Jogo da Velha com JavaScript e SVG [Javascript]

Jogo da Velha com JavaScript e SVG

Publicado por Luiz (última atualização em 17/06/2015)

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Jogo da Velha simples feito com JavaScript e SVG.

O SVG foi gerado e organizado usando o Inkscape.
O JavaScript não ficou uma maravilha mas funciona como o esperado. :)
Funciona muito bem em smartphones.
Esconder código-fonte
<!--
Copyright (C) 2015 Luiz Augusto R. C. (luizrocha13@gmail.com)

This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
-->
<!DOCTYPE html>
<html>
    <head>
        <title>Jogo da Velha</title>
        <meta name="viewport" content="initial-scale=1.0, user-scalable=no">
        <meta name="apple-mobile-web-app-capable" content="yes">
        <meta name="apple-mobile-web-app-status-bar-style" content="black">
        <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
        <style type="text/css">
          *{padding: 0; margin: 0; font-family: Arial;}
          #fundo{background: #444;width: 300px;height: 300px;text-align: center;margin: 0 auto;}
          ul, div#vez{list-style-type: none; width:300px;margin: 0 auto;}
          ul li{display: inline-block; width: 70px;}
          .titulo{text-align: center; color: #fff;
          background-image: linear-gradient(to bottom, #111, #444);padding: 8px;font: Arial;}
          .alerta{position: absolute;margin: 0 auto;left: 0;right: 0;margin-left: auto;
          margin-right: auto;width: 300px;height:150px;background: rgba(150, 150, 150, 0.8);
          border-radius: 7px;bottom: 0;top:0;margin-top: auto;margin-bottom: auto;display: none;}
          .msg{height: 48%; padding: 5%;color: #f40;text-align: center;font-size: 20pt;
          line-height: 60px; font-weight: bold}
          .botao{ height: 30%; text-align: center;}
          button{width:90%; height: 100%;}
        </style>
        <script type="text/javascript">
            var mapa = '', jogada_anterior = '', onalert = '';
            var xpontos = 0, opontos = 0, vpontos = 0, total;

            var $$ = function(str){return document.querySelector(str);};
            var get = function(obj){return window.getComputedStyle(obj).getPropertyValue('display')};

            var jogo = {
              alerta: function(msg){
                $$('.msg').innerHTML = msg;
                $$('.alerta').style.display='block';
              },
              limparJogo: function (){
                mapa = {a:'',b:'',c:'',d:'',e:'',f:'',g:'',h:'',i:''};
                total = 0;
                var path = document.querySelectorAll('path')
                for(i in path){path[i].style.display="none"}
              },

              mensagemGanhador: function (jogador){
                $$('#opontos').innerHTML = opontos;
                $$('#xpontos').innerHTML = xpontos;
                $$('#vpontos').innerHTML = vpontos;

                if (jogador == 'x' || jogador == 'o'){
                    jogo.alerta(jogador.toUpperCase() + ' foi o Vencedor!!');
                }else{
                  jogo.alerta('Deu Velha !!');
                }
              },

              verificar: function (j){
                     if(mapa.a == j && mapa.b == j && mapa.c == j){return true;}
                else if(mapa.d == j && mapa.e == j && mapa.f == j){return true;}
                else if(mapa.g == j && mapa.h == j && mapa.i == j){return true;}
                else if(mapa.a == j && mapa.d == j && mapa.g == j){return true;}
                else if(mapa.b == j && mapa.e == j && mapa.h == j){return true;}
                else if(mapa.c == j && mapa.f == j && mapa.i == j){return true;}
                else if(mapa.a == j && mapa.e == j && mapa.i == j){return true;}
                else if(mapa.c == j && mapa.e == j && mapa.g == j){return true;}
                else if(j == 'v' && mapa.a != '' && mapa.b != '' && mapa.c != '' && mapa.d != ''
                        && mapa.e != '' && mapa.f != '' && mapa.g != '' && mapa.h != '' && mapa.i != ''){
                  return true;
                }
                return false;
              },

              jogar: function (posicao, jogador){
                mapa[posicao.toLowerCase()] = jogador;

                if(jogo.verificar('x')){ //X ganhou
                  xpontos++;
                  jogada_anterior = 'o';
                  jogo.mensagemGanhador('x');
                }
                else if(jogo.verificar('o')){ //O ganhou
                  opontos++;
                  jogada_anterior = 'x';
                  jogo.mensagemGanhador('o');
                }
                else if(jogo.verificar('v')){ //Deu Velha
                  vpontos++;
                  jogo.mensagemGanhador('v');
                }
              },

              botaoClicado: function(posicao){
                onalert = get($$('.alerta'));
                if(onalert != 'block'){
                  x = get($$('#X'+posicao))
                  o = get($$('#O'+posicao))

                  if (jogada_anterior != 'x' && x == 'none' && o == 'none') {
                    jogada_anterior = 'x';
                    $$('#X' + posicao).style.display='block';
                    jogo.jogar(posicao, 'x');
                  }

                  else if (jogada_anterior != 'o' && x == 'none' && o == 'none'){
                    jogada_anterior = 'o';
                    $$('#O'+posicao).style.display='block';
                    jogo.jogar(posicao, 'o');
                  }

                  if(jogada_anterior == 'o'){
                    $$('#vez').innerHTML = 'Vez do X';
                  }
                  else if(jogada_anterior == 'x'){
                    $$('#vez').innerHTML = 'Vez do O';
                  }
                }
              }
            };
            window.botaoClicado = jogo.botaoClicado;
        </script>
    </head>
    <body onload="jogo.limparJogo()">
      <div class="alerta">
        <div class="msg"></div>
        <div class="botao">
          <button type="button" id="ok" onclick="$$('.alerta').style.display='none'; jogo.limparJogo();">Jogar Novamente</button>
        </div>
      </div>
      <div class="titulo">
          <h2>Jogo da Velha</h2>
      </div>
      <br/>
      <div id="fundo">
<svg xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:cc="http://creativecommons.org/ns#" xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:svg="http://www.w3.org/2000/svg" xmlns="http://www.w3.org/2000/svg" version="1.1" width="300" height="300" id="svg2">
<g transform="translate(0,-752.36224)" id="layer1">
<rect width="95" height="95" x="-5.0000004e-08" y="752.36224" id="A" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('A')"/>
<rect width="95" height="95" x="102.5" y="752.36224" id="B" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('B')"/>
<rect width="95" height="95" x="205" y="752.36224" id="C" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('C')"/>
<rect width="95" height="95" x="0" y="854.86224" id="D" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('D')"/>
<rect width="95" height="95" x="102.5" y="854.86224" id="E" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('E')"/>
<rect width="95" height="95" x="205" y="854.86224" id="F" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('F')"/>
<rect width="95" height="95" x="0" y="957.36224" id="G" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('G')"/>
<rect width="95" height="95" x="102.5" y="957.36224" id="H" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('H')"/>
<rect width="95" height="95" x="205" y="957.36224" id="I" style="fill:#ffffff;fill-opacity:1;stroke:none" onclick="botaoClicado('I')"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,35.424336,784.41759)" id="OA" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 23.687502,755.70599 -20.3437501,20.34375 23.8125001,23.8125 -23.8125001,23.8125 20.3437501,20.34375 23.8125,-23.8125 23.812496,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 -20.34375,-20.34375 -23.812496,23.8125 -23.8125,-23.8125 z" id="XA" style="fill:#008080;stroke:none;display:none"/>
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<path class="path" d="m 126.1875,755.70599 -20.34375,20.34375 23.8125,23.8125 -23.8125,23.8125 20.34375,20.34375 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 L 173.8125,755.70599 150,779.51849 126.1875,755.70599 z" id="XB" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 228.68749,755.70599 -20.34375,20.34375 23.8125,23.8125 -23.8125,23.8125 20.34375,20.34375 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 -20.34375,-20.34375 -23.8125,23.8125 -23.8125,-23.8125 z" id="XC" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,35.424336,886.91759)" id="OD" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 23.6875,858.20599 -20.34375,20.34375 23.8125,23.8125 -23.8125,23.8125 20.34375,20.34375 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 L 71.3125,858.20599 47.5,882.01849 23.6875,858.20599 z" id="XD" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,137.92434,886.91759)" id="OE" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 126.1875,858.20599 -20.34375,20.34375 23.8125,23.8125 -23.8125,23.8125 20.34375,20.34375 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 L 173.8125,858.20599 150,882.01849 126.1875,858.20599 z" id="XE" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,240.42434,886.91759)" id="OF" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 228.6875,858.20599 -20.34375,20.34375 23.8125,23.8125 -23.8125,23.8125 20.34375,20.34375 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.34375 -23.8125,-23.8125 23.8125,-23.8125 -20.34375,-20.34375 -23.8125,23.8125 -23.8125,-23.8125 z" id="XF" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,35.424336,989.41759)" id="OG" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 23.6875,960.70599 -20.34375,20.34375 23.8125,23.81246 -23.8125,23.8125 20.34375,20.3438 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.3438 -23.8125,-23.8125 23.8125,-23.81246 L 71.3125,960.70599 47.5,984.51849 23.6875,960.70599 z" id="XG" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,137.92434,989.41759)" id="OH" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 126.1875,960.70599 -20.34375,20.34375 23.8125,23.81246 -23.8125,23.8125 20.34375,20.3438 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.3438 -23.8125,-23.8125 23.8125,-23.81246 L 173.8125,960.70599 150,984.51849 126.1875,960.70599 z" id="XH" style="fill:#008080;stroke:none;display:none"/>
<path class="path" d="m 90.913725,32.29937 a 65.659912,65.659912 0 1 1 -131.319824,0 65.659912,65.659912 0 1 1 131.319824,0 z" transform="matrix(0.47817191,0,0,0.4781719,240.42434,989.41759)" id="OI" style="fill:none;stroke:#ff0000;stroke-width:54.92282104;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;display:none"/>
<path class="path" d="m 228.6875,960.70599 -20.34375,20.34375 23.8125,23.81246 -23.8125,23.8125 20.34375,20.3438 23.8125,-23.8125 23.8125,23.8125 20.34375,-20.3438 -23.8125,-23.8125 23.8125,-23.81246 -20.34375,-20.34375 -23.8125,23.8125 -23.8125,-23.8125 z" id="XI" style="fill:#008080;stroke:none;display:none"/>
</g>
</svg>
</div>
<ul>
    <li><b style="font-size:20pt;">X: </b><b id="xpontos" style="font-size:20pt;"></b></li>
    <li><b style="font-size:20pt;">O: </b><b id="opontos" style="font-size:20pt;"></b></li>
    <li><b style="font-size:20pt;">V: </b><b id="vpontos" style="font-size:20pt;"></b></li>
</ul>
<p><div id="vez" style="font-size:20pt;font-weight:bold;">Vez do X</div></p>
</div>
</body>
</html>
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