var i:real
. X$ B0 z( v! n! i% Z$ J3 Mi:=z_uniform(1,0,1)/ [+ x0 A! o* e3 Y& L/ b9 b* K& O
@.createattr("type","string")
% b8 [: ?# `# Z. X0 G" cif i<0.2
* @6 u) E* J2 N' e9 G; f) \1 J/ M @.type:="red"
$ ~5 [* w( b$ ]! [4 x4 J PartRecord["Number",1]+=1) z/ J* ]7 x: @1 X/ }
elseif i<=0.5 and i>=0.2
+ M- T$ A6 A& d4 ?; J2 K# N @.type:="green"
2 v5 O+ H6 x" D" J# r PartRecord["Number",2]+=1
6 {$ v1 ]4 U! ^) u, Yelse ) \6 Q; J& o$ L, B
@.type:="blue"7 V; _! f+ R. @ p0 C8 E
PartRecord["Number",3]+=1
8 q: }; \3 K' X' V6 g% @+ C1 fend
, Q6 H. z, ]* y, n) E; H# ?2 S# n$ f* _4 b8 c4 y8 I) r
deleteMovables
. C4 P& P9 C: |5 QPartRecord.delete({2,1}..{2,3})
' F; O) i# d( c7 [9 D3 D I2 o* @这是对的 |