「Lamb」：修訂間差異
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無編輯摘要 |
無編輯摘要 |
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| 第18行： | 第18行： | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
! | ! BSDF | ||
! | ! PDF | ||
|- | |- | ||
| row 1 cell 1 | | row 1 cell 1 | ||
| row 1 cell 2 | | row 1 cell 2 | ||
|- | |- | ||
| row 2 cell 1 | | row 2 cell 1 | ||
| row 2 cell 2 | | row 2 cell 2 | ||
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於 2019年9月19日 (四) 03:18 的修訂
Format
Lamb // float
The probability of a surface emitting light ray according to Lambertian cosine law. The number of photons emitted in a solid angle is proportional to , where is the angle between the wave vector of a light ray and the normal vector of the emission surface.
Example
#Lamb SurfEmit Shell 1 1.00000
The probability is 100%.
Math
| BSDF | |
|---|---|
| row 1 cell 1 | row 1 cell 2 |
| row 2 cell 1 | row 2 cell 2 |