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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。" b, @+ p% ?1 L$ S3 J% v* ]
0 u2 V3 K# y5 |8 J( 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。 f, K0 U( j, C2 W2 H# I, H5 I8 B
9 O; Q6 `6 C" } F7 O, Z3 d" [5 Mturtles-own [a b c d k f g h
2 \5 G" Z* Z/ f! T, c( m o6 f0 { x y ;; these are the leaf-turtle's offsets relative to center-turtle
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to new
0 F" E' v& Z; ]1 y' M8 C) v ca1 U* \/ \7 E6 {6 {) {( `9 N* a
crt 5 * num_of_building
. S7 F2 V( r3 x$ T/ |. `" L ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
6 o9 k0 S+ {7 Y: ]! U scatter ;;keep center-turtle random positions 4 Q4 Q- s3 o, H' n( U- A* x% b
unit_plan ;;make up the building plan4 w4 [* Y- Y! q: J
end8 }3 ~$ |) X, Q* ]/ u5 ~
to scatter! |; K9 r6 Q* E. a* h" V
ask turtles with [remainder who 5 = 0]+ l3 Z0 F2 ?3 T/ b5 L; ^2 z. ^
[- j: O8 V6 z) j$ N S# b J
set xcor xcor - 6 + random-float 15. H9 b& Y5 \8 T- ~' N3 o& w2 q: F
set ycor ycor - 6 + random-float 15
% K4 ?9 P# ]& A d2 L1 M( L]
: n* I& `* D) M6 |end
5 L9 Y( O1 z8 F6 U$ X, _to unit_plan
1 m3 {; @. e# }: M' }( gask turtles [
+ @# T( H: t4 E& ?! Iif (remainder who 5 = 1) [set a who
/ \. F" y/ c4 i# g; P O+ \ set x ( 0 - Wid / 2 ) 3 |" t, u' ~3 \" g7 z2 [1 Z
set y Dep / 2 ]; j: a3 ` `6 |2 c8 @# e! \. x( L
set b int (a / 5) * 5
; i+ j$ @1 q) m5 q6 i F! A setxy ( xcor-of turtle b + x )
/ i/ Q, m) ?+ m% r3 N- D4 l2 d ( ycor-of turtle b + y ). I! l s6 ~9 G4 D
if (remainder who 5 = 2) [set c who }& M1 Z2 K; k3 G4 ?& J
set x ( 0 - Wid / 2 ) " V5 R+ e$ m3 P
set y (0 - Dep / 2 ) ]; h: E f: l% Z7 n8 t/ h: R' p$ ?
set d int (c / 5) * 5
z4 G, e ]0 j, Q- u setxy ( xcor-of turtle d + x )
/ o6 E& [' C* J; K0 V (ycor-of turtle d + y ) , m! c1 W# k" Q& E
! ~$ ^# M6 Y' F) `: n
$ {" D; t3 F+ a6 R9 F* ?if (remainder who 5 = 3) [set k who; t" I) n7 K1 ?1 j! ~* l. t
set x( Wid / 2) ! m# {; g3 A( N7 X$ _
set y (0 - Dep / 2 ) ]3 d. k. b$ g6 ]( c( c S
set f int (k / 5) * 52 q7 h/ o; ^0 ?
setxy ( xcor-of turtle f + x )
; F/ |( G7 F' V (ycor-of turtle f + y ) ; w8 J$ B( k* s! u; V( ~3 [
+ X0 H6 D$ e& s' q% Q4 |9 d; \
; d t$ F2 Y( _- @+ ^) i0 w* v' m+ Aif (remainder who 5 = 4) [set g who6 {* [# L# D" g
set x Wid / 2
/ e1 t# k9 g8 E* V set y Dep / 2 ]& C/ {) P$ t: z7 d
set h int (g / 5) * 5 H, A/ |, m; J8 F/ f- k3 w' D
setxy ( xcor-of turtle h + x )
/ M: N' d- o- l1 @7 P; z (ycor-of turtle h + y )
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( r+ t# ^" ^# s* [! b$ l & U; E3 X: Y% K9 W7 q. A7 F, q
]
$ ^$ J8 G( e" E& ^end: o: {7 X" D3 |; k- I$ L) ~
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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