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<hr><h1>NL3D::UWaterInstance  Class Reference</h1>Helps to get infos about a water model You can get this interface by using a dynamic_cast on a <a class="el" href="classNL3D_1_1UInstance.html">UInstance</a> that is a water instance. 
<a href="#_details">More...</a>
<p>
<code>#include &lt;<a class="el" href="u__water_8h-source.html">u_water.h</a>&gt;</code>
<p>
<p>Inheritance diagram for NL3D::UWaterInstance:
<p><center><img src="classNL3D_1_1UWaterInstance.gif" usemap="#NL3D::UWaterInstance_map" border="0"></center>
<map name="NL3D::UWaterInstance_map">
<area href="classNL3D_1_1CWaterInstanceUser.html" alt="NL3D::CWaterInstanceUser" shape="rect" coords="0,56,165,80">
<area href="classNL3D_1_1CWaterModel.html" alt="NL3D::CWaterModel" shape="rect" coords="175,56,340,80">
</map>
<a href="classNL3D_1_1UWaterInstance-members.html">List of all members.</a><table border=0 cellpadding=0 cellspacing=0>
<tr><td colspan=2><br><h2>Public Methods</h2></td></tr>
<tr><td nowrap align=right valign=top>virtual <a class="el" href="memory__common_8h.html#a11">uint32</a>&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1UWaterInstance.html#a0">getWaterHeightMapID</a> () const=0</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>Get the ID of the water height map attached with this surface of water.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>virtual float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1UWaterInstance.html#a1">getHeightFactor</a> () const=0</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>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.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>virtual float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1UWaterInstance.html#a2">getHeight</a> (const <a class="el" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &amp;pos)=0</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>Get the height of the water in world space at the given location.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
<tr><td nowrap align=right valign=top>virtual float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1UWaterInstance.html#a3">getAttenuatedHeight</a> (const <a class="el" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &amp;pos, const <a class="el" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;viewer)=0</td></tr>
<tr><td>&nbsp;</td><td><font size=-1><em>Get the attenuated height of the water in world space at the given location.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
</table>
<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="classNL3D_1_1UInstance.html">UInstance</a> that is a water instance.
<p>
<dl compact><dt><b>
Author: </b><dd>
Nicolas Vizerie , Nevrax France </dl><dl compact><dt><b>
Date: </b><dd>
2001 </dl>
<p>

<p>
Definition at line <a class="el" href="u__water_8h-source.html#l00053">53</a> of file <a class="el" href="u__water_8h-source.html">u_water.h</a>.<hr><h2>Member Function Documentation</h2>
<a name="a3" doxytag="NL3D::UWaterInstance::getAttenuatedHeight"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
  <tr>
    <td class="md">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getAttenuatedHeight </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>pos</em>, </td>
        </tr>
        <tr>
          <td></td>
          <td></td>
          <td class="md" nowrap>const <a class="el" href="classNLMISC_1_1CVector.html">NLMISC::CVector</a> &amp;&nbsp;</td>
          <td class="mdname" nowrap>&nbsp; <em>viewer</em></td>
        </tr>
        <tr>
          <td></td>
          <td class="md">)&nbsp;</td>
          <td class="md" colspan="2"><code> [pure virtual]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Get the attenuated height of the water in world space at the given location.
<p>
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="classNL3D_1_1CWaterModel.html#a5">NL3D::CWaterModel</a>.    </td>
  </tr>
</table>
<a name="a2" doxytag="NL3D::UWaterInstance::getHeight"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
  <tr>
    <td class="md">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getHeight </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="md" nowrap valign="top">const <a class="el" href="classNLMISC_1_1CVector2f.html">NLMISC::CVector2f</a> &amp;&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp; <em>pos</em>          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap><code> [pure virtual]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Get the height of the water in world space at the given location.
<p>

<p>
Implemented in <a class="el" href="classNL3D_1_1CWaterModel.html#a4">NL3D::CWaterModel</a>.    </td>
  </tr>
</table>
<a name="a1" doxytag="NL3D::UWaterInstance::getHeightFactor"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
  <tr>
    <td class="md">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> virtual float NL3D::UWaterInstance::getHeightFactor </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
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.
<p>
This returns this factor 
<p>
Implemented in <a class="el" href="classNL3D_1_1CWaterModel.html#a3">NL3D::CWaterModel</a>.    </td>
  </tr>
</table>
<a name="a0" doxytag="NL3D::UWaterInstance::getWaterHeightMapID"></a><p>
<table width="100%" cellpadding="2" cellspacing="0" border="0">
  <tr>
    <td class="md">
      <table cellpadding="0" cellspacing="0" border="0">
        <tr>
          <td class="md" nowrap valign="top"> virtual <a class="el" href="memory__common_8h.html#a11">uint32</a> NL3D::UWaterInstance::getWaterHeightMapID </td>
          <td class="md" valign="top">(&nbsp;</td>
          <td class="mdname1" valign="top" nowrap>&nbsp;          </td>
          <td class="md" valign="top">)&nbsp;</td>
          <td class="md" nowrap> const<code> [pure virtual]</code></td>
        </tr>

      </table>
    </td>
  </tr>
</table>
<table cellspacing=5 cellpadding=0 border=0>
  <tr>
    <td>
      &nbsp;
    </td>
    <td>

<p>
Get the ID of the water height map attached with this surface of water.
<p>
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="classNL3D_1_1CWaterModel.html#a2">NL3D::CWaterModel</a>.    </td>
  </tr>
</table>
<hr>The documentation for this class was generated from the following file:<ul>
<li><a class="el" href="u__water_8h-source.html">u_water.h</a></ul>


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