var i:real. N9 k8 M$ J) P5 A
i:=z_uniform(1,0,1)0 N6 S! m( _8 n6 [- u, v# e
@.createattr("type","string")
" n8 k( u+ P3 V4 ^ d0 s" rif i<0.2
' P) I4 i4 j, M; d g @.type:="red"
+ R! N+ ~( ^4 z# R5 M PartRecord["Number",1]+=1
2 b6 y7 C$ u) kelseif i<=0.5 and i>=0.2
! p# C. v/ `# b) G& W+ p6 D @.type:="green"$ }$ F* K0 f" h' D: Z
PartRecord["Number",2]+=12 Z2 ^9 v* G5 K. H
else " j* [2 m! U4 d+ @, K) F$ w
@.type:="blue"6 Z- ]' ?# n; ?) F" R2 y
PartRecord["Number",3]+=1" Q j* D% p3 y3 B; o* B
end
# J" a$ x$ z% F, p; T3 f2 ]" A2 q
% w- {! b3 \5 EdeleteMovables
j0 w9 w4 G" N; g* oPartRecord.delete({2,1}..{2,3})
! ^* P* l& q% Z& l* P这是对的 |