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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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toolbox
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src
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demos
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OpenGL
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insect
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insect.h
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C/C++ Source or Header
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1996-11-11
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4KB
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110 lines
/*
* (c) Copyright 1993, 1994, 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.
*
* US Government Users Restricted Rights
* 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* Unpublished-- rights reserved under the copyright laws of the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.
*/
#define HALFTONE 1
#define PI 3.1415926536
/* resolution of movement */
#define RES 30
/* stuff for making body */
#define SIN30 (0.5)
#define COS30 (0.866025404)
#define SIN60 (0.866025404)
#define COS60 (0.5)
#define SIN15 (0.258819045)
#define COS15 (0.965925826)
#define COS45 (0.707106781)
#define SIN45 (0.707106781)
#define A2 0.088388348 /* (1.0/ (8.0 * sqrt(2.0))) */
#define R2 0.125 /* (sqrt(2 * A2 * A2)) */
#define A1 0.411611652 /* (0.5 - A2) */
#define R1 0.420994836 /* (sqrt(A1 * A1 + A2 * A2)) */
#define REACH 1.6
/* Eclipse 8 bit color stuff */
#define ECLIPSE8_GRID 2
#define ECLIPSE8_GRAY 1
#define ECLIPSE8_NCOLORS 10
#define ECLIPSE8_SKYBLUE 3
extern GLuint screen,viewit,shadow,body,hip[6],thigh[6],shin[6],kneeball[6];
extern GLuint body_shadow,hip_shadow,thigh_shadow,shin_shadow,kneeball_shadow;
extern GLfloat degrees (float a);
extern float dot (float vec1[3], float vec2[3]);
extern float integer (float x);
extern float frac (float x);
extern float fabso (float x);
extern void getpolycolor (int p, float pts[][3]);
extern void getlightvector (void);
extern void createobjects (void);
extern float phi,theta;
extern float cx,cy,cz;
extern GLfloat ctheta,cphi;
extern GLfloat b1[4][3];
extern GLfloat b2[4][3];
extern GLfloat b3[4][3];
extern GLfloat b4[4][3];
extern GLfloat b5[4][3];
extern GLfloat b6[4][3];
extern GLfloat h1[4][3];
extern GLfloat h2[4][3];
extern GLfloat h3[3][3];
extern GLfloat t1[4][3];
extern GLfloat t2[3][3];
extern GLfloat t3[3][3];
extern GLfloat t4[3][3];
extern GLfloat t5[3][3];
extern GLfloat t6[3][3];
extern GLfloat t7[3][3];
extern GLfloat t8[4][3];
extern GLfloat s1[4][3];
extern GLfloat s2[4][3];
extern GLfloat s3[4][3];
extern GLfloat s4[4][3];
extern GLfloat s5[4][3];
extern GLfloat k1[4][3];
extern void doViewit (void);
extern void rotate60 (char c, int n, GLfloat a[][3]);
extern void gl_IdentifyMatrix (GLfloat mat[16]);
extern GLboolean lit (int p, float pts[][3]);