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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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( d) ?# k0 H8 {9 u! F( E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。) F' u; g1 D5 B2 ~1 o& z- I% v- v
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turtles-own [a b c d k f g h
% E5 \# n8 C, u3 D. {! j x y ;; these are the leaf-turtle's offsets relative to center-turtle , f- X! r; \1 E) m: `
]
, z, A6 n5 [' o* _to new
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crt 5 * num_of_building
# n& A( l) y5 d/ P! l5 y ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
1 y m) a& R9 y2 w% {: B7 `. L scatter ;;keep center-turtle random positions / X$ P. O. Q. i$ b& i$ s% i @3 i
unit_plan ;;make up the building plan1 b4 U3 u. l* K- d* O0 C
end) z! I' \7 [( t. C* F
to scatter
/ p7 V! `* }8 u7 s( aask turtles with [remainder who 5 = 0]9 }5 [# q6 A- m
[
+ F0 a" |; p4 N! d3 q E% R' rset xcor xcor - 6 + random-float 15* e+ Y/ r6 H+ P& \0 m
set ycor ycor - 6 + random-float 158 X# ~- [7 B0 w) b, h, l( V/ u
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end7 W3 \8 z# [2 z) ?( {8 `
to unit_plan
2 R3 `/ x" ^9 ?; yask turtles [
$ W( k0 d; }* K3 Q1 A6 lif (remainder who 5 = 1) [set a who " y7 i1 [* A9 z u e
set x ( 0 - Wid / 2 ) 5 ^" w6 | G) a: U2 `1 _
set y Dep / 2 ]
) H; [* m1 y. [- L8 U) y7 ?. N set b int (a / 5) * 5, Y/ g8 A( u$ W3 D8 u1 s) y" m1 R
setxy ( xcor-of turtle b + x ); z' O3 Y4 s4 x: c# h) f
( ycor-of turtle b + y )
6 E1 M1 {8 M9 o7 R4 u x- Bif (remainder who 5 = 2) [set c who4 G& U, }8 j1 S* @
set x ( 0 - Wid / 2 )
$ p0 O6 q' p; n! W* X- H set y (0 - Dep / 2 ) ]
; g9 V9 T: d3 S' | set d int (c / 5) * 5# b8 [8 V* O7 a$ g! i
setxy ( xcor-of turtle d + x )
; g9 ^6 Z: J* |8 R, N3 q (ycor-of turtle d + y )
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if (remainder who 5 = 3) [set k who2 S; P( P( R4 W% v/ c& N% f2 p& a$ J
set x( Wid / 2) # A3 X1 C! B2 G
set y (0 - Dep / 2 ) ]- o5 p6 i% W4 D! J
set f int (k / 5) * 5, \ Z4 A& v9 o
setxy ( xcor-of turtle f + x )" K( T q7 v$ l7 R# Z5 V) Q- ]
(ycor-of turtle f + y )
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8 g- V5 i6 Y) Z9 {if (remainder who 5 = 4) [set g who; q5 E7 R( C5 U2 F$ i
set x Wid / 2
6 G0 a, x& ?" A6 U1 R5 ] set y Dep / 2 ]/ i& F5 d+ Z. Q3 g F" j
set h int (g / 5) * 5/ B' f0 G$ R4 Y6 V' ]$ ~# b4 U
setxy ( xcor-of turtle h + x )
2 Y0 j# |6 c$ [6 A' t, q4 Q2 Q (ycor-of turtle h + y )
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]
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6 _" m. `( |% g. u* S* Q[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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