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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
1 o" } o6 P5 `to make-turtles
2 m% [4 O7 n A# z ] ask patch 0 0 [
& @: Q9 a- B5 E8 E6 p) d* f) B2 k create-initial-turtles num-random-min "random-min" violet* q5 _6 [+ S* R1 u/ n Y, H" d- E" S
create-initial-turtles num-random "random" brown: o6 B* P3 s+ i8 w2 y# h: y' X4 h
create-initial-turtles num-random-away "random-away" pink! E5 j2 }+ h. a* c% K6 }
create-initial-turtles num-open-min "open-min" blue# J9 |) P M5 V2 x/ G( X
create-initial-turtles num-open-min-max "open-min-max" orange ]
7 q" J, P M- ^4 I set-common-variables
& q3 n+ k& n" l+ Q& p& m2 r8 dend# X2 r$ C6 n* H# a$ |) S
0 G+ t2 S; K9 v; z
to create-initial-turtles [n turtle-rule turtle-color]
7 J3 E" s5 s1 h. M( Q ask n-of n (patches in-radius initial-radius with [not any? turtles-here])6 f) |7 B. E+ I1 C1 f/ I
[ sprout 1
2 M. X' @2 ^! i! n/ U. V [ set rule turtle-rule. w: q3 l) R# k& U( \- w
set color turtle-color ] ]
* s9 t2 l& B+ `: xend
7 Z: w5 t, h: q1 N; n
5 b) h( {1 N( p+ g) Z0 V[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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