详解html5如何获取手机陀螺仪角度信息的示例代码
html5事件中,deviceorientation事件,此事件是检测设备方向变化时的事件。其常用属性为alpha(x)、beta(y)、gamma(z)。
默认将手机垂直,且正面(90度)冲着自己
alpha:左右旋转
beta:前后旋转
gamma:扭转(自转)
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<html><head> <title>DeviceOrientationEvent</title> <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"> <script src="js/common/jquery.min.js"></script> <script src="js/common/eventutil.js"></script></head><body> <p id="arrow"></p></body></html><script> try { var text = ""; window.addEventListener("deviceorientation", orientationHandler, false); function orientationHandler(event) { text = "" var arrow = document.getElementById("arrow"); text += "左右旋转:rotate alpha{" + Math.round(event.alpha) + "deg)<p>"; text += "前后旋转:rotate beta{" + Math.round(event.beta) + "deg)<p>"; text += "扭转设备:rotate gamma{" + Math.round(event.gamma) + "deg)<p>"; arrow.innerHTML = text; } } catch (e) { $("#arrow").html(e.message) }</script>