class="type" title="Float - The standard Float type, this is a double-precision IEEE 64bit float." href="../../Float.html">Float</a>&gt;</code></h3><div class="doc"><p>An array of alpha values for the corresponding colors in the colors
array. Valid values are between 0 and 1. If the value is less than 0,
0 is used. If the value is greater than 1, 1 is used.</p></div></div><div class="field "><a name="colors"></a><h3 class="anchor"><code><a href="#colors"><span class="identifier">colors</span></a>:<a class="