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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。+ a: @7 I4 f8 Q) ?" o" {/ d* f8 `
! V# T- Z9 M$ |( ]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。
' G9 Y3 M8 O# _6 L$ O; [& O& H) }& n: c# X
turtles-own [a b c d k f g h
* X) }- K( _# n4 O x y ;; these are the leaf-turtle's offsets relative to center-turtle - ?) A* C, r# W i' K
]
9 L( Y% r9 J4 k: D# Sto new
6 L1 x! W8 Y" B1 w: o+ j) z ca! B7 p) F5 F; \4 a3 @' ?4 L7 c
crt 5 * num_of_building
: {/ T- }' W2 f* C+ ? ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
, p) {0 ~% ~3 q+ S& i) y9 E) R+ Z scatter ;;keep center-turtle random positions # Z- r4 q& B& m$ D g' B! ^: o( p
unit_plan ;;make up the building plan2 {; K! X# K9 v; s
end6 K7 r9 X) ?) ^) X; ~1 u5 S
to scatter
3 K$ u; ^7 o2 d3 W4 [2 b5 Mask turtles with [remainder who 5 = 0]! y. D+ V: z! L# s- L
[( B7 N0 A2 n& l" p
set xcor xcor - 6 + random-float 15
6 g; S/ E8 o3 u, f) ^" o! J. qset ycor ycor - 6 + random-float 15& ]( R9 r7 q: |0 ?3 q+ N: y
]
# o. U! V0 M3 }* g* Dend
- u8 W2 g- ?( h. {" c/ q* A1 gto unit_plan
/ P! w6 K/ }' }( C7 `6 r9 S9 q" M% Hask turtles [5 m3 c. {3 t5 l2 G: v; x. t# F
if (remainder who 5 = 1) [set a who
0 H- T/ ~. ^( a4 `) ? set x ( 0 - Wid / 2 )
1 _5 O+ x1 d! J set y Dep / 2 ]1 p" U9 G( s7 N8 [% k5 _1 g9 w
set b int (a / 5) * 50 a/ l, W k: o( E
setxy ( xcor-of turtle b + x )' L: Y/ C: q- x% ^
( ycor-of turtle b + y )
+ O% x: z9 P- b* sif (remainder who 5 = 2) [set c who
& f; y2 q9 e! A0 }7 ?% _ set x ( 0 - Wid / 2 ) / d1 x; }- G3 b1 b1 g
set y (0 - Dep / 2 ) ]6 ? k& @- [" |6 e$ Q y2 C# t
set d int (c / 5) * 55 K( T7 c; g1 P
setxy ( xcor-of turtle d + x )
; { _" A d8 n (ycor-of turtle d + y )
% Z7 X0 q: l4 f( Q$ j* [4 a
( t3 k% ?7 ?5 r0 q6 F
8 ?+ T8 w* R4 y& ~' F( p. qif (remainder who 5 = 3) [set k who
( ~+ g# F" }. w set x( Wid / 2)
% o$ h/ Y/ s; W. T8 D set y (0 - Dep / 2 ) ]8 `( F8 U0 ?! Y% u ?0 X: Q
set f int (k / 5) * 57 G S$ _0 X5 Z& e2 M5 p* a
setxy ( xcor-of turtle f + x )( A' I( N. f$ J) k U
(ycor-of turtle f + y )
& J, I/ F- R) V7 m! i4 v! G 2 _' Z2 f6 F, L4 i9 C& w
8 b5 ]: B! W6 I7 C" X7 T9 W5 Lif (remainder who 5 = 4) [set g who
, O1 C2 b' _' {9 h8 d" y. b/ j set x Wid / 2
7 `! G. Z9 N9 T$ q. J. O% a2 V1 P, X set y Dep / 2 ]
1 s( I9 Y) b/ p, B) c set h int (g / 5) * 5/ l$ \ ~6 s& y8 a4 Q, l6 Q% @2 [
setxy ( xcor-of turtle h + x )
! l: s% Y- ?0 x3 t4 A) j E (ycor-of turtle h + y )
3 z5 u+ ^& | j 4 r- x, c, E5 d( S* v
3 x7 r# s {$ O2 h" W p, ?& L ]9 }/ ~7 D% ~( A
end2 G% B0 i6 x3 [( |
: O2 @ d5 N2 H3 ]& F# l% H[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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