/usr/include/simgear/scene/sky/dome.hxx is in libsimgear-dev 3.4.0-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | // dome.hxx -- model sky with an upside down "bowl"
//
// Written by Curtis Olson, started December 1997.
// SSG-ified by Curtis Olson, February 2000.
//
// Copyright (C) 1997-2000 Curtis L. Olson - http://www.flightgear.org/~curt
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Library General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#ifndef _SKYDOME_HXX
#define _SKYDOME_HXX
#ifndef __cplusplus
# error This library requires C++
#endif
#include <osg/ref_ptr>
#include <osg/Array>
#include <osg/MatrixTransform>
#include <simgear/structure/SGReferenced.hxx>
#include <simgear/math/SGMath.hxx>
namespace osg
{
class DrawElementsUShort;
}
namespace simgear {
class SGReaderWriterOptions;
}
class SGSkyDome : public SGReferenced {
osg::ref_ptr<osg::MatrixTransform> dome_transform;
double asl;
osg::ref_ptr<osg::Vec3Array> dome_vl;
osg::ref_ptr<osg::Vec3Array> dome_cl;
public:
// Constructor
SGSkyDome( void );
// Destructor
~SGSkyDome( void );
// initialize the sky object and connect it into our scene graph
// root
osg::Node *build( double hscale = 80000.0, double vscale = 80000.0, simgear::SGReaderWriterOptions *options = 0 );
// repaint the sky colors based on current value of sun_angle,
// sky, and fog colors. This updates the color arrays for
// ssgVtxTable.
// sun angle in degrees relative to verticle
// 0 degrees = high noon
// 90 degrees = sun rise/set
// 180 degrees = darkest midnight
bool repaint( const SGVec3f& sun_color, const SGVec3f& sky_color,
const SGVec3f& fog_color, double sun_angle, double vis );
// reposition the sky at the specified origin and orientation
// lon specifies a rotation about the Z axis
// lat specifies a rotation about the new Y axis
// spin specifies a rotation about the new Z axis (and orients the
// sunrise/set effects
bool reposition( const SGVec3f& p, double asl,
double lon, double lat, double spin );
private:
void makeDome(int rings, int bands, osg::DrawElementsUShort& elements);
};
#endif // _SKYDOME_HXX
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