/* ---------------------------------------------------------- */
int main(int argc, char **argv)
{
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH );
glutInitWindowSize(800,800);
glutCreateWindow("OpenGl application");
glutDisplayFunc(redraw);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutKeyboardFunc(key);
glutCreateMenu(controlMenu);
glutAddMenuEntry("-----------------------", M_NONE);
glutAttachMenu(GLUT_RIGHT_BUTTON);
glEnable(GL_DEPTH_TEST);
glLineWidth(3.0);
glMatrixMode(GL_PROJECTION);
gluPerspective(
/* field of view in degree */ 40.0,
/* aspect ratio */ 1.0,
/* Z near */ 1.0, /* Z far */ 100.0);
glMatrixMode(GL_MODELVIEW);
gluLookAt(
0.0, 0.0, 10.0, /* eye */
0.0, 0.0, 0.0, /* center */
1.0, 0.0, 0.0); /* up is in positive Y direction */
makeFloorTexture();
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}
int
main(int argc, char **argv)
{
int i;
glutInit(&argc, argv);
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_MULTISAMPLE);
for (i=1; i<argc; i++) {
if(!strcmp("-noms", argv[i])) {
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH);
printf("forcing no multisampling\n");
} else if(!strcmp("-nomipmaps", argv[i])) {
useMipmaps = 0;
} else if(!strcmp("-nearest", argv[i])) {
linearFiltering = 0;
}
}
glutCreateWindow("point burst");
glutDisplayFunc(redraw);
glutMouseFunc(mouse);
glutMotionFunc(mouseMotion);
glutVisibilityFunc(visible);
glutKeyboardFunc(key);
glutCreateMenu(menu);
glutAddMenuEntry("Reset time", 0);
glutAddMenuEntry("Constant", 1);
glutAddMenuEntry("Linear", 2);
glutAddMenuEntry("Quadratic", 3);
glutAddMenuEntry("Blend on", 4);
glutAddMenuEntry("Blend off", 5);
glutAddMenuEntry("Threshold 1", 6);
glutAddMenuEntry("Threshold 10", 7);
glutAddMenuEntry("Point smooth on", 8);
glutAddMenuEntry("Point smooth off", 9);
glutAddMenuEntry("Point size 2", 10);
glutAddMenuEntry("Point size 4", 11);
glutAddMenuEntry("Point size 8", 12);
glutAddMenuEntry("Toggle spin", 13);
glutAddMenuEntry("200 points ", 14);
glutAddMenuEntry("500 points ", 15);
glutAddMenuEntry("1000 points ", 16);
glutAddMenuEntry("2000 points ", 17);
glutAddMenuEntry("Quit", 666);
glutAttachMenu(GLUT_RIGHT_BUTTON);
glEnable(GL_DEPTH_TEST);
glEnable(GL_POINT_SMOOTH);
glEnable(GL_BLEND);
glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
glPointSize(8.0);
#if GL_SGIS_point_parameters
glPointParameterfvSGIS(GL_DISTANCE_ATTENUATION_SGIS, quad);
#endif
glMatrixMode(GL_PROJECTION);
gluPerspective( /* field of view in degree */ 40.0,
/* aspect ratio */ 1.0,
/* Z near */ 0.5, /* Z far */ 40.0);
glMatrixMode(GL_MODELVIEW);
gluLookAt(0.0, 1.0, 8.0, /* eye location */
0.0, 1.0, 0.0, /* center is at (0,0,0) */
0.0, 1.0, 0.); /* up is in postivie Y direction */
glPushMatrix(); /* dummy push so we can pop on model
recalc */
makePointList();
makeFloorTexture();
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}
int
main(int argc, char **argv)
{
int i;
glutInit(&argc, argv);
for (i=1; i<argc; i++) {
if (!strcmp("-linear", argv[i])) {
linearFiltering = 1;
} else if (!strcmp("-mipmap", argv[i])) {
useMipmaps = 1;
} else if (!strcmp("-ext", argv[i])) {
forceExtension = 1;
}
}
glutInitDisplayMode(GLUT_RGB | GLUT_DOUBLE | GLUT_DEPTH | GLUT_STENCIL);
#if 0
/* In GLUT 4.0, you'll be able to do this an be sure to
get 2 bits of stencil if the machine has it for you. */
glutInitDisplayString("samples stencil>=2 rgb double depth");
#endif
glutCreateWindow("Shadowy Leapin' Lizards");
glewInit();
if (glutGet(GLUT_WINDOW_STENCIL_SIZE) <= 1) {
printf("dinoshade: Sorry, I need at least 2 bits of stencil.\n");
exit(1);
}
/* Register GLUT callbacks. */
glutDisplayFunc(redraw);
glutMouseFunc(mouse);
glutMotionFunc(motion);
glutVisibilityFunc(visible);
glutKeyboardFunc(key);
glutSpecialFunc(special);
glutCreateMenu(controlLights);
glutAddMenuEntry("Toggle motion", M_MOTION);
glutAddMenuEntry("-----------------------", M_NONE);
glutAddMenuEntry("Toggle light", M_LIGHT);
glutAddMenuEntry("Toggle texture", M_TEXTURE);
glutAddMenuEntry("Toggle shadows", M_SHADOWS);
glutAddMenuEntry("Toggle reflection", M_REFLECTION);
glutAddMenuEntry("Toggle dinosaur", M_DINOSAUR);
glutAddMenuEntry("-----------------------", M_NONE);
glutAddMenuEntry("Toggle reflection stenciling", M_STENCIL_REFLECTION);
glutAddMenuEntry("Toggle shadow stenciling", M_STENCIL_SHADOW);
glutAddMenuEntry("Toggle shadow offset", M_OFFSET_SHADOW);
glutAddMenuEntry("----------------------", M_NONE);
glutAddMenuEntry("Positional light", M_POSITIONAL);
glutAddMenuEntry("Directional light", M_DIRECTIONAL);
glutAddMenuEntry("-----------------------", M_NONE);
glutAddMenuEntry("Toggle performance", M_PERFORMANCE);
glutAttachMenu(GLUT_RIGHT_BUTTON);
makeDinosaur();
#ifdef GL_VERSION_1_1
if (GLEW_VERSION_1_1 && !forceExtension) {
polygonOffsetVersion = ONE_DOT_ONE;
glPolygonOffset(-2.0, -9.0);
} else
#endif
{
#ifdef GL_EXT_polygon_offset
/* check for the polygon offset extension */
if (GLEW_EXT_polygon_offset) {
polygonOffsetVersion = EXTENSION;
glPolygonOffsetEXT(-2.0, -0.002);
} else
#endif
{
polygonOffsetVersion = MISSING;
printf("\ndinoshine: Missing polygon offset.\n");
printf(" Expect shadow depth aliasing artifacts.\n\n");
fflush(stdout);
}
}
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_TEXTURE_2D);
glLineWidth(3.0);
glMatrixMode(GL_PROJECTION);
gluPerspective( /* field of view in degree */ 40.0,
/* aspect ratio */ 1.0,
/* Z near */ 20.0, /* Z far */ 100.0);
glMatrixMode(GL_MODELVIEW);
gluLookAt(0.0, 8.0, 60.0, /* eye is at (0,8,60) */
0.0, 8.0, 0.0, /* center is at (0,8,0) */
0.0, 1.0, 0.); /* up is in postivie Y direction */
glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, 1);
glLightfv(GL_LIGHT0, GL_DIFFUSE, lightColor);
glLightf(GL_LIGHT0, GL_CONSTANT_ATTENUATION, 0.1);
glLightf(GL_LIGHT0, GL_LINEAR_ATTENUATION, 0.05);
glEnable(GL_LIGHT0);
glEnable(GL_LIGHTING);
makeFloorTexture();
/* Setup floor plane for projected shadow calculations. */
findPlane(floorPlane, floorVertices[1], floorVertices[2], floorVertices[3]);
glutMainLoop();
return 0; /* ANSI C requires main to return int. */
}