手機 搖-搖

標籤：

init();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("搖動了");                    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;            }        }

 

手機 搖-搖