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我的模型,原意是使得每五个turtle成一个矩形,这些矩形随机散布在一定范围内。6 q0 i# B' C! [, G
& A- M% N7 q2 n& H' p
但是运行结果所有的矩形重叠在一起,只显示一个矩形。请大家帮忙看看。
2 [3 T6 r3 F c: Z, S
+ X4 h8 i1 j( a6 v! s0 S6 b, kturtles-own [a b c d k f g h2 W. q# m; o( o: z: z0 [
x y ;; these are the leaf-turtle's offsets relative to center-turtle 9 W. f1 f/ \& t3 Y6 p
]- q' v: B8 @3 f$ j0 ?) R$ u1 N
to new2 a) b9 }8 \ `, ]8 i
ca- N1 e& i3 o2 D
crt 5 * num_of_building
& \% m% f2 T1 I6 M' }3 \" r ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
% V4 c" _1 `6 j scatter ;;keep center-turtle random positions ; F1 ]( { V9 k% M C
unit_plan ;;make up the building plan; C/ @, f4 u* G" R& `; x
end# t1 U! d9 i6 P: c' s* [' {, I
to scatter
" i( e1 w. P0 V& ~ask turtles with [remainder who 5 = 0]0 F, u; n9 ~2 N- ~3 y- Y5 A
[# m {4 X9 m" J4 Q
set xcor xcor - 6 + random-float 15
' t# |5 y( Z3 R% D# s, kset ycor ycor - 6 + random-float 153 b+ U8 p1 S1 s# j- z6 C* L. {
]2 J) s( x" S% o# J
end
! ^6 y# Q; b, ]" Vto unit_plan 5 Y6 I6 R; C2 t, e
ask turtles [
. @+ d- r( Y% U3 \# S- |if (remainder who 5 = 1) [set a who
9 V. p7 o& i* f: E. |* F! P set x ( 0 - Wid / 2 ) . P8 Q, f1 W8 X3 A8 T ~5 G
set y Dep / 2 ]( z( g( T$ X2 m( W; ]% }, f$ ~
set b int (a / 5) * 5
4 i9 J$ o0 R: K& E8 T setxy ( xcor-of turtle b + x )& W) t6 X6 e! h, \
( ycor-of turtle b + y )
' Y0 x: H7 X3 l- g% n4 S* ~if (remainder who 5 = 2) [set c who6 `" i1 z9 N3 S3 k; ]. L. i
set x ( 0 - Wid / 2 )
4 h, Y9 [: d, x0 U: W) W& H; b set y (0 - Dep / 2 ) ]
7 y( f# t0 ]4 K set d int (c / 5) * 5
; L0 B7 [$ d/ Z2 A* P setxy ( xcor-of turtle d + x )
1 n/ @' ^" k# r; M, r" S (ycor-of turtle d + y )
) c O: Z$ J9 G% D6 K& J - b7 R; j5 x2 g8 Y0 z# `8 ?. E
5 `! V; u$ o5 ~' \% b! F
if (remainder who 5 = 3) [set k who
6 K# g, [( }$ `# {) d7 D set x( Wid / 2)
8 v) `% R8 e. J* s set y (0 - Dep / 2 ) ]0 U8 w, L0 r6 f4 }1 ] [5 P
set f int (k / 5) * 5
+ n# }8 _' D x+ s& B setxy ( xcor-of turtle f + x )
+ E( M ^7 R+ p2 R& E3 v (ycor-of turtle f + y )
& D9 _0 e' }4 F! p
5 n5 H. p- {1 |1 P 2 X( o4 t; d+ u3 K+ z T* ^
if (remainder who 5 = 4) [set g who. ] S$ Y+ ?4 e o
set x Wid / 2
/ \" }6 r- s+ L! ~1 M7 m. ? set y Dep / 2 ]4 y8 } V1 J x k5 U
set h int (g / 5) * 5
3 N8 g% r, E/ C% a2 C7 Y setxy ( xcor-of turtle h + x )- a7 _. I/ _ y0 D: y! U
(ycor-of turtle h + y )
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0 r' n9 j% }+ P- x ]
5 N, H% n3 @+ p+ D% Qend
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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