="sourceCode r"><span id="cb44-1"><a href="building-a-tower-and-jumping-on-top.html#cb44-1"></a>ground_height &lt;-<span class="st"> </span><span class="kw">getHeight</span>(my_pos[<span class="dv">1</span>] <span class="op">+</span><span class="st"> </span><span class="dv">-1</span>, my_pos[<span class="dv">3</span>] <span class="op">+</span><span class="st"> </span><span class="dv">-1</span>)</span>
<span id="cb44-2"><a href="building-a-tower-and-jumping-on-top.html#cb44-2"></a><span class="kw">setBlocks<