分享网页检测摇一摇实例代码

编程学习 2021-07-04 21:04www.dzhlxh.cn编程入门
这篇文章主要介绍了分享网页检测摇一摇实例代码的相关资料,需要的朋友可以参考下

废话不多说了,直接给大家贴代码了,具体代码如下所示:

var Shaker = function(f){
// 摇一摇: 检测到3次摇动算一次摇一摇, 摇动后调用处理函数, 不再检测摇动
// f 摇动后的回调
this.callback = f;
this.status = 0; // 0: 侦听未开始 1: 侦听开始 
this.speed = 15;
this.lastX = this.lastY = this.lastZ = 0;
this.num = 0; // 检测触发次数
this.minNum = 3; // 最小检测触发次数
this.beginSecond = 0; // 开始检测的秒数
this.maxSecond = 3; // 最大间隔秒数
this.handlerWrap = function(){};
}
Shaker.prototype.listen = function(){
// 侦听摇动
var that = this;
if (this.status == 0 && window.DeviceMotionEvent) {
this.status = 1;
this.handlerWrap = function(event){
that.handler(event)
}
window.addEventListener('devicemotion', this.handlerWrap, false);
}
}
Shaker.prototype.release = function(){
// 停止侦听
if(this.status == 1){
if (window.DeviceMotionEvent) {
window.removeEventListener('devicemotion', this.handlerWrap);
}
this.status = 0;
this.num = 0;
}
}
Shaker.prototype.reset = function(){
// 重置检测
if(this.status == 1){
this.num = 0;
}
}
Shaker.prototype.handler = function(event){
// 传感器事件处理
if(this.status == 1){
var acceleration =event.accelerationIncludingGravity;
var x = acceleration.x;
var y = acceleration.y;
var z = acceleration.z;
if( Math.abs(x-this.lastX) > this.speed || 
Math.abs(y-this.lastY) > this.speed || 
Math.abs(z-this.lastZ) > this.speed ) 
{
if(this.num == 0){
this.beginSecond = Date.parse(new Date()) / 1000
}
this.num += 1;
}
this.lastX = x;
this.lastY = y;
this.lastZ = z;
if(this.num >= this.minNum){
var now = Date.parse(new Date()) / 1000;
if(now - this.beginSecond <= this.maxSecond){
this.release();
if(this.callback){
this.callback();
}
}
this.reset();
}
}
}

用法:

var s = new Shaker(function(){ /*摇动后的回调*/ });
s.listen();

好了,本文所述给大家介绍到这里,后续还会持续更新,希望本文给大家分享网页检测摇一摇实例代码的相关知识对大家有所帮助。

Copyright © 2016-2025 www.dzhlxh.cn 金源码 版权所有 Power by

网站模板下载|网络推广|微博营销|seo优化|视频营销|网络营销|微信营销|网站建设|织梦模板|小程序模板