1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
|
<!doctype html public "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd">
<HTML>
<HEAD>
<TITLE>nevrax.org : docs</TITLE>
<LINK REL=stylesheet TYPE="text/css" HREF="/inc/css/nevrax.css">
<link href="doxygen.css" rel="stylesheet" type="text/css">
</HEAD>
<BODY MARGINHEIGHT="0" MARGINWIDTH="0">
<!-- uplinks -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF='/'><b>Home</B></FONT></A> </TD>
<TD><IMG width=6 height=14 SRC="/inc/img/reddots.gif" ALT="#" VSPACE=2 HSPACE=2 BORDER=0 ></TD><TD VALIGN=middle> <A CLASS=uplinks HREF=><b>nevrax.com</B></FONT></A> </TD>
</TR>
</TABLE>
<!-- banner Nevrax -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 WIDTH=100%>
<TR><TD BGCOLOR="#000000" BACKGROUND="/inc/img/black_banner.jpg"><A HREF=""><IMG SRC="/inc/img/nevrax.gif" WIDTH="170" HEIGHT="45" BORDER=0 ALT="Nevrax" ></A></TD></TR>
</TABLE>
<!-- main table -->
<TABLE CELLSPACING=0 CELLPADDING=0 BORDER=0 height=100%>
<TR>
<TD WIDTH=16><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="10" BORDER=0 ALT=""></TD>
<TD WIDTH=140 BGCOLOR=#dddddd VALIGN=TOP ALIGN=middle><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!------ Begin Box ------>
<TABLE BORDER=0 CELLSPACING=0 CELLPADDING=0 BGCOLOR=black><TR><TD><TABLE border=0 cellspacing=2 cellpadding=0 width=120><tr><TD ALIGN=middle bgcolor=black>
<FONT COLOR=white FACE="sans-serif"><B>Nevrax.org</B></FONT></TD></TR><tr><td colspan=2 bgcolor=#FFFFFF>
<TABLE cellspacing=0 cellpadding=1 border=0>
<tr><td ALIGN=middle><a class='linkbox' href="/news/" TITLE="Rubrique news"><img width=13 height=15 hspace=5 border=0 src=/inc/img/picto-news.gif ALT=#></A></td><td><a class='linkbox' href="/news/" TITLE="News">News</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/mail/" TITLE="Rubrique mail"><img width=15 height=11 hspace=5 border=0 src=/inc/img/picto-mail.gif ALT=#></A></td><td><a class='linkbox' href="/mail/" TITLE="Mailing list archive">Mailing-list</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/docs/" TITLE="Rubrique docs"><img width=14 height=16 hspace=5 border=0 src=/inc/img/picto-docs.gif ALT=#></A></td><td><a class='linkbox' href="/docs/" TITLE="Documentation">Documentation</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/cvs/" TITLE="Rubrique cvs"><img width=13 height=17 hspace=5 border=0 src=/inc/img/picto-cvs.gif ALT=#></A></td><td><a class='linkbox' href="/cvs/" TITLE="CVS Web">CVS</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/bugs/" TITLE="Rubrique bugs"><img width=20 height=16 hspace=5 border=0 src=/inc/img/picto-bugs.gif ALT=#></A></td><td><a class='linkbox' href="/bugs/" TITLE="Bugtracking">Bugs</a></td></tr>
<tr><td ALIGN=middle><a class='linkbox' href="/GPL.php3" TITLE="Rubrique license"><img width=18 height=12 hspace=5 border=0 src=/inc/img/picto-gpl.gif ALT=#></A></td><td><a class='linkbox' href="/GPL.php3" TITLE="License">License</a></td></tr>
</TABLE>
</TD></TR></TABLE></TD></TR></TABLE>
<!------ End Box ------>
</TD>
<TD WIDTH=15><IMG SRC="/inc/img/pixel.gif" WIDTH="16" HEIGHT="16" BORDER=0 ALT=""></TD>
<TD ALIGN=left valign=top><IMG SRC="/inc/img/pixel.gif" WIDTH="140" HEIGHT="10" BORDER=0 ALT="">
<!-- title -->
<TABLE background="/inc/img/redline.gif" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td>
<A HREF="/docs/"><img src="/inc/img/t_docs.gif" ALT="Docs" HEIGHT=20 BORDER=0></A>
</td><td><IMG SRC="/inc/img/pixel.gif" WIDTH="1" HEIGHT="1" BORDER=0 ALT="">
</td></tr></table>
<!-- block -->
<TABLE bgcolor="#dddddd" CELLSPACING=0 CELLPADDING=0 BORDER=0 width=100%><tr><td width=1% valign=middle><img width=6 height=14 hspace=2 vspace=2 src="/inc/img/reddots.gif"></TD>
<TD><B>Documentation</B></TD>
<TD ALIGN=RIGHT> </td>
</tr></table>
<!-- Generated by Doxygen 1.2.2 on Wed May 30 22:01:07 2001 -->
<center>
<a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="namespaces.html">Namespace List</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="namespacemembers.html">Namespace Members</a> <a class="qindex" href="functions.html">Compound Members</a> <a class="qindex" href="globals.html">File Members</a> <a class="qindex" href="pages.html">Related Pages</a> <a class="qindexRef" doxygen="_cgi:/cgi-bin/nel-search.cgi" href="/cgi-bin/nel-search.cgi">Search</a> </center>
<hr><h1>driver_opengl_matrix.cpp</h1><a href="driver_opengl_matrix_cpp.html">Go to the documentation of this file.</a><div class="fragment"><pre>00001
00007 <font class="comment">/* Copyright, 2000 Nevrax Ltd.
</font>00008 <font class="comment"> *
</font>00009 <font class="comment"> * This file is part of NEVRAX NEL.
</font>00010 <font class="comment"> * NEVRAX NEL is free software; you can redistribute it and/or modify
</font>00011 <font class="comment"> * it under the terms of the GNU General Public License as published by
</font>00012 <font class="comment"> * the Free Software Foundation; either version 2, or (at your option)
</font>00013 <font class="comment"> * any later version.
</font>00014 <font class="comment">
</font>00015 <font class="comment"> * NEVRAX NEL is distributed in the hope that it will be useful, but
</font>00016 <font class="comment"> * WITHOUT ANY WARRANTY; without even the implied warranty of
</font>00017 <font class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
</font>00018 <font class="comment"> * General Public License for more details.
</font>00019 <font class="comment">
</font>00020 <font class="comment"> * You should have received a copy of the GNU General Public License
</font>00021 <font class="comment"> * along with NEVRAX NEL; see the file COPYING. If not, write to the
</font>00022 <font class="comment"> * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
</font>00023 <font class="comment"> * MA 02111-1307, USA.
</font>00024 <font class="comment"> */</font>
00025
00026 <font class="preprocessor">#include "<a class="code" href="driver_opengl_h.html">driver_opengl.h</a>"</font>
00027
00028 <font class="keyword">namespace</font> NL3D {
00029
<a name="l00030"></a><a class="code" href="class_NL3D__CDriverGL.html#a15">00030</a> <font class="keywordtype">void</font> CDriverGL::setFrustum(<font class="keywordtype">float</font> left, <font class="keywordtype">float</font> right, <font class="keywordtype">float</font> bottom, <font class="keywordtype">float</font> top, <font class="keywordtype">float</font> znear, <font class="keywordtype">float</font> zfar, <font class="keywordtype">bool</font> perspective)<font class="keyword">
</font>00031 <font class="keyword"></font>{
00032 glMatrixMode(GL_PROJECTION);
00033 glLoadIdentity();
00034 <font class="keywordflow">if</font> (perspective)
00035 {
00036 glFrustum(left,right,bottom,top,znear,zfar);
00037 }
00038 <font class="keywordflow">else</font>
00039 {
00040 glOrtho(left,right,bottom,top,znear,zfar);
00041 }
00042 glMatrixMode(GL_MODELVIEW);
00043 }
00044
00045 <font class="comment">// --------------------------------------------------</font>
00046
<a name="l00047"></a><a class="code" href="class_NL3D__CDriverGL.html#a16">00047</a> <font class="keywordtype">void</font> CDriverGL::setupViewMatrix(<font class="keyword">const</font> CMatrix& mtx)<font class="keyword">
</font>00048 <font class="keyword"></font>{
00049 <font class="comment">// Setup the matrix to transform the CScene basis in openGL basis.</font>
00050 CMatrix changeBasis;
00051 CVector I(1,0,0);
00052 CVector J(0,0,-1);
00053 CVector K(0,1,0);
00054
00055 changeBasis.identity();
00056 changeBasis.setRot(I,J,K, <font class="keyword">true</font>);
00057 <font class="comment">// Optimize it...</font>
00058 changeBasis*= mtx;
00059 _ViewMtx=changeBasis;
00060
00061 _MatrixSetupDirty= <font class="keyword">true</font>;
00062 _ViewMatrixSetupDirty= <font class="keyword">true</font>;
00063 }
00064
<a name="l00065"></a><a class="code" href="class_NL3D__CDriverGL.html#a18">00065</a> CMatrix CDriverGL::getViewMatrix(<font class="keywordtype">void</font>)<font class="keyword"> const
</font>00066 <font class="keyword"></font>{
00067 <font class="comment">// Setup the matrix to transform the CScene basis in openGL basis.</font>
00068 CMatrix changeBasis;
00069 CVector I(1,0,0);
00070 CVector J(0,0,1);
00071 CVector K(0,-1,0);
00072
00073 changeBasis.identity();
00074 changeBasis.setRot(I,J,K, <font class="keyword">true</font>);
00075 <font class="keywordflow">return</font>(changeBasis*_ViewMtx);
00076 }
00077
<a name="l00078"></a><a class="code" href="class_NL3D__CDriverGL.html#a17">00078</a> <font class="keywordtype">void</font> CDriverGL::setupModelMatrix(<font class="keyword">const</font> CMatrix& mtx, uint8 n)<font class="keyword">
</font>00079 <font class="keyword"></font>{
00080 <font class="comment">// Check args</font>
00081 <a class="code" href="debug_h.html#a6">nlassert</a> (n<IDriver::MaxModelMatrix);
00082
00083
00084 <font class="comment">// Dirt flags.</font>
00085 _MatrixSetupDirty= <font class="keyword">true</font>;
00086 <font class="comment">// because we don't know for which (skin/normal/paletteSkin) mode this will be used, we must set the 2 flags.</font>
00087 _ModelViewMatrixDirty.set(n);
00088 _ModelViewMatrixDirtyPaletteSkin.set(n);
00089
00090
00091 <font class="comment">// Put the matrix in the opengl world, and store it.</font>
00092 _ModelViewMatrix[n]= _ViewMtx*mtx;
00093 }
00094
00095
00096
00097 <font class="comment">// ***************************************************************************</font>
<a name="l00098"></a><a class="code" href="class_NL3D__CDriverGL__CMatrix3x4.html#a0">00098</a> <font class="keywordtype">void</font> CDriverGL::CMatrix3x4::set(<font class="keyword">const</font> CMatrix &mat)<font class="keyword">
</font>00099 <font class="keyword"></font>{
00100 <font class="keyword">const</font> <font class="keywordtype">float</font> *m =mat.get();
00101 a11= m[0]; a12= m[4]; a13= m[8] ; a14= m[12];
00102 a21= m[1]; a22= m[5]; a23= m[9] ; a24= m[13];
00103 a31= m[2]; a32= m[6]; a33= m[10]; a34= m[14];
00104 }
00105
00106
00107 } <font class="comment">// NL3D</font>
</div></pre>
<!-- footer -->
<BR><FONT Size=+5> </FONT>
</TD>
<TD WIDTH=15><IMG SRC=/inc/img/pixel.gif WIDTH=15 HEIGHT=15 BORDER=0 ALT=""></TD>
</TR>
</TABLE>
</BODY>
</HTML>
|
