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<title>Crystal Space 1.2.1: csDSquaredDist Class Reference (Crystal Space 1.2.1 Public API Reference)</title>
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<h1>csDSquaredDist Class Reference<br>
<small>
[<a class="el" href="group__geom__utils.html">Geometry utilities</a>]</small>
</h1><!-- doxytag: class="csDSquaredDist" -->Some functions to perform squared distance calculations.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="math3d__d_8h-source.html">csgeom/math3d_d.h</a>></code>
<p>
<p>
<a href="classcsDSquaredDist-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
<tr><td></td></tr>
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsDSquaredDist.html#5eeb2d83a4db087602ea64a832c7c97a">PointLine</a> (const <a class="el" href="classcsDVector3.html">csDVector3</a> &p, const <a class="el" href="classcsDVector3.html">csDVector3</a> &l1, const <a class="el" href="classcsDVector3.html">csDVector3</a> &l2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared distance between a point and a line. <a href="#5eeb2d83a4db087602ea64a832c7c97a"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsDSquaredDist.html#91c22dd69568bc3245d59d4da5f5fe30">PointPlane</a> (const <a class="el" href="classcsDVector3.html">csDVector3</a> &p, const <a class="el" href="classcsDPlane.html">csDPlane</a> &plane)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared distance between a point and a normalized plane. <a href="#91c22dd69568bc3245d59d4da5f5fe30"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsDSquaredDist.html#9fc7a8fc00057d57b74c08186c2e8eb3">PointPoint</a> (const <a class="el" href="classcsDVector3.html">csDVector3</a> &p1, const <a class="el" href="classcsDVector3.html">csDVector3</a> &p2)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared distance between two points. <a href="#9fc7a8fc00057d57b74c08186c2e8eb3"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsDSquaredDist.html#01246763b61d36d4aebfecaafc632983">PointPoly</a> (const <a class="el" href="classcsDVector3.html">csDVector3</a> &p, <a class="el" href="classcsDVector3.html">csDVector3</a> *V, int n, const <a class="el" href="classcsDPlane.html">csDPlane</a> &plane, double sqdist=-1)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the squared distance between a point and a polygon. <a href="#01246763b61d36d4aebfecaafc632983"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Some functions to perform squared distance calculations.
<p>
This is a static class and contains only static member functions.
<p>Definition at line <a class="el" href="math3d__d_8h-source.html#l00569">569</a> of file <a class="el" href="math3d__d_8h-source.html">math3d_d.h</a>.</p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="5eeb2d83a4db087602ea64a832c7c97a"></a><!-- doxytag: member="csDSquaredDist::PointLine" ref="5eeb2d83a4db087602ea64a832c7c97a" args="(const csDVector3 &p, const csDVector3 &l1, const csDVector3 &l2)" -->
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<td class="memname">static double csDSquaredDist::PointLine </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>l1</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>l2</em></td><td> </td>
</tr>
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<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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<p>
Returns the squared distance between a point and a line.
<p>
</div>
</div><p>
<a class="anchor" name="91c22dd69568bc3245d59d4da5f5fe30"></a><!-- doxytag: member="csDSquaredDist::PointPlane" ref="91c22dd69568bc3245d59d4da5f5fe30" args="(const csDVector3 &p, const csDPlane &plane)" -->
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<td class="memname">static double csDSquaredDist::PointPlane </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classcsDPlane.html">csDPlane</a> & </td>
<td class="paramname"> <em>plane</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline, static]</code></td>
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<p>
Returns the squared distance between a point and a normalized plane.
<p>
<p>Definition at line <a class="el" href="math3d__d_8h-source.html#l00581">581</a> of file <a class="el" href="math3d__d_8h-source.html">math3d_d.h</a>.</p>
<p>References <a class="el" href="math3d__d_8h-source.html#l00405">csDPlane::Classify()</a>.</p>
</div>
</div><p>
<a class="anchor" name="9fc7a8fc00057d57b74c08186c2e8eb3"></a><!-- doxytag: member="csDSquaredDist::PointPoint" ref="9fc7a8fc00057d57b74c08186c2e8eb3" args="(const csDVector3 &p1, const csDVector3 &p2)" -->
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<td class="memname">static double csDSquaredDist::PointPoint </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>p1</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>p2</em></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [inline, static]</code></td>
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<div class="memdoc">
<p>
Returns the squared distance between two points.
<p>
<p>Definition at line <a class="el" href="math3d__d_8h-source.html#l00573">573</a> of file <a class="el" href="math3d__d_8h-source.html">math3d_d.h</a>.</p>
<p>References <a class="el" href="math3d__d_8h-source.html#l00043">dSqr()</a>, <a class="el" href="math3d__d_8h-source.html#l00055">csDVector3::x</a>, <a class="el" href="math3d__d_8h-source.html#l00057">csDVector3::y</a>, and <a class="el" href="math3d__d_8h-source.html#l00059">csDVector3::z</a>.</p>
</div>
</div><p>
<a class="anchor" name="01246763b61d36d4aebfecaafc632983"></a><!-- doxytag: member="csDSquaredDist::PointPoly" ref="01246763b61d36d4aebfecaafc632983" args="(const csDVector3 &p, csDVector3 *V, int n, const csDPlane &plane, double sqdist=-1)" -->
<div class="memitem">
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<td class="memname">static double csDSquaredDist::PointPoly </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="classcsDVector3.html">csDVector3</a> & </td>
<td class="paramname"> <em>p</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="classcsDVector3.html">csDVector3</a> * </td>
<td class="paramname"> <em>V</em>, </td>
</tr>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"> <em>n</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="classcsDPlane.html">csDPlane</a> & </td>
<td class="paramname"> <em>plane</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">double </td>
<td class="paramname"> <em>sqdist</em> = <code>-1</code></td><td> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td><td width="100%"><code> [static]</code></td>
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<div class="memdoc">
<p>
Returns the squared distance between a point and a polygon.
<p>
If sqdist is >= 0, then it is used as the pre-calculated point to plane distance. V is an array of vertices, n is the number of vertices, and plane is the polygon plane.
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>csgeom/<a class="el" href="math3d__d_8h-source.html">math3d_d.h</a></ul>
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<a href="http://www.doxygen.org/index.html">doxygen</a> 1.5.3
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