var i:real+ {! E5 b8 z/ p' n" ]( d
i:=z_uniform(1,0,1)
7 S& U! @. ` f@.createattr("type","string")
1 K/ }3 c$ z6 M1 I; R& s- G* Vif i<0.2
( s) D# j' e: ]3 G, c @.type:="red", a/ }4 A- r6 t+ H" [8 Z5 x
PartRecord["Number",1]+=1
. L" B+ c4 o( ~/ s, Y" Gelseif i<=0.5 and i>=0.2
. Q* D: Q+ r1 Y- R* a& y @.type:="green"1 y1 v8 ~( p7 y
PartRecord["Number",2]+=1
0 r2 J7 H' p5 Y" Y1 }4 yelse
$ J7 a* E, S0 Y, I- z @.type:="blue"
8 V$ P/ b5 ] B' u }+ p9 [# m1 u PartRecord["Number",3]+=1
F' M; T+ T- ^% fend+ m* U1 O! b L) h8 l) e
2 j+ J* T6 t2 I! f) g) EdeleteMovables# K( Y% k" x H: W* j
PartRecord.delete({2,1}..{2,3})
- p) @- O4 R3 O( u# o1 [这是对的 |