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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 8 ~8 u. k3 ?! t5 K1 Z' h
to make-turtles8 f5 f' L7 i) Y0 L
ask patch 0 0 [
) T/ k: x0 {' _$ f create-initial-turtles num-random-min "random-min" violet9 v. J0 A0 P5 @% v, F
create-initial-turtles num-random "random" brown
6 S9 B. N+ F9 V8 ]- j4 B! G create-initial-turtles num-random-away "random-away" pink
^2 Q9 e r2 i7 W i) \ d, G create-initial-turtles num-open-min "open-min" blue
, M; e' X. r2 `: a! t% v% I8 n create-initial-turtles num-open-min-max "open-min-max" orange ]# ^* A8 u1 a f# ?( g8 ~
set-common-variables
. P0 f' k+ S1 c6 z$ b" Nend1 L; x( `( t ~# {" O; X
6 N+ H, p3 ?: Y) g, R# ]' z
to create-initial-turtles [n turtle-rule turtle-color]4 P( ?9 W+ | }4 g1 l% K, H
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])4 e4 \8 U) }1 a* s: j9 I+ v
[ sprout 12 r+ [" B( p8 ^: D$ ]
[ set rule turtle-rule
8 e: j, ^ j# Y2 h% V set color turtle-color ] ]8 P9 h9 j4 A Z4 m! q9 V u
end
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. s1 Y" S) P" A! k9 p[ 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
