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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
) |& [$ g8 u/ F( @2 X1 }# jto make-turtles
$ Y1 v$ \$ e% a$ h& p ask patch 0 0 [% }, |" u# P$ W$ p& {
create-initial-turtles num-random-min "random-min" violet O7 X8 S2 G9 n T
create-initial-turtles num-random "random" brown
: M7 P) A0 G; Z* [8 X create-initial-turtles num-random-away "random-away" pink
! C) O7 E1 Z# q( |- b) p8 Q" c; H( \ create-initial-turtles num-open-min "open-min" blue$ a/ }- o% u) E: ^& Z3 |
create-initial-turtles num-open-min-max "open-min-max" orange ]% p3 O0 K4 M# `) N- ~- M0 l
set-common-variables. \+ O4 i( T+ z( y7 \) _
end! b1 g4 f6 ? D& F6 D# Y
7 T* q6 N7 U7 |* N; S* Rto create-initial-turtles [n turtle-rule turtle-color]
1 r' V8 S, f k6 Q ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
% N6 M0 z" G2 s! d& w& ] [ sprout 1
" F8 S# u% X+ T/ \& T$ z- h [ set rule turtle-rule# L9 { t( g5 n( h$ r) F+ X; U
set color turtle-color ] ]: b9 a& v% K7 W) o1 q$ `
end
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[ 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
