var i:real
* q! g! q8 @7 q: _i:=z_uniform(1,0,1)
! @$ P1 k S4 E- ~/ ^$ X@.createattr("type","string")
3 k7 {, E, w0 U+ {& Iif i<0.2) D9 H4 y1 {/ e
@.type:="red"% t3 e4 s1 z" H) |. ]; F7 O
PartRecord["Number",1]+=1
3 N( z! E, ?$ S: Q% H& Eelseif i<=0.5 and i>=0.2
. B- f% w: u; p& G0 ?' c! E @.type:="green"" j( U' J' e/ P& I6 h# o' c
PartRecord["Number",2]+=11 y! D0 ]5 V1 A# o! S$ S
else ; N- a7 Y3 m* H0 \0 a4 C
@.type:="blue"5 w; g& v" ]9 v# q( C
PartRecord["Number",3]+=1
+ G* J+ W ~) e4 h% L9 |; l* qend7 H1 o) z ~/ p$ l" P5 C" G
, E9 q, W7 F: n9 m
deleteMovables
& d; H8 ~ ~0 E) W7 K. FPartRecord.delete({2,1}..{2,3})
" i8 w/ U0 q3 f* i4 s这是对的 |