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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
- A/ S# V. {" ~! a2 q% J) J4 j& rto make-turtles, X+ x& o9 s5 k. y9 L d
ask patch 0 0 [
- I5 p8 P0 G' X+ l& E J# i9 o4 ?' n create-initial-turtles num-random-min "random-min" violet
I) J& Y9 ?. ^( W6 l; o create-initial-turtles num-random "random" brown) J' b5 z4 x+ U8 J4 z
create-initial-turtles num-random-away "random-away" pink
/ U8 k4 N" j. n/ J9 t create-initial-turtles num-open-min "open-min" blue
x* {/ s. l& ?9 C" o! g create-initial-turtles num-open-min-max "open-min-max" orange ]
2 u& ~$ `+ P9 b6 M R9 x set-common-variables
- W$ `/ O8 ~2 c$ T- k1 b& r1 Zend& e. p: t& h. M3 [" ^. N
+ I/ n( H- v* `3 Q& `& P( w7 [; Ito create-initial-turtles [n turtle-rule turtle-color]
. B, v: J3 h, Q8 o# F ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
3 ~" {/ F5 \+ }& O2 R [ sprout 1) m- ^, j, n0 [: b1 C6 `% X
[ set rule turtle-rule
5 B6 w! \/ ~( } c4 o8 C set color turtle-color ] ]9 V" M2 U$ S# p7 y/ \9 v& f" O
end f4 k' ], V9 I: { T/ h
, |! Q3 c& Q! o[ 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
