手机端重力感应判断物品方向
2017-08-25 本文已影响136人
madisn
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
<style>
* {
padding: 0;
margin: 0;
}
#one {
width: 100px;
height: 100px;
background-color: yellow;
position: absolute;
}
</style>
</head>
<body>
<div id="one"></div>
<script>
var one = document.getElementById('one');
if (window.DeviceMotionEvent) {
window.addEventListener("devicemotion", function (event) {
var gravityNum = event.accelerationIncludingGravity;
var num = gravityNum .x;//x轴方向重力加速度，右侧倾斜<0,左侧倾斜>0
console.log(num);
if (num < -3) {
one.style.left = '100px';
} else if (num > 3) {
one.style.left = 0;
}
}, false);
} else {
console.log("您的手机不支持重力感应");
}
</script>
</body>
</html>
