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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 . C9 z3 G, A( T# a' a9 a
to make-turtles7 P, |" M0 w; [3 N
ask patch 0 0 [
% V0 Y: X) m X( a3 X) C( \ create-initial-turtles num-random-min "random-min" violet k& ~0 b, [6 Q/ Q7 _ Q5 s
create-initial-turtles num-random "random" brown
' u+ N: _( X; z1 ^- A create-initial-turtles num-random-away "random-away" pink! T! x+ r9 o* L) t3 M
create-initial-turtles num-open-min "open-min" blue! H0 w7 P! r G& s; Y/ S
create-initial-turtles num-open-min-max "open-min-max" orange ]5 x1 z! G- N- N' N5 D' |
set-common-variables2 Y* T4 ^, q. Y9 b8 J/ ]9 S3 s- Z
end
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to create-initial-turtles [n turtle-rule turtle-color]: A& x# ?; s7 k9 B8 x2 S
ask n-of n (patches in-radius initial-radius with [not any? turtles-here])% a; h) H" G* I
[ sprout 1- E) N. n$ Q- L0 E# h
[ set rule turtle-rule5 R& y! g( ?5 J
set color turtle-color ] ]
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( z2 r# H5 d' C8 Y- ][ 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
