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5仿真币
下面的语句中ask patch和create-initial-turtles 后面接的[ ]中的语句是什么含义，其中非原语的都是定义的全局或者外部变量。语法有点奇怪，谁能帮我解释一下吗？多谢
" i/ D* [6 E" K3 d% i* Zto make-turtles, }/ c3 g$ \* m- g! j2 J
ask patch 0 0 [
0 z% {5 \' x. W: x7 t# v. C& q' i create-initial-turtles num-random-min "random-min" violet) M: P& Y7 T0 Y+ a* Q
create-initial-turtles num-random "random" brown
% Z: H1 R) _0 E3 \" D+ i: b" ^6 f create-initial-turtles num-random-away "random-away" pink
1 K3 Z: U3 u2 U6 e% t create-initial-turtles num-open-min "open-min" blue1 ^& r* N% `. I
create-initial-turtles num-open-min-max "open-min-max" orange ]' o' {/ R& C; J2 u; p6 u
set-common-variables
/ }4 w5 ~6 ?1 Pend' f. R' V* N% S. }# G* u
# n# f1 D. ^1 N0 Oto create-initial-turtles [n turtle-rule turtle-color]
6 G+ T5 g9 n) B- t l ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
7 L& F/ F, v7 O. m8 f$ J5 y [ sprout 12 l/ x8 P' c6 @" Q* B; }* ]; I
[ set rule turtle-rule
/ z2 M* [0 \' D, u- e set color turtle-color ] ]+ }5 q; f! |2 k: R ~3 o
end+ p0 O7 u' u2 V8 s- S) Q
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[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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发表于 2008-4-30 10:05:49
