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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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# M1 B( t% i6 s! ~9 X- p% N$ W+ j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。! @) h+ N' J \
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turtles-own [a b c d k f g h9 S% p, o. e# C1 I0 `( T) L% S: w
x y ;; these are the leaf-turtle's offsets relative to center-turtle 1 }7 q+ ~4 _+ z/ y. k* j4 N
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to new
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crt 5 * num_of_building
O; Z. Z j$ l8 c# Q% U ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
* D6 z2 m: u3 x3 o. B/ u! C; I7 } scatter ;;keep center-turtle random positions 2 V) h0 ]3 E' X' i
unit_plan ;;make up the building plan
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to scatter
& J s6 {$ R0 U( w, ]ask turtles with [remainder who 5 = 0]
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3 j* e8 W3 g: H& L* s/ f6 mset xcor xcor - 6 + random-float 15: L; c4 s; Y7 s! @1 w2 R D
set ycor ycor - 6 + random-float 15; @" ]9 ]# t/ l5 t( u9 I& ?, C
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end
" Q& v# O0 F' Pto unit_plan 4 Z; n7 f D; k3 N$ V
ask turtles [ e' x8 P5 w- V7 q+ I8 m' P
if (remainder who 5 = 1) [set a who
% g$ k9 b2 l3 m0 }" b$ ^ set x ( 0 - Wid / 2 )
5 H. \ Y0 w9 L7 ? set y Dep / 2 ]
) ^6 n. G4 G$ R3 z- N$ p- m# b set b int (a / 5) * 5
3 V: i! F$ [6 p1 s: ^ setxy ( xcor-of turtle b + x )# q$ k6 M8 R: i7 h }$ u$ D2 V
( ycor-of turtle b + y )
% a& c9 c! z |! {4 tif (remainder who 5 = 2) [set c who% O$ V) y% [6 l& P- O) `
set x ( 0 - Wid / 2 ) ' b* Z: K3 i. h
set y (0 - Dep / 2 ) ]
0 P2 n/ h; T% N8 `1 d' t set d int (c / 5) * 5
, u3 ~6 d2 W2 f- v' ] setxy ( xcor-of turtle d + x )
) n' x" {. h. U" V (ycor-of turtle d + y )
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if (remainder who 5 = 3) [set k who) b) F& S$ f' e+ L
set x( Wid / 2) u$ i) i$ w3 r9 a- U
set y (0 - Dep / 2 ) ]
: m6 s. u& e/ U: J& g set f int (k / 5) * 5* z6 c& n) M, E4 r# F8 i
setxy ( xcor-of turtle f + x )6 E3 U, \/ i3 y
(ycor-of turtle f + y )
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! X+ P: G- ~# g. k6 s7 rif (remainder who 5 = 4) [set g who4 w' U" c2 K; w" R9 v
set x Wid / 2 * t; G# `, Y% Y3 {8 l8 {: ~2 M
set y Dep / 2 ]: J3 l1 r3 F. @* V% g3 l
set h int (g / 5) * 5: S2 Q: W0 O! i% _
setxy ( xcor-of turtle h + x )
( y8 p0 f( N7 T/ }( y (ycor-of turtle h + y ) ! G& G. l8 I4 A2 |# w
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]
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# s8 S, r9 t0 g& S7 c& r/ b[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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