js方块躲避游戏代码_javascript技巧

时间：2020-11-27 来源：乌哈旅游

鼠标拖动红色方块，就可以开始，不要让蓝色方块碰到你控制的红色方块

<HTML><HEAD><TITLE>www.gxlcms.com脚本之家 Escapa!红方块躲避游戏</TITLE> 
<META http-equiv=Content-Type content="text/html; charset=windows-1252"> 
<SCRIPT language=JavaScript 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('You hold ' + finaltime + ' seconds... salutations Fp'); 
// 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(); 
 document.location.reload(); 
 } 
} 
function checkLocation(e){ 
 curX = (isNS4 || isNS6) ? e.pageX : window.event.x ; 
 curY = (isNS4 || isNS6) ? e.pageY : window.event.y ; 
 boxX = eval(curX - 20); 
 boxY = eval(curY - 20); 
 checktouching('1'); 
 if (moving == 1 && touch == 0){ 
 setposX('box',boxX); 
 setposY('box',boxY); 
 if (curY > 69 && curX > 69 && curY < 381 && curX < 381) return false; 
 else stop(); reset(); 
 } 
 else if (touch == 1){ 
 stop(); reset(); 
 } 
} 
</SCRIPT> 
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 <font face="verdana,arial,helvetica" size="2"> 
 
 </font> 
 Click onto the red block with jump over it:
 
 
 
 Move the red block avoiding crash with the blue ones
 
 
 
 Don抰 touch the black edge.
 
 
 
 If you can reach more than 18 seconds, you are a genius.
 
 
 
 
 
 It is said that the pilots from the US Air Force
 
 are forced to reach 2 MINUTES. 
</BODY></HTML>

[Ctrl+A 全选注:如需引入外部Js需刷新才能执行]