[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 O&!tW^ih  
DECLARE CYLINDER Cylinder001 O0{M3-  
BEGIN Cylinder001
4 }l,F  
Position = 0 0 -0.3 /2&jId  
Vector_axis = 0 1 0 3JiDi X"|  
Radius = 0.2 zhDmZ  
Length = 60 #qk A*WP  
Surface = SURFACE_LAMP (N U*PQY6  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 rlvo&(a  
mlR*S<Z  
Color = 255 0 0 szC~?]<YY  
END _-*Lj;^V  
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DECLARE SOURCE src *sqq]uD  
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BEGIN src &Z_W*D  
geometry = Cylinder001 9&=~_,wJd  
emission = LAMBERT b:Lp`8Du  
power = 200
[e )j,Q1  
unit = Lumen bmEo5f~C!  
spectrum = BLACKBODY 5000 e`#c[lbAAM  
END j5ZeYcQ-  
DECLARE CURVE2D_CONIC MyCurve2DConic001 U3 e3  
BEGIN MyCurve2DConic001 ;f7(d\=y  
Position = 0 -0.8 H'E>QT  
Orientation = 1 0 CUT D]:\  
Radius = 1 a[:0<Ek  
Conic = 0 Bl-nS{9"  
XMin = -1 LXaT_3;  
XMax = 1 d_&R>GmR$  
END [0D( PV(n  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 NamBJ\2E1[  
BEGIN MyVolumeExtrusion001 5tg  
Position = 0 30 0 9cAb\5c|  
Vector_I = 1 0 0 %_wX9ZT  
Vector_J = 0 0 1 5B!l6ST  
Generatrix = MYCURVE2DCONIC001 r>S?,qr  
Length = 30 |A0LYKni  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 ^zHBDRsb2F  
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 wAxXK94#3  
Color = 255 155 255 &A
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END (b Q1,y  
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描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： ]'=]=o~4  
光源定义了光强、散射方式、光谱， (7q!Z!2  
怎么没有定义光源的出光角度？