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超短代码俄罗斯方块v13

2014-07-27 10:36 106 查看
<!doctype html><html><head>
<title>俄罗斯方块Ver:1.3 Author:jslang</title>
<style type="text/css">
body { color:#dbdbdb; background:#000; font:25px/25px 宋体; }
#box { position:absolute; left:50%; top:10px; margin-left:-220px; width:252px;border:#999 20px ridge; }
#info {	position:absolute; left:50%; top:30px; margin-left:90px; }
#next { padding:8px;width:105px; }
#rend { padding-top:30px; font:16px/25px 宋体; }
#rend span { color:#ffff00; }
.c0 .color { color:#ff9999;text-shadow:2px 3px 1px #ff0000,0px 0px 4px #ffffff; }
.c1 .color { color:#ffcc99;text-shadow:2px 3px 1px #ff9900,0px 0px 4px #ffffff; }
.c2 .color { color:#ffff99;text-shadow:2px 3px 1px #cccc00,0px 0px 4px #ffffff; }
.c3 .color { color:#99ff99;text-shadow:2px 3px 1px #00ff00,0px 0px 4px #ffffff; }
.c4 .color { color:#99ffff;text-shadow:2px 3px 1px #00cccc,0px 0px 4px #ffffff; }
.c5 .color { color:#9999ff;text-shadow:2px 3px 1px #0000ff,0px 0px 4px #ffffff; }
.c6 .color { color:#ff99ff;text-shadow:2px 3px 1px #cc00cc,0px 0px 4px #ffffff; }
</style></head><body class="c0">
<div id="box" class="color"></div>
<div id="info">
NEXT:<div id="next" class="color"></div>
<div id="text"></div>
<div id="rend">
<span>←↓→</span>：控制方向<br />
<span>Z X ↑</span>：改变形状<br />
<span>Shift</span> ：一键到底<br />
<span>空格键</span>：暂停<br /><br />
Author: <span>jslang</span><br />
Ver: <span>1.3</span>
</div>
</div>
<script type="text/javascript">
var map=eval("["+Array(23).join("0x801,")+"0xfff]");
var tatris=[[0x6600],[0x2222,0xf00],[0xc600,0x2640],[0x6c00,0x4620],[0x4460,0x2e0,0x6220,0x740],[0x2260,0xe20,0x6440,0x4700],[0x2620,0x720,0x2320,0x2700]];
var char={x:"\u3000",s:"\u25a0",t:"\u25a1"};
var downkey={}, retkey={"40":3,"37":6,"39":6},  keycom={"38":"rotate(1)","90":"rotate(1)","88":"rotate(3)","40":"down()","16":"fastdown()","37":"move(1)","39":"move(-1)","32":"0;pause=!pause"};
var dia, pos, bak, run, next, pause=false, info={speed:1,lines:0,score:0};
function start(){
dia=next.d;
bak=pos={fk:[],y:0,x:4,s:next.s};
nextdia();
document.getElementById("next").innerHTML=(next.d[next.s%next.d.length]|0x10000).toString(2).slice(-16).replace(/..../g,"$&<br/>").replace(/1/g,char.t).replace(/0/g,char.x);
document.getElementById("text").innerHTML="SCORE:"+info.score+"<br/><br/>LINES:"+info.lines+"<br/><br/>SPEED:"+info.speed;
rotate(0);
run=setInterval("pause||down()",~~(Math.pow(1.3,12-info.speed)*30+20));
}
function over(){
clearInterval(kTime);
alert("GAME OVER");
}
function nextdia(){
next={d:tatris[~~(Math.random()*7)],s:~~(Math.random()*4)};
}
function update(t){
t&&(pos=bak);
bak={fk:pos.fk.slice(0),y:pos.y,x:pos.x,s:pos.s};
if(t) return;
for(var i=0,a2=""; i<22; i++)
a2+=map[i].toString(2).slice(1,-1)+"<br/>";
for(var i=0,n; i<4; i++)
if(/([^0]+)/.test(bak.fk[i].toString(2).replace(/1/g,char.t)))
a2=a2.substr(0,n=(bak.y+i+1)*15-RegExp.$_.length-4)+RegExp.$1+a2.slice(n+RegExp.$1.length);
document.getElementById("box").innerHTML=a2.replace(/1/g,char.s).replace(/0/g,char.x);
}
function is(){
for(var i=0; i<4; i++)
if((pos.fk[i]&map[pos.y+i])!=0) return true;
}
function rotate(r){
var f=dia[pos.s=(pos.s+r)%dia.length];
for(var i=0; i<4; i++)
pos.fk[i]=(f>>(12-i*4)&15)<<pos.x;
update(is()&&ert(1)&&ert(-2)&&ert(-1));
}
function down(){
++pos.y;
if(is()){
pos=bak;
for(var i=0, r=0; i<4 && pos.y+i<22; i++)
if((map[pos.y+i]|=pos.fk[i])==0xfff){
map.splice(pos.y+i,1);
map.unshift(0x801);
r++;
if(++info.lines%20==0)
document.body.className="c"+info.speed++%7;
}
clearInterval(run);
if(map[1]!=0x801) return over();
info.score+=~~(Math.pow(r,1.8)*10)+2;
start();
}
update();
}
function fastdown(){
clearInterval(run);
run=setInterval("pause||down()",12);
}
function move(k){
update(ert(k));
}
function ert(k){
pos.x+=k;
for(var i=0; i<4; i++)
k>0 ? pos.fk[i]<<=k : pos.fk[i]>>=-k;
return is();
}
document.onkeydown=function(e){
var k=(e||event).keyCode;
if(keycom[k] && !(k in downkey))
downkey[k]=0;
};
document.onkeyup=function(e){
var k=(e||event).keyCode;
if(keycom[k])
delete downkey[k];
};
var kTime = setInterval(function(){
for(var k in downkey)
if(++downkey[k]==1 || retkey[k] && downkey[k]>retkey[k])
eval("pause||"+keycom[k]);
},25);
nextdia();
start();
</script></body></html>
一年以前写的俄罗斯方块游戏，这次主要是优化操作手感
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