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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 ; b" Y, U$ K9 g# r, y6 a' _8 v
to make-turtles+ d' r. ^* [: e' A$ _! W$ i
ask patch 0 0 [% E0 B6 [- U4 L6 x( p6 r
create-initial-turtles num-random-min "random-min" violet" }0 D6 [4 P. C& {
create-initial-turtles num-random "random" brown6 S, v7 ?$ c7 ]4 {# Z/ U+ l
create-initial-turtles num-random-away "random-away" pink* d2 ]- D$ o; Y" O
create-initial-turtles num-open-min "open-min" blue6 p' P( ]1 u4 u! S. w
create-initial-turtles num-open-min-max "open-min-max" orange ]
" {& |, m% j" ?2 e set-common-variables
9 ^8 |8 G3 P6 D& ]) A, R4 Cend& A! U- t7 w+ H+ j- P. w4 H! W0 w- c/ i
4 G: H9 i1 k) I% U5 E2 Mto create-initial-turtles [n turtle-rule turtle-color]
/ s: P6 d* b9 |$ p" L) a ask n-of n (patches in-radius initial-radius with [not any? turtles-here])2 F: e0 ~" E) r
[ sprout 1
( j( R2 Q' _- i: Y4 A3 G% W [ set rule turtle-rule
1 f) I, y; E9 d6 b! N5 `9 a6 H set color turtle-color ] ]# j) _" K) D- M! z6 j- x1 a% P8 H% N
end
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: A1 c: c G& [$ 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
