[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 ](B&l{V  
DECLARE CYLINDER Cylinder001 8CHb~m@^$  
BEGIN Cylinder001 5;3c<  
Position = 0 0 -0.3 pRQfx^On  
Vector_axis = 0 1 0 JVJ1Ay/be  
Radius = 0.2 |@o]X?^  
Length = 60 6MLN>)t  
Surface = SURFACE_LAMP >>oASo  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 v$gMLu=  
Bq$e|t)'  
Color = 255 0 0 HI"!n$p  
END l}2%?d  
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DECLARE SOURCE src }S~ysQwT  
p|bc=`TD  
BEGIN src ()@.;R.Z  
geometry = Cylinder001 .LXh]I*  
emission = LAMBERT mV:RmA  
power = 200 7]M,yIwc  
unit = Lumen <F#*:Re_y  
spectrum = BLACKBODY 5000 Sy+]SeF&  
END <B]i80.  
DECLARE CURVE2D_CONIC MyCurve2DConic001 /%ODJ1M  
BEGIN MyCurve2DConic001 U:mq7Rd
8  
Position = 0 -0.8 @\%)'WU  
Orientation = 1 0 48 c D3w  
Radius = 1 !LHzY(  
Conic = 0 y~]IVl"  
XMin = -1 Y^c,mK^  
XMax = 1 APHtJoS  
END AhbT/  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 0p:ClM2O  
BEGIN MyVolumeExtrusion001 *f0.=?  
Position = 0 30 0 c:h.J4mv  
Vector_I = 1 0 0 6mI_Q2  
Vector_J = 0 0 1 Y2=Brtc[@  
Generatrix = MYCURVE2DCONIC001 m'Ekp  
Length = 30 9%3 r-U=  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 }Ke}rM<  
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 A]tf>H#1  
Color = 255 155 255 ~`G;=ITo  
END YmO"EWb  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： p(x1D]#Z[  
光源定义了光强、散射方式、光谱， +QXYU8bYZ  
怎么没有定义光源的出光角度？