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view-precompile-perspective.cc
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1 /*
2  * lib-controler : Un contrôleur générique de scène 3D.
3  * Copyright (C) 2004, Moka Team, Université de Poitiers, Laboratoire SIC
4  * http://www.sic.sp2mi.univ-poitiers.fr/
5  * Copyright (C) 2009, Guillaume Damiand, CNRS, LIRIS,
6  * guillaume.damiand@liris.cnrs.fr, http://liris.cnrs.fr/
7  *
8  * This file is part of lib-controler
9  *
10  * This program is free software: you can redistribute it and/or modify
11  * it under the terms of the GNU Lesser General Public License as published by
12  * the Free Software Foundation, either version 3 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU Lesser General Public License for more details.
19  *
20  * You should have received a copy of the GNU Lesser General Public License
21  * along with this program. If not, see <http://www.gnu.org/licenses/>.
22  */
23 
24 //******************************************************************************
25 #include "view-precompile-perspective.hh"
26 #include "parameter-eye-position.hh"
27 #include "parameter-aimed-position.hh"
28 //******************************************************************************
29 CViewPrecompilePerspective::
30 CViewPrecompilePerspective(CParameterEyePosition * AParameterEyePosition,
31  CParameterAimedPosition * AParameterAimedPosition,
32  CParameterDrawing * AParameterDrawing) :
33  CViewPrecompile(AParameterEyePosition,
34  AParameterAimedPosition,
35  AParameterDrawing)
36 {}
37 //******************************************************************************
38 CViewPrecompilePerspective::~CViewPrecompilePerspective()
39 {}
40 //******************************************************************************
41 void CViewPrecompilePerspective::setScenePosition()
42 {
43  setScenePositionInitialize();
44 
45  float d = FParameterEyePosition->getDistance();
46 
47  float p0 = FParameterAimedPosition->getLookAt(0);
48  float p1 = FParameterAimedPosition->getLookAt(1);
49  float p2 = FParameterAimedPosition->getLookAt(2);
50 
51  float alpha = FParameterEyePosition->getRotationAlpha();
52  float b = FParameterEyePosition->getRotationBeta ();
53 
54  gluPerspective(45 /* angle*/, FRatio, 0.1 /*0.01*/, 2000);
55  gluLookAt(0,-d,0, 0,0,0, 0,0,1);
56 
57  glRotatef(-b, 1, 0, 0);
58  glRotatef(-alpha, 0, 0, 1);
59 
60  glTranslatef(-p0,-p1,-p2);
61 
62  setScenePositionFinalize();
63 }
64 //******************************************************************************