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Every day a JS small demo mobile panorama scene implementation-Panorama decoration map. Main points of knowledge: CSS3, rotation angle detection

Source: Internet
Author: User
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<! DOCTYPE html>
<meta name= "viewport" content= "Width=device-width,user-scalable=no"/>
<meta charset= "UTF-8" >
<title>Document</title>
<style type= "Text/css" >
Body
HTML {
margin:0;
height:100%;
Overflow:hidden;
position:relative;
}
. Wrap {
position:relative;
height:100%;
}
. View,
. BOXZ,
. box {
Position:absolute;
left:50%;
top:50%;
-webkit-transform-style:preserve-3d;
transform-style:preserve-3d;
}
. box {
-webkit-transform:rotatey (0DEG);
Transform:rotatey (0DEG);
-webkit-animation:36s rotate infinite linear;
animation:36s rotate infinite linear;
}
. Box span {
Position:absolute;
left:50%;
top:50%;
Margin: -512px 0 0-512px;
width:1024px;
height:1024px;
Text-align:center;
-webkit-backface-visibility:hidden;
Backface-visibility:hidden;
/*
Back, angle relative to the angle of the parent is the background
*/
}
. Box Span:nth-of-type (1) {
-webkit-transform:rotatey (0deg) Translatez ( -510px);
Transform:rotatey (0deg) Translatez ( -511px);
Background:url (img/neg-x.png) no-repeat;
}
. Box Span:nth-of-type (2) {
-webkit-transform:rotatey (90deg) Translatez ( -511px);
Transform:rotatey (90deg) Translatez ( -511px);
Background:url (img/neg-z.png) no-repeat;
}
. Box Span:nth-of-type (3) {
-webkit-transform:rotatey (180deg) Translatez ( -511px);
Transform:rotatey (180deg) Translatez ( -511px);
Background:url (img/pos-x.png) no-repeat;
}
. Box Span:nth-of-type (4) {
Background:url (img/pos-z.png) no-repeat;
-webkit-transform:rotatey (270deg) Translatez ( -511px);
Transform:rotatey (270deg) Translatez ( -511px);
}
. Box Span:nth-of-type (5) {
Background:url (img/pos-y.png);
-webkit-transform:rotatex ( -90deg) Translatez ( -511px);
Transform:rotatex ( -90deg) Translatez ( -511px);
}
. Box Span:nth-of-type (6) {
Background:url (img/neg-y.png);
-webkit-transform:rotatex (90deg) Translatez ( -511px);
Transform:rotatex (90deg) Translatez ( -511px);
}
/*
Transform-origin z-axis settings, compatibility issues under iOS
*/
#loading {
position:fixed;
left:0;
top:0;
width:100%;
height:100%;
Z-index:10;
Background: #fff URL (img/loading.gif) no-repeat Center Center;
}
</style>
<body>
<div id= "Loading" ></div>
<script type= "Text/javascript" >
/* Test Picture loading complete */
(function () {
var imgdata = [
"Img/neg-x.png",
"Img/neg-y.png",
"Img/neg-z.png",
"Img/pos-x.png",
"Img/pos-y.png",
"Img/pos-z.png"
];
var nub = 0;
for (var i = 0; i < imgdata.length; i++) {
Load (Imgdata[i]);
}
function load (URL) {
var img = new Image ();
Img.onload = function () {
nub++;
if (nub = = imgdata.length) {
Loading.style.display = "None";
}
};
img.src = URL;
}
})();
</script>
<div class= "Wrap" >
<div class= "View" >
<div class= "Boxz" >
<div class= "box" >
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
<span></span>
</div>
</div>
</div>
</div>
<script type= "Text/javascript" src= "Js/m.touch.js" ></script>
<script type= "Text/javascript" >
(function () {
Setperspective ();
Window.addeventlistener (' Resize ', function (e) {
Setperspective ();
});
function setperspective () {
var wrap = Document.queryselector ('. Wrap ');
var view = Document.queryselector ('. View ');
var boxz = Document.queryselector ('. Boxz ');
var deg = 45;//angle of view (the smaller the angle, the wider the range, the greater the angle, the less the scope to see);
var Z = Math.Round (Math.tan (deg*math.pi/180) *WRAP.CLIENTHEIGHT/2);//Calculate depth of field
wrap.style.perspective = Wrap.style.WebKitPerspective = Z + "px";
The distance from the scene is constant, the size of the picture will not change
CSS (view, "Translatez", Z);
CSS (BOXZ, "Translatez",-100);
}
})();
(function () {
var box = Document.queryselector ('. box ');
CSS (box, "Rotatex", 0);
CSS (box, "Rotatey", 0);
Window.addeventlistener (' Deviceorientation ', function (e) {
var x = E.beta;
var y = E.gamma;
var z = e.alpha;
var Rotatex = x-90;
var Rotatey = (y + z)%360;
if (Rotatex > 60) {
Rotatex = 60;
} else if (Rotatex <-60) {
Rotatex =-60;
}
CSS (box, "Rotatex", Rotatex);
CSS (box, "Rotatey",-rotatey);
});
})();
http://antario.act.qq.com/
</script>
</body>

Every day a JS small demo mobile panorama scene implementation-Panorama decoration map. Main points of knowledge: CSS3, rotation angle detection

This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

Related Keywords:
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