atlantis.c
上传用户:xk288cn
上传日期:2007-05-28
资源大小:4876k
文件大小:7k
- /* Copyright (c) Mark J. Kilgard, 1994. */
- /**
- * (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- * Unpublished-- rights reserved under the copyright laws of the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.
- */
- #include <stdio.h>
- #include <stdlib.h>
- #include <string.h>
- #include <math.h>
- #include <GL/glut.h>
- #include "atlantis.h"
- fishRec sharks[NUM_SHARKS];
- fishRec momWhale;
- fishRec babyWhale;
- fishRec dolph;
- GLboolean moving;
- void
- InitFishs(void)
- {
- int i;
- for (i = 0; i < NUM_SHARKS; i++) {
- sharks[i].x = 70000.0 + rand() % 6000;
- sharks[i].y = rand() % 6000;
- sharks[i].z = rand() % 6000;
- sharks[i].psi = rand() % 360 - 180.0;
- sharks[i].v = 1.0;
- }
- dolph.x = 30000.0;
- dolph.y = 0.0;
- dolph.z = 6000.0;
- dolph.psi = 90.0;
- dolph.theta = 0.0;
- dolph.v = 3.0;
- momWhale.x = 70000.0;
- momWhale.y = 0.0;
- momWhale.z = 0.0;
- momWhale.psi = 90.0;
- momWhale.theta = 0.0;
- momWhale.v = 3.0;
- babyWhale.x = 60000.0;
- babyWhale.y = -2000.0;
- babyWhale.z = -2000.0;
- babyWhale.psi = 90.0;
- babyWhale.theta = 0.0;
- babyWhale.v = 3.0;
- }
- void
- Init(void)
- {
- static float ambient[] =
- {0.1, 0.1, 0.1, 1.0};
- static float diffuse[] =
- {1.0, 1.0, 1.0, 1.0};
- static float position[] =
- {0.0, 1.0, 0.0, 0.0};
- static float mat_shininess[] =
- {90.0};
- static float mat_specular[] =
- {0.8, 0.8, 0.8, 1.0};
- static float mat_diffuse[] =
- {0.46, 0.66, 0.795, 1.0};
- static float mat_ambient[] =
- {0.0, 0.1, 0.2, 1.0};
- static float lmodel_ambient[] =
- {0.4, 0.4, 0.4, 1.0};
- static float lmodel_localviewer[] =
- {0.0};
- glFrontFace(GL_CW);
- glDepthFunc(GL_LEQUAL);
- glEnable(GL_DEPTH_TEST);
- glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
- glLightfv(GL_LIGHT0, GL_DIFFUSE, diffuse);
- glLightfv(GL_LIGHT0, GL_POSITION, position);
- glLightModelfv(GL_LIGHT_MODEL_AMBIENT, lmodel_ambient);
- glLightModelfv(GL_LIGHT_MODEL_LOCAL_VIEWER, lmodel_localviewer);
- glEnable(GL_LIGHTING);
- glEnable(GL_LIGHT0);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SHININESS, mat_shininess);
- glMaterialfv(GL_FRONT_AND_BACK, GL_SPECULAR, mat_specular);
- glMaterialfv(GL_FRONT_AND_BACK, GL_DIFFUSE, mat_diffuse);
- glMaterialfv(GL_FRONT_AND_BACK, GL_AMBIENT, mat_ambient);
- InitFishs();
- glClearColor(0.0, 0.5, 0.9, 0.0);
- }
- void
- Reshape(int width, int height)
- {
- glViewport(0, 0, width, height);
- glMatrixMode(GL_PROJECTION);
- glLoadIdentity();
- gluPerspective(400.0, 2.0, 10000.0, 400000.0);
- glMatrixMode(GL_MODELVIEW);
- }
- void
- Animate(void)
- {
- int i;
- for (i = 0; i < NUM_SHARKS; i++) {
- SharkPilot(&sharks[i]);
- SharkMiss(i);
- }
- WhalePilot(&dolph);
- dolph.phi++;
- glutPostRedisplay();
- WhalePilot(&momWhale);
- momWhale.phi++;
- WhalePilot(&babyWhale);
- babyWhale.phi++;
- }
- /* ARGSUSED1 */
- void
- Key(unsigned char key, int x, int y)
- {
- switch (key) {
- case 27: /* Esc will quit */
- exit(1);
- break;
- case ' ': /* space will advance frame */
- if (!moving) {
- Animate();
- }
- }
- }
- void
- Display(void)
- {
- int i;
- glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
- for (i = 0; i < NUM_SHARKS; i++) {
- glPushMatrix();
- FishTransform(&sharks[i]);
- DrawShark(&sharks[i]);
- glPopMatrix();
- }
- glPushMatrix();
- FishTransform(&dolph);
- DrawDolphin(&dolph);
- glPopMatrix();
- glPushMatrix();
- FishTransform(&momWhale);
- DrawWhale(&momWhale);
- glPopMatrix();
- glPushMatrix();
- FishTransform(&babyWhale);
- glScalef(0.45, 0.45, 0.3);
- DrawWhale(&babyWhale);
- glPopMatrix();
- glutSwapBuffers();
- }
- void
- Visible(int state)
- {
- if (state == GLUT_VISIBLE) {
- if (moving)
- glutIdleFunc(Animate);
- } else {
- if (moving)
- glutIdleFunc(NULL);
- }
- }
- void
- menuSelect(int value)
- {
- switch (value) {
- case 1:
- moving = GL_TRUE;
- glutIdleFunc(Animate);
- break;
- case 2:
- moving = GL_FALSE;;
- glutIdleFunc(NULL);
- break;
- case 3:
- exit(0);
- break;
- }
- }
- int
- main(int argc, char **argv)
- {
- glutInitWindowSize(500, 250);
- glutInit(&argc, argv);
- glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
- glutCreateWindow("GLUT Atlantis Demo");
- Init();
- glutDisplayFunc(Display);
- glutReshapeFunc(Reshape);
- glutKeyboardFunc(Key);
- moving = GL_TRUE;
- glutIdleFunc(Animate);
- glutVisibilityFunc(Visible);
- glutCreateMenu(menuSelect);
- glutAddMenuEntry("Start motion", 1);
- glutAddMenuEntry("Stop motion", 2);
- glutAddMenuEntry("Quit", 3);
- glutAttachMenu(GLUT_RIGHT_BUTTON);
- glutMainLoop();
- return 0; /* ANSI C requires main to return int. */
- }