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<!DOCTYPE html><html lang="zh-CN" data-theme="light"><head><meta charset="UTF-8"><meta http-equiv="X-UA-Compatible" content="IE=edge"><meta name="viewport" content="width=device-width, initial-scale=1.0,viewport-fit=cover"><title>ts实现康威生命游戏 | Big Pineapple</title><meta name="author" content="DB"><meta name="copyright" content="DB"><meta name="format-detection" content="telephone=no"><meta name="theme-color" content="#ffffff"><meta name="description" content="生命游戏中,对于任意细胞,规则如下: 每个细胞有两种状态 - 存活或死亡,每个细胞与以自身为中心的周围八格细胞产生互动(如图,黑色为存活,白色为死亡) 当前细胞为存活状态时,当周围的存活细胞低于2个时(不包含2个),该细胞变成死亡状态。(模拟生命数量稀少) 当前细胞为存活状态时,当周围有2个或3个存活细胞时,该细胞保持原样。 当前细胞为存活状态时,当周围有超过3个存活细胞时,该细胞变成死亡状态。(">
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<li>每个细胞有两种状态 - 存活或死亡,每个细胞与以自身为中心的周围八格细胞产生互动(如图,黑色为存活,白色为死亡)</li>
<li>当前细胞为存活状态时,当周围的存活细胞低于2个时(不包含2个),该细胞变成死亡状态。(模拟生命数量稀少)</li>
<li>当前细胞为存活状态时,当周围有2个或3个存活细胞时,该细胞保持原样。</li>
<li>当前细胞为存活状态时,当周围有超过3个存活细胞时,该细胞变成死亡状态。(模拟生命数量过多)</li>
<li>当前细胞为死亡状态时,当周围有3个存活细胞时,该细胞变成存活状态。(模拟繁殖)</li>
<li>可以把最初的细胞结构定义为种子,当所有在种子中的细胞同时被以上规则处理后,可以得到第一代细胞图。按规则继续处理当前的细胞图,可以得到下一代的细胞图,周而复始。</li>
</ol>
<figure class="highlight ts"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br><span class="line">22</span><br><span class="line">23</span><br><span class="line">24</span><br><span class="line">25</span><br><span class="line">26</span><br><span class="line">27</span><br><span class="line">28</span><br><span class="line">29</span><br><span class="line">30</span><br><span class="line">31</span><br><span class="line">32</span><br><span class="line">33</span><br><span class="line">34</span><br><span class="line">35</span><br><span class="line">36</span><br><span class="line">37</span><br><span class="line">38</span><br><span class="line">39</span><br><span class="line">40</span><br><span class="line">41</span><br><span class="line">42</span><br><span class="line">43</span><br><span class="line">44</span><br><span class="line">45</span><br><span class="line">46</span><br><span class="line">47</span><br><span class="line">48</span><br><span class="line">49</span><br><span class="line">50</span><br><span class="line">51</span><br><span class="line">52</span><br><span class="line">53</span><br><span class="line">54</span><br><span class="line">55</span><br><span class="line">56</span><br><span class="line">57</span><br><span class="line">58</span><br><span class="line">59</span><br><span class="line">60</span><br><span class="line">61</span><br><span class="line">62</span><br><span class="line">63</span><br></pre></td><td class="code"><pre><span class="line"><span class="keyword">export</span> <span class="keyword">class</span> <span class="title class_">GameOfLife</span> {</span><br><span class="line"> <span class="keyword">private</span> <span class="attr">activeCells</span>: <span class="title class_">Array</span><[<span class="built_in">number</span>, <span class="built_in">number</span>]>;</span><br><span class="line"></span><br><span class="line"> <span class="title function_">constructor</span>(<span class="params"></span>) {</span><br><span class="line"> <span class="variable language_">this</span>.<span class="property">activeCells</span> = []; <span class="comment">// 初始化矩阵</span></span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="title function_">addCell</span>(<span class="attr">x</span>: <span class="built_in">number</span>, <span class="attr">y</span>: <span class="built_in">number</span>): <span class="built_in">void</span> { <span class="comment">// 添加活细胞亮点</span></span><br><span class="line"> <span class="variable language_">this</span>.<span class="property">activeCells</span>.<span class="title function_">push</span>([x, y]);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="title function_">removeCell</span>(<span class="attr">x</span>: <span class="built_in">number</span>, <span class="attr">y</span>: <span class="built_in">number</span>): <span class="built_in">void</span> { <span class="comment">// 删除活细胞亮点</span></span><br><span class="line"> <span class="variable language_">this</span>.<span class="property">activeCells</span> = <span class="variable language_">this</span>.<span class="property">activeCells</span>.<span class="title function_">filter</span>(<span class="function">(<span class="params">[cx, cy]</span>) =></span> cx !== x || cy !== y);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="title function_">isActive</span>(<span class="attr">x</span>: <span class="built_in">number</span>, <span class="attr">y</span>: <span class="built_in">number</span>): <span class="built_in">boolean</span> { <span class="comment">// 验证该位置是否有存活的细胞</span></span><br><span class="line"> <span class="keyword">return</span> <span class="variable language_">this</span>.<span class="property">activeCells</span>.<span class="title function_">some</span>(<span class="function">(<span class="params">[cx, cy]</span>) =></span> cx === x && cy === y);</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">private</span> <span class="title function_">getNeighbors</span>(<span class="attr">x</span>: <span class="built_in">number</span>, <span class="attr">y</span>: <span class="built_in">number</span>): <span class="title class_">Array</span><[<span class="built_in">number</span>, <span class="built_in">number</span>]> {</span><br><span class="line"> <span class="keyword">const</span> <span class="attr">neighbors</span>: <span class="title class_">Array</span><[<span class="built_in">number</span>, <span class="built_in">number</span>]> = [];</span><br><span class="line"> <span class="keyword">for</span> (<span class="keyword">let</span> dx = -<span class="number">1</span>; dx <= <span class="number">1</span>; dx++) {</span><br><span class="line"> <span class="keyword">for</span> (<span class="keyword">let</span> dy = -<span class="number">1</span>; dy <= <span class="number">1</span>; dy++) {</span><br><span class="line"> <span class="keyword">if</span> (dx === <span class="number">0</span> && dy === <span class="number">0</span>) <span class="keyword">continue</span>;</span><br><span class="line"> neighbors.<span class="title function_">push</span>([x + dx, y + dy]);</span><br><span class="line"> }</span><br><span class="line"> }</span><br><span class="line"> <span class="keyword">return</span> neighbors;</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="keyword">private</span> <span class="title function_">countActiveNeighbors</span>(<span class="attr">x</span>: <span class="built_in">number</span>, <span class="attr">y</span>: <span class="built_in">number</span>): <span class="built_in">number</span> {</span><br><span class="line"> <span class="keyword">return</span> <span class="variable language_">this</span>.<span class="title function_">getNeighbors</span>(x, y).<span class="title function_">reduce</span>(</span><br><span class="line"> <span class="function">(<span class="params">count, [nx, ny]</span>) =></span> count + (<span class="variable language_">this</span>.<span class="title function_">isActive</span>(nx, ny) ? <span class="number">1</span> : <span class="number">0</span>),</span><br><span class="line"> <span class="number">0</span></span><br><span class="line"> );</span><br><span class="line"> }</span><br><span class="line"></span><br><span class="line"> <span class="title function_">step</span>(): <span class="built_in">void</span> { <span class="comment">// 执行一次规则</span></span><br><span class="line"> <span class="keyword">const</span> toEvaluate = <span class="keyword">new</span> <span class="title class_">Set</span><<span class="built_in">string</span>>();</span><br><span class="line"> <span class="keyword">const</span> <span class="attr">nextState</span>: <span class="title class_">Array</span><[<span class="built_in">number</span>, <span class="built_in">number</span>]> = [];</span><br><span class="line"></span><br><span class="line"> <span class="variable language_">this</span>.<span class="property">activeCells</span>.<span class="title function_">forEach</span>(<span class="function">(<span class="params">[x, y]</span>) =></span> {</span><br><span class="line"> toEvaluate.<span class="title function_">add</span>(<span class="string">`<span class="subst">${x}</span>,<span class="subst">${y}</span>`</span>);</span><br><span class="line"> <span class="variable language_">this</span>.<span class="title function_">getNeighbors</span>(x, y).<span class="title function_">forEach</span>(<span class="function">(<span class="params">[nx, ny]</span>) =></span> {</span><br><span class="line"> toEvaluate.<span class="title function_">add</span>(<span class="string">`<span class="subst">${nx}</span>,<span class="subst">${ny}</span>`</span>);</span><br><span class="line"> });</span><br><span class="line"> });</span><br><span class="line"></span><br><span class="line"> toEvaluate.<span class="title function_">forEach</span>(<span class="function">(<span class="params"><span class="attr">cell</span>: <span class="built_in">string</span></span>) =></span> {</span><br><span class="line"> <span class="keyword">const</span> [x, y] = cell.<span class="title function_">split</span>(<span class="string">","</span>).<span class="title function_">map</span>(<span class="title class_">Number</span>);</span><br><span class="line"> <span class="keyword">const</span> isActive = <span class="variable language_">this</span>.<span class="title function_">isActive</span>(x, y);</span><br><span class="line"> <span class="keyword">const</span> activeNeighbors = <span class="variable language_">this</span>.<span class="title function_">countActiveNeighbors</span>(x, y);</span><br><span class="line"> <span class="keyword">if</span> (</span><br><span class="line"> (isActive && (activeNeighbors === <span class="number">2</span> || activeNeighbors === <span class="number">3</span>)) ||</span><br><span class="line"> (!isActive && activeNeighbors === <span class="number">3</span>)</span><br><span class="line"> ) {</span><br><span class="line"> nextState.<span class="title function_">push</span>([x, y]);</span><br><span class="line"> }</span><br><span class="line"> });</span><br><span class="line"></span><br><span class="line"> <span class="variable language_">this</span>.<span class="property">activeCells</span> = nextState;</span><br><span class="line"> }</span><br><span class="line">}</span><br></pre></td></tr></table></figure></article><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta"><i class="fas fa-circle-user fa-fw"></i>文章作者: </span><span class="post-copyright-info"><a href="https://dabotxt.github.io">DB</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta"><i class="fas fa-square-arrow-up-right fa-fw"></i>文章链接: </span><span class="post-copyright-info"><a href="https://dabotxt.github.io/8cc9b930.html">https://dabotxt.github.io/8cc9b930.html</a></span></div><div class="post-copyright__notice"><span class="post-copyright-meta"><i class="fas fa-circle-exclamation fa-fw"></i>版权声明: </span><span class="post-copyright-info">本博客所有文章除特别声明外,均采用 <a 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