pitch yaw and roll faq?

[apit]

i have try this formula to make yaw and pitch in 3d program... how can i roll the object?

yaw
-----
void orientMe(float ang)
{
lx = sin(ang);
lz = -cos(ang);
}

pitch
-------
void orientMe(float ang)
{
ly = sin(ang);
lz = -cos(ang);
}

roll???

[al_bob]

You might find this (http://www.j3d.org/matrix_faq/matrfaq_latest.html) useful.