8
8.1
=++
ambient light
Ka Ia
aae IKI?
Iθ
Kd01Ipθ?c o spdd IKI?
PNPL

m
i
ipidd LNIKI
1
)(
)( LNIKI pdd
Phong
Ksαn
nsps KII c o s?
nc o s
VRV·R
Phong
nsps RVKII )(
n
i
m
i
piss RVIKI )(
1

LVH Phong
Phong
nsps HNKII )(
n
i
m
i
piss HNIKI )(
1

8.2
8.3
x,y,zu,vu,v
8.4
L
O1O2
O3
EO1P1P1LS1P1ER1T1P1R1
T1T1O1O1P2R2T2R2
T2T2O3P3P3LS3R3P3R3
1
2
3()
4
1
2
3
1
2
3DDA