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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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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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5 S5 h; Y8 L6 N' M) j' Aturtles-own [a b c d k f g h
; A5 T9 o& v, ^9 F x y ;; these are the leaf-turtle's offsets relative to center-turtle
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ca
; R. ]; b( F7 k+ d1 Y3 d/ ` crt 5 * num_of_building6 p! v) X: E2 |! O8 B# w
ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]$ c% z' ^9 x, y
scatter ;;keep center-turtle random positions
$ D0 @8 |( L8 n0 } unit_plan ;;make up the building plan
3 R8 ~( R4 r: j: d1 _end
. v( h1 U2 H, R. T# lto scatter
1 ~1 [7 u$ k; B5 aask turtles with [remainder who 5 = 0]0 m+ l& {' d( Y
[
. \' Z/ Q1 V# p% a+ {6 e$ @. ^% Jset xcor xcor - 6 + random-float 15
: [% G4 x3 B: O9 h& @set ycor ycor - 6 + random-float 15
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to unit_plan
7 k7 m( f( }1 i' t% r4 X5 Rask turtles [
4 n2 W% L1 u% G3 ]' |9 u8 T( Uif (remainder who 5 = 1) [set a who
{, @7 _. N8 @$ ]0 G* z set x ( 0 - Wid / 2 )
/ q+ i7 z* @1 D/ E! E7 H set y Dep / 2 ]
# }8 p8 L% q O: ^" v set b int (a / 5) * 5, c6 X/ G/ L8 n9 d- v: M6 V- H
setxy ( xcor-of turtle b + x )
$ p/ J9 h( v1 Q! C. k% q* n ( ycor-of turtle b + y )
9 v U. n9 p6 dif (remainder who 5 = 2) [set c who
# }* I( i+ u! g4 P& I set x ( 0 - Wid / 2 )
8 B I% {$ t# a d; c" Y set y (0 - Dep / 2 ) ]
8 r# r4 w) h: ~ I+ z ?& t; k set d int (c / 5) * 5
$ v( K9 u" v5 ^6 v- \( v5 s setxy ( xcor-of turtle d + x )
2 ~$ @) i0 g9 a$ T: a5 [2 G (ycor-of turtle d + y ) & A( D0 O0 H: S d. G
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if (remainder who 5 = 3) [set k who
- G. A* g# T: m+ `, X, D set x( Wid / 2) x0 w2 b7 B, R! q& f1 B
set y (0 - Dep / 2 ) ]
: Q2 Q" _/ ]) F- e$ @- S: N& \/ _. s set f int (k / 5) * 5
; D; A# H: P$ z* c4 M setxy ( xcor-of turtle f + x )6 }8 L6 R4 y G0 p8 t K
(ycor-of turtle f + y )
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if (remainder who 5 = 4) [set g who
' @6 x& T, R# S2 G! ?" U set x Wid / 2 3 k3 W. V1 ^0 C8 U& n- s
set y Dep / 2 ]
3 ^' k4 D0 @7 d9 l, L& U' w set h int (g / 5) * 5, _8 y8 ~; z* C e! V
setxy ( xcor-of turtle h + x )
/ S4 o' v5 T% K; U0 q, ~7 W (ycor-of turtle h + y ) 9 W- c6 V2 b) V9 g
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end
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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