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<title>Crystal Space 1.2.1: csFogMath Class Reference (Crystal Space 1.2.1 Public API Reference)</title>
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<h1>csFogMath Class Reference</h1><!-- doxytag: class="csFogMath" -->Fog math utilities.
<a href="#_details">More...</a>
<p>
<code>#include <<a class="el" href="fogmath_8h-source.html">cstool/fogmath.h</a>></code>
<p>
<p>
<a href="classcsFogMath-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 float </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsFogMath.html#56d0f38dafbc32848a267c05417ae3a0">DistanceForOpacity</a> (float density, float opacity)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Inverse of OpacityAtDistance. <a href="#56d0f38dafbc32848a267c05417ae3a0"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsFogMath.html#e5aca5f0130f4180581ac18263dbcdf7">OpacityAtDistance</a> (float density, float dist)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Compute fog opacity at a given distance. <a href="#e5aca5f0130f4180581ac18263dbcdf7"></a><br></td></tr>
<tr><td class="memItemLeft" nowrap align="right" valign="top">static float </td><td class="memItemRight" valign="bottom"><a class="el" href="classcsFogMath.html#74be5cd72713d13d9fb61bdaa9089e42">Ramp</a> (float depth)</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Calculates fog density for a certain depth in the range [0. <a href="#74be5cd72713d13d9fb61bdaa9089e42"></a><br></td></tr>
</table>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Fog math utilities.
<p>Definition at line <a class="el" href="fogmath_8h-source.html#l00027">27</a> of file <a class="el" href="fogmath_8h-source.html">fogmath.h</a>.</p>
<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="56d0f38dafbc32848a267c05417ae3a0"></a><!-- doxytag: member="csFogMath::DistanceForOpacity" ref="56d0f38dafbc32848a267c05417ae3a0" args="(float density, float opacity)" -->
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<td class="memname">static float csFogMath::DistanceForOpacity </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"> <em>density</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>opacity</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>
Inverse of OpacityAtDistance.
<p>
<p>Definition at line <a class="el" href="fogmath_8h-source.html#l00046">46</a> of file <a class="el" href="fogmath_8h-source.html">fogmath.h</a>.</p>
</div>
</div><p>
<a class="anchor" name="e5aca5f0130f4180581ac18263dbcdf7"></a><!-- doxytag: member="csFogMath::OpacityAtDistance" ref="e5aca5f0130f4180581ac18263dbcdf7" args="(float density, float dist)" -->
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<td class="memname">static float csFogMath::OpacityAtDistance </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"> <em>density</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"> <em>dist</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>
Compute fog opacity at a given distance.
<p>
<p>Definition at line <a class="el" href="fogmath_8h-source.html#l00041">41</a> of file <a class="el" href="fogmath_8h-source.html">fogmath.h</a>.</p>
<p>References <a class="el" href="fogmath_8h-source.html#l00033">Ramp()</a>.</p>
</div>
</div><p>
<a class="anchor" name="74be5cd72713d13d9fb61bdaa9089e42"></a><!-- doxytag: member="csFogMath::Ramp" ref="74be5cd72713d13d9fb61bdaa9089e42" args="(float depth)" -->
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<td class="memname">static float csFogMath::Ramp </td>
<td>(</td>
<td class="paramtype">float </td>
<td class="paramname"> <em>depth</em> </td>
<td> ) </td>
<td width="100%"><code> [inline, static]</code></td>
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<div class="memdoc">
<p>
Calculates fog density for a certain depth in the range [0.
<p>
.1]
<p>Definition at line <a class="el" href="fogmath_8h-source.html#l00033">33</a> of file <a class="el" href="fogmath_8h-source.html">fogmath.h</a>.</p>
<p>Referenced by <a class="el" href="fogmath_8h-source.html#l00041">OpacityAtDistance()</a>.</p>
</div>
</div><p>
<hr>The documentation for this class was generated from the following file:<ul>
<li>cstool/<a class="el" href="fogmath_8h-source.html">fogmath.h</a></ul>
<hr size="1"><address><small>Generated for Crystal Space 1.2.1 by
<a href="http://www.doxygen.org/index.html">doxygen</a> 1.5.3
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