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Diffstat (limited to 'progs/redbook/torus.c')
-rw-r--r-- | progs/redbook/torus.c | 152 |
1 files changed, 0 insertions, 152 deletions
diff --git a/progs/redbook/torus.c b/progs/redbook/torus.c deleted file mode 100644 index a67d48e0f59..00000000000 --- a/progs/redbook/torus.c +++ /dev/null @@ -1,152 +0,0 @@ -/* - * Copyright (c) 1993-1997, 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 - * Unpublished-- rights reserved under the copyright laws of the - * United States.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(R) is a registered trademark of Silicon Graphics, Inc. - */ - -/* - * torus.c - * This program demonstrates the creation of a display list. - */ - -#include <GL/glut.h> -#include <stdio.h> -#include <math.h> -#include <stdlib.h> - -/* Some <math.h> files do not define M_PI... */ -#ifndef M_PI -#define M_PI 3.14159265358979323846 -#endif - -GLuint theTorus; - -/* Draw a torus */ -static void torus(int numc, int numt) -{ - int i, j, k; - double s, t, x, y, z, twopi; - - twopi = 2 * (double)M_PI; - for (i = 0; i < numc; i++) { - glBegin(GL_QUAD_STRIP); - for (j = 0; j <= numt; j++) { - for (k = 1; k >= 0; k--) { - s = (i + k) % numc + 0.5; - t = j % numt; - - x = (1+.1*cos(s*twopi/numc))*cos(t*twopi/numt); - y = (1+.1*cos(s*twopi/numc))*sin(t*twopi/numt); - z = .1 * sin(s * twopi / numc); - glVertex3f(x, y, z); - } - } - glEnd(); - } -} - -/* Create display list with Torus and initialize state */ -static void init(void) -{ - theTorus = glGenLists (1); - glNewList(theTorus, GL_COMPILE); - torus(8, 25); - glEndList(); - - glShadeModel(GL_FLAT); - glClearColor(0.0, 0.0, 0.0, 0.0); -} - -/* Clear window and draw torus */ -static void display(void) -{ - glClear(GL_COLOR_BUFFER_BIT); - glColor3f (1.0, 1.0, 1.0); - glCallList(theTorus); - glFlush(); -} - -/* Handle window resize */ -static void reshape(int w, int h) -{ - glViewport(0, 0, (GLsizei) w, (GLsizei) h); - glMatrixMode(GL_PROJECTION); - glLoadIdentity(); - gluPerspective(30, (GLfloat) w/(GLfloat) h, 1.0, 100.0); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0); -} - -/* Rotate about x-axis when "x" typed; rotate about y-axis - when "y" typed; "i" returns torus to original view */ -/* ARGSUSED1 */ -static void keyboard(unsigned char key, int x, int y) -{ - switch (key) { - case 'x': - case 'X': - glRotatef(30.,1.0,0.0,0.0); - glutPostRedisplay(); - break; - case 'y': - case 'Y': - glRotatef(30.,0.0,1.0,0.0); - glutPostRedisplay(); - break; - case 'i': - case 'I': - glLoadIdentity(); - gluLookAt(0, 0, 10, 0, 0, 0, 0, 1, 0); - glutPostRedisplay(); - break; - case 27: - exit(0); - break; - } -} - -int main(int argc, char **argv) -{ - glutInitWindowSize(200, 200); - glutInit(&argc, argv); - glutInitDisplayMode(GLUT_SINGLE | GLUT_RGB); - glutCreateWindow(argv[0]); - init(); - glutReshapeFunc(reshape); - glutKeyboardFunc(keyboard); - glutDisplayFunc(display); - glutMainLoop(); - return 0; -} |