[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 %
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DECLARE CYLINDER Cylinder001 !HKW_m^3J  
BEGIN Cylinder001 6dhzx; A  
Position = 0 0 -0.3 hp}JKj@  
Vector_axis = 0 1 0 qD,/Qu62  
Radius = 0.2 "b\@.7".  
Length = 60 3e)$<e  
Surface = SURFACE_LAMP g1)ZjABV  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 mnFmShu  
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Color = 255 0 0 D+{&zo  
END 9hjzOJPuga  
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DECLARE SOURCE src Op
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BEGIN src +NVXFjPC  
geometry = Cylinder001 &.P G2f*  
emission = LAMBERT P<=1OWC  
power = 200 /ACau<U]t  
unit = Lumen ]U,m 1  
spectrum = BLACKBODY 5000 x|)pZa  
END g-4ab|F  
DECLARE CURVE2D_CONIC MyCurve2DConic001 |nBZ:$D  
BEGIN MyCurve2DConic001 Ey{p;;H  
Position = 0 -0.8 `@{(ijg.  
Orientation = 1 0 se*k56,  
Radius = 1 uobQS!  
Conic = 0 #szIYyk  
XMin = -1 |\W~+}'g~  
XMax = 1 F:8@ ]tA&  
END Xq}}T%jcd  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 u-*z#e_L0  
BEGIN MyVolumeExtrusion001 &ju.5v
|  
Position = 0 30 0 rA}mp]
 
Vector_I = 1 0 0 JA4}Bwn  
Vector_J = 0 0 1 X2'XbG3  
Generatrix = MYCURVE2DCONIC001 M"6J"s
 
Length = 30 g!^mewtd  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000
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Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 ,h<xY>  
Color = 255 155 255 "bz]5c~  
END -B#K}xL|x  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： TeFi[1  
光源定义了光强、散射方式、光谱， KY?ujeF  
怎么没有定义光源的出光角度？