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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
8 g/ L& ~- j: Qto make-turtles
1 @% }3 |; G! g+ l/ g ask patch 0 0 [- i/ }2 e0 s0 z
create-initial-turtles num-random-min "random-min" violet
6 W, N# G8 ^6 {2 Y2 h0 M create-initial-turtles num-random "random" brown
' E1 P" p, ^: b9 S1 Y create-initial-turtles num-random-away "random-away" pink6 v( i; d" O/ _3 ?5 m9 i; Y4 T
create-initial-turtles num-open-min "open-min" blue# z. H% Q% ~* e0 p5 D
create-initial-turtles num-open-min-max "open-min-max" orange ]8 ]) Y* f2 K& N! E/ P( u0 C
set-common-variables
7 H0 ~: v! s2 Xend
+ @9 _4 c$ o! U& g
* A1 J, _/ U8 _ x' F4 i& Yto create-initial-turtles [n turtle-rule turtle-color]9 E8 y# ~: }3 ~" [3 s' K4 a* ]5 w
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
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/ x& ~' j/ Z {5 Q: _8 u. E [ set rule turtle-rule2 ~! W6 J/ O6 |& Q+ m8 W' p
set color turtle-color ] ]
/ t# u+ t0 a) g: W" qend
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8 m# ]8 |" `; F. G( Q[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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