我從網(wǎng)上找到了一個(gè)案例,是用來(lái)?yè)u一搖換顏色的,非常好用,不過(guò)測(cè)試后,需要注意的有:
1、必須要ios或者是安卓4.0以上的才能實(shí)現(xiàn)功能應(yīng)用。
2、如果加如z坐標(biāo)的判斷,就會(huì)出現(xiàn)屏幕亂變顏色的情況,估計(jì)太敏感了…………或者是沒(méi)找到對(duì)的用法,希望大家能給指正
3、這個(gè)功能稍微改改,就可以變成抽獎(jiǎng)的方法,比大轉(zhuǎn)盤(pán)、刮刮卡要時(shí)尚些,哈哈
<script type="text/javascript">
var color = new Array('red', 'blue', 'yellow', 'green', '#00f', '#0ff');
if(window.DeviceMotionEvent) {
var speed = 25;
var x = y = z = lastX = lastY = lastZ = 0;
window.addEventListener('devicemotion', function(){
var acceleration =event.accelerationIncludingGravity;
x = acceleration.x;
y = acceleration.y;
//z = acceleration.z;
if(Math.abs(x-lastX) > speed || Math.abs(y-lastY) > speed ) {
document.body.style.backgroundColor = color[Math.round(Math.random()*10)%6];
}
lastX = x;
lastY = y;
//lastZ = z;
}, false);
}
</script>