js 블록 회피 게임 code_javascript 기술

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

<!-- saved from url=(0037)http://www.xeron.org/cosas/escapa.htm --> <title>www.jb51.net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> <meta content="MSHTML 6.00.2800.1106" name="GENERATOR"> <div id="box" style="LEFT: 205px; WIDTH: 40px; POSITION: absolute; TOP: 205px; HEIGHT: 40px; BACKGROUND-COLOR: #990000; layer-background-color: #990000"> <table height="40" width="40"> <tbody> <tr> <td> </td> </tr> </tbody> </table> </div> <div id="enemy0" style="LEFT: 270px; WIDTH: 60px; POSITION: absolute; TOP: 60px; HEIGHT: 50px; BACKGROUND-COLOR: #000099; layer-background-color: #000099"> <table height="50" width="60"> <tbody> <tr> <td> </td> </tr> </tbody> </table> </div> <div id="enemy1" style="LEFT: 300px; WIDTH: 100px; POSITION: absolute; TOP: 330px; HEIGHT: 20px; BACKGROUND-COLOR: #000099; layer-background-color: #000099"> <table height="20" width="100"> <tbody> <tr> <td> </td> </tr> </tbody> </table> </div> <div id="enemy2" style="LEFT: 70px; WIDTH: 30px; POSITION: absolute; TOP: 320px; HEIGHT: 60px; BACKGROUND-COLOR: #000099; layer-background-color: #000099"> <table height="60" width="30"> <tbody> <tr> <td> </td> </tr> </tbody> </table> </div> <div id="enemy3" style="LEFT: 70px; WIDTH: 60px; POSITION: absolute; TOP: 70px; HEIGHT: 60px; BACKGROUND-COLOR: #000099; layer-background-color: #000099"> <table height="60" width="60"> <tbody> <tr> <td> </td> </tr> </tbody> </table> </div> <table cellspacing="0" cellpadding="0" border="0"> <!-- row 1 --> <tbody> <tr> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" 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<table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> </tr> <!-- row 3 --> <tr> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> <td width="50" bgcolor="#000000" height="50"> <table> <tbody> <tr> <td></td> </tr> </tbody> </table> </td> </tr> <!-- row 4 --> <tr> <td width="50" bgcolor="#000000" height="50"> 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