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Cook-Torrance Illumination
Definitions:
I
l
,a
- Ambient light intensity (same old hack)
k
a
- Ambient surface reflectance (hacks beget hacks)
I
l
,i
- Luminous intensity of light source i
k
s
- percentage of light reflected specularly (notice terms sum to one)
r
l
- Diffuse reflectivity
l
i
- vector to light source
n
- average surface normal at point
D - microfacet distribution function
G - geometric attenuation Factor
F
l
(
q
i
) - Fresnel conductance term
v
- vector to viewer
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VRarchitect
<
ANU lectures
:
Computer Graphics
:
Global Illumination
>
[
Contact
]
[
Links
]
[
Prev. : 11 / 49 : Better Illuminance Models
]
[
Up
]
[
Next : 13 / 49 : Microfacet Distribution Function
]