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<td class="detailHeaderName">getNextFaceNormalID</td><td class="detailHeaderParens">()</td><td class="detailHeaderType">method</td><td class="detailHeaderRule">&nbsp;</td>
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<code>public function getNextFaceNormalID():int</code><p>
   Returns the next unused normal id.
      </p><p>This is the next free index in the normal list, and used by setFaceNormal</p>
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