「Lamb」：修訂間差異
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於 2019年9月19日 (四) 03:19 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
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