<!doctype html> <html> <head>俄罗斯方块</head> <body> <div id="box"
style="width:252px;font:25px/25px 宋体;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, "□"))) 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,
"■").replace(/0/g, " "); } 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>

技术
©2019-2020 Toolsou All rights reserved,
一个名叫“讨火车”的小村子 终于把火车讨来了c++内存 指针越界检测机制_CrtMemBlockHeade错误总结-myBatis plus 分页记一次EventBus内存泄露导致的项目问题服务器价格有什么差异?Android中获取当前正在显示的Activity实例创建数据mysql库流程在Vue中使用Web Worker最优化方法总结:公式解、数值优化、求解思想使用easyPOI导入Excel数据