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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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! R j5 c/ p6 b" J! Q# ]2 @; w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。! v) B+ R$ J) b* j k
q6 X( n+ v% `( }turtles-own [a b c d k f g h. v( K6 t$ V: m& l7 k
x y ;; these are the leaf-turtle's offsets relative to center-turtle
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* c) q3 N! \( `. j1 Dto new
$ c2 ~% {0 ^5 }; |- j. `+ v ca
- b! Q" y d2 E# m8 Q( p7 } crt 5 * num_of_building
& u) N. b! D7 ]+ S9 o& G ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]7 U i4 L. G$ ^" j
scatter ;;keep center-turtle random positions
+ P' r$ s) c% n- ]$ u6 t% p unit_plan ;;make up the building plan8 J( V2 z+ q+ Y* w/ C, L, m& J |
end% ~# P4 |1 \. S! x
to scatter
2 {- `. S: A8 r4 ^8 w7 X) Eask turtles with [remainder who 5 = 0]) X! ` n" F7 j) n
[
6 k4 _! [% F: G+ ? s7 Gset xcor xcor - 6 + random-float 15
. j+ Y, Z' m* i( t. fset ycor ycor - 6 + random-float 15- x4 u2 G- `& W8 J) T
]
! B9 U: N: B7 \3 nend7 u; z, x# V, V& g+ M
to unit_plan
w5 B$ {3 y$ L) {% Dask turtles [
! j- D! N: y$ \! X1 n# k" `if (remainder who 5 = 1) [set a who 4 Y& u2 `: w$ ?; k. _) E
set x ( 0 - Wid / 2 ) 7 J" ?) Y% K8 }4 F D
set y Dep / 2 ]5 |# z( @) `/ A
set b int (a / 5) * 5( ~4 g* b# _9 J; g
setxy ( xcor-of turtle b + x )
# }, z. e& W" v0 l: C ( ycor-of turtle b + y )
& Z. G8 x6 {# B* Sif (remainder who 5 = 2) [set c who) S+ l: g+ Z2 w) u/ X( u; A ]
set x ( 0 - Wid / 2 ) ( U$ P, {5 \: D/ F$ m$ m
set y (0 - Dep / 2 ) ]& B% L0 O) J, }
set d int (c / 5) * 5
3 R ?+ B# g5 p setxy ( xcor-of turtle d + x )# B( K7 u9 \9 F! W, c5 ]9 `' S1 e
(ycor-of turtle d + y )
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) Y# o$ g% E+ y
if (remainder who 5 = 3) [set k who
8 S% ^: l1 p" p" r* \ set x( Wid / 2)
- |* g0 S( G3 C( H* x0 f/ A set y (0 - Dep / 2 ) ]
9 O2 u3 e. [8 V) V2 n7 o$ M set f int (k / 5) * 5" P$ j* h9 o9 I# {( K* `
setxy ( xcor-of turtle f + x )0 C8 u& }: c4 f, k3 |8 s2 z1 r
(ycor-of turtle f + y )
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( J$ S3 o$ W# m- G% f; a- Jif (remainder who 5 = 4) [set g who
) y2 ~3 Z8 i. _; g set x Wid / 2 8 K0 O }- G( q- @1 V2 z, L1 S
set y Dep / 2 ]1 Y3 \6 F! q. A
set h int (g / 5) * 5
; k; F+ f' G! u; j( j; U( M) W setxy ( xcor-of turtle h + x )& G) N* F; l6 U
(ycor-of turtle h + y ) ( R! `- ^; |, b& K+ i5 r, _- I
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end* _ j- m* ~$ S$ L' ^+ E5 Q
l& a& ^0 q* @1 v, B1 Y[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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