turtles-own* d& P/ A% P! q. I2 Z( n$ N1 @
to setup3 F+ p9 O7 ^! Z
clear-all+ D) h9 Y( U; ? {0 F5 D/ D* \- f7 J
create-turtles 100) U! T, E$ Q P
ask turtles [setxy random-xcor random-ycor]: y5 n4 Y" R4 ^
end, d- s$ X6 j1 e0 W' W$ C0 J. @
! Y2 W( [0 L4 o
to go
) V7 h& M, x7 W |7 _+ w$ r ask turtles! ^2 o o- M, z0 ], r
[ right random 360 forward 1]
( N2 b/ H8 y1 z0 m, c& e run-a-turtle0 ? _0 S( x1 t
end ' {5 W1 G( W2 W3 i
( f! w4 s- K0 s# O& ~& ~1 ^# F6 A) d& Xto run-a-turtle1 _# V3 w2 J, w4 R8 q. s, W5 ^
ask turtle i [set color red
' V- D' s) z- P( G0 z; _! T set i i + 1 ]1 ]0 t/ E* K8 s7 Q% m4 m9 ` @$ ^
ifelse i >= 99 [stop]+ ~$ W/ W9 G& @& ], n% O
[run-a-turtle]; }5 C# u& {8 j
end4 s/ r3 }0 q& G0 [2 V+ Y; C
我这个程序就是运行不起,我想随机create100个turtles,然后,让turtles一个一个的变红,这里我用了一个循环,而且一个一个叫turtle变红,我就是用的ask turtle i./ b8 v4 V& e; S! X
最近我都在自己学这个语言,有很多不精的地方,这个程序就是通不过,谁能帮忙看看啊,万分感谢!!!!! |