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
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
|
/*! jqueryanimatesprite - v1.3.5 - 2014-10-17
* http://blaiprat.github.io/jquery.animateSprite/
* Copyright (c) 2014 blai Pratdesaba; Licensed MIT */
(function ($, window, undefined) {
'use strict';
var init = function (options) {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
// ASYNC
// If we don't specify the columns, we
// can discover using the background size
var discoverColumns = function (cb) {
var imageSrc = $this.css('background-image').replace(/url\((['"])?(.*?)\1\)/gi, '$2');
var image = new Image();
image.onload = function () {
var width = image.width,
height = image.height;
cb(width, height);
};
image.src = imageSrc;
};
if (!data) {
$this.data('animateSprite', {
settings: $.extend({
width: $this.width(),
height: $this.height(),
totalFrames: false,
columns: false,
fps: 12,
complete: function () {},
loop: false,
autoplay: true
}, options),
currentFrame: 0,
controlAnimation: function () {
var checkLoop = function (currentFrame, finalFrame) {
currentFrame++;
if (currentFrame >= finalFrame) {
if (this.settings.loop === true) {
currentFrame = 0;
data.controlTimer();
} else {
this.settings.complete();
}
} else {
data.controlTimer();
}
return currentFrame;
};
if (this.settings.animations === undefined) {
$this.animateSprite('frame', this.currentFrame);
this.currentFrame = checkLoop.call(this, this.currentFrame, this.settings.totalFrames);
} else {
if (this.currentAnimation === undefined) {
for (var k in this.settings.animations) {
this.currentAnimation = this.settings.animations[k];
break;
}
}
var newFrame = this.currentAnimation[this.currentFrame];
$this.animateSprite('frame', newFrame);
this.currentFrame = checkLoop.call(this, this.currentFrame, this.currentAnimation.length);
}
},
controlTimer: function () {
// duration overrides fps
var speed = 1000 / data.settings.fps;
if (data.settings.duration !== undefined) {
speed = data.settings.duration / data.settings.totalFrames;
}
data.interval = setTimeout(function () {
data.controlAnimation();
}, speed);
}
});
data = $this.data('animateSprite');
// Setting up columns and total frames
if (!data.settings.columns) {
// this is an async function
discoverColumns(function (width, height) {
// getting amount of columns
data.settings.columns = Math.round(width / data.settings.width);
// if totalframes are not specified
if (!data.settings.totalFrames) {
// total frames is columns times rows
var rows = Math.round(height / data.settings.height);
data.settings.totalFrames = data.settings.columns * rows;
}
if (data.settings.autoplay) {
data.controlTimer();
}
});
} else {
// if everything is already set up
// we start the interval
if (data.settings.autoplay) {
data.controlTimer();
}
}
}
});
};
var frame = function (frameNumber) {
// frame: number of the frame to be displayed
return this.each(function () {
if ($(this).data('animateSprite') !== undefined) {
var $this = $(this),
data = $this.data('animateSprite'),
row = Math.floor(frameNumber / data.settings.columns),
column = frameNumber % data.settings.columns;
$this.css('background-position', (-data.settings.width * column) + 'px ' + (-data.settings.height * row) + 'px');
}
});
};
var stop = function () {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
clearTimeout(data.interval);
});
};
var resume = function () {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
// always st'op animation to prevent overlapping intervals
$this.animateSprite('stopAnimation');
data.controlTimer();
});
};
var restart = function () {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
$this.animateSprite('stopAnimation');
data.currentFrame = 0;
data.controlTimer();
});
};
var play = function (animationName) {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
if (typeof animationName === 'string') {
$this.animateSprite('stopAnimation');
if (data.settings.animations[animationName] !== data.currentAnimation) {
data.currentFrame = 0;
data.currentAnimation = data.settings.animations[animationName];
}
data.controlTimer();
} else {
$this.animateSprite('stopAnimation');
data.controlTimer();
}
});
};
var fps = function (val) {
return this.each(function () {
var $this = $(this),
data = $this.data('animateSprite');
// data.fps
data.settings.fps = val;
});
};
var methods = {
init: init,
frame: frame,
stop: stop,
resume: resume,
restart: restart,
play: play,
stopAnimation: stop,
resumeAnimation: resume,
restartAnimation: restart,
fps: fps
};
$.fn.animateSprite = function (method) {
if (methods[method]) {
return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
} else if (typeof method === 'object' || ! method) {
return methods.init.apply(this, arguments);
} else {
$.error('Method ' + method + ' does not exist on jQuery.animateSprite');
}
};
})(jQuery, window);
|
