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Js版游戏打砖块源代码详细

 
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详细开发过程见下文

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>qqqun.21.777.12</title>
<style>
#mainDiv div{
	width:28px;height:13px;background-color:blue;position:absolute;
}
</style>
<script>
/**
*Author:撞墙的哈维;
*:2177712
*转载请注明出处及详细开发过程 blog.csdn.net/uucai
*/
var $ = function (id) {//方便按id提取
	return document.getElementById(id);
};

var zdivs = new Array();//用于存储所有的砖块div

window.onload=function(){
	var x =150;var y = 15;
	var m = $("mainDiv");
	
	for(var i=1;i<=9;i++){
		
		for(var j=0;j<i;j++){
			var di = document.createElement("div");
			di.style.top = y+(i-1)*15;
			di.style.left= x-i*15+j*30;
			m.appendChild(di);
			
			var di1 = document.createElement("div");
			di1.style.top = y+(i-1)*15;
			di1.style.left= x+300-i*15+j*30;
			m.appendChild(di1);
			
			zdivs[zdivs.length]=di;
			zdivs[zdivs.length]=di1;
		}		
		
		
	}

	for(var i=1;i<=10;i++){
			var di = document.createElement("div");
			di.style.top = y+150+(i-1)*15;
			di.style.left= x-15;
			m.appendChild(di);
			
			var di1 = document.createElement("div");
			di1.style.top = y+150+(i-1)*15;
			di1.style.left= x-15+300;
			m.appendChild(di1);
			
			zdivs[zdivs.length]=di;
			zdivs[zdivs.length]=di1;
	}
	
	for(var i=1;i<=9;i++){
		for(var j=0;j<i*2;j++){
			var di = document.createElement("div");
			di.style.top = y+450-(i-1)*15;
			di.style.left= x+150-i*30+j*30;
			m.appendChild(di);
			
			zdivs[zdivs.length]=di;
		}
	}
	
}


var qx = 295;//飞球初始坐标left
var qy = 580;//飞球初始坐标top
var jiao = 89;//初始飞行角度
var zx = 1;//控制left位移的正负
var zy = -1;//控制top位移的正负
var rp = null;//控制游戏进程

var qx1=0;
var qy1=0;


function go(){
		var qiu = $("qiuDiv");
		
		qx = qx +zx*Math.cos((2*Math.PI/360)*jiao);
		qy = qy +zy*Math.sin((2*Math.PI/360)*jiao);
		
		if(qy>=580){
			if(qx<bangleft||qx>bangleft+150){//判断是否接住
				clearTimeout(rp);
			}else{
				zy=-1;
				if((qx-bangleft)>(75)){
					jiao = 90-(qx-bangleft+10-75)/75*90;
					zx = 1;
				}else{
					jiao = 90 - (75-(qx-bangleft+10))/75*90;
					zx=-1;
				}
				rp = setTimeout("go()",1);
			}
		}else{if(qy<=480)
				for(var i=0,m = zdivs.length ;i<m;i++){
					var io = checkIsP(qx,qy,zdivs[i].offsetLeft,zdivs[i].offsetTop);
					
					if(io!=0){
						
						zdivs[i].style.display = "none";
						zdivs.splice(i,1);
						if(io==1){
							zx=1;
						}
						if(io==2){
							zx=-1;
						}
						if(io==3){
							zy=1;
						}
						if(io==4){
							zy=-1;
						}
						break;
					}				
				}
			
			if(qx>=600)zx=-1;
			if(qx<=0)zx=1;
			if(qy<=0)zy=1;
			qiu.style.left = qx+"px";	
			qiu.style.top = qy+"px";
			if(zdivs.length!=0)//如果砖块未打完
			rp = setTimeout("go()",1);
			}
}

function checkIsP(qx,qy,zx,zy){
	var f = {
		x:qx,
		y:qy,
		x1:qx+10,
		y1:qy+10
	}
	var z = {
		x:zx,
		y:zy,
		x1:zx+30,
		y1:zy+15
	}
	var sx;var sy;
	sx = f.x>=z.x?f.x:z.x;
	sy = f.y>=z.y?f.y:z.y;
	if(sx >= f.x && sx <= f.x1 && sy >= f.y && sy <= f.y1 && sx >= z.x && sx <= z.x1 && sy >= z.y && sy <= z.y1){
	
		return seSmall(Math.abs(f.x-z.x1),Math.abs(f.x1-z.x),Math.abs(f.y-z.y1),Math.abs(f.y1-z.y));
		
	}else{
		return 0;
	}
}

function seSmall(a,b,c,d){
	
	if(a<b&&a<c&&a<d){
		return 1;
	}
	if(b<a&&b<c&&b<d){
		return 2;
	}
	if(c<a&&c<b&&c<d){
		return 3;
	}
	if(d<b&&d<c&&d<a){
		return 4;
	}
}

var bangleft = 225;
var qiuleft = 295;
var bs = 10;//棒的移动频率
var kflag =  false;
//键盘处理事件
function keydownEvent(event){
		if(event.keyCode==32){//如果是空格
			if(!kflag)
			go()
			kflag = true;
		}
		
		
		var qiu = $("qiuDiv");
		var bang = $("bangDiv");
		if(event.keyCode==37){//如果是左箭头
			for(var i = 0;i<bs;i++){
				if(bangleft-1!=0){
					bangleft-=1;
					bang.style.left = bangleft+"px";
					if(!kflag){
						qiuleft-=1;
						qx-=1;
						qiu.style.left = qiuleft+"px";
					}
				}
			}
		}
		if(event.keyCode==39){//如果是右箭头
			for(var i = 0;i<bs;i++){
				if(bangleft+1!=450){
					bangleft+=1;
					bang.style.left = bangleft+"px";
					if(!kflag){
						qiuleft+=1;
						qx+=1;
						qiu.style.left = qiuleft+"px";
					}
				}
			}
		}
		
	}
</script>
</head>
<body style="background-color:grey;" onkeydown="keydownEvent(event)">
	<div align="center">
		<div style="width:600px;height:600px;background-color:#BFEFFF;border:5px groove #87CEFA;position:relative;" id="mainDiv">
			<div id="qiuDiv" style="width:10px;height:10px;top:580;left:295;background-color:red;"></div>
			<div id="bangDiv" style="width:150px;height:10px;bottom:1;left:225;background-color:black;"></div>
		</div>
	</div>
<body>
</html>

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