What should be added to make this drawing function valid?
void draw (void)
{
glClear (GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glTranslatef (0, 0, -10);
glColor3f (1.0, 1.0, 0.0);
glBegin (GL_QUADS);
glVertex2i (1, 0);
glVertex2i (1, 1);
glVertex2i (-1, 1);
glVertex2i (-1, 0);
glEnd ();
glFlush ();
}
Correct Answer:
glPushMatrix ()
Explanation:
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