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highlighting-kate-0.6.3: tests/life.lua.html

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</style></head><body><div class="sourceCode"><pre class="sourceCode"><code class="sourceCode"><span class="do" title="DocumentationTok">-- life.lua</span>
<span class="do" title="DocumentationTok">-- original by Dave Bollinger </span><span class="kw" title="KeywordTok">&lt;DBollinger</span><span class="ot" title="OtherTok">@compuserve.com</span><span class="kw" title="KeywordTok">&gt;</span><span class="do" title="DocumentationTok"> posted to lua-l</span>
<span class="do" title="DocumentationTok">-- modified to use ANSI terminal escape sequences</span>
<span class="do" title="DocumentationTok">-- modified to use for instead of while</span>

<span class="kw" title="KeywordTok">local</span> <span class="fu" title="FunctionTok">write</span><span class="ot" title="OtherTok">=</span><span class="fu" title="FunctionTok">io.write</span>

ALIVE<span class="ot" title="OtherTok">=</span><span class="st" title="StringTok">&quot;¥&quot;</span>	DEAD<span class="ot" title="OtherTok">=</span><span class="st" title="StringTok">&quot;þ&quot;</span>
ALIVE<span class="ot" title="OtherTok">=</span><span class="st" title="StringTok">&quot;O&quot;</span>	DEAD<span class="ot" title="OtherTok">=</span><span class="st" title="StringTok">&quot;-&quot;</span>

<span class="kw" title="KeywordTok">function</span> delay<span class="ot" title="OtherTok">()</span> <span class="do" title="DocumentationTok">-- NOTE: SYSTEM-DEPENDENT, adjust as necessary</span>
  <span class="kw" title="KeywordTok">for</span> i<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">10000</span> <span class="kw" title="KeywordTok">do</span> <span class="kw" title="KeywordTok">end</span>
  <span class="do" title="DocumentationTok">-- local i=os.clock()+1 while(os.clock()</span><span class="kw" title="KeywordTok">&lt;i</span><span class="ot" title="OtherTok">) do end</span>
<span class="kw" title="KeywordTok">end</span>

<span class="kw" title="KeywordTok">function</span> ARRAY2D<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>
  <span class="kw" title="KeywordTok">local</span> t <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span>w<span class="ot" title="OtherTok">=</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span>h<span class="ot" title="OtherTok">}</span>
  <span class="kw" title="KeywordTok">for</span> y<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>h <span class="kw" title="KeywordTok">do</span>
    t<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{}</span>
    <span class="kw" title="KeywordTok">for</span> x<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>w <span class="kw" title="KeywordTok">do</span>
      t<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">]=</span><span class="dv" title="DecValTok">0</span>
    <span class="kw" title="KeywordTok">end</span>
  <span class="kw" title="KeywordTok">end</span>
  <span class="kw" title="KeywordTok">return</span> t
<span class="kw" title="KeywordTok">end</span>

_CELLS <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{}</span>

<span class="do" title="DocumentationTok">-- give birth to a &quot;shape&quot; within the cell array</span>
<span class="kw" title="KeywordTok">function</span> _CELLS:spawn<span class="ot" title="OtherTok">(</span>shape<span class="ot" title="OtherTok">,</span>left<span class="ot" title="OtherTok">,</span>top<span class="ot" title="OtherTok">)</span>
  <span class="kw" title="KeywordTok">for</span> y<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span>shape<span class="ot" title="OtherTok">.</span>h<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span> <span class="kw" title="KeywordTok">do</span>
    <span class="kw" title="KeywordTok">for</span> x<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span>shape<span class="ot" title="OtherTok">.</span>w<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span> <span class="kw" title="KeywordTok">do</span>
      self<span class="ot" title="OtherTok">[</span>top<span class="ot" title="OtherTok">+</span>y<span class="ot" title="OtherTok">][</span>left<span class="ot" title="OtherTok">+</span>x<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">=</span> shape<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">*</span>shape<span class="ot" title="OtherTok">.</span>w<span class="ot" title="OtherTok">+</span>x<span class="ot" title="OtherTok">+</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">]</span>
    <span class="kw" title="KeywordTok">end</span>
  <span class="kw" title="KeywordTok">end</span>
<span class="kw" title="KeywordTok">end</span>

<span class="do" title="DocumentationTok">-- run the CA and produce the next generation</span>
<span class="kw" title="KeywordTok">function</span> _CELLS:evolve<span class="ot" title="OtherTok">(</span><span class="fu" title="FunctionTok">next</span><span class="ot" title="OtherTok">)</span>
  <span class="kw" title="KeywordTok">local</span> ym1<span class="ot" title="OtherTok">,</span>y<span class="ot" title="OtherTok">,</span>yp1<span class="ot" title="OtherTok">,</span>yi<span class="ot" title="OtherTok">=</span>self<span class="ot" title="OtherTok">.</span>h<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>h<span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>h
  <span class="kw" title="KeywordTok">while</span> yi <span class="ot" title="OtherTok">&gt;</span> <span class="dv" title="DecValTok">0</span> <span class="kw" title="KeywordTok">do</span>
    <span class="kw" title="KeywordTok">local</span> xm1<span class="ot" title="OtherTok">,</span>x<span class="ot" title="OtherTok">,</span>xp1<span class="ot" title="OtherTok">,</span>xi<span class="ot" title="OtherTok">=</span>self<span class="ot" title="OtherTok">.</span>w<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>w<span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>w
    <span class="kw" title="KeywordTok">while</span> xi <span class="ot" title="OtherTok">&gt;</span> <span class="dv" title="DecValTok">0</span> <span class="kw" title="KeywordTok">do</span>
      <span class="kw" title="KeywordTok">local</span> sum <span class="ot" title="OtherTok">=</span> self<span class="ot" title="OtherTok">[</span>ym1<span class="ot" title="OtherTok">][</span>xm1<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span> self<span class="ot" title="OtherTok">[</span>ym1<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span> self<span class="ot" title="OtherTok">[</span>ym1<span class="ot" title="OtherTok">][</span>xp1<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span>
                  self<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>xm1<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span> self<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>xp1<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span>
                  self<span class="ot" title="OtherTok">[</span>yp1<span class="ot" title="OtherTok">][</span>xm1<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span> self<span class="ot" title="OtherTok">[</span>yp1<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">+</span> self<span class="ot" title="OtherTok">[</span>yp1<span class="ot" title="OtherTok">][</span>xp1<span class="ot" title="OtherTok">]</span>
      <span class="fu" title="FunctionTok">next</span><span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">]</span> <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">((</span>sum<span class="ot" title="OtherTok">==</span><span class="dv" title="DecValTok">2</span><span class="ot" title="OtherTok">)</span> <span class="kw" title="KeywordTok">and</span> self<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">])</span> <span class="kw" title="KeywordTok">or</span> <span class="ot" title="OtherTok">((</span>sum<span class="ot" title="OtherTok">==</span><span class="dv" title="DecValTok">3</span><span class="ot" title="OtherTok">)</span> <span class="kw" title="KeywordTok">and</span> <span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">)</span> <span class="kw" title="KeywordTok">or</span> <span class="dv" title="DecValTok">0</span>
      xm1<span class="ot" title="OtherTok">,</span>x<span class="ot" title="OtherTok">,</span>xp1<span class="ot" title="OtherTok">,</span>xi <span class="ot" title="OtherTok">=</span> x<span class="ot" title="OtherTok">,</span>xp1<span class="ot" title="OtherTok">,</span>xp1<span class="ot" title="OtherTok">+</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>xi<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span>
    <span class="kw" title="KeywordTok">end</span>
    ym1<span class="ot" title="OtherTok">,</span>y<span class="ot" title="OtherTok">,</span>yp1<span class="ot" title="OtherTok">,</span>yi <span class="ot" title="OtherTok">=</span> y<span class="ot" title="OtherTok">,</span>yp1<span class="ot" title="OtherTok">,</span>yp1<span class="ot" title="OtherTok">+</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>yi<span class="ot" title="OtherTok">-</span><span class="dv" title="DecValTok">1</span>
  <span class="kw" title="KeywordTok">end</span>
<span class="kw" title="KeywordTok">end</span>

<span class="do" title="DocumentationTok">-- output the array to screen</span>
<span class="kw" title="KeywordTok">function</span> _CELLS:draw<span class="ot" title="OtherTok">()</span>
  <span class="kw" title="KeywordTok">local</span> out<span class="ot" title="OtherTok">=</span><span class="st" title="StringTok">&quot;&quot;</span> <span class="do" title="DocumentationTok">-- accumulate to reduce flicker</span>
  <span class="kw" title="KeywordTok">for</span> y<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>h <span class="kw" title="KeywordTok">do</span>
   <span class="kw" title="KeywordTok">for</span> x<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span>self<span class="ot" title="OtherTok">.</span>w <span class="kw" title="KeywordTok">do</span>
      out<span class="ot" title="OtherTok">=</span>out<span class="ot" title="OtherTok">..(((</span>self<span class="ot" title="OtherTok">[</span>y<span class="ot" title="OtherTok">][</span>x<span class="ot" title="OtherTok">]&gt;</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">)</span> <span class="kw" title="KeywordTok">and</span> ALIVE<span class="ot" title="OtherTok">)</span> <span class="kw" title="KeywordTok">or</span> DEAD<span class="ot" title="OtherTok">)</span>
    <span class="kw" title="KeywordTok">end</span>
    out<span class="ot" title="OtherTok">=</span>out<span class="ot" title="OtherTok">..</span><span class="st" title="StringTok">&quot;</span><span class="ot" title="OtherTok">\n</span><span class="st" title="StringTok">&quot;</span>
  <span class="kw" title="KeywordTok">end</span>
  <span class="fu" title="FunctionTok">write</span><span class="ot" title="OtherTok">(</span>out<span class="ot" title="OtherTok">)</span>
<span class="kw" title="KeywordTok">end</span>

<span class="do" title="DocumentationTok">-- constructor</span>
<span class="kw" title="KeywordTok">function</span> CELLS<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>
  <span class="kw" title="KeywordTok">local</span> c <span class="ot" title="OtherTok">=</span> ARRAY2D<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>
  c<span class="ot" title="OtherTok">.</span>spawn <span class="ot" title="OtherTok">=</span> _CELLS<span class="ot" title="OtherTok">.</span>spawn
  c<span class="ot" title="OtherTok">.</span>evolve <span class="ot" title="OtherTok">=</span> _CELLS<span class="ot" title="OtherTok">.</span>evolve
  c<span class="ot" title="OtherTok">.</span>draw <span class="ot" title="OtherTok">=</span> _CELLS<span class="ot" title="OtherTok">.</span>draw
  <span class="kw" title="KeywordTok">return</span> c
<span class="kw" title="KeywordTok">end</span>

<span class="do" title="DocumentationTok">--</span>
<span class="do" title="DocumentationTok">-- shapes suitable for use with spawn() above</span>
<span class="do" title="DocumentationTok">--</span>
HEART <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span> <span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">;</span> w<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">3</span><span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">3</span> <span class="ot" title="OtherTok">}</span>
GLIDER <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span> <span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">;</span> w<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">3</span><span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">3</span> <span class="ot" title="OtherTok">}</span>
EXPLODE <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span> <span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">;</span> w<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">3</span><span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">4</span> <span class="ot" title="OtherTok">}</span>
FISH <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span> <span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">;</span> w<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">5</span><span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">4</span> <span class="ot" title="OtherTok">}</span>
BUTTERFLY <span class="ot" title="OtherTok">=</span> <span class="ot" title="OtherTok">{</span> <span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">0</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">1</span><span class="ot" title="OtherTok">;</span> w<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">5</span><span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">5</span> <span class="ot" title="OtherTok">}</span>

<span class="do" title="DocumentationTok">-- the main routine</span>
<span class="kw" title="KeywordTok">function</span> LIFE<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>
  <span class="do" title="DocumentationTok">-- create two arrays</span>
  <span class="kw" title="KeywordTok">local</span> thisgen <span class="ot" title="OtherTok">=</span> CELLS<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>
  <span class="kw" title="KeywordTok">local</span> nextgen <span class="ot" title="OtherTok">=</span> CELLS<span class="ot" title="OtherTok">(</span>w<span class="ot" title="OtherTok">,</span>h<span class="ot" title="OtherTok">)</span>

  <span class="do" title="DocumentationTok">-- create some life</span>
  <span class="do" title="DocumentationTok">-- about 1000 generations of fun, then a glider steady-state</span>
  thisgen:spawn<span class="ot" title="OtherTok">(</span>GLIDER<span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">5</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">4</span><span class="ot" title="OtherTok">)</span>
  thisgen:spawn<span class="ot" title="OtherTok">(</span>EXPLODE<span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">25</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">10</span><span class="ot" title="OtherTok">)</span>
  thisgen:spawn<span class="ot" title="OtherTok">(</span>FISH<span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">4</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">12</span><span class="ot" title="OtherTok">)</span>

  <span class="do" title="DocumentationTok">-- run until break</span>
  <span class="kw" title="KeywordTok">local</span> gen<span class="ot" title="OtherTok">=</span><span class="dv" title="DecValTok">1</span>
  <span class="fu" title="FunctionTok">write</span><span class="ot" title="OtherTok">(</span><span class="st" title="StringTok">&quot;\027[2J&quot;</span><span class="ot" title="OtherTok">)</span>	<span class="do" title="DocumentationTok">-- ANSI clear screen</span>
  <span class="kw" title="KeywordTok">while</span> <span class="dv" title="DecValTok">1</span> <span class="kw" title="KeywordTok">do</span>
    thisgen:evolve<span class="ot" title="OtherTok">(</span>nextgen<span class="ot" title="OtherTok">)</span>
    thisgen<span class="ot" title="OtherTok">,</span>nextgen <span class="ot" title="OtherTok">=</span> nextgen<span class="ot" title="OtherTok">,</span>thisgen
    <span class="fu" title="FunctionTok">write</span><span class="ot" title="OtherTok">(</span><span class="st" title="StringTok">&quot;\027[H&quot;</span><span class="ot" title="OtherTok">)</span>	<span class="do" title="DocumentationTok">-- ANSI home cursor</span>
    thisgen:draw<span class="ot" title="OtherTok">()</span>
    <span class="fu" title="FunctionTok">write</span><span class="ot" title="OtherTok">(</span><span class="st" title="StringTok">&quot;Life - generation &quot;</span><span class="ot" title="OtherTok">,</span>gen<span class="ot" title="OtherTok">,</span><span class="st" title="StringTok">&quot;</span><span class="ot" title="OtherTok">\n</span><span class="st" title="StringTok">&quot;</span><span class="ot" title="OtherTok">)</span>
    gen<span class="ot" title="OtherTok">=</span>gen<span class="ot" title="OtherTok">+</span><span class="dv" title="DecValTok">1</span>
    <span class="kw" title="KeywordTok">if</span> gen<span class="ot" title="OtherTok">&gt;</span><span class="dv" title="DecValTok">2000</span> <span class="kw" title="KeywordTok">then</span> <span class="kw" title="KeywordTok">break</span> <span class="kw" title="KeywordTok">end</span>
    <span class="do" title="DocumentationTok">--delay()		-- no delay</span>
  <span class="kw" title="KeywordTok">end</span>
<span class="kw" title="KeywordTok">end</span>

LIFE<span class="ot" title="OtherTok">(</span><span class="dv" title="DecValTok">40</span><span class="ot" title="OtherTok">,</span><span class="dv" title="DecValTok">20</span><span class="ot" title="OtherTok">)</span></code></pre></div></body>