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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。% Q4 @9 |; h* u- }( ^9 X0 [
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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。' w' E, k$ |0 z
?8 o. U, U6 y) o% aturtles-own [a b c d k f g h5 Q/ p. G2 g9 c% v5 S
x y ;; these are the leaf-turtle's offsets relative to center-turtle
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0 ?) v0 v- ]6 q) Y' A6 @* g C9 Sto new- ^9 ?- ?* z( @! e
ca
) y+ H% a8 ~& j; \% }1 Q; r' q( I crt 5 * num_of_building
% q! ^: w( a" p* J) W ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]1 _1 K/ h5 j0 D7 D# a u; r
scatter ;;keep center-turtle random positions
! U% u6 B' ?0 j6 i& X0 @4 e- f# o unit_plan ;;make up the building plan; u1 J: h6 i, J0 F" ]7 T
end L+ ~8 H; C& h4 ]* U8 s1 y, E
to scatter
5 I& v; \6 g4 B+ n+ Q( Hask turtles with [remainder who 5 = 0]: L7 V0 N. _5 w
[
( }6 O0 }1 `4 _/ j" m& Jset xcor xcor - 6 + random-float 15/ b+ o1 P" o; Y0 c0 u) Z( [
set ycor ycor - 6 + random-float 15
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to unit_plan
3 C; p* H* U H* G: Nask turtles [! h" U+ b0 {4 `: `$ L* Y! F
if (remainder who 5 = 1) [set a who 6 v9 t- f& Q0 ]! Q3 |& {
set x ( 0 - Wid / 2 )
4 I: H3 d, u; O$ Z8 v set y Dep / 2 ]
( E3 R1 d" Z& u4 k. O& B set b int (a / 5) * 5
& X) c6 R. c# I/ ]: k! M6 G setxy ( xcor-of turtle b + x )
8 s2 k- K- x9 F; w) ]& e ( ycor-of turtle b + y )
7 U% [+ w5 g Lif (remainder who 5 = 2) [set c who
0 y$ }) f7 q" @$ O- H1 _- ? set x ( 0 - Wid / 2 )
* l+ T% \8 g5 _" H5 J* z+ l set y (0 - Dep / 2 ) ]2 z" m/ _) v+ Y7 q. Y
set d int (c / 5) * 5
$ R6 b& V% t! K; @4 A! b3 } setxy ( xcor-of turtle d + x )
! M5 E. P7 Y f" r. a$ N (ycor-of turtle d + y ) ' z \$ F5 N4 v) C# n" T3 _. S
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if (remainder who 5 = 3) [set k who
- l. V- ^2 p; N, Z set x( Wid / 2) - ]4 R8 Z9 b! q3 B
set y (0 - Dep / 2 ) ]% l2 S6 {# H7 J* J
set f int (k / 5) * 5
& ]* n* U7 E0 v. k: L setxy ( xcor-of turtle f + x )+ i& e) [. V3 B" T6 b: o
(ycor-of turtle f + y ) ' q( r# `0 Z% n& T2 J6 `
# Z$ |, g* a, W" C6 P* X
9 J. `6 ~4 B- `% q3 sif (remainder who 5 = 4) [set g who
1 Y& B# b, r; w `6 A1 y set x Wid / 2
. T, a+ e1 [- Q4 |# c set y Dep / 2 ]& R$ l7 G" R6 P& E
set h int (g / 5) * 5
! `% \$ L1 a9 n! @ setxy ( xcor-of turtle h + x )
. i" U% Z& [+ y$ L! ]/ r9 X (ycor-of turtle h + y ) # v: E$ C0 H5 R+ _5 R
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end
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[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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