var i:real
1 D% k3 h( g: p- j5 q# M, Bi:=z_uniform(1,0,1)1 ?! [# B. y9 V! `
@.createattr("type","string")
+ p: f: u4 U" M+ ~. r* Gif i<0.2
, T, |6 f' ~6 b$ p/ ]- B @.type:="red") D/ l5 \7 F0 h2 d4 r# J4 z
PartRecord["Number",1]+=17 A0 C% b0 B4 M* F1 a O
elseif i<=0.5 and i>=0.2% u1 e8 k5 R9 Z2 Q
@.type:="green"
& W2 \7 v0 g, t0 o PartRecord["Number",2]+=1! I0 C4 y# u ?2 h2 d
else , C8 c' T w6 ?- P5 z
@.type:="blue"8 J- K+ y% {9 E
PartRecord["Number",3]+=1
~& M+ H8 j r% c" J2 Kend: [/ a3 t" ~; f8 J% Y/ _
& V. D. a ?1 y) T- H1 B
deleteMovables
% ]6 R1 Q$ a* O6 o) F8 tPartRecord.delete({2,1}..{2,3})
6 ~# A1 L! I# D" m这是对的 |