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<h1>Ogre::Plane Class Reference</h1>Defines a plane in 3D space.  
<a href="#_details">More...</a>
<p>
<code>#include &lt;<a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>&gt;</code>
<p>
Inheritance diagram for Ogre::Plane:<p><center><img src="classOgre_1_1Plane__inherit__graph.png" border="0" usemap="#Ogre_1_1Plane__inherit__map" alt="Inheritance graph"></center>
<map name="Ogre_1_1Plane__inherit__map">
<area href="classOgre_1_1MovablePlane.html" shape="rect" coords="7,87,137,105" alt="">
</map>
<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classOgre_1_1Plane-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td></td></tr>
<tr><td colspan=2><br><h2>Public Types</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>enum &nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3">Side</a> { <a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3Ogre_1_1Planew0">NO_SIDE</a>, 
<a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3Ogre_1_1Planew1">POSITIVE_SIDE</a>, 
<a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3Ogre_1_1Planew2">NEGATIVE_SIDE</a>
 }</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">The "positive side" of the plane is the half space to which the plane normal points.  <a href="#Ogre_1_1Planew3">More...</a><br><br></td></tr>
<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea0">Plane</a> ()</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor - sets everything to 0.  <a href="#Ogre_1_1Planea0"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea1">Plane</a> (const <a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;rhs)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea2">Plane</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkNormal, <a class="el" href="namespaceOgre.html#a420">Real</a> fConstant)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Construct a plane through a normal, and a distance to move the plane along the normal.  <a href="#Ogre_1_1Planea2"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea3">Plane</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkNormal, const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea4">Plane</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint0, const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint1, const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint2)</td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3">Side</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea5">getSide</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint) const </td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="namespaceOgre.html#a420">Real</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea6">getDistance</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This is a pseudodistance.  <a href="#Ogre_1_1Planea6"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>void&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea7">redefine</a> (const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint0, const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint1, const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;rkPoint2)</td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Redefine this plane based on 3 points.  <a href="#Ogre_1_1Planea7"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>bool&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planea8">operator==</a> (const <a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;rhs) const </td></tr>

<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Comparison operator.  <a href="#Ogre_1_1Planea8"></a><br><br></td></tr>
<tr><td colspan=2><br><h2>Public Attributes</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="classOgre_1_1Vector3.html">Vector3</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planeo0">normal</a></td></tr>

<tr><td class="memItemLeft" nowrap align=right valign=top><a class="el" href="namespaceOgre.html#a420">Real</a>&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planeo1">d</a></td></tr>

<tr><td colspan=2><br><h2>Friends</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>_OgreExport friend std::ostream &amp;&nbsp;</td><td class="memItemRight" valign=bottom><a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planen0">operator&lt;&lt;</a> (std::ostream &amp;o, <a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;p)</td></tr>

</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Defines a plane in 3D space. 
<p>
<dl compact><dt><b>Remarks:</b></dt><dd>A plane is defined in 3D space by the equation Ax + By + Cz + D = 0 </dd></dl>
<dl compact><dt><b></b></dt><dd>This equates to a vector (the normal of the plane, whose x, y and z components equate to the coefficients A, B and C respectively), and a constant (D) which is the distance along the normal you have to go to move the plane back to the origin. </dd></dl>

<p>

<p>
Definition at line <a class="el" href="OgrePlane_8h-source.html#l00049">49</a> of file <a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>.<hr><h2>Member Enumeration Documentation</h2>
<a class="anchor" name="Ogre_1_1Planew3" doxytag="Ogre::Plane::Side" ></a><p>
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          <td class="md" nowrap valign="top"> enum <a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3">Ogre::Plane::Side</a>
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      &nbsp;
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<p>
The "positive side" of the plane is the half space to which the plane normal points. 
<p>
The "negative side" is the other half space. The flag "no side" indicates the plane itself. <dl compact><dt><b>Enumeration values: </b></dt><dd>
<table border=0 cellspacing=2 cellpadding=0>
<tr><td valign=top><em><a class="anchor" name="Ogre_1_1Planew3Ogre_1_1Planew0" doxytag="NO_SIDE" ></a>NO_SIDE</em>&nbsp;</td><td>
</td></tr>
<tr><td valign=top><em><a class="anchor" name="Ogre_1_1Planew3Ogre_1_1Planew1" doxytag="POSITIVE_SIDE" ></a>POSITIVE_SIDE</em>&nbsp;</td><td>
</td></tr>
<tr><td valign=top><em><a class="anchor" name="Ogre_1_1Planew3Ogre_1_1Planew2" doxytag="NEGATIVE_SIDE" ></a>NEGATIVE_SIDE</em>&nbsp;</td><td>
</td></tr>
</table>
</dl>

<p>
Definition at line <a class="el" href="OgrePlane_8h-source.html#l00066">66</a> of file <a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>.    </td>
  </tr>
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<hr><h2>Constructor &amp; Destructor Documentation</h2>
<a class="anchor" name="Ogre_1_1Planea0" doxytag="Ogre::Plane::Plane" ></a><p>
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          <td class="md" nowrap valign="top"> Ogre::Plane::Plane </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
Default constructor - sets everything to 0. 
<p>
    </td>
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<a class="anchor" name="Ogre_1_1Planea1" doxytag="Ogre::Plane::Plane" ></a><p>
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          <td class="md" nowrap valign="top"> Ogre::Plane::Plane </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rhs</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap></td>
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<p>
    </td>
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<a class="anchor" name="Ogre_1_1Planea2" doxytag="Ogre::Plane::Plane" ></a><p>
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          <td class="md" nowrap valign="top"> Ogre::Plane::Plane </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkNormal</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="namespaceOgre.html#a420">Real</a>&nbsp;</td>
          <td class="mdname" nowrap> <em>fConstant</em></td>
        </tr>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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      &nbsp;
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<p>
Construct a plane through a normal, and a distance to move the plane along the normal. 
<p>
    </td>
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<a class="anchor" name="Ogre_1_1Planea3" doxytag="Ogre::Plane::Plane" ></a><p>
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          <td class="md" nowrap valign="top"> Ogre::Plane::Plane </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkNormal</em>, </td>
        </tr>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
    </td>
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<a class="anchor" name="Ogre_1_1Planea4" doxytag="Ogre::Plane::Plane" ></a><p>
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          <td class="md" nowrap valign="top"> Ogre::Plane::Plane </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint0</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint1</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint2</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
    </td>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="Ogre_1_1Planea6" doxytag="Ogre::Plane::getDistance" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="namespaceOgre.html#a420">Real</a> Ogre::Plane::getDistance </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rkPoint</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
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<p>
This is a pseudodistance. 
<p>
The sign of the return value is positive if the point is on the positive side of the plane, negative if the point is on the negative side, and zero if the point is on the plane. <dl compact><dt><b></b></dt><dd>The absolute value of the return value is the true distance only when the plane normal is a unit length vector. </dd></dl>

<p>
Referenced by <a class="el" href="OgrePlaneBoundedVolume_8h-source.html#l00093">Ogre::PlaneBoundedVolume::intersects()</a>.    </td>
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<a class="anchor" name="Ogre_1_1Planea5" doxytag="Ogre::Plane::getSide" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planew3">Side</a> Ogre::Plane::getSide </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rkPoint</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
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<p>

<p>
Referenced by <a class="el" href="OgrePlaneBoundedVolume_8h-source.html#l00055">Ogre::PlaneBoundedVolume::intersects()</a>.    </td>
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<a class="anchor" name="Ogre_1_1Planea8" doxytag="Ogre::Plane::operator==" ></a><p>
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          <td class="md" nowrap valign="top"> bool Ogre::Plane::operator== </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap> <em>rhs</em>          </td>
          <td class="md" valign="top">&nbsp;)&nbsp;</td>
          <td class="md" nowrap> const</td>
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<p>
Comparison operator. 
<p>

<p>
Definition at line <a class="el" href="OgrePlane_8h-source.html#l00092">92</a> of file <a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>.
<p>
References <a class="el" href="OgrePlane_8h-source.html#l00090">d</a>, and <a class="el" href="OgrePlane_8h-source.html#l00089">normal</a>.    </td>
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<a class="anchor" name="Ogre_1_1Planea7" doxytag="Ogre::Plane::redefine" ></a><p>
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          <td class="md" nowrap valign="top"> void Ogre::Plane::redefine </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint0</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint1</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>rkPoint2</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"></td>
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<p>
Redefine this plane based on 3 points. 
<p>
    </td>
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<hr><h2>Friends And Related Function Documentation</h2>
<a class="anchor" name="Ogre_1_1Planen0" doxytag="Ogre::Plane::operator<<" ></a><p>
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          <td class="md" nowrap valign="top"> _OgreExport friend std::ostream&amp; operator&lt;&lt; </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">std::ostream &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>o</em>, </td>
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          <td class="md" nowrap align="right"></td>
          <td></td>
          <td class="md" nowrap><a class="el" href="classOgre_1_1Plane.html">Plane</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap> <em>p</em></td>
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          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [friend]</code></td>
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<hr><h2>Member Data Documentation</h2>
<a class="anchor" name="Ogre_1_1Planeo1" doxytag="Ogre::Plane::d" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="namespaceOgre.html#a420">Real</a> <a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planeo1">Ogre::Plane::d</a>
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Definition at line <a class="el" href="OgrePlane_8h-source.html#l00090">90</a> of file <a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>.
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Referenced by <a class="el" href="OgreMatrix4_8h-source.html#l00185">Ogre::Matrix4::operator *()</a>, and <a class="el" href="OgrePlane_8h-source.html#l00092">operator==()</a>.    </td>
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<a class="anchor" name="Ogre_1_1Planeo0" doxytag="Ogre::Plane::normal" ></a><p>
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          <td class="md" nowrap valign="top"> <a class="el" href="classOgre_1_1Vector3.html">Vector3</a> <a class="el" href="classOgre_1_1Plane.html#Ogre_1_1Planeo0">Ogre::Plane::normal</a>
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<p>
Definition at line <a class="el" href="OgrePlane_8h-source.html#l00089">89</a> of file <a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a>.
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Referenced by <a class="el" href="OgreMatrix4_8h-source.html#l00185">Ogre::Matrix4::operator *()</a>, and <a class="el" href="OgrePlane_8h-source.html#l00092">operator==()</a>.    </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="OgrePlane_8h-source.html">OgrePlane.h</a></ul>
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Copyright &copy; 2000-2005 by The OGRE Team<br />
Last modified Wed Feb 23 00:21:57 2005
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