分享自己用JS做的扫雷小游戏_javascript技巧

WBOY
Release: 2016-05-16 15:15:03
Original
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引用了jQuery,节省了很多鼠标点击上的判断。界面显然都是照搬Windows的扫雷啦,详细的内容注释里都有,我就不啰嗦啦~

先上截图~

引用了jQuery,节省了很多鼠标点击上的判断

界面显然都是照搬Windows的扫雷啦


详细的内容注释里都有,我就不啰嗦啦~

JS部分

var mineArray, //地雷数组 lastNum, //剩余雷数 countNum, //未被揭开的方块数 inGame = 0, //游戏状态,0为结束,1为进行中,2为初始化完毕但未开始 startTime; //开始时间 //以下操作1表示揭开一个方块,操作2表示标记一个小旗,操作3表示标记一个问号,操作4表示若某个方块周围的地雷全都标记完,则将其周围剩下的方块挖开 $(function(){ $('#main').mouseup(function(e) { var clicked = $(e.target), id = clicked.attr('id'), cX = parseInt(id.substring(1, id.indexOf('-'))), //所点击方格的X坐标 cY = parseInt(id.substring(id.indexOf('-') + 1)); //所点击方格的Y坐标 if(inGame == 1) { if(e.which == 1) { if(clicked.hasClass('hidden') && !clicked.hasClass('flag')) { openBlock(cX,cY); //左键点击未揭开且未插旗方块即执行操作1 } else if(!clicked.hasClass('hidden')) { openNearBlock(cX,cY); //由于同时点击左右键实现起来比较麻烦,所以改成用点击左键实现操作4 } } else if(e.which == 3 && clicked.hasClass('hidden')) { //右键点击操作2,如果允许使用问号标记,则可执行操作3 if(clicked.hasClass('flag')) { clicked.removeClass('flag'); if($('#check').attr('checked')) clicked.addClass('check'); lastNum ++; countNum ++; } else if(clicked.hasClass('check')) { clicked.removeClass('check'); } else { clicked.addClass('flag'); lastNum --; countNum --; } $('#lastnum').text(lastNum); } if(lastNum == countNum) endGame(1); //因为最后剩下的方块均为雷时应直接结束游戏,因此设置为剩余雷数和未被揭开的方块数相等的时候结束游戏 } else if(inGame == 2) { if(e.which == 1) { //初始化完毕后只允许点击左键开始游戏 openBlock(cX,cY); inGame = 1; var now = new Date(); startTime = now.getTime(); timer(); } } }); $('#main').bind('contextmenu', function(){ return false; }); //阻止默认右击事件 }); //初始化 function init(x, y, mine) { countNum = x * y; inGame = 2; lastNum = mine; mineArray = new Array(y + 2); $.each(mineArray, function(key) { mineArray[key] = new Array(x + 2); }); for(var i = 1; i <= y; i ++) { for(var j = 1; j <= x; j ++) { mineArray[i][j] = 0; } } while(mine > 0) { //随机布雷,-1为有雷 var i = Math.ceil(Math.random() * y); var j = Math.ceil(Math.random() * x); if(mineArray[i][j] != -1) { mineArray[i][j] = -1; mine --; } } for(var i = 1; i <= y; i ++) { //遍历地雷数组,统计每个格子四周地雷的数量 for(var j = 1; j <= x; j ++) { if(mineArray[i][j] != -1) { if(i > 1 && j > 1 && mineArray[i - 1][j - 1] == -1) mineArray[i][j] ++; if(i > 1 && mineArray[i - 1][j] == -1) mineArray[i][j] ++; if(i > 1 && j < x && mineArray[i - 1][j + 1] == -1) mineArray[i][j] ++; if(j < x && mineArray[i][j + 1] == -1) mineArray[i][j] ++; if(i < y && j < x && mineArray[i + 1][j + 1] == -1) mineArray[i][j] ++; if(i < y && mineArray[i + 1][j] == -1) mineArray[i][j] ++; if(i < y && j > 1 && mineArray[i + 1][j - 1] == -1) mineArray[i][j] ++; if(j > 1 && mineArray[i][j - 1] == -1) mineArray[i][j] ++; } } } var block = ''; for(var i = 1, row = mineArray.length - 1; i < row; i ++) { for(var j = 1, col = mineArray[0].length - 1; j < col; j ++) { block += ''; } } $('#main').html(block).width(x * 20 + 1).height(y * 20 + 1).show(); //绘图 $('#warning').html(''); $('#submenu').show(); $('#lastnum').text(lastNum); } //揭开方块 function openBlock(x, y) { var current = $('#b' + x + '-' + y); if(mineArray[x][y] == -1) { if(inGame == 1) { //触雷时如游戏进行中,则失败结束游戏 current.addClass('cbomb'); endGame(); } else if(inGame == 2) { //如游戏初始化后还未开始,则重新初始化地雷阵,再揭开此方块,以保证第一次点击不触雷 init(mineArray[0].length - 2, mineArray.length - 2, lastNum); openBlock(x, y); } else { //游戏结束时需揭开全部方块,标记地雷位置 if(!current.hasClass('flag')) current.addClass('bomb'); } } else if(mineArray[x][y] > 0) { if(current.hasClass('flag')) { //若在无雷的方块上标记了小旗,如果周围的广场执行操作4时波及到此方块,则触发失败结束游戏 current.addClass('wrong'); if(inGame) endGame(); } else { current.html(mineArray[x][y]).addClass('num' + mineArray[x][y]).removeClass('hidden'); //显示周边的地雷数量 if(current.hasClass('check')) current.removeClass('check'); if(inGame) countNum --; } } else { if(current.hasClass('flag')) { //同上 current.addClass('wrong'); if(inGame) endGame(); } else { current.removeClass('hidden'); if(current.hasClass('check')) current.removeClass('check'); if(inGame) { //点击到周边无雷的方块时,自动揭开周围方块 countNum --; var row = mineArray.length - 2, col = mineArray[0].length - 2; if(x > 1 && y > 1 && $('#b' + (x - 1) + '-' + (y - 1)).hasClass('hidden')) openBlock(x - 1, y - 1); if(x > 1 && $('#b' + (x - 1) + '-' + y).hasClass('hidden')) openBlock(x - 1, y); if(x > 1 && y < col && $('#b' + (x - 1) + '-' + (y + 1)).hasClass('hidden')) openBlock(x - 1, y + 1); if(y < col && $('#b' + x + '-' + (y + 1)).hasClass('hidden')) openBlock(x, y + 1); if(x < row && y < col && $('#b' + (x + 1) + '-' + (y + 1)).hasClass('hidden')) openBlock(x + 1, y + 1); if(x < row && $('#b' + (x + 1) + '-' + y).hasClass('hidden')) openBlock(x + 1, y); if(x < row && y > 1 && $('#b' + (x + 1) + '-' + (y - 1)).hasClass('hidden')) openBlock(x + 1, y - 1); if(y > 1 && $('#b' + x + '-' + (y - 1)).hasClass('hidden')) openBlock(x, y - 1); } } } } //揭开格子邻近确认无雷的方块 function openNearBlock(x, y) { var flagNum = 0, hiddenNum = 0; for(i = x - 1; i < x + 2; i ++) { for(j = y - 1; j < y + 2; j ++) { if(mineArray[i][j] != undefined) { if($('#b' + i + '-' + j).hasClass('flag')) flagNum ++; //统计方块周围的旗帜数和未揭开的方块数 if($('#b' + i + '-' + j).hasClass('hidden')) hiddenNum ++; } } } if(flagNum == mineArray[x][y] && hiddenNum > flagNum) { //旗帜数和雷数相等且有未揭开方块且未插旗的方块时,则揭开它 for(i = x - 1; i < x + 2; i ++) { for(j = y - 1; j < y + 2; j ++) { if(mineArray[i][j] >= 0 && $('#b' + i + '-' + j).hasClass('hidden')) openBlock(i, j); } } } } //计时 function timer(){ if(inGame == 1) { //只在游戏进行中计时 var now = new Date(), ms = now.getTime(); $('#time').text(Math.ceil((ms - startTime) / 1000)); if(inGame == 1) setTimeout(function() { timer(); }, 500); } else if(inGame == 2) { $('#time').text('0'); } } //结束游戏 function endGame(isWin) { inGame = 0; for(var i = 1, row = mineArray.length - 1; i < row; i ++) { for(var j = 1, col = mineArray[0].length - 1; j < col; j ++) { if(isWin) { if($('#b' + i + '-' + j).hasClass('hidden') && !$('#b' + i + '-' + j).hasClass('flag')) $('#b' + i + '-' + j).addClass('flag'); lastNum = 0; $('#lastnum').text(lastNum); } else { openBlock(i, j); } } } $('#warning').text(isWin ? 'You Win!' : 'You Lose!'); }
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HTML部分

  
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CSS部分

body{background:#fff;font-size:14px;} #submenu{display:none;} #warning{color:#ff0000;} #main{background:#ddd;border:1px solid #888;display:none;position:relative;} #main div{border:1px solid #888;font-weight:bold;height:19px;height:21px\9;line-height:18px;cursor:default;position:absolute;text-align:center;width:19px;width:21px\9;} .hidden{background:url(mine.gif) 0 0;} .flag{background:url(mine.gif) -19px 0;} .check{background:url(mine.gif) -38px 0;} .bomb{background:url(mine.gif) -57px 0;} .cbomb{background:url(mine.gif) -57px 0 #ff0000;} .wrong{background:url(mine.gif) -76px 0;} .num1{color:#0000ff;} .num2{color:#008000;} .num3{color:#ff0000;} .num4{color:#000080;} .num5{color:#800000;} .num6{color:#008080;} .num7{color:#000000;} .num8{color:#808080;}
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以上所述是小编给大家分享自己用JS做的扫雷小游戏,希望对大家有所帮助。

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