<script> var speed = 10; //定义摇一摇加速度的临界值 值越小摇动的力度越小 var x = y = z = lastX = lastY = lastZ = 0; //初始化x,y,z上加速度的默认值 var isHaveShaked = false;//用于记录是否在动画执行中 function init() { //判断系统是否支持html5摇一摇的相关属性 if (window.DeviceMotionEvent) { window.addEventListener('devicemotion', deviceMotionHandler, false); } else { alert('not support mobile event'); } } function deviceMotionHandler() { /*获取x,y,z方向的即时加速度*/ var acceleration = event.accelerationIncludingGravity; x = acceleration.x; y = acceleration.y; z = acceleration.z; if (Math.abs(x - lastX) > speed || Math.abs(y - lastY) > speed || Math.abs(z - lastZ) > speed) { //摇一摇实际场景就是加速度的瞬间暴增爆减 if (!isHaveShaked) { alert(x); //自己测试各坐标的值。。 alert(y) alert(z); //手机震动1秒 if (navigator.vibrate) { navigator.vibrate(1000);//震动1000毫秒 } else if (navigator.webkitVibrate) { navigator.webkitVibrate(1000); } //模拟网络请求做想干的事 isHaveShaked = true; setTimeout(function () { isHaveShaked = false; //..... }, 2000); } } /*保存历史加速度*/ lastX = x; lastY = y; lastZ = z; } $(function () { init(); }); </script> |
|