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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
' j2 P- ?6 j$ G. T jto go
" G5 w; L6 U5 S( `4 O& `/ F9 _& fif not any? turtles with [not stopped? ] [ stop ] 8 S8 q: p k' y
ask turtles with [remainder who 5 = 0] [; r8 o# J- }+ E) K* [' d5 `
set close-mates (turtles with [self != myself])with[. I& J, G; n8 K; K7 O: f/ G
(abs(xcor -(xcor-of myself)) < X-Dist + Wid ) # |4 L7 V! w% P4 f- E7 F) D
and (abs(ycor -(ycor-of myself)) < Y-Dist + Dep ) ! j: l9 D" u( h5 ]! F
and remainder who 5 = 0
( U8 o5 `$ o4 q/ Q; A9 C6 f, p! b]
5 ^+ H, i2 M, r, oifelse any? close-mates
) G6 a8 s& a x[ 4 n/ u* }# D9 n* R' H
set closest-one min-one-of (close-mates with[self != myself] )[distance myself]
8 J" T O; s9 nface closest-one( z$ C8 ^$ @$ ?2 _* ]
rt 180
: ?) W/ }$ ?* A( C) t8 h, t0 |9 N6 T( t+ j7 ofd random-float step-size
9 Y; l. b( l2 m: _/ b( G, navoid-walls" i; ~- K, N# q; m* z$ s
set stopped? false]- x* }. U8 n2 J. L F, d% L- |' ^: Q: ^
[set stopped? true] 6 n8 S, n# U9 O4 w9 c
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发表于 2008-4-12 15:04:09
楼主