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authorneodarz <neodarz@neodarz.net>2018-08-11 20:21:34 +0200
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+ <TD><B>Documentation</B></TD>
+ <TD ALIGN=RIGHT>&nbsp;</td>
+</tr></table>
+<!-- Generated by Doxygen 1.2.14 -->
+<center>
+<a class="qindex" href="index.html">Main Page</a> &nbsp; <a class="qindex" href="namespaces.html">Namespace List</a> &nbsp; <a class="qindex" href="hierarchy.html">Class Hierarchy</a> &nbsp; <a class="qindex" href="classes.html">Alphabetical List</a> &nbsp; <a class="qindex" href="annotated.html">Compound List</a> &nbsp; <a class="qindex" href="files.html">File List</a> &nbsp; <a class="qindex" href="namespacemembers.html">Namespace Members</a> &nbsp; <a class="qindex" href="functions.html">Compound Members</a> &nbsp; <a class="qindex" href="globals.html">File Members</a> &nbsp; <a class="qindex" href="pages.html">Related Pages</a> &nbsp; <a class="qindexRef" doxygen="_cgi:http://www.nevrax.org/cgi-bin/nel-search.cgi" href="http://www.nevrax.org/cgi-bin/nel-search.cgi">Search</a> &nbsp; </center>
+<hr><h1>NL3D::CFrustum Class Reference</h1>A Screen frustum, perspective or orthogonal.
+<a href="#_details">More...</a>
+<p>
+<code>#include &lt;<a class="el" href="frustum_8h-source.html">frustum.h</a>&gt;</code>
+<p>
+<a href="classNL3D_1_1CFrustum-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>&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a0">CFrustum</a> ()</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>Un-initialized frustum.</em> <a href="#a0">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a1">CFrustum</a> (float left, float right, float bottom, float top, float znear, float zfar, bool perspective=true)</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>ctor.</em> <a href="#a1">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>void&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a2">init</a> (float left, float right, float bottom, float top, float znear, float zfar, bool perspective=true)</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>Init a frustum.</em> <a href="#a2">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>void&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a3">init</a> (float <a class="el" href="driver__opengl__extension__def_8h.html#a389">width</a>, float <a class="el" href="driver__opengl__extension__def_8h.html#a390">height</a>, float znear, float zfar, bool perspective=true)</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>Init a centered frustum.</em> <a href="#a3">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>void&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a4">initPerspective</a> (float fov, float aspectRatio, float znear, float zfar)</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>Setup a perspective frustum, giving a fov in radians.</em> <a href="#a4">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>void&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a5">getValues</a> (float &amp;left, float &amp;right, float &amp;bottom, float &amp;top, float &amp;znear, float &amp;zfar) const</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>Get the value of the frustum.</em> <a href="#a5">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>CVector&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a6">project</a> (const CVector &amp;vec) const</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>project a vector (x,y,z) onto frustum.</em> <a href="#a6">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>CVector&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#a7">unProject</a> (const CVector &amp;vec) const</td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>unproject a point from screen to the frustum space.</em> <a href="#a7">More...</a><em></em></font><br><br></td></tr>
+<tr><td colspan=2><br><h2>Public Attributes</h2></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m0">Left</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m0">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m1">Right</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m1">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m2">Bottom</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m2">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m3">Top</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m3">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m4">Near</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m4">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>float&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m5">Far</a></td></tr>
+<tr><td>&nbsp;</td><td><font size=-1><em>NB: znear and zfar must be &gt;0 (if perspective).</em> <a href="#m5">More...</a><em></em></font><br><br></td></tr>
+<tr><td nowrap align=right valign=top>bool&nbsp;</td><td valign=bottom><a class="el" href="classNL3D_1_1CFrustum.html#m6">Perspective</a></td></tr>
+</table>
+<hr><a name="_details"></a><h2>Detailed Description</h2>
+A Screen frustum, perspective or orthogonal.
+<p>
+No default ctor. Usefull for camera. <dl compact><dt><b>
+Author: </b><dd>
+Lionel Berenguier , Nevrax France </dl><dl compact><dt><b>
+Date: </b><dd>
+2000 </dl>
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00047">47</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.<hr><h2>Constructor &amp; Destructor Documentation</h2>
+<a name="a0" doxytag="NL3D::CFrustum::CFrustum"></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"> NL3D::CFrustum::CFrustum </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><code> [inline]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Un-initialized frustum.
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00056">56</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+References <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>. </td>
+ </tr>
+</table>
+<a name="a1" doxytag="NL3D::CFrustum::CFrustum"></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"> NL3D::CFrustum::CFrustum </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>left</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>right</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>bottom</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>top</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>znear</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>zfar</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>bool&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>perspective</em> = true</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"><code> [inline]</code></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+ctor.
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00061">61</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+References <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, and <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>. </td>
+ </tr>
+</table>
+<hr><h2>Member Function Documentation</h2>
+<a name="a5" doxytag="NL3D::CFrustum::getValues"></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"> void NL3D::CFrustum::getValues </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>left</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>right</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>bottom</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>top</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>znear</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float &amp;&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>zfar</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Get the value of the frustum.
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00064">64</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="frustum_8h-source.html#l00051">Bottom</a>, <a class="el" href="frustum_8h-source.html#l00051">Far</a>, <a class="el" href="frustum_8h-source.html#l00051">Left</a>, <a class="el" href="frustum_8h-source.html#l00051">Near</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, <a class="el" href="frustum_8h-source.html#l00051">Right</a>, and <a class="el" href="frustum_8h-source.html#l00051">Top</a>. </td>
+ </tr>
+</table>
+<a name="a3" doxytag="NL3D::CFrustum::init"></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"> void NL3D::CFrustum::init </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>width</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>height</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>znear</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>zfar</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>bool&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>perspective</em> = true</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Init a centered frustum.
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00051">51</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="driver__opengl__extension__def_8h-source.html#l00709">height</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00709">width</a>. </td>
+ </tr>
+</table>
+<a name="a2" doxytag="NL3D::CFrustum::init"></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"> void NL3D::CFrustum::init </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>left</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>right</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>bottom</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>top</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>znear</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>zfar</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>bool&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>perspective</em> = true</td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Init a frustum.
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00039">39</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="frustum_8h-source.html#l00051">Bottom</a>, <a class="el" href="frustum_8h-source.html#l00051">Far</a>, <a class="el" href="frustum_8h-source.html#l00051">Left</a>, <a class="el" href="frustum_8h-source.html#l00051">Near</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, <a class="el" href="frustum_8h-source.html#l00052">Perspective</a>, <a class="el" href="frustum_8h-source.html#l00051">Right</a>, and <a class="el" href="frustum_8h-source.html#l00051">Top</a>.
+<p>
+Referenced by <a class="el" href="frustum_8h-source.html#l00061">CFrustum</a>, <a class="el" href="frustum_8cpp-source.html#l00051">init</a>, and <a class="el" href="frustum_8cpp-source.html#l00056">initPerspective</a>. </td>
+ </tr>
+</table>
+<a name="a4" doxytag="NL3D::CFrustum::initPerspective"></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"> void NL3D::CFrustum::initPerspective </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>fov</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>aspectRatio</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>znear</em>, </td>
+ </tr>
+ <tr>
+ <td></td>
+ <td></td>
+ <td class="md" nowrap>float&nbsp;</td>
+ <td class="mdname" nowrap>&nbsp; <em>zfar</em></td>
+ </tr>
+ <tr>
+ <td></td>
+ <td class="md">)&nbsp;</td>
+ <td class="md" colspan="2"></td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+Setup a perspective frustum, giving a fov in radians.
+<p>
+<dl compact><dt><b>
+Parameters: </b><dd>
+<table border=0 cellspacing=2 cellpadding=0>
+<tr><td valign=top><em>fov</em>&nbsp;</td><td>
+the horizontal angle of view, in radians. (Pi/2 as example) </td></tr>
+<tr><td valign=top><em>aspectRatio</em>&nbsp;</td><td>
+the ratio horizontal/vertical (1.33 as example). </td></tr>
+<tr><td valign=top><em>znear</em>&nbsp;</td><td>
+the front clipping plane distance. </td></tr>
+<tr><td valign=top><em>zfar</em>&nbsp;</td><td>
+the back clipping plane distance. </td></tr>
+</table>
+</dl>
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00056">56</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00233">w</a>. </td>
+ </tr>
+</table>
+<a name="a6" doxytag="NL3D::CFrustum::project"></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"> CVector NL3D::CFrustum::project </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const CVector &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap>&nbsp; <em>vec</em> </td>
+ <td class="md" valign="top">)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+project a vector (x,y,z) onto frustum.
+<p>
+<dl compact><dt><b>
+Parameters: </b><dd>
+<table border=0 cellspacing=2 cellpadding=0>
+<tr><td valign=top><em>vec</em>&nbsp;</td><td>
+the point in 3D frustum space. Axis is <a class="el" href="namespaceNL3D.html">NL3D</a> axis: Xright, Yfront, Ztop. </td></tr>
+</table>
+</dl><dl compact><dt><b>
+Returns: </b><dd>
+the point in 2D: Xright, Ytop, Z=0. Screen is mapped to X:[0..1], Y: [0..1]. </dl>
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00077">77</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="frustum_8h-source.html#l00051">Bottom</a>, <a class="el" href="frustum_8h-source.html#l00051">Left</a>, <a class="el" href="frustum_8h-source.html#l00051">Near</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, <a class="el" href="frustum_8h-source.html#l00051">Right</a>, <a class="el" href="frustum_8h-source.html#l00051">Top</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00233">w</a>. </td>
+ </tr>
+</table>
+<a name="a7" doxytag="NL3D::CFrustum::unProject"></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"> CVector NL3D::CFrustum::unProject </td>
+ <td class="md" valign="top">(&nbsp;</td>
+ <td class="md" nowrap valign="top">const CVector &amp;&nbsp;</td>
+ <td class="mdname1" valign="top" nowrap>&nbsp; <em>vec</em> </td>
+ <td class="md" valign="top">)&nbsp;</td>
+ <td class="md" nowrap> const</td>
+ </tr>
+
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+unproject a point from screen to the frustum space.
+<p>
+<dl compact><dt><b>
+Parameters: </b><dd>
+<table border=0 cellspacing=2 cellpadding=0>
+<tr><td valign=top><em>vec</em>&nbsp;</td><td>
+the point on the screen, in Left hand axis (XRight, YTop, ZFront). Z must be in [0..1] and hyperbolic. </td></tr>
+</table>
+</dl><dl compact><dt><b>
+Returns: </b><dd>
+the point in the frustum space (<a class="el" href="namespaceNL3D.html">NL3D</a> right hand axis). </dl>
+<p>
+Definition at line <a class="el" href="frustum_8cpp-source.html#l00124">124</a> of file <a class="el" href="frustum_8cpp-source.html">frustum.cpp</a>.
+<p>
+References <a class="el" href="frustum_8h-source.html#l00051">Bottom</a>, <a class="el" href="frustum_8h-source.html#l00051">Far</a>, <a class="el" href="frustum_8h-source.html#l00051">Left</a>, <a class="el" href="frustum_8h-source.html#l00051">Near</a>, <a class="el" href="frustum_8h-source.html#l00032">NL3D_MEM_FRUSTRUM</a>, <a class="el" href="debug_8h-source.html#l00374">nlstop</a>, <a class="el" href="frustum_8h-source.html#l00051">Right</a>, <a class="el" href="frustum_8h-source.html#l00051">Top</a>, and <a class="el" href="driver__opengl__extension__def_8h-source.html#l00233">w</a>. </td>
+ </tr>
+</table>
+<hr><h2>Member Data Documentation</h2>
+<a name="m2" doxytag="NL3D::CFrustum::Bottom"></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"> float NL3D::CFrustum::Bottom
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8cpp-source.html#l00077">project</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<a name="m5" doxytag="NL3D::CFrustum::Far"></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"> float NL3D::CFrustum::Far
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<a name="m0" doxytag="NL3D::CFrustum::Left"></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"> float NL3D::CFrustum::Left
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8cpp-source.html#l00077">project</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<a name="m4" doxytag="NL3D::CFrustum::Near"></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"> float NL3D::CFrustum::Near
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8cpp-source.html#l00077">project</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<a name="m6" doxytag="NL3D::CFrustum::Perspective"></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"> bool NL3D::CFrustum::Perspective
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00052">52</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00039">init</a>. </td>
+ </tr>
+</table>
+<a name="m1" doxytag="NL3D::CFrustum::Right"></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"> float NL3D::CFrustum::Right
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8cpp-source.html#l00077">project</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<a name="m3" doxytag="NL3D::CFrustum::Top"></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"> float NL3D::CFrustum::Top
+ </table>
+ </td>
+ </tr>
+</table>
+<table cellspacing=5 cellpadding=0 border=0>
+ <tr>
+ <td>
+ &nbsp;
+ </td>
+ <td>
+
+<p>
+NB: znear and zfar must be &gt;0 (if perspective).
+<p>
+
+<p>
+Definition at line <a class="el" href="frustum_8h-source.html#l00051">51</a> of file <a class="el" href="frustum_8h-source.html">frustum.h</a>.
+<p>
+Referenced by <a class="el" href="frustum_8cpp-source.html#l00064">getValues</a>, <a class="el" href="frustum_8cpp-source.html#l00039">init</a>, <a class="el" href="frustum_8cpp-source.html#l00077">project</a>, and <a class="el" href="frustum_8cpp-source.html#l00124">unProject</a>. </td>
+ </tr>
+</table>
+<hr>The documentation for this class was generated from the following files:<ul>
+<li><a class="el" href="frustum_8h-source.html">frustum.h</a><li><a class="el" href="frustum_8cpp-source.html">frustum.cpp</a></ul>
+
+
+<!-- footer -->
+<BR><FONT Size=+5>&nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; &nbsp; </FONT>
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