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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 H! v! @ z1 X" S# b& R
to make-turtles# N+ f$ c9 ]0 d0 }* t
ask patch 0 0 [7 P* M' v: o; Z- |4 z0 v5 D; a+ `4 O
create-initial-turtles num-random-min "random-min" violet8 f! ^; ^! C: ~2 }: b2 F$ F. u
create-initial-turtles num-random "random" brown7 m: B# G8 Y5 u( `* T" ~6 q) j# @) m
create-initial-turtles num-random-away "random-away" pink. ^3 G5 s! N4 q* M" Y% b
create-initial-turtles num-open-min "open-min" blue L u) _; G+ ^
create-initial-turtles num-open-min-max "open-min-max" orange ]3 J: m' u+ R* z" t- F1 m# Q4 N; E% H
set-common-variables
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% ?$ q* Z" s' Q% o" A
to create-initial-turtles [n turtle-rule turtle-color]4 ]2 ^; F& Y9 q! r
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
$ u1 a# t- R" `; q1 A% `7 O [ sprout 1
" v# J# ]- U6 q9 G, N' ~. h9 {- }( c9 P [ set rule turtle-rule
& z2 W# l- U7 k set color turtle-color ] ]+ v$ S ~$ |, x/ K( p
end
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& _0 }, Y" N; b2 l# ~[ 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
