[求助]請(qǐng)教：光源旁邊加反光罩后，在罩內(nèi)無(wú)光線出來(lái)？？ [復(fù)制鏈接]

#define SURFACE_LAMP PERFECT_MIRROR 34.00 5/C#*%EH'  
DECLARE CYLINDER Cylinder001 6R';[um?q  
BEGIN Cylinder001 V^E.9fs,  
Position = 0 0 -0.3 \iM  
Vector_axis = 0 1 0 4@1C$|k  
Radius = 0.2 +9[s(E?SY  
Length = 60 m j@{hGP  
Surface = SURFACE_LAMP > ?<C+ZHh  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 vY'E+M"+@  
pqnZ:'V  
Color = 255 0 0 CI~ll=9`  
END ]}HuK#  
=x^b  
DECLARE SOURCE src 4.qW ~W{  
5,u'p8}.  
BEGIN src E'wJ+X9 +  
geometry = Cylinder001 e{fm7Cc)D  
emission = LAMBERT 1PnWgu  
power = 200 fLR\@f  
unit = Lumen :Miri_l  
spectrum = BLACKBODY 5000 J={R@}u  
END 18];fC  
DECLARE CURVE2D_CONIC MyCurve2DConic001 $9Asr07  
BEGIN MyCurve2DConic001 iR6w)  
Position = 0 -0.8 $pGdGV\H  
Orientation = 1 0 <j^bk"l p  
Radius = 1 z[bS soK`  
Conic = 0 Jrm 9,7/  
XMin = -1 P/;d|M(  
XMax = 1 5*IfI+}  
END D0H
LU ~o  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 K3On8  
BEGIN MyVolumeExtrusion001 rA6lyzJ  
Position = 0 30 0 iQ
J[?l`  
Vector_I = 1 0 0 WC *e#QP  
Vector_J = 0 0 1 +ew9%={zB  
Generatrix = MYCURVE2DCONIC001 ;8J+Q0V  
Length = 30 xI