openscenegraph
Projection
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1/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
2 *
3 * This library is open source and may be redistributed and/or modified under
4 * the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
5 * (at your option) any later version. The full license is in LICENSE file
6 * included with this distribution, and on the openscenegraph.org website.
7 *
8 * This library is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * OpenSceneGraph Public License for more details.
12*/
13
14#ifndef OSG_PROJECTION
15#define OSG_PROJECTION 1
16
17#include <osg/Group>
18#include <osg/Matrix>
19
20namespace osg {
21
22/** Projection nodes set up the frustum/orthographic projection used when rendering the scene.
23*/
24class OSG_EXPORT Projection : public Group
25{
26 public :
27
28
29 Projection();
30
31 /** Copy constructor using CopyOp to manage deep vs shallow copy.*/
32 Projection(const Projection&,const CopyOp& copyop=CopyOp::SHALLOW_COPY);
33
34 Projection(const Matrix& matix);
35
36 META_Node(osg, Projection);
37
38 /** Set the transform's matrix.*/
39 void setMatrix(const Matrix& mat) { _matrix = mat; }
40
41 /** Get the transform's matrix. */
42 inline const Matrix& getMatrix() const { return _matrix; }
43
44 /** preMult transform.*/
45 void preMult(const Matrix& mat) { _matrix.preMult(mat); }
46
47 /** postMult transform.*/
48 void postMult(const Matrix& mat) { _matrix.postMult(mat); }
49
50
51 protected :
52
53 virtual ~Projection();
54
55 Matrix _matrix;
56
57};
58
59}
60
61#endif