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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>vtlib library: vtHUD Class Reference</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.5 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li id="current"><a href="annotated.html"><span>Classes</span></a></li> <li><a href="dirs.html"><span>Directories</span></a></li> </ul></div><div class="tabs"> <ul> <li><a href="annotated.html"><span>Class List</span></a></li> <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> <li><a href="functions.html"><span>Class Members</span></a></li> </ul></div><h1>vtHUD Class Reference<br><small>[<a class="el" href="group__sg.html">Scene Graph</a>]</small></h1><!-- doxytag: class="vtHUD" --><!-- doxytag: inherits="vtGroup" -->Inheritance diagram for vtHUD:<p><center><img src="classvtHUD__inherit__graph.png" border="0" usemap="#vtHUD__inherit__map" alt="Inheritance graph"></center><map name="vtHUD__inherit__map"><area href="classvtGroup.html" shape="rect" coords="71,231,140,258" alt=""><area href="classvtNode.html" shape="rect" coords="22,156,86,183" alt=""><area href="classvtNodeBase.html" shape="rect" coords="7,82,100,108" alt=""><area href="classvtTarget.html" shape="rect" coords="19,7,88,34" alt=""><area href="classvtGroupBase.html" shape="rect" coords="110,156,208,183" alt=""></map><center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center><a href="classvtHUD-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>A HUD ("heads-up display") is a group whose whose children are transformed to be drawn in window coordinates, rather than world coordinates. <p><table border="0" cellpadding="0" cellspacing="0"><tr><td></td></tr><tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtHUD.html#f700499f8fe51233e7240185c543b12c">vtHUD</a> (bool bPixelCoords=true)</td></tr><tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classvtHUD.html#c47952fcdc74de6e2d4a93c467232087">Release</a> ()</td></tr></table><hr><h2>Constructor & Destructor Documentation</h2><a class="anchor" name="f700499f8fe51233e7240185c543b12c"></a><!-- doxytag: member="vtHUD::vtHUD" ref="f700499f8fe51233e7240185c543b12c" args="(bool bPixelCoords=true)" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">vtHUD::vtHUD </td> <td class="md" valign="top">( </td> <td class="md" nowrap valign="top">bool </td> <td class="mdname1" valign="top" nowrap> <em>bPixelCoords</em> = <code>true</code> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Create a HUD node. A HUD ("heads-up display") is a group whose whose children are transformed to be drawn in window coordinates, rather than world coordinates.<p>You should only ever create one HUD node in your scenegraph.<p><dl compact><dt><b>Parameters:</b></dt><dd> <table border="0" cellspacing="2" cellpadding="0"> <tr><td valign="top"></td><td valign="top"><em>bPixelCoords</em> </td><td>If true, the child transforms should be interpreted as pixel coordinates, from (0,0) in the lower-left of the viewpoint. Otherwise, they are considered in normalized window coordinates, from (0,0) in the lower-left to (1,1) in the upper right. </td></tr> </table></dl> </td> </tr></table><hr><h2>Member Function Documentation</h2><a class="anchor" name="c47952fcdc74de6e2d4a93c467232087"></a><!-- doxytag: member="vtHUD::Release" ref="c47952fcdc74de6e2d4a93c467232087" args="()" --><p><table class="mdTable" cellpadding="2" cellspacing="0"> <tr> <td class="mdRow"> <table cellpadding="0" cellspacing="0" border="0"> <tr> <td class="md" nowrap valign="top">void vtHUD::Release </td> <td class="md" valign="top">( </td> <td class="mdname1" valign="top" nowrap> </td> <td class="md" valign="top"> ) </td> <td class="md" nowrap><code> [virtual]</code></td> </tr> </table> </td> </tr></table><table cellspacing="5" cellpadding="0" border="0"> <tr> <td> </td> <td><p>Releases a node. Use this method instead of C++'s delete operator when you are done with a node. Internally, the node is reference counted so it is not deleted until all references to it are removed. <p>Reimplemented from <a class="el" href="classvtGroup.html#c47952fcdc74de6e2d4a93c467232087">vtGroup</a>. </td> </tr></table><hr size="1"><address style="align: right;"><small>Generated on Mon Jan 14 14:41:01 2008 for vtlib library by <a href="http://www.doxygen.org/index.html"><img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.4.5 </small></address></body></html>⌨️ 快捷键说明
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