var i:real/ b; |* c+ x3 ^* \
i:=z_uniform(1,0,1)+ S( ^. O4 b( D
@.createattr("type","string")
H) z3 F* A. k3 I: n# _if i<0.2. x+ Y4 ]0 Y$ ?/ }% T. A4 P
@.type:="red"6 _6 Q4 O$ Q) s, t5 I
PartRecord["Number",1]+=1 Q# J( |: y# i
elseif i<=0.5 and i>=0.28 D# U5 w( L8 e/ p! g$ \6 U! R
@.type:="green"' ?' _/ O# t: Z6 F$ g: s* }
PartRecord["Number",2]+=1
, z4 ?+ X. G0 F# Oelse 3 a/ ]7 x# e$ k/ a
@.type:="blue", m# r [. _& i, F
PartRecord["Number",3]+=1
9 \" R% b Z: \* S; @+ y; O" Wend
) ]& X( X, {* m% {3 e" c, y2 w! B
. w2 Q& ] j' r: |* A0 M F) W" gdeleteMovables
, B) i) \# t9 F$ s& k7 TPartRecord.delete({2,1}..{2,3})1 i- D- x t4 b
这是对的 |