ロシアキューブゲーム60行コード実装
4585 ワード
<!doctype html>< html >< head ></ head >< body > < div id = "box" style = "width:252px;font:25px/25px ;background:#000;color:#9f9;border:#999 20px ridge;text-shadow:2px 3px 1px #0f0;" ></ div > < script > 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 >