基本信息
源码名称：html5 php 陀螺仪(重力感应)
源码大小：2.29KB
文件格式：.php
开发语言：js
更新时间：2016-07-16
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   源码介绍 

<!doctype html>
<head>        
<meta charset="utf-8" />        
<meta name="viewport" content="width=device-width, initial-scale=1.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=no" />   
<title>手机摇一摇测试</title>    
</head>    
<body>    
<script>    
window.onload = function(){  
	if(window.DeviceOrientationEvent){
	    window.addEventListener('deviceorientation',DeviceOrientationHandler,false);
	}else{
	    alert("您的浏览器不支持DeviceOrientation");
	}      
}; 
    var last_update = 0;
    
     function deviceMotionHandler(eventData) {
       var acceleration = eventData.accelerationIncludingGravity; 
	var rawAcceleration = "["    Math.round(acceleration.x)   ", "  Math.round(acceleration.y)   ", "   Math.round(acceleration.z)   "]";
    var facingUp = -1;
  if (acceleration.z > 0) {
    facingUp =  1;
  }
  // 根据重力通过 acceleration.x|y 转换得到加速值,
  // 运用重力加速度9.81来计算得到一个百分比然后乘以转换角度90
  var tiltLR = Math.round(((acceleration.x) / 9.81) * -90);
  var tiltFB = Math.round(((acceleration.y   9.81) / 9.81) * 90 * facingUp);  
	var text=document.getElementById("text");

        var curTime = new Date().getTime();

        if ((curTime - last_update) > 100) {
            var diffTime = curTime - last_update;
            last_update = curTime;
            x = acceleration.x;
            y = acceleration.y;
            z = acceleration.z;
            
            last_x = tiltLR;
            last_y = tiltFB;
            last_z = z;
           text.innerHTML="x" x "<br/>y" y "</br>z" z;        }
    }

function DeviceOrientationHandler(event){
        var alpha = event.alpha,
            beta = event.beta,
            gamma = event.gamma;
        var dataContainerOrientation=document.getElementById("result");
        var stage=document.getElementById("text");
        if(alpha != null || beta != null || gamma != null){
            dataContainerOrientation.innerHTML = "alpha:"   alpha   "<br />beta:"   beta   "<br />gamma:"   gamma;
	       
           window.addEventListener('devicemotion', deviceMotionHandler, false);
        }else{
            dataContainerOrientation.innerHTML = "当前浏览器不支持DeviceOrientation";
        }
} 
</script>
<div id="text"></div>    
<div id="result">cdc</div>

</body>
</html>