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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。+ U& ]0 T% ^9 y3 O. \ H, k
. k5 s0 @) U. z0 f- ?8 _0 |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 T0 \+ S) n# l
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turtles-own [a b c d k f g h
2 h+ _% N/ o. q- b% Y s x y ;; these are the leaf-turtle's offsets relative to center-turtle 3 k% {, G5 G5 ]% B
]& ^# d$ k! f: d# Q* x
to new5 N s" ]5 t& S0 d( F, d9 O
ca
1 g8 t/ y" m* d3 E5 b( j crt 5 * num_of_building
6 g( d/ X4 V" n$ I ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]: ]8 v- c- c0 K/ Y& o
scatter ;;keep center-turtle random positions 4 B' J4 P, q- F$ D, W8 L# O
unit_plan ;;make up the building plan
$ u, m2 ?5 c! V) O+ D4 L- X9 Wend! y% G( t Q* F+ _. u8 m1 _
to scatter
% T6 T" j8 M9 H' O% yask turtles with [remainder who 5 = 0]
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) t4 \6 r# Z0 D) M; Hset xcor xcor - 6 + random-float 154 A1 C; o. s+ P. J+ Z- B
set ycor ycor - 6 + random-float 153 `) m. ~* q1 c, r4 T# n( z
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end2 @3 N5 t, Q4 e# @5 s7 l T
to unit_plan
& N* F! u" L' Xask turtles [
- f" V% E9 w% `' [% Sif (remainder who 5 = 1) [set a who 0 A5 K5 s% n; r' k, w
set x ( 0 - Wid / 2 )
( ^5 H) y! y: q! V2 z set y Dep / 2 ]% _/ q2 n. T! u" _! I3 l. r3 Q1 S
set b int (a / 5) * 5" r% e( S+ @$ z
setxy ( xcor-of turtle b + x )) R( h* R7 l# Z! d7 x3 w! v
( ycor-of turtle b + y )! v# Y: y; R" C; ~: D
if (remainder who 5 = 2) [set c who" E, a+ X8 ~( V3 F
set x ( 0 - Wid / 2 ) - a& N: y- w) q# R {
set y (0 - Dep / 2 ) ]
* i7 O& t! ]5 A F0 M3 K set d int (c / 5) * 5$ ?2 b; z( Z7 T0 T z5 X) s
setxy ( xcor-of turtle d + x )4 J- b( J/ P1 O9 e4 e! E
(ycor-of turtle d + y ) 6 a% y% f0 j' s$ P
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5 q' j4 g. U f6 s/ _+ kif (remainder who 5 = 3) [set k who3 Y: J! P. @! A7 R3 i
set x( Wid / 2)
& G' b6 t8 K* d/ N, T, }5 U set y (0 - Dep / 2 ) ]
/ g( {% G4 ^- H7 X, A set f int (k / 5) * 5
& a. e/ ]' G8 q* n1 l setxy ( xcor-of turtle f + x ); ]" B/ A- R( \3 I; o
(ycor-of turtle f + y )
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6 {) `5 @! c& {1 Pif (remainder who 5 = 4) [set g who
k! M1 w' P- V8 E! Y7 o set x Wid / 2 5 x, X) s1 ` i. ^; Q
set y Dep / 2 ]+ U+ r5 p/ s: m d0 C/ w
set h int (g / 5) * 5
4 D N B8 [* i6 N8 C setxy ( xcor-of turtle h + x )6 v; N# A' e: }# C) {
(ycor-of turtle h + y ) Y9 a& a- e& p! V( i; Z6 a9 H- c
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' a0 L- b% e* G& H+ E7 T4 g& S[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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