<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE>www.ewceo.com Escapa!红方块躲避游戏</TITLE>
<META http-equiv=Content-Type content="text/html; charset=gb2312">
<SCRIPT type="text/javascript">
isNS4 = (document.layers) ? true : false;
isIE4 = (document.all && !document.getElementById) ? true : false;
isIE5 = (document.all && document.getElementById) ? true : false;
isNS6 = (!document.all && document.getElementById) ? true : false;
var curX, curY, curX2, curY2, boxX, boxY, moving=0, touch=0;
var gametime=0, started=0, speed;
var starttime, endtime, finaltime=0; //pass finaltime to popup window to ask for initials
var enemyxdir = new Array(1,1,1,1);
var enemyydir = new Array(1,1,1,1);
if (isNS4 || isNS6){
document.captureEvents(Event.MOUSEUP|Event.MOUSEDOWN|Event.MOUSEMOVE);
}
document.onmousedown = start;
document.onmousemove = checkLocation;
document.onmouseup = stop;
function startclock() {var today = new Date(); starttime = today.getTime();}
function endclock() {var today = new Date(); endtime = today.getTime();}
function calctime() {var time = (endtime - starttime - 0)/1000; return time;}
function giveposX(divname) {
if (isNS4) var posLeft = document.layers[divname].left;
else if (isIE4 || isIE5) var posLeft = document.all(divname).style.pixelLeft;
else if (isNS6) var posLeft = parseInt(document.getElementById(divname).style.left + "");
return posLeft;
}
function giveposY(divname) {
if (isNS4) var posTop = document.layers[divname].top;
else if (isIE4 || isIE5) var posTop = document.all(divname).style.pixelTop;
else if (isNS6) var posTop = parseInt(document.getElementById(divname).style.top + "");
return posTop;
}
function setposX(divname, xpos) {
if (isNS4) document.layers[divname].left = xpos;
else if (isIE4 || isIE5) document.all(divname).style.pixelLeft = xpos;
else if (isNS6) document.getElementById(divname).style.left = xpos;
}
function setposY(divname, ypos) {
if (isNS4) document.layers[divname].top = ypos;
else if (isIE4 || isIE5) document.all(divname).style.pixelTop = ypos;
else if (isNS6) document.getElementById(divname).style.top = ypos;
}
function givesize(divname, dimension) {
var divsize = 0;
if (dimension == 'y') {
if (isNS4) divsize = document.layers[divname].clip.height;
else if (isIE4 || isIE5) divsize = document.all(divname).style.pixelHeight;
else if (isNS6) divsize = parseInt(document.getElementById(divname).style.height + "");
}
else if (dimension == 'x') {
if (isNS4) divsize = document.layers[divname].clip.width;
else if (isIE4 || isIE5) divsize = document.all(divname).style.pixelWidth;
else if (isNS6) divsize = parseInt(document.getElementById(divname).style.width + "");
}
return divsize;
}
// check to see if 'box' is touching 'enemy1'
function checktouching(num) {
var enemy = "enemy" + num + ""
var difX = giveposX('box') - giveposX(enemy) - 0; // -0 converts to integer
var difY = giveposY('box') - giveposY(enemy) - 0;
// set touch = 1 if it is touching an enemy
if (difX > (-1 * givesize('box', 'x')) && difX < givesize(enemy, 'x') && difY > (-1 * givesize('box', 'y')) && difY < givesize(enemy, 'y')) {
touch = 1;
}
else touch = 0;
}
function movenemy(num,step_x,step_y){
var enemy = "enemy" + num + ""
var enemyx = givesize(enemy, 'x');
var enemyy = givesize(enemy, 'y');
if (giveposX(enemy) >= (450 - enemyx) || giveposX(enemy) <= 0) {
enemyxdir[num] = -1 * enemyxdir[num];
}
if (giveposY(enemy) >= (450 - enemyy) || giveposY(enemy) <= 0) {
enemyydir[num] = -1 * enemyydir[num];
}
var newposx = giveposX(enemy) + (step_x*enemyxdir[num]) + 0;
var newposy = giveposY(enemy) + (step_y*enemyydir[num]) + 0;
setposX(enemy, newposx);
setposY(enemy, newposy);
checktouching(num + "");
if (touch == 1) {
stop(); reset();
}
}
function movenemies() {
gametime = gametime + 1
if (gametime >= 0 && gametime < 100) speed = 80;
else if (gametime >= 100 && gametime < 200) speed = 60;
else if (gametime >= 200 && gametime < 300) speed = 40;
else if (gametime >= 300 && gametime < 400) speed = 30;
else if (gametime >= 400 && gametime < 500) speed = 20;
else speed = 10;
// window.status = "speed: " + speed + " gametime: " + gametime;
movenemy(0,-10,12);
movenemy(1,-12,-20);
movenemy(2,15,-13);
movenemy(3,17,11);
setTimeout(movenemies,speed);
}
function start(e) {
if (started == 0) { movenemies(); startclock(); started = 1; }
curX = (isNS4 || isNS6) ? e.pageX : window.event.x ;
curY = (isNS4 || isNS6) ? e.pageY : window.event.y ;
curX2 = eval(curX - 40);
curY2 = eval(curY - 40);
boxX = eval(curX - 20);
boxY = eval(curY - 20);
var boxleft = giveposX('box');
var boxtop = giveposY('box');
if (curX > boxleft && curX2 < boxleft && curY > boxtop && curY2 < boxtop) {
moving = 1;
setposX('box', boxX);
setposY('box', boxY);
if (isNS4 || isNS6){
document.captureEvents(Event.MOUSEMOVE);
}
}
}
function stop(e){
moving=0;
if (isNS4 || isNS6){
document.releaseEvents(Event.MOUSEMOVE);
}
}
function reset(e){
endclock();
moving=0;
if (isNS4 || isNS6){
document.releaseEvents(Event.MOUSEMOVE);
}
if (finaltime == 0) {
finaltime = calctime();
window.alert('你坚持了 ' + finaltime + ' 秒... 还可以加油！');
// var entername = window.confirm('Enter your name?');
// if (entername) {
// window.open("?" + finaltime,'winwin','width=300,height=500,left=40,top=40,status=1,resizable');
// document.location.reload();
// }
// else document.location.reload();
window.close();
}
}
function checkLocation(e){
curX = (isNS4 || isNS6) ?
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