pb
      
      stack = stackStart
      
      <span class="keyword">for</span> i <span class="keyword">in</span> [<span class="number">0.</span>..radiusPlus1]
        stack.r = pr
        stack.g = pg
        stack.b = pb
        stack = stack.next
        
      <span class="keyword">for</span> i <span class="keyword">in</span> [<span class="number">1.</span>..radiusPlus1]
        p = yi + ((<span class="keyword">if</span> widthMinus1 &lt; i <span class="keyword">then</span> widthMinus1 <span class="keyw