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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。) v4 Z! ~7 P& [8 V# h. h9 F
. B: h0 D) }9 S8 k* k
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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turtles-own [a b c d k f g h
9 W7 u& z7 l- D( i3 ]5 w, y# k x y ;; these are the leaf-turtle's offsets relative to center-turtle
* x" n7 w. ~1 D! X+ h4 ]2 X]3 [( @+ r1 T `; {) |1 Q
to new: z, J7 p# |1 ^4 z
ca
' s$ M- y4 b! L2 f% Q crt 5 * num_of_building
1 _, S: b3 l- d4 O7 O D ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]0 e) b! \% x5 W" l' `1 n9 d
scatter ;;keep center-turtle random positions 1 r$ @- i0 L* `# Q. l5 w
unit_plan ;;make up the building plan
0 s' A: z5 z+ V9 N5 F! ]7 I) Dend
1 i5 p# T/ {0 J$ N% k/ {to scatter
& c5 e3 y" ~" Uask turtles with [remainder who 5 = 0]. q4 B& w9 O f! m
[
' G7 b% ^" p" W' [) g! T6 J. Yset xcor xcor - 6 + random-float 156 z5 T7 F3 b# z% p5 k
set ycor ycor - 6 + random-float 15, t& f5 P: U2 `
]4 F" A E0 g5 @& A3 L8 E
end
* m& c+ G. }. N3 D- ^ u$ fto unit_plan ( A- u+ N1 M& U- G
ask turtles [
4 x6 y& t# ?3 `) o6 x6 ?2 `if (remainder who 5 = 1) [set a who
; q& E5 ]8 z! R- @ set x ( 0 - Wid / 2 ) ! q. k: X8 h5 |* N# u: T6 A) ^
set y Dep / 2 ]
3 j! ]% n9 x8 f8 G* t set b int (a / 5) * 5; R. @& H" n& r+ s- B
setxy ( xcor-of turtle b + x )
+ ]( W, D$ c$ y+ \# { ( ycor-of turtle b + y )
" M/ L9 O7 d9 K2 m& dif (remainder who 5 = 2) [set c who
7 D& e2 M0 v' `$ _, p j- Q; O, p set x ( 0 - Wid / 2 )
, b0 k9 k$ v! W set y (0 - Dep / 2 ) ]7 f1 S E6 E4 w" K
set d int (c / 5) * 5
- O e1 r% \) g) m% X9 |! ? setxy ( xcor-of turtle d + x )
9 v! O# n9 p( W4 V& ? (ycor-of turtle d + y ) + a$ I1 B; q' R
2 W2 m0 u) T+ l7 A9 i8 o
9 F* N7 c, c$ p" I
if (remainder who 5 = 3) [set k who
5 H$ u, }; \# ^6 a, j set x( Wid / 2)
! _: \7 T; j& ^& y set y (0 - Dep / 2 ) ]4 T% Z- y- G' v3 m7 i
set f int (k / 5) * 5
o. @# H$ q g8 C1 ` setxy ( xcor-of turtle f + x )( H, X$ n/ f3 |$ M- r
(ycor-of turtle f + y ) ]: d4 ^6 Y @6 v' j( w; P
# x( `* @# R$ E% @$ [
- J: t! W) @$ V: F! V9 i2 `0 c% `if (remainder who 5 = 4) [set g who5 |* J0 n s5 T, ^( s- g
set x Wid / 2
9 z5 q6 U% a" m. K set y Dep / 2 ]( ], y) y* g Y2 o, c
set h int (g / 5) * 5# A2 | d7 a6 ^# V3 _
setxy ( xcor-of turtle h + x )8 n$ T; X- g7 ]0 c; m8 E/ U
(ycor-of turtle h + y )
5 y( K( D1 d5 J6 U/ a- Y/ k8 R ; R! W6 _& L6 [
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]
: x* }% [' ?0 O4 n1 Eend
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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