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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
' v* W5 g& Q+ a' }to make-turtles; r6 a% _* z3 D0 j1 {8 ^
ask patch 0 0 [
" X J6 J0 J5 j+ { create-initial-turtles num-random-min "random-min" violet
& H! ^& ?# Y. `* Y create-initial-turtles num-random "random" brown* [' y2 x8 d0 I+ q- F
create-initial-turtles num-random-away "random-away" pink
O" _/ c$ c7 x8 N8 W. E create-initial-turtles num-open-min "open-min" blue6 J- q, X! J/ X: p
create-initial-turtles num-open-min-max "open-min-max" orange ]
7 c7 `' ~: \) I set-common-variables
^ p+ t# F9 h$ [/ l1 Eend* y+ W" a% \' u9 _4 E
3 J2 l* Z: b0 Q" ato create-initial-turtles [n turtle-rule turtle-color]( X2 v! G! ^ p$ p5 N0 Y; K
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])
- a8 j- q6 r5 n5 R/ N$ D [ sprout 1
- j, _! E G& J* H+ g [ set rule turtle-rule. N$ m& k- Z% r4 B T& m) s2 a' |
set color turtle-color ] ]
. T3 d. H, \( `$ @ w. F" H+ vend
\7 {4 G! X5 |8 f+ {& H5 t& r) K* X1 `; W
[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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