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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
9 Q* T6 k5 ]3 fto make-turtles1 m- S: t7 d% q' X7 b4 e1 N( k
ask patch 0 0 [
' a3 `+ W; P6 D( }1 [5 G create-initial-turtles num-random-min "random-min" violet
/ }6 ~" v; g& i1 Y1 a create-initial-turtles num-random "random" brown
: g* h- B! y6 G+ E9 c; _5 i create-initial-turtles num-random-away "random-away" pink
- i7 z# w& j# d& M1 @, Z9 x create-initial-turtles num-open-min "open-min" blue
) }, ]3 y, r+ i+ I1 w create-initial-turtles num-open-min-max "open-min-max" orange ]
, m$ _ \# x* {3 l2 F4 F set-common-variables
: _+ Z1 _6 N4 F/ Xend
5 _9 G) [3 [# I4 M) I" b: M0 d4 l$ w) m$ R
to create-initial-turtles [n turtle-rule turtle-color]
9 n8 f$ _$ `7 ?0 {+ w- j ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
z j( L+ I$ @3 |# T6 o% L2 m [ sprout 1. g: p/ ?" I& |9 ]# x) s2 ~* S
[ set rule turtle-rule
2 B% Q, t2 t K8 _1 Q; y/ \( M set color turtle-color ] ]) V4 l" l% k9 t9 F! U& r
end
8 H! [( q+ \ g7 |) J* u+ F6 w
[ 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
