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Diffstat (limited to 'dist/Mesa/progs/samples/olympic.c')
-rw-r--r-- | dist/Mesa/progs/samples/olympic.c | 389 |
1 files changed, 0 insertions, 389 deletions
diff --git a/dist/Mesa/progs/samples/olympic.c b/dist/Mesa/progs/samples/olympic.c deleted file mode 100644 index 209a8c141..000000000 --- a/dist/Mesa/progs/samples/olympic.c +++ /dev/null @@ -1,389 +0,0 @@ -/* - * Copyright (c) 1991, 1992, 1993 Silicon Graphics, Inc. - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that (i) the above copyright notices and this permission notice appear in - * all copies of the software and related documentation, and (ii) the name of - * Silicon Graphics may not be used in any advertising or - * publicity relating to the software without the specific, prior written - * permission of Silicon Graphics. - * - * THE SOFTWARE IS PROVIDED "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 BE LIABLE FOR - * ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND, - * OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, - * WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF - * LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE - * OF THIS SOFTWARE. - */ - -/* - * Nov 20, 1995 use stdlib's rand()/srand() instead of random()/srand48(), etc. - */ - -/* - * Modified by Li Wei(liwei@aiar.xjtu.edu.cn) to be able to run in Windows - * 6/13 - * - * Modified by Brian Paul to compile with Windows OR Unix. 7/23/97 - */ - - -#define _HPUX_SOURCE - -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <math.h> -#include <GL/glut.h> - -#ifndef RAND_MAX -# define RAND_MAX 32767 -#endif - - -#define XSIZE 100 -#define YSIZE 75 - -#define RINGS 5 -#define BLUERING 0 -#define BLACKRING 1 -#define REDRING 2 -#define YELLOWRING 3 -#define GREENRING 4 - -#define BACKGROUND 8 - - -GLenum rgb, doubleBuffer; - -#include "tkmap.c" - -unsigned char rgb_colors[RINGS][3]; -int mapped_colors[RINGS]; -float dests[RINGS][3]; -float offsets[RINGS][3]; -float angs[RINGS]; -float rotAxis[RINGS][3]; -int iters[RINGS]; -GLuint theTorus; - - -static void FillTorus(float rc, int numc, float rt, int numt) -{ - int i, j, k; - double s, t; - double x, y, z; - double pi, twopi; - - pi = 3.14159265358979323846; - twopi = 2 * 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 = cos(t*twopi/numt) * cos(s*twopi/numc); - y = sin(t*twopi/numt) * cos(s*twopi/numc); - z = sin(s*twopi/numc); - glNormal3f(x, y, z); - - x = (rt + rc * cos(s*twopi/numc)) * cos(t*twopi/numt); - y = (rt + rc * cos(s*twopi/numc)) * sin(t*twopi/numt); - z = rc * sin(s*twopi/numc); - glVertex3f(x, y, z); - } - } - glEnd(); - } -} - -static float Clamp(int iters_left, float t) -{ - if (iters_left < 3) { - return 0.0; - } - return (iters_left-2)*t/iters_left; -} - -static void DrawScene(void) -{ - int i, j; - GLboolean goIdle; - static double t0 = -1.; - double t, dt; - t = glutGet(GLUT_ELAPSED_TIME) / 1000.; - if (t0 < 0.) - t0 = t; - dt = t - t0; - - if (dt < 1./30.) - return; - - t0 = t; - - goIdle = GL_TRUE; - for (i = 0; i < RINGS; i++) { - if (iters[i]) { - for (j = 0; j < 3; j++) { - offsets[i][j] = Clamp(iters[i], offsets[i][j]); - } - angs[i] = Clamp(iters[i], angs[i]); - iters[i]--; - goIdle = GL_FALSE; - } - } - if (goIdle) { - glutIdleFunc(NULL); - } - - glPushMatrix(); - - glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT); - gluLookAt(0,0,10, 0,0,0, 0,1,0); - - for (i = 0; i < RINGS; i++) { - if (rgb) { - glColor3ubv(rgb_colors[i]); - } else { - glIndexi(mapped_colors[i]); - } - glPushMatrix(); - glTranslatef(dests[i][0]+offsets[i][0], dests[i][1]+offsets[i][1], - dests[i][2]+offsets[i][2]); - glRotatef(angs[i], rotAxis[i][0], rotAxis[i][1], rotAxis[i][2]); - glCallList(theTorus); - glPopMatrix(); - } - - glPopMatrix(); - - glFlush(); - if (doubleBuffer) { - glutSwapBuffers(); - } -} - -static float MyRand(void) -{ - return 10.0 * ( (float) rand() / (float) RAND_MAX - 0.5 ); -} - -#if !defined(GLUTCALLBACK) -#define GLUTCALLBACK -#endif - -static void GLUTCALLBACK glut_post_redisplay_p(void) -{ - glutPostRedisplay(); -} - -static void ReInit(void) -{ - int i; - float deviation; - - deviation = MyRand() / 2; - deviation = deviation * deviation; - for (i = 0; i < RINGS; i++) { - offsets[i][0] = MyRand(); - offsets[i][1] = MyRand(); - offsets[i][2] = MyRand(); - angs[i] = 260.0 * MyRand(); - rotAxis[i][0] = MyRand(); - rotAxis[i][1] = MyRand(); - rotAxis[i][2] = MyRand(); - iters[i] = (deviation * MyRand() + 60.0); - } - glutIdleFunc(glut_post_redisplay_p); -} - -static void Init(void) -{ - float base, height; - float aspect, x, y; - int i; - - float top_y = 1.0; - float bottom_y = 0.0; - float top_z = 0.15; - float bottom_z = 0.69; - float spacing = 2.5; - static float lmodel_ambient[] = {0.0, 0.0, 0.0, 0.0}; - static float lmodel_twoside[] = {GL_FALSE}; - static float lmodel_local[] = {GL_FALSE}; - static float light0_ambient[] = {0.1, 0.1, 0.1, 1.0}; - static float light0_diffuse[] = {1.0, 1.0, 1.0, 0.0}; - static float light0_position[] = {0.8660254, 0.5, 1, 0}; - static float light0_specular[] = {1.0, 1.0, 1.0, 0.0}; - static float bevel_mat_ambient[] = {0.0, 0.0, 0.0, 1.0}; - static float bevel_mat_shininess[] = {40.0}; - static float bevel_mat_specular[] = {1.0, 1.0, 1.0, 0.0}; - static float bevel_mat_diffuse[] = {1.0, 0.0, 0.0, 0.0}; - - srand( (unsigned int) glutGet(GLUT_ELAPSED_TIME) ); - - ReInit(); - for (i = 0; i < RINGS; i++) { - rgb_colors[i][0] = rgb_colors[i][1] = rgb_colors[i][2] = 0; - } - rgb_colors[BLUERING][2] = 255; - rgb_colors[REDRING][0] = 255; - rgb_colors[GREENRING][1] = 255; - rgb_colors[YELLOWRING][0] = 255; - rgb_colors[YELLOWRING][1] = 255; - mapped_colors[BLUERING] = COLOR_BLUE; - mapped_colors[REDRING] = COLOR_RED; - mapped_colors[GREENRING] = COLOR_GREEN; - mapped_colors[YELLOWRING] = COLOR_YELLOW; - mapped_colors[BLACKRING] = COLOR_BLACK; - - dests[BLUERING][0] = -spacing; - dests[BLUERING][1] = top_y; - dests[BLUERING][2] = top_z; - - dests[BLACKRING][0] = 0.0; - dests[BLACKRING][1] = top_y; - dests[BLACKRING][2] = top_z; - - dests[REDRING][0] = spacing; - dests[REDRING][1] = top_y; - dests[REDRING][2] = top_z; - - dests[YELLOWRING][0] = -spacing / 2.0; - dests[YELLOWRING][1] = bottom_y; - dests[YELLOWRING][2] = bottom_z; - - dests[GREENRING][0] = spacing / 2.0; - dests[GREENRING][1] = bottom_y; - dests[GREENRING][2] = bottom_z; - - base = 2.0; - height = 2.0; - theTorus = glGenLists(1); - glNewList(theTorus, GL_COMPILE); - FillTorus(0.1, 8, 1.0, 25); - glEndList(); - - x = (float)XSIZE; - y = (float)YSIZE; - aspect = x / y; - glEnable(GL_CULL_FACE); - glCullFace(GL_BACK); - glEnable(GL_DEPTH_TEST); - glClearDepth(1.0); - - if (rgb) { - glClearColor(0.5, 0.5, 0.5, 0.0); - glLightfv(GL_LIGHT0, GL_AMBIENT, light0_ambient); - glLightfv(GL_LIGHT0, GL_DIFFUSE, light0_diffuse); - glLightfv(GL_LIGHT0, GL_SPECULAR, light0_specular); - glLightfv(GL_LIGHT0, GL_POSITION, light0_position); - glEnable(GL_LIGHT0); - - glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_local); - glLightModelfv(GL_LIGHT_MODEL_TWO_SIDE, lmodel_twoside); - glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient); - glEnable(GL_LIGHTING); - - glMaterialfv(GL_FRONT, GL_AMBIENT, bevel_mat_ambient); - glMaterialfv(GL_FRONT, GL_SHININESS, bevel_mat_shininess); - glMaterialfv(GL_FRONT, GL_SPECULAR, bevel_mat_specular); - glMaterialfv(GL_FRONT, GL_DIFFUSE, bevel_mat_diffuse); - - glColorMaterial(GL_FRONT_AND_BACK, GL_DIFFUSE); - glEnable(GL_COLOR_MATERIAL); - glShadeModel(GL_SMOOTH); - } else { - glClearIndex(BACKGROUND); - glShadeModel(GL_FLAT); - } - - glMatrixMode(GL_PROJECTION); - gluPerspective(45, 1.33, 0.1, 100.0); - glMatrixMode(GL_MODELVIEW); -} - -static void Reshape(int width, int height) -{ - - glViewport(0, 0, width, height); -} - -static void Key(unsigned char key, int x, int y) -{ - - switch (key) { - case 27: - exit(1); - case 32: - ReInit(); - break; - } -} - -static GLenum Args(int argc, char **argv) -{ - GLint i; - - rgb = GL_TRUE; - doubleBuffer = GL_TRUE; - - for (i = 1; i < argc; i++) { - if (strcmp(argv[i], "-ci") == 0) { - rgb = GL_FALSE; - } else if (strcmp(argv[i], "-rgb") == 0) { - rgb = GL_TRUE; - } else if (strcmp(argv[i], "-sb") == 0) { - doubleBuffer = GL_FALSE; - } else if (strcmp(argv[i], "-db") == 0) { - doubleBuffer = GL_TRUE; - } else { - printf("%s (Bad option).\n", argv[i]); - return GL_FALSE; - } - } - return GL_TRUE; -} - -int main(int argc, char **argv) -{ - GLenum type; - - glutInit(&argc, argv); - - if (Args(argc, argv) == GL_FALSE) { - exit(1); - } - - glutInitWindowPosition(0, 0); glutInitWindowSize( 400, 300); - - type = GLUT_DEPTH; - type |= (rgb) ? GLUT_RGB : GLUT_INDEX; - type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE; - glutInitDisplayMode(type); - - if (glutCreateWindow("Olympic") == GL_FALSE) { - exit(1); - } - - InitMap(); - - Init(); - - glutReshapeFunc(Reshape); - glutKeyboardFunc(Key); - glutDisplayFunc(DrawScene); - glutIdleFunc(glut_post_redisplay_p); - - glutMainLoop(); - return 0; -} |