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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 / w( Z/ ?$ q2 d
to make-turtles9 Z ?6 b* z% V5 Y4 |
ask patch 0 0 [5 L) L) A" Q; ?" h2 u7 l
create-initial-turtles num-random-min "random-min" violet
! I' K' J7 n- b3 V& h' Z create-initial-turtles num-random "random" brown
! Y, G7 @; c" c( s create-initial-turtles num-random-away "random-away" pink! x6 n0 u7 s9 H3 H
create-initial-turtles num-open-min "open-min" blue+ | D, r8 z+ k+ n' y7 @9 ?/ M9 ]5 ]
create-initial-turtles num-open-min-max "open-min-max" orange ]# k7 L1 B9 ^+ y% Z7 a) S
set-common-variables
$ ]- w3 h$ }& Q0 e" Z+ q* T' Wend
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to create-initial-turtles [n turtle-rule turtle-color]
% I2 j( h& J: u$ X( F |7 u5 x9 A ask n-of n (patches in-radius initial-radius with [not any? turtles-here])% {6 f) R2 z2 P
[ sprout 1
7 d% e9 _, m- @1 @" N6 P$ K0 p [ set rule turtle-rule( f( D* d0 g. B7 m6 G8 Z
set color turtle-color ] ]
% k2 L3 {7 O8 i; j% y, A2 q' e+ R8 A6 cend
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[ 本帖最后由 etamina 于 2008-4-30 13:05 编辑 ] |
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