cube.c revision 32001f49
1/* 2 * Copyright (c) 1993-1997, Silicon Graphics, Inc. 3 * ALL RIGHTS RESERVED 4 * Permission to use, copy, modify, and distribute this software for 5 * any purpose and without fee is hereby granted, provided that the above 6 * copyright notice appear in all copies and that both the copyright notice 7 * and this permission notice appear in supporting documentation, and that 8 * the name of Silicon Graphics, Inc. not be used in advertising 9 * or publicity pertaining to distribution of the software without specific, 10 * written prior permission. 11 * 12 * THE MATERIAL EMBODIED ON THIS SOFTWARE IS PROVIDED TO YOU "AS-IS" 13 * AND WITHOUT WARRANTY OF ANY KIND, EXPRESS, IMPLIED OR OTHERWISE, 14 * INCLUDING WITHOUT LIMITATION, ANY WARRANTY OF MERCHANTABILITY OR 15 * FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL SILICON 16 * GRAPHICS, INC. BE LIABLE TO YOU OR ANYONE ELSE FOR ANY DIRECT, 17 * SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY 18 * KIND, OR ANY DAMAGES WHATSOEVER, INCLUDING WITHOUT LIMITATION, 19 * LOSS OF PROFIT, LOSS OF USE, SAVINGS OR REVENUE, OR THE CLAIMS OF 20 * THIRD PARTIES, WHETHER OR NOT SILICON GRAPHICS, INC. HAS BEEN 21 * ADVISED OF THE POSSIBILITY OF SUCH LOSS, HOWEVER CAUSED AND ON 22 * ANY THEORY OF LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE 23 * POSSESSION, USE OR PERFORMANCE OF THIS SOFTWARE. 24 * 25 * US Government Users Restricted Rights 26 * Use, duplication, or disclosure by the Government is subject to 27 * restrictions set forth in FAR 52.227.19(c)(2) or subparagraph 28 * (c)(1)(ii) of the Rights in Technical Data and Computer Software 29 * clause at DFARS 252.227-7013 and/or in similar or successor 30 * clauses in the FAR or the DOD or NASA FAR Supplement. 31 * Unpublished-- rights reserved under the copyright laws of the 32 * United States. Contractor/manufacturer is Silicon Graphics, 33 * Inc., 2011 N. Shoreline Blvd., Mountain View, CA 94039-7311. 34 * 35 * OpenGL(R) is a registered trademark of Silicon Graphics, Inc. 36 */ 37 38/* 39 * cube.c 40 * This program demonstrates a single modeling transformation, 41 * glScalef() and a single viewing transformation, gluLookAt(). 42 * A wireframe cube is rendered. 43 */ 44#include "glut_wrap.h" 45#include <stdlib.h> 46 47static void init(void) 48{ 49 glClearColor (0.0, 0.0, 0.0, 0.0); 50 glShadeModel (GL_FLAT); 51} 52 53static void display(void) 54{ 55 glClear (GL_COLOR_BUFFER_BIT); 56 glColor3f (1.0, 1.0, 1.0); 57 glLoadIdentity (); /* clear the matrix */ 58 /* viewing transformation */ 59 gluLookAt (0.0, 0.0, 5.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); 60 glScalef (1.0, 2.0, 1.0); /* modeling transformation */ 61 glutWireCube (1.0); 62 glFlush (); 63} 64 65static void reshape (int w, int h) 66{ 67 glViewport (0, 0, (GLsizei) w, (GLsizei) h); 68 glMatrixMode (GL_PROJECTION); 69 glLoadIdentity (); 70 glFrustum (-1.0, 1.0, -1.0, 1.0, 1.5, 20.0); 71 glMatrixMode (GL_MODELVIEW); 72} 73 74/* ARGSUSED1 */ 75static void keyboard(unsigned char key, int x, int y) 76{ 77 switch (key) { 78 case 27: 79 exit(0); 80 break; 81 } 82} 83 84int main(int argc, char** argv) 85{ 86 glutInit(&argc, argv); 87 glutInitDisplayMode (GLUT_SINGLE | GLUT_RGB); 88 glutInitWindowSize (500, 500); 89 glutInitWindowPosition (100, 100); 90 glutCreateWindow (argv[0]); 91 init (); 92 glutDisplayFunc(display); 93 glutReshapeFunc(reshape); 94 glutKeyboardFunc(keyboard); 95 glutMainLoop(); 96 return 0; 97} 98