[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 zhX;6= X2  
DECLARE CYLINDER Cylinder001 3)Zu[c[%'J  
BEGIN Cylinder001 r&SO:#rOSM  
Position = 0 0 -0.3 :<|Z.4}kJb  
Vector_axis = 0 1 0 D
i+4Eb  
Radius = 0.2 `$at9  
Length = 60
/jR8|sb  
Surface = SURFACE_LAMP 5C B%=iL{  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 ;Z*'
D}  
?;^5ghY$  
Color = 255 0 0 |CwG3&8  
END UeA2c_ 5  
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DECLARE SOURCE src :9`qogF>  
uoHqL IpQ  
BEGIN src Qwv '<  
geometry = Cylinder001 3w6&&R9  
emission = LAMBERT jn^fgH?  
power = 200 uJY.5w  
unit = Lumen j{)~QD?  
spectrum = BLACKBODY 5000 -KiRj!v|  
END kbhX?; <`  
DECLARE CURVE2D_CONIC MyCurve2DConic001 OF8WDo`  
BEGIN MyCurve2DConic001 <7^Kt7k  
Position = 0 -0.8 ?I[h~vr6.  
Orientation = 1 0 _dr*`yXi  
Radius = 1 \-OC|\{32  
Conic = 0 &\k?xN  
XMin = -1 7/?DPwbx  
XMax = 1 p.C1nh  
END b/nOdFO@  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 y@A6$[%(E|  
BEGIN MyVolumeExtrusion001  %}h`+L  
Position = 0 30 0 K6hfauWd[  
Vector_I = 1 0 0 [/OQyb4F<  
Vector_J = 0 0 1 p![&8i@ym  
Generatrix = MYCURVE2DCONIC001 i=L8=8B`  
Length = 30 3u_
oRs  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 Vv7PCaq
 
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 vTd-x>n  
Color = 255 155 255 dF e4K"  
END ,eXFN?CB  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： h<Wg
3o  
光源定义了光强、散射方式、光谱， b[srG6{ &  
怎么没有定义光源的出光角度？