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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。; I3 e7 `1 c& i+ n2 p. y4 b
" }: p6 P3 _0 ]' h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。1 ?# d6 E$ ^# p4 i5 k V
% U1 D4 z) g: S9 h% M! r1 Gturtles-own [a b c d k f g h
2 ]9 Q! c/ L$ K9 y x y ;; these are the leaf-turtle's offsets relative to center-turtle % ~0 b# t* w7 h4 @1 A# N
]; _: {+ P: y0 S
to new- j$ O2 u3 z, k# ]& O/ \6 G# |/ m% P
ca! w/ E/ i4 ?; O; o( c+ E7 V3 H' x
crt 5 * num_of_building
3 m: [' t F: G" A% ~0 j ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]" e/ ]$ p3 M8 k. d, p8 b
scatter ;;keep center-turtle random positions # E/ ^3 ?0 \! M/ W7 U8 f
unit_plan ;;make up the building plan
+ X9 R: H' m h* ~. hend
6 M/ U1 C! S7 mto scatter
, i' }( f7 i E9 t$ uask turtles with [remainder who 5 = 0]
' R6 }+ N* n, }6 z9 k& H0 q A" V! L) `[
b' k/ S: ~- Dset xcor xcor - 6 + random-float 156 @5 e% N& Y- ]/ K
set ycor ycor - 6 + random-float 15+ ^; I% a7 f) h$ e
]
; ~# \( x+ L, f6 A- H7 v; g) _( Lend
2 ]& b) @; B) J1 v7 Hto unit_plan , F6 N; S( L& `
ask turtles [+ m# {# D9 H" r) I- b$ I1 S9 \+ Q
if (remainder who 5 = 1) [set a who ) S0 C' C) u* U2 ?4 y2 P6 R
set x ( 0 - Wid / 2 )
: M1 B0 H1 X8 r! J# p set y Dep / 2 ]/ f+ h6 l5 r9 S' @ G4 ?7 N
set b int (a / 5) * 5
% b& f; \# l- B) P setxy ( xcor-of turtle b + x )
1 W. P7 n' y5 O0 I7 K' z ( ycor-of turtle b + y )
/ f$ H) f8 ?5 _% F2 j+ e7 ^+ [* Hif (remainder who 5 = 2) [set c who3 s- [! {" R6 v& C( x h. w( C
set x ( 0 - Wid / 2 )
8 F4 _+ V3 y# @# t. I/ w set y (0 - Dep / 2 ) ]
) r- P6 Y0 w$ p1 m: a set d int (c / 5) * 5
; [6 P3 ]0 o/ _- K! ] setxy ( xcor-of turtle d + x )/ w; Q' d. `7 u7 l3 m/ A7 f$ r
(ycor-of turtle d + y ) p/ W% w' X2 M$ n0 G
6 U1 g' z6 G+ ^
! |0 x+ I1 _9 V0 D4 Wif (remainder who 5 = 3) [set k who+ l! ^, i% j3 Q5 A- b: F
set x( Wid / 2)
; }) A8 Z- e! w5 ?% a set y (0 - Dep / 2 ) ]
+ _. ^1 y g) c4 G. ` K/ U set f int (k / 5) * 5
. S; u4 y2 K R. A& D$ w, E& B setxy ( xcor-of turtle f + x )
: g$ c* N g8 g! }; j# p- J (ycor-of turtle f + y ) 3 y. K3 n, ~; V: ?- o) p8 b
6 }- f# r( L U, X9 p
; {: m1 p8 x/ a, k* G9 N- q0 dif (remainder who 5 = 4) [set g who
# b$ l- A6 z: j2 O, Q) m0 |- ~: R- j set x Wid / 2 6 f; B8 R9 |7 R9 L K
set y Dep / 2 ]
5 R8 X* m; o7 Y9 j) I s2 g set h int (g / 5) * 5" X: {& g. O# V8 \
setxy ( xcor-of turtle h + x )) V5 Z" A. H# x. ~* n/ x
(ycor-of turtle h + y )
4 j) c% j: u' z
+ v! L. t" ?( p- e7 [ ?* j1 P; g 4 M& H; }! J- q
]
# N. w. i4 ]. P' y+ F2 Jend5 X* k" |! Z9 y. ?
8 T2 l; \$ S, ]. C- d) h[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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