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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
, X* i" P s! L- d3 \3 C+ Ato go
4 W4 o6 z$ o) u' c2 s1 L$ uif not any? turtles with [not stopped? ] [ stop ] 2 C/ o n6 c6 t* s
ask turtles with [remainder who 5 = 0] [
; R5 E3 E" } Q! x$ m1 Zset close-mates (turtles with [self != myself])with[/ f$ R4 w! V/ t4 }0 }/ B6 w' c* n
(abs(xcor -(xcor-of myself)) < X-Dist + Wid )
% S' J* h% F/ z; K( ~$ M) [9 uand (abs(ycor -(ycor-of myself)) < Y-Dist + Dep ) $ l) M* A' T3 K) m! m5 H
and remainder who 5 = 0 ) j1 b+ d$ h6 [1 T1 X
] ) P5 C9 L N) O
ifelse any? close-mates * J" d( |: ^$ n& {1 W, j4 n
[ $ U! k7 {) n+ Q; J& V+ i
set closest-one min-one-of (close-mates with[self != myself] )[distance myself]
7 h9 \8 B! l( `+ F4 Cface closest-one$ x" n1 \, Z% K3 F1 P2 y
rt 180
! n5 K W5 ^; I- f2 T' ^fd random-float step-size
3 H/ ^* J5 [/ L1 B; b, \( W4 Davoid-walls
2 V- X$ B+ j- Q: w3 yset stopped? false]: g7 k7 e+ z6 V+ [2 F7 @
[set stopped? true]
1 W L1 ?. j8 B4 k] |
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发表于 2008-4-12 15:04:09
楼主