这篇文章主要介绍了JS实现打砖块游戏的方法，具有一定借鉴价值，感兴趣的朋友可以参考下，希望大家阅读完这篇文章之后大有收获，下面让小编带着大家一起了解一下。
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具体内容如下
面向对象思想
#show{
width: 200px;
height: 600px;
position: absolute;
left:1122px ;
top:50px;
background-color: gray;
color: blue;
line-height: 100px;
font-size: larger;
align-self: center;
}
#lose{
position: absolute;
top: 300px;
left: 300px;
font-size: xx-large;
display: none;
}
li{
position: absolute;
list-style-type: none;
background-color: #000000;
width: 90px;
height: 30px;
border: 1px solid white;
}
#box{
position: absolute;
width: 920px;
height: 600px;
left: 200px;
top: 50px;
border: 2px solid red;
}
#board{
position: absolute;
top:590px;
left: 300px;
width: 200px;
height: 10px;
background-color: black;
}
#bubble{
position: absolute;
top: 565px;
left: 360px;
width: 25px;
height: 25px;
background-color: #FF0000;
border-radius: 50%;
}
window.onload=function(){
function $(id){
return document.getElementById(id);
}
function rand(min,max){
return Math.floor(Math.random()*(max-min+1))+min
}
//打砖块构造函数
function BlockBreak(){
this.box=$('box');//容器
this.list=document.getElementsByTagName('li');//砖块
this.board=$('board');//挡板
this.ball=$('bubble');//小球
this.fx=3;//横向
this.fy=-3;//纵向
this.leftInit=0;//砖块left初始值
this.topInit=0;//砖块top初始值
}
//初始化功能 摆放每一个砖块的位置
BlockBreak.prototype.init=function(){
for(var i=0;i=720){
that.board.style.left=720+'px';
}
}
},50)
}
var times=0;
var score=0;
//小球运动
BlockBreak.prototype.move=function(){
var timer=null;
var that=this;
timer=setInterval(function(){
that.ball.style.left=that.ball.offsetLeft+that.fx+'px';
that.ball.style.top=that.ball.offsetTop+that.fy+'px';
//小球四个方向反弹
if(that.ball.offsetTop<=0){
that.fy*=-1;
}
if(that.ball.offsetLeft<=0){
that.fx*=-1;
}
if(that.ball.offsetLeft>=(that.box.offsetWidth-that.ball.offsetWidth)){
that.fx*=-1;
}
if(that.ball.offsetTop>=(that.box.offsetHeight-that.ball.offsetHeight)){
//游戏结束
$('lose').style.display='block';
clearInterval(timer);
$('res').innerHTML='游戏结束'+"
";
}
//小球挡板碰撞反弹
if(that.ball.offsetTop+that.ball.offsetHeight>=that.board.offsetTop){
if(that.ball.offsetLeft+that.ball.offsetWidth>=that.board.offsetLeft){
if(that.ball.offsetLeft<=that.board.offsetLeft+that.board.offsetWidth){
that.fy*=-1;
times++;
$('times').innerHTML=times+'次'+'
';
}
}
}
//小球砖块反弹
//以一个小球为基准 遍历所有砖块，找到满足条件的砖块
for(var i=0;i=that.list[i].offsetLeft){
if(that.ball.offsetLeft<=that.list[i].offsetLeft+that.list[i].offsetWidth){
that.fy*=-1;
that.list[i].style.display='none';
score++;
$('score').innerHTML=score+'分'+'
';
}
}
}
}
},10)
}
var bb=new BlockBreak();
bb.init();
$('start').onclick=function(){
$('times').innerHTML=0+'次'+'
';
$('score').innerHTML=0+'分'+"
";
$('res').innerHTML= "正在游戏"+"
";
bb.keydown();
bb.move();
}
}
游戏重要信息
当前时间:
加载中...
游戏状态:
加载中...
挡板打球次数:
加载中...
游戏得分:
加载中...
