x is the distance along the curve 
 (0 to 1), y is the orthogonal offset from the closest segment on the 
 curve and (width, height) is an additional Cartesian offset applied
 after the other calculations</dd>
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<h4>createCoreCurve</h4>
<pre class="methodSignature">protected&nbsp;void&nbsp;createCoreCurve()</pre>
<div class="block">Creates the core curve that is based on the guide points passed into
 thi