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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。9 b9 R9 p3 b( ~: {) @7 N
0 Z6 ^2 |% m% J: D M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。
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* I+ r9 b4 | o# H- L0 _turtles-own [a b c d k f g h
8 j# a) D+ l/ I x y ;; these are the leaf-turtle's offsets relative to center-turtle 2 M1 m8 K) L. Q( @( R7 v$ Q
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to new8 |* V7 ?) g# Q3 K( R
ca9 f% I! _. @0 _* V2 E3 ]6 N. k
crt 5 * num_of_building
& s9 u2 c0 u1 z! z8 d1 K ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]% V/ h& M! `; j* p
scatter ;;keep center-turtle random positions
. k. P- M2 }5 M5 t unit_plan ;;make up the building plan
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to scatter
8 ^2 s3 z+ ^. n2 o, I* P/ f, Wask turtles with [remainder who 5 = 0], A, \0 U( S, e5 q
[
, i' _( N, ~$ M5 cset xcor xcor - 6 + random-float 154 }0 l; x! A. ]8 y; n
set ycor ycor - 6 + random-float 15
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end
( j V' `8 N2 O* [to unit_plan - c" _. [, ]# L& `1 l
ask turtles [% V0 b7 d$ d4 E* C, u
if (remainder who 5 = 1) [set a who
! M9 t5 e; O3 p9 ]5 [" P; d$ u set x ( 0 - Wid / 2 )
) l& m/ |2 ]: Q: q( k% X set y Dep / 2 ]
- Y- o1 |% k5 m4 m' ] set b int (a / 5) * 5
# ?; o0 q1 T& h setxy ( xcor-of turtle b + x )
/ Q9 L2 v) [. s4 j ( ycor-of turtle b + y )" O2 Z, Z1 t* B2 @' G3 G1 B
if (remainder who 5 = 2) [set c who0 r8 x% V! z" \8 c
set x ( 0 - Wid / 2 ) 8 V) ]8 O, S4 ]
set y (0 - Dep / 2 ) ]# L) e5 B0 g1 b+ }
set d int (c / 5) * 5
" U: }, G! @3 P setxy ( xcor-of turtle d + x )
1 _5 s* T7 _8 Q' _6 J/ P; m (ycor-of turtle d + y ) 2 ^+ B1 p% a* K. H( X/ U K( o. z
9 x0 {/ ]# T+ B8 R9 w- e8 } * Z8 T$ ^0 O; W
if (remainder who 5 = 3) [set k who3 M3 Y: i! g7 z1 F ~5 P+ G
set x( Wid / 2) 2 o4 w$ t; i' b B. H
set y (0 - Dep / 2 ) ] q+ K) r( G1 z, W/ J# q( L
set f int (k / 5) * 5
3 @) i% g) l- U setxy ( xcor-of turtle f + x )% r; D: N8 y: b' B
(ycor-of turtle f + y ) 1 b: \3 r0 s/ F
9 B% k" @8 E3 v$ T+ r" O! l f 8 C R# q6 }. t/ s2 s
if (remainder who 5 = 4) [set g who* U( |7 {4 x( w S8 r
set x Wid / 2
+ G( G: Y/ V2 W' D. x! J P set y Dep / 2 ]4 c+ P' R: G9 X
set h int (g / 5) * 5
" g+ q6 [! ~5 ^$ e5 d setxy ( xcor-of turtle h + x )" m7 @, g% v* x/ G d# t% E8 h0 R
(ycor-of turtle h + y ) $ p" a- F3 y5 k9 u
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]
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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