 our key map and <code>love</code> functions:</p>
<pre><code class="lang-lua"><span class="hljs-comment">-- main.lua</span>

<span class="hljs-keyword">local</span> bar = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;entities/bar&apos;</span>)
<span class="hljs-keyword">local</span> triangle = <span class="hljs-built_in">require</span>(<span class="hljs-string">&apos;entities/triangle&apos;</span>)
<span class="hljs-keyword">local</span> world = <span class="hljs-built_in">requi