[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 M"P$hb'F  
DECLARE CYLINDER Cylinder001 b?Vu9!  
BEGIN Cylinder001 +C+3DwN  
Position = 0 0 -0.3 9J1&g(?>-  
Vector_axis = 0 1 0 {)Gh~~57_W  
Radius = 0.2 _o`'b80;  
Length = 60 "PlM{ZI\  
Surface = SURFACE_LAMP W`;E-28Dg  
material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 V6Q[Y>84~a  
aoC
yYnZD  
Color = 255 0 0 pM4 j=F  
END cW3;5  
TX 12$p\  
DECLARE SOURCE src QXF>xZ~  
zg^5cHP\  
BEGIN src v[~ U*#i  
geometry = Cylinder001 I]} MK?  
emission = LAMBERT D@0eYX4s  
power = 200 .&L#%
C  
unit = Lumen sSvQatwS  
spectrum = BLACKBODY 5000 D@f%&|IZ  
END M.t5,NJ  
DECLARE CURVE2D_CONIC MyCurve2DConic001 H p1cVs  
BEGIN MyCurve2DConic001 fXL$CgXG\x  
Position = 0 -0.8 `!rHH  
Orientation = 1 0 !.F`8OD`u  
Radius = 1 id*UTY Tg  
Conic = 0 n RXf\*"3  
XMin = -1 H,?AaM[V  
XMax = 1
esxU44  
END zf^!Zqn[8z  
DECLARE VOLUME_EXTRUSION MyVolumeExtrusion001 AU)Qk$
c  
BEGIN MyVolumeExtrusion001 Vg2s~ce{  
Position = 0 30 0 &&tQ,5H5  
Vector_I = 1 0 0 *X,vu2(I-=  
Vector_J = 0 0 1 in%+)`'nH7  
Generatrix = MYCURVE2DCONIC001 gBresHrlH  
Length = 30 bk"` hq  
Surface = SIMPLE_SCATTERING_REFLECTION_ONLY 2.000000 10.000000 80.000000 25.000000 =WN6Fj`  
Material = BASIC_MATERIAL PMMA 1.49000 1.70e-003 57.20 ~C[R%%Gu  
Color = 255 155 255 :egSW2"5S  
END a-O9[?G/x  
TCB<fS~U-  

描述:图

图片:未标题-1 拷贝.jpg

粗看了一下： .XS rLb?  
光源定义了光强、散射方式、光谱， +dR$;!WB3  
怎么没有定义光源的出光角度？