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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 A$ z @" Y1 Q- D/ M
to make-turtles" {! L- H5 y1 |) C! S: ~
ask patch 0 0 [9 k: y1 w3 T% t/ A
create-initial-turtles num-random-min "random-min" violet% L3 P9 d( h: r' b9 H, K3 V
create-initial-turtles num-random "random" brown
, O3 E2 Y- L5 \0 b create-initial-turtles num-random-away "random-away" pink# j2 i6 b, w+ }1 D0 J) T; c: ~, \( S. V. I
create-initial-turtles num-open-min "open-min" blue; g( G) O4 e" R8 K$ r
create-initial-turtles num-open-min-max "open-min-max" orange ]/ C, G% M" N0 ~/ {: G4 h( z1 \5 B
set-common-variables
! K+ V3 x# h0 Send
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to create-initial-turtles [n turtle-rule turtle-color]
/ D$ Q8 |! w* Q ask n-of n (patches in-radius initial-radius with [not any? turtles-here]): ~% z6 `3 | @" F7 z j7 b6 L+ `" x, u
[ sprout 1+ M( J$ m- t+ T' @( x* R P# W
[ set rule turtle-rule
) r* d. }' [# |: P, {% h; u7 q- I( A. E set color turtle-color ] ]
3 z5 W' Z2 T. M: j8 c8 f8 @- ~end
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/ ]! m+ l: j. r& I4 n[ 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
