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楼主 |
发表于 2008-8-25 14:43:48
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我知道了!
程序写成如下就可以解决了:. Q+ D" z% p, i f& ?
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globals [ a ]& Q* ]0 V. |! ?/ I
breed [As a-A] / O& j: O! a1 _" a% v. W& _
breed [Bs a-B]
% l: @% z0 t( A1 Q7 Mto setup5 I* S" ], n1 { S9 t$ V
clear-all9 E* U9 \. M9 U. ]9 \0 F) m
create-As 10[setxy random(5) random(5) 2 F0 n, B" ]/ L7 ^, v. d5 P
set color 3]
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set a (20)7 [4 @ Q3 V Y/ B0 S% T
create-Bs 10[
! [, |1 _4 i' b Qforeach [10 11 12 13 14 15 16 17 18 19 ] [
9 w+ n" N/ Y$ m( J2 N9 `ask a-B ? [setxy a a
# k/ Q I$ H" B! a) V/ Q$ u) aset a (a + 1)
3 @. G/ Y2 ~4 t" P2 \7 S B# cset color 45
2 I2 ^: \1 a% h4 M4 H3 p] ]
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end" z% n( S4 D9 F7 M( B5 v4 J) k6 Y
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5 s3 \3 S7 Z' u G8 ~to go
) L" t+ z9 f0 d& t' [3 L, o4 Jask a-B 10 [set color 15]& ]. G0 ?( r8 T4 \- u* F7 l9 t
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