Statistics
| Branch: | Tag: | Revision:

root / static / js / easing.js @ c78c4531

History | View | Annotate | Download (8 kB)

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
39
jQuery.easing['jswing'] = jQuery.easing['swing'];
40
console.log('loaded');
41
jQuery.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
                console.log((t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b);
102
                return (t==d) ? b+c : c * (-Math.pow(2, -10 * t/d) + 1) + b;
103
        },
104
        easeInOutExpo: function (x, t, b, c, d) {
105
                if (t==0) return b;
106
                if (t==d) return b+c;
107
                if ((t/=d/2) < 1) return c/2 * Math.pow(2, 10 * (t - 1)) + b;
108
                return c/2 * (-Math.pow(2, -10 * --t) + 2) + b;
109
        },
110
        easeInCirc: function (x, t, b, c, d) {
111
                return -c * (Math.sqrt(1 - (t/=d)*t) - 1) + b;
112
        },
113
        easeOutCirc: function (x, t, b, c, d) {
114
                return c * Math.sqrt(1 - (t=t/d-1)*t) + b;
115
        },
116
        easeInOutCirc: function (x, t, b, c, d) {
117
                if ((t/=d/2) < 1) return -c/2 * (Math.sqrt(1 - t*t) - 1) + b;
118
                return c/2 * (Math.sqrt(1 - (t-=2)*t) + 1) + b;
119
        },
120
        easeInElastic: function (x, t, b, c, d) {
121
                var s=1.70158;var p=0;var a=c;
122
                if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
123
                if (a < Math.abs(c)) { a=c; var s=p/4; }
124
                else var s = p/(2*Math.PI) * Math.asin (c/a);
125
                return -(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
126
        },
127
        easeOutElastic: function (x, t, b, c, d) {
128
                var s=1.70158;var p=0;var a=c;
129
                if (t==0) return b;  if ((t/=d)==1) return b+c;  if (!p) p=d*.3;
130
                if (a < Math.abs(c)) { a=c; var s=p/4; }
131
                else var s = p/(2*Math.PI) * Math.asin (c/a);
132
                return a*Math.pow(2,-10*t) * Math.sin( (t*d-s)*(2*Math.PI)/p ) + c + b;
133
        },
134
        easeInOutElastic: function (x, t, b, c, d) {
135
                var s=1.70158;var p=0;var a=c;
136
                if (t==0) return b;  if ((t/=d/2)==2) return b+c;  if (!p) p=d*(.3*1.5);
137
                if (a < Math.abs(c)) { a=c; var s=p/4; }
138
                else var s = p/(2*Math.PI) * Math.asin (c/a);
139
                if (t < 1) return -.5*(a*Math.pow(2,10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )) + b;
140
                return a*Math.pow(2,-10*(t-=1)) * Math.sin( (t*d-s)*(2*Math.PI)/p )*.5 + c + b;
141
        },
142
        easeInBack: function (x, t, b, c, d, s) {
143
                if (s == undefined) s = 1.70158;
144
                return c*(t/=d)*t*((s+1)*t - s) + b;
145
        },
146
        easeOutBack: function (x, t, b, c, d, s) {
147
                if (s == undefined) s = 1.70158;
148
                return c*((t=t/d-1)*t*((s+1)*t + s) + 1) + b;
149
        },
150
        easeInOutBack: function (x, t, b, c, d, s) {
151
                if (s == undefined) s = 1.70158; 
152
                if ((t/=d/2) < 1) return c/2*(t*t*(((s*=(1.525))+1)*t - s)) + b;
153
                return c/2*((t-=2)*t*(((s*=(1.525))+1)*t + s) + 2) + b;
154
        },
155
        easeInBounce: function (x, t, b, c, d) {
156
                return c - jQuery.easing.easeOutBounce (x, d-t, 0, c, d) + b;
157
        },
158
        easeOutBounce: function (x, t, b, c, d) {
159
                if ((t/=d) < (1/2.75)) {
160
                        return c*(7.5625*t*t) + b;
161
                } else if (t < (2/2.75)) {
162
                        return c*(7.5625*(t-=(1.5/2.75))*t + .75) + b;
163
                } else if (t < (2.5/2.75)) {
164
                        return c*(7.5625*(t-=(2.25/2.75))*t + .9375) + b;
165
                } else {
166
                        return c*(7.5625*(t-=(2.625/2.75))*t + .984375) + b;
167
                }
168
        },
169
        easeInOutBounce: function (x, t, b, c, d) {
170
                if (t < d/2) return jQuery.easing.easeInBounce (x, t*2, 0, c, d) * .5 + b;
171
                return jQuery.easing.easeOutBounce (x, t*2-d, 0, c, d) * .5 + c*.5 + b;
172
        }
173
});
174

    
175
/*
176
 *
177
 * TERMS OF USE - EASING EQUATIONS
178
 * 
179
 * Open source under the BSD License. 
180
 * 
181
 * Copyright © 2001 Robert Penner
182
 * All rights reserved.
183
 * 
184
 * Redistribution and use in source and binary forms, with or without modification, 
185
 * are permitted provided that the following conditions are met:
186
 * 
187
 * Redistributions of source code must retain the above copyright notice, this list of 
188
 * conditions and the following disclaimer.
189
 * Redistributions in binary form must reproduce the above copyright notice, this list 
190
 * of conditions and the following disclaimer in the documentation and/or other materials 
191
 * provided with the distribution.
192
 * 
193
 * Neither the name of the author nor the names of contributors may be used to endorse 
194
 * or promote products derived from this software without specific prior written permission.
195
 * 
196
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY 
197
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
198
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
199
 *  COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
200
 *  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
201
 *  GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 
202
 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
203
 *  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 
204
 * OF THE POSSIBILITY OF SUCH DAMAGE. 
205
 *
206
 */