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在这段代码中我设定了一个stopped?变量,初始状态设为false 。运行过程不能输出stopped?为true 。始终为false
, N7 H, x4 | q1 Dto go
, k4 D* t$ o1 D! _1 Zif not any? turtles with [not stopped? ] [ stop ]
! {5 ]4 y; a8 K: `, I$ l: Eask turtles with [remainder who 5 = 0] [
$ G% Z+ Z# F' ?# Rset close-mates (turtles with [self != myself])with[8 B9 c$ k7 X) }8 i3 t" q$ p
(abs(xcor -(xcor-of myself)) < X-Dist + Wid )
6 `4 ]2 I, `9 E. u& D! sand (abs(ycor -(ycor-of myself)) < Y-Dist + Dep )
$ A" ~8 E9 j5 Land remainder who 5 = 0 6 E$ _% E( f* g0 h$ V! N1 v% \
] # e$ d) e" v3 I! m y" N. k0 \
ifelse any? close-mates
" f# N0 P$ }5 ]: J9 N0 v: C[
/ Y3 v" t" V& _* h mset closest-one min-one-of (close-mates with[self != myself] )[distance myself]
1 \! }+ c7 L! x4 ]) uface closest-one
) R1 ?4 p# q) G9 ort 180
5 }% T6 t" n' V7 t- O7 k& Mfd random-float step-size9 ^4 N7 i/ M0 |4 ?0 E/ F
avoid-walls
$ L" q- u/ Q! B% s$ Dset stopped? false]3 e" \4 F+ S5 e9 O
[set stopped? true] 6 `- G. L) F3 ^
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