[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 ?EYF61? rw  
DECLARE CYLINDER Cylinder001 (6.0gB$aTu  
BEGIN Cylinder001 h~F uuL  
Position = 0 0 -0.3 N5~g:([k  
Vector_axis = 0 1 0 ;((gmg7,  
Radius = 0.2 7OW;omT`  
Length = 60 O>'o;0  
Surface = SURFACE_LAMP Q_@ Z.{  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 \DfvNeF  
qAG0t{K  
Color = 255 0 0 M/B_-8B_D  
END i5-V$Qh  
m2N ?Fg  
DECLARE SOURCE src 46$u}"E  

2-{8+*_'  
BEGIN src JfC.U,7Nc  
geometry = Cylinder001 d)dIIzv  
emission = LAMBERT [KCh,'&  
power = 200  5+VdZ'@  
unit = Lumen qWr`cO~hc  
spectrum = BLACKBODY 5000 hgsE"H<V  
END OlV>zam  
DECLARE CURVE2D_CONIC MyCurve2DConic001 XrBLw}lD`N  
BEGIN MyCurve2DConic001 *D`,z3/*  
Position = 0 -0.8 hJaqW'S  
Orientation = 1 0 *]F3pP[  
Radius = 1 f^0vkWI2  
Conic = 0 F,4Q  
XMin = -1 NO6.qWl  
XMax = 1 ~;U!?  
END {Y\hr+A  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 OP
Km^}  
BEGIN MyVolumeExtrusion001 5#:tL&q  
Position = 0 30 0 U,g!KN3P  
Vector_I = 1 0 0 BHU(
Hd  
Vector_J = 0 0 1 .F%!zaVIu  
Generatrix = MYCURVE2DCONIC001 e6{/e+/R  
Length = 30 :*Ckq~[Hg  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 ] niWRl
 
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 7E|0'PPR  
Color = 255 155 255 x)V.^-  
END @tp/0E?  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： 9E (>mN  
光源定义了光强、散射方式、光谱， Zwq uS9  
怎么没有定义光源的出光角度？