setTranslate.js
1.2 KB
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
export default function setTranslate(translate, byController) {
const swiper = this;
const {
rtlTranslate: rtl,
params,
$wrapperEl,
wrapperEl,
progress
} = swiper;
let x = 0;
let y = 0;
const z = 0;
if (isNaN(translate)) {
return
}
if (!$wrapperEl) return
if (swiper.isHorizontal()) {
x = rtl ? -translate : translate;
} else {
y = translate;
}
if (params.roundLengths) {
x = Math.floor(x);
y = Math.floor(y);
}
if (params.cssMode) {
wrapperEl[swiper.isHorizontal() ? 'scrollLeft' : 'scrollTop'] = swiper.isHorizontal() ? -x : -y;
} else if (!params.virtualTranslate) {
$wrapperEl.transform(`translate3d(${x}px, ${y}px, ${z}px)`);
}
swiper.previousTranslate = swiper.translate;
swiper.translate = swiper.isHorizontal() ? x : y; // Check if we need to update progress
let newProgress;
const translatesDiff = swiper.maxTranslate() - swiper.minTranslate();
if (translatesDiff === 0) {
newProgress = 0;
} else {
newProgress = (translate - swiper.minTranslate()) / translatesDiff;
}
if (newProgress !== progress) {
swiper.updateProgress(translate);
}
swiper.emit('setTranslate', swiper.translate, byController);
}