#define CI_OFFSET_2 32
-GLenum doubleBuffer;
+GLenum doubleBuffer = 1;
static void Init(void)
{
fprintf(stderr, "GL_VERSION = %s\n", (char *) glGetString(GL_VERSION));
fprintf(stderr, "GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR));
- glClearColor(0.0, 0.0, 1.0, 0.0);
+ glClearColor(0.3, 0.1, 0.3, 0.0);
}
static void Reshape(int width, int height)
switch (key) {
case 27:
- exit(1);
+ exit(0);
default:
return;
}
glClear(GL_COLOR_BUFFER_BIT);
glBegin(GL_TRIANGLES);
- glColor3f(0,0,.7);
- glVertex3f( 0.9, -0.9, -30.0);
glColor3f(.8,0,0);
- glVertex3f( 0.9, 0.9, -30.0);
+ glVertex3f(-0.9, -0.9, -30.0);
glColor3f(0,.9,0);
- glVertex3f(-0.9, 0.0, -30.0);
+ glVertex3f( 0.9, -0.9, -30.0);
+ glColor3f(0,0,.7);
+ glVertex3f( 0.0, 0.9, -30.0);
glEnd();
glFlush();
{
GLint i;
- doubleBuffer = GL_FALSE;
-
for (i = 1; i < argc; i++) {
if (strcmp(argv[i], "-sb") == 0) {
doubleBuffer = GL_FALSE;
glutInitWindowPosition(0, 0); glutInitWindowSize( 250, 250);
- type = GLUT_RGB;
+ type = GLUT_RGB | GLUT_ALPHA;
type |= (doubleBuffer) ? GLUT_DOUBLE : GLUT_SINGLE;
glutInitDisplayMode(type);
glutKeyboardFunc(Key);
glutDisplayFunc(Draw);
glutMainLoop();
- return 0;
+ return 0;
}