JS1k: The JavaScript code golfing competition

e=[];q={};wd=a.width;ht=a.height;hs=ht/60;ws=wd/60;k=o=l=f=!1;t=!0;m="gray";c.strokeStyle="silver";for(w=0;w<wd;w+=ws)for(q[~w]={},h=0;h<ht-hs;h+=hs)z={x:w,y:h,r:t,f:1>w||w+2*ws>wd||1>h||h+2*hs>ht?"black":m,d:function(){g=this;g.r&&(c.rect(g.x,g.y,ws,hs),c.fillStyle=g.f,g.r=f)}},e.push(z),q[~w][~h]=z;
function v(d,n){e.push({x:d?ws:wd/2,y:d?hs:ht/2,f:d?"blue":"green",d:function(){p=this;if(!o){if(k){n(p);39==p.k&&(p.x+=ws);37==p.k&&(p.x-=ws);40==p.k&&(p.y+=hs);38==p.k&&(p.y-=hs);try{z=q[~p.x][~p.y],(o=z.f!=m)?(p.f="red",d?alert("Lost"):alert("Won")):(z.f=p.f,z.r=t)}catch(r){}}c.rect(p.x,p.y,ws,hs);c.fillStyle=p.f}}})}v(t,function(d){k&&(d.k=k)});
v(f,function(d){if(k){ts=0;ok=f;l=40-~~(3*Math.random());do{tx=d.x;ty=d.y;39==l&&(tx+=ws);37==l&&(tx-=ws);40==l&&(ty+=hs);38==l&&(ty-=hs);try{z=q[~tx][~ty],ok=z.f==m}catch(n){}ok||(l++,40<l&&(l=37));ts++}while(!ok&&8>ts);d.k=l}});(function dr(){for(i in e)c.beginPath(),e[i].d(),c.fill(),c.stroke();requestAnimationFrame(dr)})();b.onkeydown=function(d){k=d.keyCode};

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

e=[],
q={},
wd=a.width,
ht=a.height,
hs=(ht/60),
ws=(wd/60),
k=o=l=f=false,
t=true,
m='gray';

c.strokeStyle='silver';

for(w=0;w<wd;w+=ws) {
    q[~w]={};
    for(h=0;h<ht-hs;h+=hs) {
        z={
            x:w,
            y:h,
            r:t,
            f:(w<1||w+ws*2>wd||h<1||h+hs*2>ht)?'black':m,
            d:function() {
                g=this;
                if(!g.r) return;
                c.rect(g.x,g.y,ws,hs);
                c.fillStyle=g.f;
                g.r=f
            }
        };
        e.push(z);
        q[~w][~h]=z;
    }
}

function v(is,u) {
    e.push({
        x:is?ws:wd/2,
        y:is?hs:ht/2,
        f:is?'blue':'green',
        d:function(){
            p=this;
            if(o) return;
            if(k) {
                u(p);
                if(p.k==39) p.x+=ws;
                if(p.k==37) p.x-=ws;
                if(p.k==40) p.y+=hs;
                if(p.k==38) p.y-=hs;
                try {
                    z=q[~p.x][~p.y];
                    o=z.f!=m;
                    if(o) {
                        p.f='red';
                        if(is) alert("Lost")
                        else alert("Won")
                    } else {
                        z.f=p.f;
                        z.r=t;
                    }
                } catch(e) {}
            }
            c.rect(p.x,p.y,ws,hs);
            c.fillStyle=p.f;
        }
    });
};

v(t,function(p){
    if(k) { 
        p.k=k;
    }
});

v(f,function(p){
    if(!k) return;
    ts=0,ok=f,l=40-~~(Math.random()*3);
    do {
        tx=p.x,ty=p.y;
        if(l==39) tx+=ws;
        if(l==37) tx-=ws;
        if(l==40) ty+=hs;
        if(l==38) ty-=hs;
        try {
            z=q[~tx][~ty];
            ok = z.f==m;
        }catch(e){}

        if(!ok) {
            l++;
            if(l>40) l=37
        }

        ts++;
    } while(!ok && ts<8) 
    p.k=l;
});

(function dr(){
    for(i in e) {
        c.beginPath();
        e[i].d();
        c.fill();
        c.stroke();
    }
    requestAnimationFrame(dr);
})();

b.onkeydown=function(e) {
    k=e.keyCode;
};