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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。0 X+ u/ Q! {4 d" O7 u/ d# }- v
7 Z) M+ K% j4 Dturtles-own [a b c d k f g h
* }( i% N) z' n6 |8 D4 I* q x y ;; these are the leaf-turtle's offsets relative to center-turtle ; y- ^' P( t/ U3 @9 g' t5 @5 _
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to new+ n `( b' P$ w+ P
ca% h) j) v& ~0 V# ]
crt 5 * num_of_building
2 ^2 S, m5 A7 ~ ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]" |7 a3 I/ D& E1 Q( T( M. l
scatter ;;keep center-turtle random positions : p1 {& U# O; w! I
unit_plan ;;make up the building plan& [8 [) F4 E2 J- O- U# H2 j
end* i" b9 |: `) g" n
to scatter
3 M& d7 |" e; ?# G* w7 @, z& A6 pask turtles with [remainder who 5 = 0]
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set xcor xcor - 6 + random-float 15
( K E- I! Q+ Pset ycor ycor - 6 + random-float 15
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end
# A/ E! v( c; e& ?$ f) qto unit_plan
0 K) O2 c! p" }; t, n$ ~1 P- ]ask turtles [/ Q4 h& p) z; w( u7 u2 Y( A- t+ t
if (remainder who 5 = 1) [set a who
; b6 ]4 W2 C' X' [ set x ( 0 - Wid / 2 ) 8 W, ]- l9 J* E9 j
set y Dep / 2 ]
& P& G% S% ^/ d. W3 Z$ v; f. j6 N set b int (a / 5) * 5
6 z) d( o: ?# { e: f setxy ( xcor-of turtle b + x )1 a- E) l# O5 h9 ?: t) b! p
( ycor-of turtle b + y )
% R( z1 I* V% g9 ~if (remainder who 5 = 2) [set c who
) T# @$ k# N2 F# Q set x ( 0 - Wid / 2 )
. O! I% U# V& i5 k, ?# J3 V6 m- [ set y (0 - Dep / 2 ) ]
6 o- c7 i$ j0 F- A4 d* W3 R set d int (c / 5) * 5
7 N/ h `. R+ O/ f1 o2 f setxy ( xcor-of turtle d + x )- E4 S: _4 Y& h8 D
(ycor-of turtle d + y )
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0 q& l0 P" Q: U# ]1 Z+ oif (remainder who 5 = 3) [set k who
: [; L Q4 {7 c p: P' O set x( Wid / 2)
9 a8 K W& A$ b8 v/ n V g set y (0 - Dep / 2 ) ]
/ j0 c6 x0 M1 a" l/ g8 ]" D set f int (k / 5) * 5
' q6 d5 r. F7 Q! d setxy ( xcor-of turtle f + x )* u2 j9 {4 f# t$ m5 T2 f
(ycor-of turtle f + y ) ( P' ~0 `( Q) ~( u# n$ }) y
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if (remainder who 5 = 4) [set g who o* _% W @* s0 B. k
set x Wid / 2 $ ~9 F0 }5 \# U# ^. q
set y Dep / 2 ]7 [7 m- I6 e: s: p/ A3 q- L% V, ~
set h int (g / 5) * 5
. h/ O7 c0 a0 F# s+ e, b! H' o setxy ( xcor-of turtle h + x ): B+ c, N& t) n. ]) v
(ycor-of turtle h + y )
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]
5 h ^6 N* A) ~end
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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