e">const <a class="el" href="structb2_vec2.html">b2Vec2</a> &amp;&#160;</td>
          <td class="paramname"><em>normal</em>, </td>
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          <td class="paramkey"></td>
          <td></td>
          <td class="paramtype">float32&#160;</td>
          <td class="paramname"><em>fraction</em>&#160;</td>
        </tr>
        <tr>
          <td></td>
          <td>)</td>
          <td></td><td><code> [pure virtual]</code></td>
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