var i:real% ~/ D/ x% @* [% g, q
i:=z_uniform(1,0,1)
- r! U4 t2 n# [: l@.createattr("type","string")
- a( b, p! ^# w# N4 lif i<0.2( P. n* E0 f1 _" F* X4 u9 P/ J
@.type:="red"
7 T' {# v! h9 u& o: u- N PartRecord["Number",1]+=1. C/ B* B- M3 e9 z
elseif i<=0.5 and i>=0.2
9 y& Z! Q# J" k1 R* p @.type:="green"
; Q( t7 h/ G" a, E ]* v; h( W PartRecord["Number",2]+=1
# X* Q4 @- H( }) U! D U, n+ selse $ |! B( Q ~- p2 w+ t
@.type:="blue"' M" C% w6 N5 r3 L4 u, D+ A
PartRecord["Number",3]+=1
# N8 K @, x/ \7 n) K7 _end& O: W. {( o( z; X/ U: |6 d
% W6 }$ i4 f8 l9 E8 n1 R, ?deleteMovables% B, w* q) v3 H' a {
PartRecord.delete({2,1}..{2,3})0 M0 l' x+ D8 K0 D& }
这是对的 |