檢視 LambX 的原始碼

=='''Format'''==
 LambR,   LambT // float, float

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The probability of a light ray being reflected by or transmitted through the surface according to Lambertian distribution.
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=='''Example'''==
 #LambR,   LambT 
 SurfScat
 Shell 1 
 0.50000  0.50000

The probability of Lambertian reflection/transmittion is 50%.

=='''Math'''==

{| class="wikitable"
|-
! BSDF
! PDF
|-
| <math>\frac{1}{\pi}</math>
| <math>\frac{\cos \theta}{\pi}</math>
|}