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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。1 _- m4 c) u7 D4 U
2 O0 i+ r, ^# f% |7 i- z' ?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。
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turtles-own [a b c d k f g h7 d$ T3 M* [# a+ Z6 T5 L
x y ;; these are the leaf-turtle's offsets relative to center-turtle
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to new S! U O0 s8 N# z% F9 H
ca
' b; V. Y- E3 J' W6 P* S crt 5 * num_of_building: G f( h E( d! c* U
ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]' d# `: B. p& Z7 y) e- R
scatter ;;keep center-turtle random positions
- y+ R. e* c' L2 B unit_plan ;;make up the building plan
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to scatter
$ g9 y( ] z8 f% K _ask turtles with [remainder who 5 = 0]
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set xcor xcor - 6 + random-float 15
& `5 ]. b0 Y K. f/ R A$ Gset ycor ycor - 6 + random-float 15: ]/ r( [; y& R5 O) @8 Y/ L' t6 \* d$ l
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end
* `9 o* n g$ b4 X; bto unit_plan
! ?' ]8 z+ u) s; |2 Xask turtles [' l% }) c& }! r: r8 h3 ~7 @2 E4 |
if (remainder who 5 = 1) [set a who
% N N4 U( j2 p: N. ` set x ( 0 - Wid / 2 ) 0 W4 N: X- ?6 H5 |4 C
set y Dep / 2 ]6 l- c& G) H5 g3 A6 q7 C6 [6 x) D
set b int (a / 5) * 5
( e+ d4 J( P9 c( o setxy ( xcor-of turtle b + x )
; Y. ?+ w# f: K% \% S+ J1 r" ] ( ycor-of turtle b + y )
" @. J* N# a, X9 G5 pif (remainder who 5 = 2) [set c who
- A$ x) s5 C) v8 H set x ( 0 - Wid / 2 )
+ v5 e9 `$ S5 g, T$ F& V7 o" z set y (0 - Dep / 2 ) ]& U8 M4 v) q) U, K8 n1 _ [
set d int (c / 5) * 5& q h3 X& j" ]; }
setxy ( xcor-of turtle d + x )
" M" ?' J+ S( a# ]- h2 T (ycor-of turtle d + y )
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4 E* y2 V8 M2 A' L- Bif (remainder who 5 = 3) [set k who: N! ~- D; `! l% }) I& A/ h
set x( Wid / 2) 0 Y# L& b" _/ E: @( O7 |
set y (0 - Dep / 2 ) ]
2 o4 w& i/ t* M# s4 b+ m. v set f int (k / 5) * 5. t/ Q8 T% @" T: e3 \( u
setxy ( xcor-of turtle f + x )
; T; v/ O1 {3 f- P" M. P (ycor-of turtle f + y ) - _& i9 j6 y4 Q, O( B1 t
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3 b/ `! F: H n4 j' c! }% {1 [9 Cif (remainder who 5 = 4) [set g who
* d' t9 v( j# ^4 o( s k set x Wid / 2 ! r2 w2 W: o+ Q' V u- P+ N" g
set y Dep / 2 ]
) `: k- f9 [' ~2 M" D set h int (g / 5) * 5
7 \! _$ \9 C. R8 ?5 @" o2 }# P setxy ( xcor-of turtle h + x ), }( y# ?2 t/ ]. [+ c- D% ^
(ycor-of turtle h + y ) ! P8 }5 |5 D! z, o
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end
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; p6 Z1 H3 O0 l1 `[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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