[求助]请教：光源旁边加反光罩后，在罩内无光线出来？？ [复制链接]

#define SURFACE_LAMP PERFECT_MIRROR 34.00 f;Dz(~hw  
DECLARE CYLINDER Cylinder001 8L@di Y  
BEGIN Cylinder001 $pKS['J0  
Position = 0 0 -0.3 !`WuLhB`  
Vector_axis = 0 1 0 =
osj}(  
Radius = 0.2 (+@.L7>m+t  
Length = 60 -_}EQ9Q  
Surface = SURFACE_LAMP ^q
6~xC,/  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 | jkmh6  
3_>R's8P  
Color = 255 0 0 (1o^Dn3  
END 3m^BYr*y^  
v3NaX.  
DECLARE SOURCE src tEUmED0FY  
hG67%T'}A  
BEGIN src wfdFGoy(  
geometry = Cylinder001 o6r4tpiR5  
emission = LAMBERT gM*s/,;O"  
power = 200 p#kC#{<nE  
unit = Lumen $1
v5*E  
spectrum = BLACKBODY 5000 ZUu^==a  
END d.Z]R&X08  
DECLARE CURVE2D_CONIC MyCurve2DConic001 zxh"@j$?  
BEGIN MyCurve2DConic001 EI;\of2,  
Position = 0 -0.8 V#~.Jg7  
Orientation = 1 0 7I|%GA_  
Radius = 1 EDo (  
Conic = 0 V~=)#3]`[  
XMin = -1 |^F-.
Z  
XMax = 1 Y!L jy [/  
END I%p#E#[G  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 o;[oy#aWl_  
BEGIN MyVolumeExtrusion001 g|P hNo  
Position = 0 30 0 I?>#neHc6  
Vector_I = 1 0 0 coWBKWF  
Vector_J = 0 0 1 -db+Y:xUZ  
Generatrix = MYCURVE2DCONIC001 ]Q3Gj@6  
Length = 30 ZwMw g t  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 <}%ir,8  
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20
xeI{i{8  
Color = 255 155 255 ZYA(Bg^  
END "7HB3?2>W  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： hptuTBD  
光源定义了光强、散射方式、光谱， -Q6pV<i  
怎么没有定义光源的出光角度？