t, b, c, d) {
 62		return c*((t=t/d-1)*t*t + 1) + b;
 63	},
 64	easeInOutCubic: function (x, t, b, c, d) {
 65		if ((t/=d/2) < 1) return c/2*t*t*t + b;
 66		return c/2*((t-=2)*t*t + 2) + b;
 67	},
 68	easeInQuart: function (x, t, b, c, d) {
 69		return c*(t/=d)*t*t*t + b;
 70	},
 71	easeOutQuart: function (x, t, b, c, d) {
 72		return -c * ((t=t/d-1)*t*t*t - 1) + b;
 73	},
 74	easeInOutQuart: function (x, t, b, c, d) {
 75		if ((t/=d/2) < 1) return c/2*t*t*t*t + b;
 76		return -c/2 * ((t-=2)*t*t*t - 2) + b;
 77	},
 78	easeInQuint: function (x, t, b, c, d) {
 79		return c*(t/=d)*t*t*t*t + b;
 80	},
 81	easeOutQuint: function (x, t, b, c, d) {
 82		return c*((t=t/d-1)*t*t*t*t + 1) + b;
 83	},
 84	easeInOutQuint: function (x, t, b, c, d) {
 85		if ((t/=d/2) < 1) return c/2*t*t*t*t*t + b;
 86		return c/2*((t-=2)*t*t*t*t + 2) + b;
 87	},
 88	easeInSine: function (x, t, b, c, d) {
 89		return -c * Math.cos(t/d * (Math.PI/2)) + c + b;
 90	},
 91	easeOutSine: function (x, t, b, c, d) {
 92		return c * Math.sin(t/d * (Math.PI/2)) + b;
 93	},
 94	easeInOutSine: function (x, t, b, c, d) {
 95		return -c/2 * (Math.cos(Math.PI*t/d) - 1) + b;
 96	},
 97	easeInExpo: function (x, t, b, c, d) {
 98		return (t==0) ? b : c * Math.pow(2, 10 * (t/d - 1)) + b;
 99	},
100	easeOutExpo: function (x, t, b, c, d) {
101		return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
102	},
103	easeInOutExpo: function (x, t, b, c, d) {
104		if (t==0) return b;
105		if (t==d) return b+c;
106		if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
107		return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
108	},
109	easeInCirc: function (x, t, b, c, d) {
110		return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
111	},
112	easeOutCirc: function (x, t, b, c, d) {
113		return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
114	},
115	easeInOutCirc: function (x, t, b, c, d) {
116		if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
117		return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
118	},
119	easeInElastic: function (x, t, b, c, d) {
120		var s=1.70158;var p=0;var a=c;
121		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
122		if (a < Math.abs(c)) { a=c; var s=p/4; }
123		else var s = p/(2*Math.PI) * Math.asin (c/a);
124		return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
125	},
126	easeOutElastic: function (x, t, b, c, d) {
127		var s=1.70158;var p=0;var a=c;
128		if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
129		if (a < Math.abs(c)) { a=c; var s=p/4; }
130		else var s = p/(2*Math.PI) * Math.asin (c/a);
131		return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
132	},
133	easeInOutElastic: function (x, t, b, c, d) {
134		var s=1.70158;var p=0;var a=c;
135		if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
136		if (a < Math.abs(c)) { a=c; var s=p/4; }
137		else var s = p/(2*Math.PI) * Math.asin (c/a);
138		if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
139		return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
140	},
141	easeInBack: function (x, t, b, c, d, s) {
142		if (s == undefined) s = 1.70158;
143		return c*(t/=d)*t*((s+1)*t - s) + b;
144	},
145	easeOutBack: function (x, t, b, c, d, s) {
146		if (s == undefined) s = 1.70158;
147		return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
148	},
149	easeInOutBack: function (x, t, b, c, d, s) {
150		if (s == undefined) s = 1.70158; 
151		if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
152		return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
153	},
154	easeInBounce: function (x, t, b, c, d) {
155		return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
156	},
157	easeOutBounce: function (x, t, b, c, d) {
158		if ((t/=d) < (1/2.75)) {
159			return c*(7.5625*t*t) + b;
160		} else if (t < (2/2.75)) {
161			return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
162		} else if (t < (2.5/2.75)) {
163			return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
164		} else {
165			return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
166		}
167	},
168	easeInOutBounce: function (x, t, b, c, d) {
169		if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
170		return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
171	}
172});
173
174/*
175 *
176 * TERMS OF USE - EASING EQUATIONS
177 * 
178 * Open source under the BSD License. 
179 * 
180 * Copyright © 2001 Robert Penner
181 * All rights reserved.
182 * 
183 * Redistribution and use in source and binary forms, with or without modification, 
184 * are permitted provided that the following conditions are met:
185 * 
186 * Redistributions of source code must retain the above copyright notice, this list of 
187 * conditions and the following disclaimer.
188 * Redistributions in binary form must reproduce the above copyright notice, this list 
189 * of conditions and the following disclaimer in the documentation and/or other materials 
190 * provided with the distribution.
191 * 
192 * Neither the name of the author nor the names of contributors may be used to endorse 
193 * or promote products derived from this software without specific prior written permission.
194 * 
195 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
196 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
197 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
198 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
199 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
200 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
201 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
202 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
203 * OF THE POSSIBILITY OF SUCH DAMAGE. 
204 *
205 */