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神级代码,牛人100秒 60行代码写出俄罗斯方块

2017-6-29 0phpcom jQuery文章分享


效果图:
 



代码:
<!doctype html>  
<html><head><title>俄罗斯方块</title>  
<meta name="Description" content="俄罗斯方块Javascript实现">  
<meta name="Keywords" content="俄罗斯方块,Javascript,实现,短小精悍,游戏,ithomer,ithomer.net">  
</head><body>  
<div id="box" style="margin: 20px auto; text-align:center; width:252px;font:25px/25px 宋体;background:#000;color:#9f9;border:#999 20px ridge;text-shadow:2px 3px 1px #0f0;"></div>  
<div id="footer" style="margin-top: 200px auto; text-align:center; font-size: 16px;">© 2009 - 2014 All Rights by <a href="http://blog.ithomer.net">ithomer.net</a></div>  
<script>  
var domain="www.zuidaima.com";  
var author="zuidaima";  
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 keycom={"38":"rotate(1)","40":"down()","37":"move(2,1)","39":"move(0.5,-1)"};  
var dia, pos, bak, run;  
function start(){  
    dia=tatris[~~(Math.random()*7)];  
    bak=pos={fk:[],y:0,x:4,s:~~(Math.random()*4)};  
    rotate(0);  
}  
function over(){  
    document.onkeydown=null;  
    clearInterval(run);  
    alert("GAME OVER");  
}  
function update(t){  
    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,"\u25a1")))  
            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,"\u25a0").replace(/0/g,"\u3000");  
}  
function is(){  
    for(var i=0; i<4; i++)  
        if((pos.fk[i]&map[pos.y+i])!=0) return pos=bak;  
}  
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());  
}  
function down(){  
    ++pos.y;  
    if(is()){  
        for(var i=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);  
        if(map[1]!=0x801) return over();  
        start();  
    }  
    update();  
}  
function move(t,k){  
    pos.x+=k;  
    for(var i=0; i<4; i++)  
        pos.fk[i]*=t;  
    update(is());  
}  
document.onkeydown=function(e){  
    eval(keycom[(e?e:event).keyCode]);  
};  
start();  
run=setInterval("down()",400);  
</script></body></html> 
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