[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 [2ez"4e  
DECLARE CYLINDER Cylinder001 gLy1*k4  
BEGIN Cylinder001 t}w<xe  
Position = 0 0 -0.3 Qv~lH&jG  
Vector_axis = 0 1 0 4c0 =\v  
Radius = 0.2 #%5[8~&  
Length = 60 %=e^MN1  
Surface = SURFACE_LAMP b*Sw")#  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 crTRfqF  
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Color = 255 0 0 21_sg f?  
END 2D;2QdO  
@|N{EI  
DECLARE SOURCE src YMXhzqj  
'3Ro`p{  
BEGIN src xU9T8Lw  
geometry = Cylinder001 %1h%#/#[  
emission = LAMBERT 7!F<Uf,V3  
power = 200 +@G#Z3;l!  
unit = Lumen
M5c$  
spectrum = BLACKBODY 5000 [+;>
u|  
END =/kwUjC?  
DECLARE CURVE2D_CONIC MyCurve2DConic001 &uP,w#  
BEGIN MyCurve2DConic001 0
Sx$6:-~  
Position = 0 -0.8 7fE U5@  
Orientation = 1 0 _O#R,Y2#  
Radius = 1 zPm|
$d  
Conic = 0 wjy<{I  
XMin = -1 Xnc?o
T+  
XMax = 1 f0M5^  
END :yxP3e%rp  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 !KC4[;Y  
BEGIN MyVolumeExtrusion001 Y+)qb);  
Position = 0 30 0 *jCHv  
Vector_I = 1 0 0 (! a;}V<7  
Vector_J = 0 0 1 $&Lw 2 c0  
Generatrix = MYCURVE2DCONIC001 ~`yO@f;D  
Length = 30 Bi-x gq'z  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 JO-FnoQK  
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 fD3>g{  
Color = 255 155 255 adY ,Nz  
END >lkjoEVQ  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： p'4ZcCW?f  
光源定义了光强、散射方式、光谱， +8}8b_bgH  
怎么没有定义光源的出光角度？