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<title>NeL: NL3D::UWaterInstance class Reference</title>
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<h1>NL3D::UWaterInstance Class Reference</h1><code>#include <<a class="el" href="a06639.html">u_water.h</a>></code>
<p>
<p>Inheritance diagram for NL3D::UWaterInstance:
<p><center><img src="a03957.png" usemap="#NL3D::UWaterInstance_map" border="0" alt=""></center>
<map name="NL3D::UWaterInstance_map">
<area href="a03720.html" alt="NL3D::CWaterInstanceUser" shape="rect" coords="0,56,165,80">
<area href="a03721.html" alt="NL3D::CWaterModel" shape="rect" coords="175,56,340,80">
</map>
<hr><a name="_details"></a><h2>Detailed Description</h2>
Helps to get infos about a water model You can get this interface by using a dynamic_cast on a <a class="el" href="a03047.html">UInstance</a> that is a water instance <dl compact><dt><b>Author:</b></dt><dd>Nicolas Vizerie <p>
Nevrax France </dd></dl>
<dl compact><dt><b>Date:</b></dt><dd>2001 </dd></dl>
<p>
<p>
Definition at line <a class="el" href="a06639.html#l00053">53</a> of file <a class="el" href="a06639.html">u_water.h</a>.<table border=0 cellpadding=0 cellspacing=0>
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<tr><td colspan=2><br><h2>Public Member Functions</h2></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual float </td><td class="memItemRight" valign=bottom><a class="el" href="a03957.html#NL3D_1_1UWaterInstancea0">getAttenuatedHeight</a> (const <a class="el" href="a03660.html">NLMISC::CVector2f</a> &pos, const <a class="el" href="a03128.html">NLMISC::CVector</a> &viewer)=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual float </td><td class="memItemRight" valign=bottom><a class="el" href="a03957.html#NL3D_1_1UWaterInstancea1">getHeight</a> (const <a class="el" href="a03660.html">NLMISC::CVector2f</a> &pos)=0</td></tr>
<tr><td class="mdescLeft"> </td><td class="mdescRight">Get the height of the water in world space at the given location. <a href="#NL3D_1_1UWaterInstancea1"></a><br><br></td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual float </td><td class="memItemRight" valign=bottom><a class="el" href="a03957.html#NL3D_1_1UWaterInstancea2">getHeightFactor</a> () const=0</td></tr>
<tr><td class="memItemLeft" nowrap align=right valign=top>virtual <a class="el" href="a04558.html#a11">uint32</a> </td><td class="memItemRight" valign=bottom><a class="el" href="a03957.html#NL3D_1_1UWaterInstancea3">getWaterHeightMapID</a> () const=0</td></tr>
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<hr><h2>Member Function Documentation</h2>
<a class="anchor" name="NL3D_1_1UWaterInstancea0" doxytag="NL3D::UWaterInstance::getAttenuatedHeight" ></a><p>
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<td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getAttenuatedHeight </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="a03660.html">NLMISC::CVector2f</a> & </td>
<td class="mdname" nowrap> <em>pos</em>, </td>
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<td class="md" nowrap align="right"></td>
<td></td>
<td class="md" nowrap>const <a class="el" href="a03128.html">NLMISC::CVector</a> & </td>
<td class="mdname" nowrap> <em>viewer</em></td>
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<td class="md">) </td>
<td class="md" colspan="2"><code> [pure virtual]</code></td>
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Get the attenuated height of the water in world space at the given location. You must provide the viewer position This is useful if you want to compute the position of a floating object
<p>
Implemented in <a class="el" href="a03721.html#NL3D_1_1CWaterModela7">NL3D::CWaterModel</a>, and <a class="el" href="a03720.html#NL3D_1_1CWaterInstanceUsera3">NL3D::CWaterInstanceUser</a>. </td>
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<a class="anchor" name="NL3D_1_1UWaterInstancea1" doxytag="NL3D::UWaterInstance::getHeight" ></a><p>
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<td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getHeight </td>
<td class="md" valign="top">( </td>
<td class="md" nowrap valign="top">const <a class="el" href="a03660.html">NLMISC::CVector2f</a> & </td>
<td class="mdname1" valign="top" nowrap> <em>pos</em> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap><code> [pure virtual]</code></td>
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Get the height of the water in world space at the given location.
<p>
<p>
Implemented in <a class="el" href="a03721.html#NL3D_1_1CWaterModela13">NL3D::CWaterModel</a>, and <a class="el" href="a03720.html#NL3D_1_1CWaterInstanceUsera8">NL3D::CWaterInstanceUser</a>. </td>
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<a class="anchor" name="NL3D_1_1UWaterInstancea2" doxytag="NL3D::UWaterInstance::getHeightFactor" ></a><p>
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<td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getHeightFactor </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [pure virtual]</code></td>
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When displaying the water height field, the value in the height field is actually multiplied by a factor to get the height in world space. This returns this factor
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Implemented in <a class="el" href="a03721.html#NL3D_1_1CWaterModela14">NL3D::CWaterModel</a>, and <a class="el" href="a03720.html#NL3D_1_1CWaterInstanceUsera9">NL3D::CWaterInstanceUser</a>. </td>
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<a class="anchor" name="NL3D_1_1UWaterInstancea3" doxytag="NL3D::UWaterInstance::getWaterHeightMapID" ></a><p>
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<td class="md" nowrap valign="top"> virtual <a class="el" href="a04558.html#a11">uint32</a> NL3D::UWaterInstance::getWaterHeightMapID </td>
<td class="md" valign="top">( </td>
<td class="mdname1" valign="top" nowrap> </td>
<td class="md" valign="top"> ) </td>
<td class="md" nowrap> const<code> [pure virtual]</code></td>
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Get the ID of the water height map attached with this surface of water. Once you got it, you can get an interface on it from the water height map manager. NB : a water height map is usually shared between several wtare instances
<p>
Implemented in <a class="el" href="a03721.html#NL3D_1_1CWaterModela28">NL3D::CWaterModel</a>, and <a class="el" href="a03720.html#NL3D_1_1CWaterInstanceUsera23">NL3D::CWaterInstanceUser</a>. </td>
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<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="a06639.html">u_water.h</a></ul>
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