panda/src/mathutil/frustum_src.h Source File

00001 // Filename: frustum_src.h
00002 // Created by:  mike (09Jan97)
00003 //
00004 ////////////////////////////////////////////////////////////////////
00005 //
00006 // PANDA 3D SOFTWARE
00007 // Copyright (c) 2001, Disney Enterprises, Inc.  All rights reserved
00008 //
00009 // All use of this software is subject to the terms of the Panda 3d
00010 // Software license.  You should have received a copy of this license
00011 // along with this source code; you will also find a current copy of
00012 // the license at http://www.panda3d.org/license.txt .
00013 //
00014 // To contact the maintainers of this program write to
00015 // panda3d@yahoogroups.com .
00016 //
00017 ////////////////////////////////////////////////////////////////////
00018 
00019 ////////////////////////////////////////////////////////////////////
00020 //       Class : Frustum
00021 // Description :
00022 ////////////////////////////////////////////////////////////////////
00023 class EXPCL_PANDA FLOATNAME(Frustum) {
00024 PUBLISHED:
00025   INLINE_MATHUTIL FLOATNAME(Frustum)();
00026 
00027   INLINE_MATHUTIL void make_ortho_2D(void);
00028   INLINE_MATHUTIL void make_ortho_2D(FLOATTYPE l, FLOATTYPE r, FLOATTYPE t, FLOATTYPE b);
00029 
00030   INLINE_MATHUTIL void make_ortho(FLOATTYPE fnear, FLOATTYPE ffar);
00031   INLINE_MATHUTIL void make_ortho(FLOATTYPE fnear, FLOATTYPE ffar,
00032                          FLOATTYPE l, FLOATTYPE r, FLOATTYPE t, FLOATTYPE b);
00033 
00034   INLINE_MATHUTIL void make_perspective_hfov(FLOATTYPE xfov, FLOATTYPE aspect,
00035                                     FLOATTYPE fnear, FLOATTYPE ffar);
00036   INLINE_MATHUTIL void make_perspective_vfov(FLOATTYPE yfov, FLOATTYPE aspect,
00037                                     FLOATTYPE fnear, FLOATTYPE ffar);
00038   INLINE_MATHUTIL void make_perspective(FLOATTYPE xfov, FLOATTYPE yfov, FLOATTYPE fnear,
00039                                FLOATTYPE ffar);
00040   INLINE_MATHUTIL void get_perspective_params(FLOATTYPE &yfov, FLOATTYPE &aspect,
00041                                      FLOATTYPE &fnear, FLOATTYPE &ffar) const;
00042   INLINE_MATHUTIL void get_perspective_params(FLOATTYPE &xfov, FLOATTYPE &yfov,
00043                                      FLOATTYPE &aspect, FLOATTYPE &fnear,
00044                                      FLOATTYPE &ffar) const;
00045 
00046 public:
00047   INLINE_MATHUTIL FLOATNAME(LMatrix4)
00048   get_perspective_projection_mat(CoordinateSystem cs = CS_default) const;
00049 
00050   INLINE_MATHUTIL FLOATNAME(LMatrix4)
00051   get_ortho_projection_mat(CoordinateSystem cs = CS_default) const;
00052 
00053 public:
00054   FLOATTYPE _l, _r, _b, _t;
00055   FLOATTYPE _fnear, _ffar;
00056 };
00057 
00058 #include "frustum_src.I"