js小球撞击游戏源码

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以下是 js小球撞击游戏源码的示例演示效果:
当前平台(PC电脑)
平台:
整屏预览
部分效果截图:
HTML代码(index.html):
<HTML>
<HEAD>
<TITLE>js小球撞击游戏源码下载</TITLE>

<META http-equiv=Content-Type content="text/html; charset=gb2312">
<STYLE type=text/css>A:link {
	COLOR: #ffffff; TEXT-DECORATION: none
}
A:visited {
	COLOR: #ffffff; TEXT-DECORATION: none
}
A:active {
	COLOR: #ffffff; TEXT-DECORATION: none
}
A:hover {
	COLOR: #fffff0; TEXT-DECORATION: none
}
</STYLE>

<script type="text/javascript">
<!-- BreakOut -
n6=(document.getElementById&&!document.all);
n4=(document.layers);
ie=(document.all);
now=null;
counter=null;
function Stopwatch(){ 
var myTime=new Date(); 
return((myTime.getTime() - counter)/1000); 
}
function getSecs(){
var tSecs = Math.round(Stopwatch()); 
var iSecs = tSecs % 60;
var iMins = Math.round((tSecs-30)/60);   
var sSecs ="" + ((iSecs > 9) ? iSecs : "0" + iSecs);
var sMins ="" + ((iMins > 9) ? iMins : "0" + iMins);
var tme= sMins+":"+sSecs;
document.form1.count.value=tme;
}
d=(n4||ie)?'document.':'document.getElementById("';
a=(n4||n6)?'':'all.';
n6r=(n6)?'")':'';
s=(n4)?'':'.style';
blocksleft=15;
vy=(n4)?'show':'visible';
vn=(n4)?'hide':'hidden';
blocks=15;//number of blocks
ballsleft=3;
displaycolors=new Array('#ff0000','#00aa00','#0000ff','#cc00cc','#000000','#eee000')
blockcolors=new Array('#ff0000','#00aa00','#0000ff','#cc00cc','#eee000')
spread=new Array();
B=4;//Ball size.
BD=50;//Block size.
D=270;//Initial ball direction.
Y=385;
X=128;
preY=0;
preX=0;
Q=0;
ts=new Array();
bs=new Array();
ls=new Array();
rs=new Array();
ty=new Array();
tx=new Array();
by=new Array();
bx=new Array();
ly=new Array();
lx=new Array();
ry=new Array();
rx=new Array();
t=null;
Top=1;
Left=0;
ini=-50;
for (i=0; i < blocks; i++){
spread[i] = ini+=51;
var col1=Math.floor(Math.random()*blockcolors.length);
var col2=Math.floor(Math.random()*blockcolors.length);
var col3=Math.floor(Math.random()*blockcolors.length);
var col4=Math.floor(Math.random()*displaycolors.length);
if (ie||n6)
document.write('<div id="G'+i+'" style="position:absolute;top:'+Top+'px;left:'+spread[i]+'px;height:'+BD+'px;width:'+BD+';background:'+blockcolors[col1]+';visibility:'+vy+'"></div>');
if (n4)
document.write('<layer name=G'+i+' top='+Top+' left='+spread[i]+' width='+BD+' height='+BD+' bgcolor='+blockcolors[col1]+' visibility='+vy+'></layer>');
if (i == 4){Top+=51;ini=-50;}
if (i == 9){Top+=51;ini=-50;}
}
TW=(n4)?198:(ie)?246:248;
TH=(n4)?438:437;//?
win="<font face=Verdana color=#00bb00 size=6>你赢了</font>";
lose="<font face=Verdana color=#ff0000 size=6>你输了</font>";
document.write("<table height="+TH+" width=398 cellpadding=0 cellspacing=0 border=0><tr valign=top><td width="+TW+">&nbsp;</td><td align=center bgcolor="+displaycolors[col4]+">");
document.write("<font face=Verdana size=5 color=#ffffff>撞击游戏</font>");
document.write("<form name=form1><font face=Verdana size=2 color=#ffffff>小球速度</font><br><select name='amount'>");
document.write("<option value=5 selected>5");
for (i=10; i < 21; i+=5)
{document.write("<option value="+i+">"+i)}
document.write("</select><p>"
+"<font face=Verdana size=2 color=#ffffff>用时</font><br><input name=count type=text size=5 value='00:00'><p>"
+"<font face=Verdana size=2 color=#ffffff>剩余砖块</font><br><input name=lft type=text size=5 value='15'><p>"
+"<font face=Verdana size=2 color=#ffffff>剩余小球</font><br><input name=bll type=text size=5 value='3'><p>"
+"&nbsp;<br><input type='reset' value='重新开始' onClick='window.location.reload()'></form><p>&nbsp;<p>&nbsp;<br>"
+"</td></tr></table>");

if (ie||n6){
document.write("<div id='info'style='position:absolute;top:182px;left:60px'></div>");
document.write('<div id=ball style="position:absolute;top:385px;left:128px;height:4px;width:4px;font-size:4px;background:#000000"></div>');
document.write("<div id='go'style='position:absolute;top:340px;left:108px'><form><input type=button value='开始' onClick='now=new Date();counter=now.getTime();Move();this.style.visibility=\"hidden\"'></form></div>");
document.write("<div id='paddle' style='position:absolute;top:413px;left:110px;width:40px;height:2px;font-size:2px;background:#ff0000'></div>");
}
if (n4){
document.write("<layer name='info' left=62 top=182></layer>");
document.write('<layer name=ball top=385 left=128 width=4 height=4 bgcolor=#000000></layer>');
document.write("<layer name='go' left=108 top=340><form><input type=button value='Start' onClick='now=new Date();counter=now.getTime();Move()'></form></layer>");
document.write("<layer name='paddle' left=110 top=412 width=40 height=2 bgcolor=#ff0000></layer>");
}
xpos=0;
temppaddle=eval(d+a+"paddle"+n6r+s);
(n4||n6)?window.captureEvents(Event.MOUSEMOVE):0;
function Mouse(evnt){
xpos = (n4||n6)?evnt.pageX-20:event.x-20;
if (xpos > 0 && xpos < 218) temppaddle.left=xpos;
}
(n4)?window.onMouseMove=Mouse:document.onmousemove=Mouse;
function Move(){
t=setTimeout('Move()',30);
getSecs();
if(n4)document.go.visibility='hide';
getSpeed=document.form1.amount;
S=getSpeed.options[getSpeed.selectedIndex].value;
H=(n4||n6)?window.innerHeight:document.body.clientHeight;
W=(n4||n6)?window.innerWidth:document.body.clientWidth;
y=S*Math.sin(D*Math.PI/180);
x=S*Math.cos(D*Math.PI/180);
if (D < 0) D+=360;
Y+=y;
X+=x;
VB=180-D;
HB=0-D;
E=(n4)?257:257;
if(Y<1){Y=1;D=HB}  
if(Y+B>H){Y=H-1-B;D=HB}  
if(X<1){X=1;D=VB} 
if(X+B>E){X=E-1-B;D=VB} 
if((Y<1)&&(X<1)){Y=1;X=1;D=45}
if((Y<1)&&(X+B>E)){Y=1;X=E-B;D=135}
if((Y+B>H)&&(X<1)){Y=H-B;X=1;D=315}
if((Y+B>H)&&(X+B>E)){Y=H-B;X=E-B;D=225}
py=(ie)?temppaddle.pixelTop:parseInt(temppaddle.top);
px=(ie)?temppaddle.pixelLeft:parseInt(temppaddle.left);
if ((Y>=py)&&(X+B>=px)&&(X<=px+20)){Y=py-B;D=225+Math.random()*45}
if ((Y>=py)&&(X+B>=px+20)&&(X<=px+40)){Y=py-B;D=270+Math.random()*45}
if (Y>=py){Y=155;X=128;D=90;ballsleft--}
for (i=0; i < blocks; i++){
block=eval(d+a+"G"+i+n6r+s);
TOP=(!ie)?parseInt(block.top):block.pixelTop;
BOTTOM=(!ie)?parseInt(block.top)+BD:block.pixelTop+BD;
LEFT=(!ie)?parseInt(block.left):block.pixelLeft;
RIGHT=(!ie)?parseInt(block.left)+BD:block.pixelLeft+BD;

if((block.visibility==vy)&&(Y+B>TOP)&&(Y<BOTTOM)&&(X+B>LEFT)&&(X<RIGHT)){
blocksleft--;
ay=Y+S*Math.sin(D*Math.PI/180);                
ax=X+S*Math.cos(D*Math.PI/180);
dify = Y-ay;
difx = X-ax;
preY=Y+dify;
preX=X+difx;
Y=Y+dify;
X=X+difx;
ty[i]=(!ie)?parseInt(block.top) - (preY+2):block.pixelTop - (preY+2);
tx[i]=(!ie)?parseInt(block.left)+(BD/2):block.pixelLeft+(BD/2);
ts[i]=Math.sqrt(tx[i]*tx[i] + ty[i]*ty[i]);
by[i]=(!ie)?parseInt(block.top)+BD - (preY+2):(block.pixelTop+BD) - (preY+2);
bx[i]=(!ie)?parseInt(block.left)+(BD/2) - (preX+2):(block.pixelLeft+(BD/2)) - (preX+2);
bs[i]=Math.sqrt(by[i]*by[i] + bx[i]*bx[i]);
ly[i]=(!ie)?parseInt(block.top)+(BD/2) - (preY+2):(block.pixelTop+(BD/2)) - (preY+2);
lx[i]=(!ie)?parseInt(block.left) - (preX+2):(block.pixelLeft) - (preX+2);
ls[i]=Math.sqrt(lx[i]*lx[i] + ly[i]*ly[i]);
ry[i]=(!ie)?parseInt(block.top)+(BD/2) - (preY+2):(block.pixelTop+(BD/2)) - (preY+2);
rx[i]=(!ie)?parseInt(block.left)+BD - (preX+2):(block.pixelLeft+BD) - (preX+2);
rs[i]=Math.sqrt(rx[i]*rx[i] + ry[i]*ry[i]);
if((ts[i]==ls[i])&&(ts[i]&&ls[i]<rs[i]&&bs[i])){Y=TOP-B;X=LEFT-B;D=225;block.visibility=vn}
if((ts[i]==rs[i])&&(ts[i]&&rs[i]<ls[i]&&bs[i])){Y=TOP-B;X=RIGHT;D=315;block.visibility=vn}
if((bs[i]==ls[i])&&(bs[i]&&ls[i]<ts[i]&&rs[i])){Y=BOTTOM;X=LEFT-B;D=135;block.visibility=vn}
if((bs[i]==rs[i])&&(bs[i]&&rs[i]<ls[i]&&ts[i])){Y=BOTTOM;X=RIGHT;D=45;block.visibility=vn}
if ((ls[i] < ts[i]) && (ls[i] < rs[i]) && (ls[i] < bs[i])){
Q=LEFT-(X-B);
Y=Y+Q*Math.sin(D*Math.PI/180);     
X=LEFT-B;
block.visibility=vn;
D=VB;
}
if ((ts[i] < ls[i]) && (ts[i] < rs[i]) && (ts[i] < bs[i])){
Q=TOP-(Y-B);
Y=TOP-B;    
X=X+Q*Math.cos(D*Math.PI/180);
block.visibility=vn;
D=HB;
}
if ((bs[i] < ls[i]) && (bs[i] < rs[i]) && (bs[i] < ts[i])){
Q=BOTTOM-Y;
Y=BOTTOM;    
X=X-Q*Math.cos(D*Math.PI/180);
block.visibility=vn;
D=HB;
}
if ((rs[i] < ts[i]) && (rs[i] < ls[i]) && (rs[i] < bs[i])){
Q=RIGHT-X;
Y=Y-Q*Math.sin(D*Math.PI/180);     
X=RIGHT;
block.visibility=vn;
D=VB;
}
}
}
b=eval(d+a+"ball"+n6r+s);
b.top=Y;
b.left=X;
document.form1.lft.value=blocksleft;
document.form1.bll.value=ballsleft;
if (ballsleft<0){
clearTimeout(t);
document.form1.bll.value='0';
if (n4){
tempinfo.document.write(lose)
tempinfo.document.close();
}
else{ 
tempinfo.innerHTML=lose;
}
}
tempinfo=eval(d+a+"info"+n6r);
if (blocksleft<=0){
clearTimeout(t);
}
}
//-->
</script>
</head>
<body>
</body>
</html>
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