<!-- clanlib header begin --> <HTML> <HEAD> <TITLE>CL_Viewpoint::enter_local - ClanLib Game SDK</TITLE> <STYLE TYPE="text/css"><!-- HTML BODY { font-family: verdana, helvetica, sans-serif; font-size: 12px; } H1 { font-size: 22px; } H2 { font-size: 18px; } H3 { font-size: 16px; } H4 { font-size: 14px; } P { font-size: 12px; } LI { font-size: 12px; } --></STYLE> </HEAD> <body bgcolor=white text=black link=blue vlink=#800080> <center> <img src="http://clanlib.org/gfx/clanlib.png"> </center> <!-- clanlib header end --> <center> <p> <a href="http://clanlib.org/docs.html">Home</a> | <a href="classes.html">All Classes</a> | <a href="modules.html">Grouped Classes</a> | <a href="index.html">Index</a> | <a href="search.html">Search</a> </p> </center> <h1>CL_Viewpoint::enter_local</h1> <p> Setup OpenGL model view matrix to use local viewpoint coordinates.</p> <pre> void enter_local(); </pre> <p><b>Detailed description:</b></p> <p>Calling this function causes CL_Viewpoint to do the following:</p> <ul> <li>glMatrixMode(GL_MODELVIEW)</li> <li>glPushMatrix()</li> <li>glMultMatrix(world2local_transform)</li> </ul> <p>world2local_transform is a coordinate switch matrix, that convert local coordinates for a model to be positioned in the world at the viewpoint's position and viewing direction.</p> <p>It is required that leave_local() is to be called, when the local coordinate space model view is no longer needed.</p> <p><b>See also:</b></p> <p><a href="CL_Viewpoint.html">CL_Viewpoint</a></p> <!-- clanlib footer begin --> <center><br><br><font color="#a0a0a0"> Questions or comments, write to the <a href="http://clanlib.org/contact.html">ClanLib mailing list</a>. </font></center> </body> </html> <!-- clanlib footer end -->