In the name of ALLAH, the most beneficient, the most merciful

Computer Graphics (CS602)

Question (select most suitable option)

  The attenuation formula is f = ________, where C, L and Q are the constant, linear and quadratic attenuation factors and d is the distance between the vertex being lit and the light source.
1/(C + Ld + Qd2)
1/(C + Ld + Qd)
1/(C + L + d + Qd2)
1/(Cd + Ld + Qd2)