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SGI Developer Toolbox 6.1
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SGI Developer Toolbox 6.1 - Disc 1.iso
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OpenGL
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Telescope.h
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C/C++ Source or Header
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1996-11-11
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3KB
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79 lines
/*
* (c) Copyright 1993, Silicon Graphics, Inc.
* ALL RIGHTS RESERVED
*
* Permission to use, copy, modify, and distribute this software for
* any purpose and without fee is hereby granted, provided that the above
* copyright notice appear in all copies and that both the copyright notice
* and this permission notice appear in supporting documentation, and that
* the name of Silicon Graphics, Inc. not be used in advertising
* or publicity pertaining to distribution of the software without specific,
* written prior permission.
*
* THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS"
* AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR
* FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON
* GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT,
* SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY
* KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION,
* LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF
* THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN
* ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE
* POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE.
*
* U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND
* Use, duplication, or disclosure by the Government is subject to
* restrictions set forth in FAR 52.227.19(c)(2) or subparagraph
* (c)(1)(ii) of the Rights in Technical Data and Computer Software
* clause at DFARS 252.227-7013 and/or in similar or successor
* clauses in the FAR or the DOD or NASA FAR Supplement.
* Unpublished-- rights reserved under the copyright laws of the
* United States. Contractor/manufacturer is Silicon Graphics,
* Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311.
*
* OpenGL(TM) is a trademark of Silicon Graphics, Inc.
*/
#ifndef TELESCOPE_H
#define TELESCOPE_H
class Telescope {
public:
Telescope(GLfloat x = 0, GLfloat y = 0);
~Telescope();
/* This draws the "outside" of the telescope - the fov and aspect are
* needed since it is drawn in eye coordinates */
void draw_setup(GLfloat fov, GLfloat aspect = 1.0, int perspective = 1);
void draw_fake();
void draw_body();
void draw_takedown();
/* This just draws the lens - usually it will be used to draw the lens
* into the stencil buffer */
void draw_lens();
/* How finally to divide things as we're drawing */
void set_divisions(int d);
int get_divisions();
/* This is the radius of the lens - the rest of the dimensions depend
* upon it */
void set_radius(GLfloat r);
GLfloat get_radius();
/* Positions are in eye coordinates and go from [0, 1] */
GLfloat xpos, ypos;
private:
int divisions;
GLfloat radius;
GLUquadricObj *disk;
GLUquadricObj *cylinder;
};
#endif