📄 game004.htm

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<HTML>
<HEAD>
<TITLE>贪食蛇</TITLE>
<META content="text/html; charset=gb2312" http-equiv=Content-Type>
<STYLE type=text/css>BODY {
	FONT-SIZE: 14px; TEXT-DECORATION: none;background-color:buttonface;border-bottom:medium none;border-left:medium none;border-right:medium none;border-top:medium none;padding-bottom:0px;padding-left:0px;padding-right:0px;padding-top:0px
}
</STYLE>
</HEAD>
<BODY leftmargin="2" topmargin="4" marginwidth="0" marginheight="0">
<P> 
<STYLE type=text/css>.item {
	
}
.worm1 {
	BACKGROUND: white; BORDER-BOTTOM: #ffffff 0px solid; BORDER-LEFT: #ffffff 0px solid; BORDER-RIGHT: #ffffff 0px solid; BORDER-TOP: #ffffff 0px solid; COLOR: blue; FONT-SIZE: 12pt; FONT-WEIGHT: bold; WIDTH: 150px
}
.worm2 {
	BACKGROUND: white; BORDER-BOTTOM: #ffffff 0px solid; BORDER-LEFT: #ffffff 0px solid; BORDER-RIGHT: #ffffff 0px solid; BORDER-TOP: #ffffff 0px solid; COLOR: red; FONT-SIZE: 12pt; FONT-WEIGHT: bold; WIDTH: 150px
}
.info {
	BACKGROUND: white; BORDER-BOTTOM: #ffffff 0px solid; BORDER-LEFT: #ffffff 0px solid; BORDER-RIGHT: #ffffff 0px solid; BORDER-TOP: #ffffff 0px solid; COLOR: black; FONT-SIZE: 10pt; FONT-WEIGHT: bold; HEIGHT: 100px; WIDTH: 150px
}
</STYLE>
<TABLE align=center border=0 width="75%">
<TBODY> 
<TR> 
<TD> 
<DIV align=center> 
<SCRIPT language=JavaScript>
var height = 20;
var width = 20;
var speed = 100
width += 2;
var a = 0;
var b = 0;
document.write("<table bgcolor=white bordercolor=black ");
document.write("align=center border=1 cellpadding=0 cellspacing=0><tr><td>");
for (b = 0; b < height+2; b++) {
document.write("<img src=end.gif width=0 height=0>");
for (a = 0; a < width- 2; a++) {
if ((b == 0) || (b == height+1)) {
document.write("<img src=end.gif width=0 height=0>");
}
else {
document.write("<img src=blank.gif width=15 height=15>");
   }
}
document.write("<img src=end.gif width=0 height=0><br>");
}
document.write("</td>");
document.write("<td valign=top align=center bgcolor=white>");
document.write("<p align=center><strong><font color=blue>Snake</font></strong></p>");
document.write("<br>");
document.write("<form name=info>");
document.write("<input type=button size=28 value=0 class=worm1></form>");
document.write("<br><font size=-2>请用上下左右键来控制此游戏</font></td></tr></table>");
var points = 0;
var go = 1;
var di = 0;
var x = 0;
var y = 0;
var n = 0;
document.images[1].src = "blank.gif";
var blank = document.images[1].src;
var hw = (height * width);
var o = Math.floor(Math.random() * hw - 2);
do {
o = Math.floor(Math.random() * hw-2);
} while(document.images[o].src != blank);
var i = o;
var food = 0;
do {
food = Math.floor(Math.random() * hw-2);
} while (document.images[food].src != blank);
document.images[i].src = "worm.gif";
document.images[width-1].src="end.gif";
var end = document.images[width-1].src;
var file = document.images[i].src;
var length = 1;
var worm = new Array();
var k = 0;
var ie = document.all ? 1 : 0;
var  enableScroll = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >3)) ;
var height = document.images[0].height;
var tScroll;
var d = 0;
function runTimer() {
if (d != 0) { n++; }
if (d == 1) { i--; }
if (d == 2) { i++; }
if (d == 3) { i += width; }
if (d == 4) { i -= width; }
if (document.images[i].src == end) {
speed -= 400; i = worm[n-1]; di = 1; die();
}
worm[n] = i;
if(i == food) {
length++; points += (10*length);
do {
food = Math.floor(Math.random() * hw-2);
} while (document.images[food].src != blank);
if (di == 0) {
document.info.elements[0].value = points;
   }
}
if (n > length){
o = worm[n-length];
}
if ((document.images[i].src == file) && (n > 1)) {
speed -= 400; d = 0; di = 1; die();
}
if(di == 0) {
document.images[o].src = "blank.gif";
document.images[i].src = "worm.gif";
document.images[food].src = "food.gif";
tScroll = window.setTimeout("runTimer();", speed);
   }
}
if (enableScroll){
if (ie) window.onload = runTimer;
if (ie) window.onunload = new Function("clearTimeout(tScroll)");
}
systm = "";
ver = navigator.appVersion;
len = ver.length;
for (iln = 0;iln < len; iln++) if (ver.charAt(iln) == "(") break;
systm = ver.charAt(iln+1).toUpperCase();
document.onkeydown = keyDown;
if (systm != "C") {
document.captureEvents(Event.KEYDOWN);
}
function keyDown(DnEvents) {
if (systm != "C") {
k = DnEvents.which;
} else {
k = window.event.keyCode;
}
if (k == 37) { d = 1; }
if (k == 39) { d = 2; }
if (k == 40) { d = 3; }
if (k == 38) { d = 4; }
}
function die() {
i = 0;
o = 0;
food = 0;
document.info.elements[0].value = "Died with " + document.info.elements[0].value;
var restart=confirm("再玩一次？");
if(restart){ location.reload(); }
}
</SCRIPT>
</DIV>
</TD>
</TR>
</TBODY>
</TABLE>
<div id='dh' style="position:absolute; left:-800px; top:-800px; width:0px; height:0px; z-index:1"> 
<input type=button value='-' name='goppp' onclick='Javascript:window.close();' accesskey='q'>
</div>
</BODY>
</HTML>
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