-
Notifications
You must be signed in to change notification settings - Fork 116
/
jquery.konami.js
59 lines (56 loc) · 1.64 KB
/
jquery.konami.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
/*!
* jQuery Konami code trigger v. 0.1
*
* Copyright (c) 2009 Joe Mastey
* Dual licensed under the MIT and GPL licenses:
* http://www.opensource.org/licenses/mit-license.php
* http://www.gnu.org/licenses/gpl.html
*
* Usage:
* // konami code unlocks the tetris
* $('#tetris').konami(function(){
* $(this).show();
* });
*
*
* // enable all weapons on 'idkfa'.
* // note that each weapon must be unlocked by its own code entry
* $('.weapon').konami(function(){
* $(this).addClass('enabled');
* }, {'code':[73, 68, 75, 70, 65]});
*
*
* // listens on any element that can trigger a keyup event.
* // unlocks all weapons at once
* $(document).konami(function(){
* $('.weapon').addClass('enabled');
* }, {'code':[73, 68, 75, 70, 65]});
*
*
*/
(function($){
$.fn.konami = function( fn, params ) {
params = $.extend( {}, $.fn.konami.params, params );
this.each(function(){
var tgt = $(this);
tgt.bind( 'konami', fn )
.bind( 'keyup', function(event) { $.fn.konami.checkCode( event, params, tgt ); } );
});
return this;
};
$.fn.konami.params = {
'code' : [38, 38, 40, 40, 37, 39, 37, 39, 66, 65],
'step' : 0
};
$.fn.konami.checkCode = function( event, params, tgt ) {
if(event.keyCode == params.code[params.step]) {
params.step++;
} else {
params.step = 0;
}
if(params.step == params.code.length) {
tgt.trigger('konami');
params.step = 0;
}
};
})(jQuery);