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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。
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% Q( T, J4 V O' @& f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。, g7 w% x( J3 `% E1 `
4 d: s: |( K1 \ v$ J6 Q9 D1 wturtles-own [a b c d k f g h( s$ @2 L4 H/ I) ?& u
x y ;; these are the leaf-turtle's offsets relative to center-turtle ; v6 z$ O0 n3 T, M7 T
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to new
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! P5 T' p6 J0 m8 M% _ crt 5 * num_of_building. E! T9 t; U1 T7 k! G
ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]2 K' q# s. g4 }, G: Q& y
scatter ;;keep center-turtle random positions
1 D1 n6 B0 L8 P# f7 K, t unit_plan ;;make up the building plan5 L/ f& i) x* P% v" T3 V7 k1 {
end+ X) d$ t! [: h2 ?
to scatter
. W, N- c# u' u) l) O7 Mask turtles with [remainder who 5 = 0]& [4 Y# ~$ l# n! K5 d+ e: m. F, c
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set xcor xcor - 6 + random-float 15: n' T* l6 k* m4 |1 \
set ycor ycor - 6 + random-float 15
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end
: {" P6 X4 Y8 h3 K! Ato unit_plan
: M& p2 u5 q1 ~5 P+ `$ Vask turtles [) t- P" E) e9 S3 z2 M) m7 Y/ a/ F% a
if (remainder who 5 = 1) [set a who
) A5 M6 l/ e2 a6 W4 ~/ q& f set x ( 0 - Wid / 2 )
0 s0 A V9 B2 G. i/ f t set y Dep / 2 ]
$ l! g2 ?" \$ P; V set b int (a / 5) * 5! \, H9 c, w8 m! m& c: e( r& {* Y
setxy ( xcor-of turtle b + x )
/ |9 e: E4 s. b7 U c6 z$ ~ y8 L ( ycor-of turtle b + y )
5 c5 y6 ^1 X) G, xif (remainder who 5 = 2) [set c who2 X. X, q0 x; J4 k/ I
set x ( 0 - Wid / 2 ) 1 Y# Q3 d; l" f
set y (0 - Dep / 2 ) ]' S: t3 G& E3 {# d/ E
set d int (c / 5) * 5 [* z4 _% A3 x) {( w
setxy ( xcor-of turtle d + x )' _0 ]6 P2 h. n* O' v) p
(ycor-of turtle d + y ) 9 n0 a! B+ `( W6 J4 F5 U
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" Y/ ~% x; s0 S0 o; W3 F2 y& `if (remainder who 5 = 3) [set k who
& J! w& T$ C4 j7 ]- A6 ^" X set x( Wid / 2) 6 h/ C2 T _$ P7 H7 M" z. W
set y (0 - Dep / 2 ) ]" Y5 _/ \$ B1 t; _2 `3 A
set f int (k / 5) * 5
5 j$ [7 l0 S2 ~( `/ \2 Z setxy ( xcor-of turtle f + x )
& j& ]9 p- p& O" a2 g% ^ (ycor-of turtle f + y ) ) {" A" Q5 M8 T- ?
{1 C5 f8 N P9 g' R$ e
2 L# L1 ] e. k1 T3 b& K" e2 dif (remainder who 5 = 4) [set g who! d5 \7 t( N+ H$ E+ x
set x Wid / 2 $ s' C0 y3 m; T; K, y |. c1 F
set y Dep / 2 ]9 E% s( _: ? n5 K ~* c
set h int (g / 5) * 5) J/ c/ w9 t$ v% g8 O6 J
setxy ( xcor-of turtle h + x )! ~' U' w' Z/ ] i6 b: @
(ycor-of turtle h + y ) ( ~; M% Q' D U* B6 d( U3 ^. @4 x
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]
) C0 ? F- y8 f- G& u0 ?2 o# kend
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; j/ ]- G' H8 R. ^$ y( H y[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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