利用html5实现类似微信的手机摇一摇功能,并播放音乐。
1、 deviceOrientation:封装了方向传感器数据的事件,可以获取手机静止状态下的方向数据,例如手机所处角度、方位、朝向等。
2、 deviceMotion:封装了运动传感器数据的事件,可以获取手机运动状态下的运动加速度等数据。
<!DOCTYPE html> <html lang="en"> <head> <meta charset="utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0" /> <title>摇一摇功能</title> <script type="text/javascript">
var SHAKE_THRESHOLD = 3000;
var last_update = 0;
var x = y = z = last_x = last_y = last_z = 0;
function init() {
if (window.DeviceMotionEvent) {
window.addEventListener('devicemotion', deviceMotionHandler, false);
} else {
alert('not support mobile event');
}
}
function deviceMotionHandler(eventData) {
var acceleration = eventData.accelerationIncludingGravity;
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;
var speed = Math.abs(x + y + z - last_x - last_y - last_z) / diffTime * 10000;
if (speed > SHAKE_THRESHOLD) {
alert("摇动了");
media.setAttribute("src", "http://211.148.5.228:8002/Pages/test/Kalimba.mp3");
media.load();
media.play();
}
last_x = x;
last_y = y;
last_z = z;
}
}
</script> </head> <body onload="init()"> <p>用力摇一摇你手机</p> <audio style="display:hiden" id="musicBox" preload="metadata" controls src="http://211.148.5.228:8002/Pages/test/Kalimba.mp3" autoplay="false"> </audio> </body> </html>
可以使用shake.js 地址:https://github.com/alexgibson/shake.js