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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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# [/ a* e, V7 K) O* j4 {& x5 x* z9 w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 u; E* K8 X0 k5 {6 V' n% L; r
/ J- W8 |, |- Oturtles-own [a b c d k f g h$ e$ K C9 l# a% j2 o
x y ;; these are the leaf-turtle's offsets relative to center-turtle 4 w. ^' W) ~* `1 e/ i s
]+ ? o: d: [: B) [, Q: E+ G
to new$ W' g3 {; u; n( E: q! M- j9 ~
ca- C! m1 S# h0 M7 n B9 f
crt 5 * num_of_building
- c2 v1 E) z3 j- R& j) _- u% a# o ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
& O# k/ h" b9 k1 g% r' V7 p scatter ;;keep center-turtle random positions 3 a9 J( V" E6 M, u ]/ F. g
unit_plan ;;make up the building plan
- [9 E) W$ ~+ }1 p8 Cend) \' j$ t( V" x& {
to scatter
5 ^/ X# Y5 E( k, r' p! E4 wask turtles with [remainder who 5 = 0]
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( k5 T/ A/ v2 Y0 Y1 |! W) Gset xcor xcor - 6 + random-float 15/ p" N! ]2 z6 P h
set ycor ycor - 6 + random-float 151 |4 w* y% G$ r+ {, B
]- Z$ C7 c8 B0 h2 a1 J
end
2 D8 f ^, d% X, w3 @to unit_plan - u5 G( ` ?$ p: H8 W! X$ w
ask turtles [
) ^$ Q. G4 f( ?9 O1 Xif (remainder who 5 = 1) [set a who
+ X' x* O4 j& G set x ( 0 - Wid / 2 )
! t, X U: y; @; _ set y Dep / 2 ]
9 V/ [; C ^- R) Y# C3 e set b int (a / 5) * 5) @5 K+ J: s/ S
setxy ( xcor-of turtle b + x )
5 \! d& ~/ s0 {. _ ( ycor-of turtle b + y )
U8 @5 ^3 e& @, ~) y8 t# t3 Hif (remainder who 5 = 2) [set c who& d) V$ a5 y" [# i$ ?3 G
set x ( 0 - Wid / 2 )
% p# Q7 f: r( w, L set y (0 - Dep / 2 ) ]
/ T! H% ^( U4 y3 z- i u7 } set d int (c / 5) * 5. q3 w2 w* H6 A. |1 t" \; t3 }( F
setxy ( xcor-of turtle d + x )
) U7 ^) l3 [3 ~9 R4 s3 e* O( s/ \# t (ycor-of turtle d + y ) 1 U2 K5 D- b2 ~+ n0 W+ h
4 {% w+ H3 z2 e- j( [: X
3 }: S! U A) d& m8 c* ?if (remainder who 5 = 3) [set k who/ W) M/ l; a) h: g- _1 J) {( h4 m2 t
set x( Wid / 2)
4 g! B8 j8 M3 i5 _* n set y (0 - Dep / 2 ) ]
* }1 \+ d l- f% G, G0 _$ G8 r set f int (k / 5) * 5
4 b) Z5 k- }' v/ Z0 S% Q- ^* A2 a8 [- ? setxy ( xcor-of turtle f + x )$ {, ~5 E7 ?/ N. U4 T: H: m
(ycor-of turtle f + y ) % v0 m1 @9 D9 J) R: [( B' i
5 p4 ^. x% D9 ^( k& ]
0 B) H8 f9 p: }+ N$ h$ Yif (remainder who 5 = 4) [set g who! \# D- ^, ~% n4 d
set x Wid / 2 4 q6 X. d- ]5 T/ z5 V! j1 S% `
set y Dep / 2 ]# t$ p9 J6 n7 Q) P: r4 x9 E1 O; G
set h int (g / 5) * 5
" K+ n% O" X4 y% D5 H$ O+ a setxy ( xcor-of turtle h + x )
( [% P, X: a* J (ycor-of turtle h + y ) 2 j$ S+ y; ?6 F. z# L
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]
: u6 L2 q$ }" D3 k0 cend
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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