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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
2 A) f5 ~1 Z+ u% c" K) y1 b) Nto make-turtles
1 X/ k+ p0 x! R7 U ask patch 0 0 [
9 w8 o; W4 D$ N" e create-initial-turtles num-random-min "random-min" violet
v" J! f* w5 W- l& U& n create-initial-turtles num-random "random" brown8 Q& T# B6 i3 _0 k3 B ]2 t; U
create-initial-turtles num-random-away "random-away" pink* z. w8 f& J- A X* ~5 a, C
create-initial-turtles num-open-min "open-min" blue# c+ e$ ~' s, ]
create-initial-turtles num-open-min-max "open-min-max" orange ]
0 y( Y( Y4 q" ~* m6 a1 _6 R, Y set-common-variables+ l- [' D7 f" f' q
end1 w# a% N. j) P+ o/ }: F
V" ]: y' k; ^. qto create-initial-turtles [n turtle-rule turtle-color]- k- u! l! {& X& [( i
ask n-of n (patches in-radius initial-radius with [not any? turtles-here]), L) b+ v0 [9 b6 I7 ^- W- G
[ sprout 1
* c+ z. o, L+ Q) K2 y" u* R [ set rule turtle-rule
' e* O* N. a% Q; V' l set color turtle-color ] ]
: z$ [% u4 ^/ F3 jend
7 d3 r+ [; n: V5 v$ \$ k! d! A& f( O8 n* ?
[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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