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发表于 2010-5-9 20:07:31
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to go, n' H7 I$ B3 n" o7 R, p5 p/ R0 j
ask turtles [if any? patches with [pcolor = red and not any? turltes-here]
2 X, J" @- a7 L# a! V9 j( b0 a' x* C% Y; K6 ~( D
[move-to one-of patches with [pcolor = red and not any? turtles-here]]
$ C2 j, }' P- x9 N% @[move-to one-of patches with [pcolor = blue and not any? turtles-here]]
1 r. Q( m- {+ o2 Oend |
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