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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
. C& T) @& ?. g: j0 Z! k# Yto make-turtles
+ ~, W! d. F. g ask patch 0 0 [2 {. _% ?& S, P- \( T
create-initial-turtles num-random-min "random-min" violet) x$ v6 r8 a/ @7 M! G9 S2 P
create-initial-turtles num-random "random" brown- \% \: w9 W& U: i
create-initial-turtles num-random-away "random-away" pink
4 ?1 s" N9 p% \0 G! g" N0 t create-initial-turtles num-open-min "open-min" blue
, {/ w+ j/ [7 B" R: V create-initial-turtles num-open-min-max "open-min-max" orange ]
$ I7 q4 G( s3 X+ Z5 d; O- J* z set-common-variables
3 e$ L6 f6 P- ^+ gend+ T; I+ C R2 Z% o, j5 B
" a, Q ]7 |: b7 S: M5 mto create-initial-turtles [n turtle-rule turtle-color]
3 y' d9 f2 M5 q6 `* _ ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
' X0 H, }( {5 ] [ sprout 1- f% X$ p( t+ B) D
[ set rule turtle-rule4 m" G8 Q( n% Q3 t
set color turtle-color ] ]
0 b1 q* f4 m- i3 O8 ]' Lend
; q( _5 G. z- A1 W, l5 D; a0 \& a; v f" i: j5 I$ l
[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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