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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 7 A. q+ \ C% g9 h Y% [
to make-turtles$ ]! x/ p- m( r/ h6 }
ask patch 0 0 [
7 K7 b: \9 O8 a2 `8 p2 L; R* s: t# f create-initial-turtles num-random-min "random-min" violet
, \' E# P' ~) s) g7 r9 B create-initial-turtles num-random "random" brown
" D& ?* T% l, ~8 w0 R: e create-initial-turtles num-random-away "random-away" pink
. V9 }* ?& M y& o( L7 f" T create-initial-turtles num-open-min "open-min" blue
$ X; Q: `8 n, H, O# B) P/ S* z; B create-initial-turtles num-open-min-max "open-min-max" orange ]2 }+ ]3 Z3 y2 ?" |5 [1 u
set-common-variables2 k3 J* h1 j# t' @) F E* _
end
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to create-initial-turtles [n turtle-rule turtle-color]
) {# B: B. F+ }! m' B ask n-of n (patches in-radius initial-radius with [not any? turtles-here])8 o2 { v3 s% v; N) O4 }
[ sprout 1
$ j3 R7 m# ], N [ set rule turtle-rule
, V; \" T& t3 D+ S# z3 H; n set color turtle-color ] ]
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4 D# m$ _9 R! W1 b* ?[ 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
