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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 # x, N" _) k( z+ O
to make-turtles6 i: P8 h* V8 g" D) Y
ask patch 0 0 [
s, }* F1 w5 X0 m* A1 r: a* A create-initial-turtles num-random-min "random-min" violet1 _1 ^; K7 B6 E$ Z
create-initial-turtles num-random "random" brown; m- G2 M) q1 M0 r
create-initial-turtles num-random-away "random-away" pink
( G* c3 Y G) R. J" ~ create-initial-turtles num-open-min "open-min" blue4 Y9 R# ?( Y+ T: q
create-initial-turtles num-open-min-max "open-min-max" orange ]1 Y& M2 L# }6 V& G. s' ]
set-common-variables6 \- _" @0 e9 \) Y- r8 v
end
3 E' P" K- H- A6 Q8 ~5 e& t7 M' Z
to create-initial-turtles [n turtle-rule turtle-color]
: r9 i3 g; U- B+ b. a1 x ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
' J e" o1 `, c6 w& k [ sprout 1
$ V7 `+ p% a) @" s/ l7 g [ set rule turtle-rule
0 |1 u7 ]& a1 f1 f2 s set color turtle-color ] ]
0 ?+ ^- r! A6 N4 l& nend$ v) e9 L- j/ W& L- D
& ~' r; T+ ~# {& e/ D* F) @[ 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
