glBlend stuff by Scouse

1

glEnable(GL_BLEND);     glColor4f(0.0f,0.0f,1.0f,0.5f);     glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);     glBegin(GL_QUADS);         glVertex3f(-10.0f, 5.0f, -40.0f);         glVertex3f(-10.0f, 10.0f, -40.0f);         glVertex3f(-10.0f, 10.0f, -35.0f);         glVertex3f(-10.0f, 5.0f, -35.0f);     glEnd();     glDisable(GL_BLEND);