Hi,
I don’t know why this doesn’t make a bigger vertexes - leaving them in size 1. I musn’t use glPointSize(). I would like to achieve a zooming view of this 2 vertexes.
int main(int argc,char**argv)
{
glutInit(&argc,argv);
glutInitDisplayMode(GLUT_RGBA | GLUT_SINGLE);
glutInitWindowSize(800,600);
glutCreateWindow("2 POINTS");
glutDisplayFunc(display);
glutMainLoop();
}
void display()
{
glMatrixMode(GL_MODELVIEW);
glClearColor(0.0f,0.0f,0.0f,0.0f);
glClear(GL_COLOR_BUFFER_BIT);
glColor3f(0.0f,1.0f,0.0f);
glBegin(GL_POINTS);
glVertex2f(10,20);
glVertex2f(12,20);
glEnd();
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glViewport (0, 0, 800,600 );
gluOrtho2D(9, 13, 19, 21);
glFinish();
}
I would appreciate any help.
Thanks