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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 # G' K% y2 S& e6 L* v
to make-turtles
2 w( S \! B4 h ask patch 0 0 [$ h- z! @5 V C' c) y3 `
create-initial-turtles num-random-min "random-min" violet
9 z p0 Y# R h/ D! `+ T create-initial-turtles num-random "random" brown8 V; Y; P: `3 y6 t# t5 K+ f
create-initial-turtles num-random-away "random-away" pink
! s7 N) j: o# B1 C, l/ S create-initial-turtles num-open-min "open-min" blue) H1 L/ h; n5 E* s
create-initial-turtles num-open-min-max "open-min-max" orange ]
7 E* x8 d% Z: \ v3 K set-common-variables
; \/ s% O! t3 |3 @end! r1 G( @" T' G5 R/ V" e
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to create-initial-turtles [n turtle-rule turtle-color]/ D3 [ h* e% E3 }
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])+ v3 w6 d, q1 e) B" X
[ sprout 1
" R- } V9 J$ z! u [ set rule turtle-rule
% m% m8 Q( u( f4 Z' i: d" C8 Z set color turtle-color ] ]
, C' P4 t" X& w. f3 |0 T' Tend
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7 Q0 T; F; }! m7 Q" {% 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
