forked from samuelclay/raphael-easing
-
Notifications
You must be signed in to change notification settings - Fork 0
/
raphael.easing.1.3.js
192 lines (188 loc) · 8.28 KB
/
raphael.easing.1.3.js
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
/*
* Raphael Easing - Adapted from jQuery Easing v1.3
*/
/*
* jQuery Easing v1.3 - http://gsgd.co.uk/sandbox/jquery/easing/
*
* Uses the built in easing capabilities added In jQuery 1.1
* to offer multiple easing options
*
* TERMS OF USE - jQuery Easing
*
* Open source under the BSD License.
*
* Copyright © 2008 George McGinley Smith
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the author nor the names of contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
// time: current time, beg: begInnIng value, diff: change/difference In value, dur: duration
Raphael.easing_formulas = {
linear: function( time, beg, diff, dur ) {
return time / dur;
},
easeInQuad: function (time, beg, diff, dur) {
return diff*(time/=dur)*time + beg;
},
easeOutQuad: function (time, beg, diff, dur) {
return -diff *(time/=dur)*(time-2) + beg;
},
easeInOutQuad: function (time, beg, diff, dur) {
if ((time/=dur/2) < 1) return diff/2*time*time + beg;
return -diff/2 * ((--time)*(time-2) - 1) + beg;
},
easeInCubic: function (time, beg, diff, dur) {
return diff*(time/=dur)*time*time + beg;
},
easeOutCubic: function (time, beg, diff, dur) {
return diff*((time=time/dur-1)*time*time + 1) + beg;
},
easeInOutCubic: function (time, beg, diff, dur) {
if ((time/=dur/2) < 1) return diff/2*time*time*time + beg;
return diff/2*((time-=2)*time*time + 2) + beg;
},
easeInQuart: function (time, beg, diff, dur) {
return diff*(time/=dur)*time*time*time + beg;
},
easeOutQuart: function (time, beg, diff, dur) {
return -diff * ((time=time/dur-1)*time*time*time - 1) + beg;
},
easeInOutQuart: function (time, beg, diff, dur) {
if ((time/=dur/2) < 1) return diff/2*time*time*time*time + beg;
return -diff/2 * ((time-=2)*time*time*time - 2) + beg;
},
easeInQuint: function (time, beg, diff, dur) {
return diff*(time/=dur)*time*time*time*time + beg;
},
easeOutQuint: function (time, beg, diff, dur) {
return diff*((time=time/dur-1)*time*time*time*time + 1) + beg;
},
easeInOutQuint: function (time, beg, diff, dur) {
if ((time/=dur/2) < 1) return diff/2*time*time*time*time*time + beg;
return diff/2*((time-=2)*time*time*time*time + 2) + beg;
},
easeInSine: function (time, beg, diff, dur) {
return -diff * Math.cos(time/dur * (Math.PI/2)) + diff + beg;
},
easeOutSine: function (time, beg, diff, dur) {
return diff * Math.sin(time/dur * (Math.PI/2)) + beg;
},
easeInOutSine: function (time, beg, diff, dur) {
return -diff/2 * (Math.cos(Math.PI*time/dur) - 1) + beg;
},
easeInExpo: function (time, beg, diff, dur) {
return (time==0) ? beg : diff * Math.pow(2, 10 * (time/dur - 1)) + beg;
},
easeOutExpo: function (time, beg, diff, dur) {
return (time==dur) ? beg+diff : diff * (-Math.pow(2, -10 * time/dur) + 1) + beg;
},
easeInOutExpo: function (time, beg, diff, dur) {
if (time==0) return beg;
if (time==dur) return beg+diff;
if ((time/=dur/2) < 1) return diff/2 * Math.pow(2, 10 * (time - 1)) + beg;
return diff/2 * (-Math.pow(2, -10 * --time) + 2) + beg;
},
easeInCirc: function (time, beg, diff, dur) {
return -diff * (Math.sqrt(1 - (time/=dur)*time) - 1) + beg;
},
easeOutCirc: function (time, beg, diff, dur) {
return diff * Math.sqrt(1 - (time=time/dur-1)*time) + beg;
},
easeInOutCirc: function (time, beg, diff, dur) {
if ((time/=dur/2) < 1) return -diff/2 * (Math.sqrt(1 - time*time) - 1) + beg;
return diff/2 * (Math.sqrt(1 - (time-=2)*time) + 1) + beg;
},
easeInElastic: function (time, beg, diff, dur) {
var s=1.70158;var p=0;var a=diff;
if (time==0) return beg; if ((time/=dur)==1) return beg+diff; if (!p) p=dur*.3;
if (a < Math.abs(diff)) { a=diff; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (diff/a);
return -(a*Math.pow(2,10*(time-=1)) * Math.sin( (time*dur-s)*(2*Math.PI)/p )) + beg;
},
easeOutElastic: function (time, beg, diff, dur) {
var s=1.70158;var p=0;var a=diff;
if (time==0) return beg; if ((time/=dur)==1) return beg+diff; if (!p) p=dur*.3;
if (a < Math.abs(diff)) { a=diff; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (diff/a);
return a*Math.pow(2,-10*time) * Math.sin( (time*dur-s)*(2*Math.PI)/p ) + diff + beg;
},
easeInOutElastic: function (time, beg, diff, dur) {
var s=1.70158;var p=0;var a=diff;
if (time==0) return beg; if ((time/=dur/2)==2) return beg+diff; if (!p) p=dur*(.3*1.5);
if (a < Math.abs(diff)) { a=diff; var s=p/4; }
else var s = p/(2*Math.PI) * Math.asin (diff/a);
if (time < 1) return -.5*(a*Math.pow(2,10*(time-=1)) * Math.sin( (time*dur-s)*(2*Math.PI)/p )) + beg;
return a*Math.pow(2,-10*(time-=1)) * Math.sin( (time*dur-s)*(2*Math.PI)/p )*.5 + diff + beg;
},
easeInBounce: function (time, beg, diff, dur) {
return diff - Raphael.easing_formulas.easeOutBounce (dur-time, 0, diff, dur) + beg;
},
easeOutBounce: function (time, beg, diff, dur) {
if ((time/=dur) < (1/2.75)) {
return diff*(7.5625*time*time) + beg;
} else if (time < (2/2.75)) {
return diff*(7.5625*(time-=(1.5/2.75))*time + .75) + beg;
} else if (time < (2.5/2.75)) {
return diff*(7.5625*(time-=(2.25/2.75))*time + .9375) + beg;
} else {
return diff*(7.5625*(time-=(2.625/2.75))*time + .984375) + beg;
}
},
easeInOutBounce: function (time, beg, diff, dur) {
if (time < dur/2) return Raphael.easing_formulas.easeInBounce (time*2, 0, diff, dur) * .5 + beg;
return Raphael.easing_formulas.easeOutBounce (time*2-dur, 0, diff, dur) * .5 + diff*.5 + beg;
}
};
/*
*
* TERMS OF USE - EASING EQUATIONS
*
* Open source under the BSD License.
*
* Copyright © 2001 Robert Penner
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* Redistributions of source code must retain the above copyright notice, this list of
* conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright notice, this list
* of conditions and the following disclaimer in the documentation and/or other materials
* provided with the distribution.
*
* Neither the name of the author nor the names of contributors may be used to endorse
* or promote products derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/