檢視 ConeAng 的原始碼

=='''Format'''==
 UniCone // float

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The probability of a surface emitting light ray uniformly distributed in a cone. The axis of the cone is the normal vector of the surface. The cone angle is given by ConeAng.
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=='''Example'''==
 #UniCone, ConeAng
 SurfEmit
 Shell 1 
 1.00000  60.00000

The probability is 100% and the cone angle is 60 degree.