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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。
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8 z9 f$ r5 }. ]. E- {, e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 h
1 \ E/ ~1 V5 T9 r% P; _% T0 \$ X x y ;; these are the leaf-turtle's offsets relative to center-turtle
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# S t8 {& V' G9 pto new
) [5 h k+ j' S A; q/ a ca
! I/ Q. j8 C5 g7 p" O0 `1 n crt 5 * num_of_building
, U0 `! _/ k6 a5 d- D: ]% A6 W+ r ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
9 ~+ m6 W5 O% ` P( P" s- ? scatter ;;keep center-turtle random positions
! d( i# R/ O5 q( r N unit_plan ;;make up the building plan; c n1 K/ K7 s9 K" v" y
end2 V; C; t3 R9 f2 h5 f
to scatter
6 d- [( H; m# ~2 t$ Rask turtles with [remainder who 5 = 0]! f0 o1 r9 V& c8 \0 f# \" A& m
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set xcor xcor - 6 + random-float 15; C& |; d8 O9 H4 V
set ycor ycor - 6 + random-float 15% x c/ v2 Y4 v# J; O* ~
]% f# W- D: R1 t5 V: h* h0 n3 f3 t
end
! c6 W, s# J- @4 l9 mto unit_plan
- Z4 T6 T1 O* t7 ^% ]ask turtles [
7 X; l) ~) z7 K: ]if (remainder who 5 = 1) [set a who 9 g, l2 h& h6 j' k( z8 _
set x ( 0 - Wid / 2 )
5 S3 f/ H0 J0 V9 u set y Dep / 2 ]! c+ p$ `4 x J: P. @
set b int (a / 5) * 5
( a( t# V1 R) J: w. Y3 F" C3 z8 L setxy ( xcor-of turtle b + x )
2 u7 G) g- j) U1 G$ E ( ycor-of turtle b + y )
7 S% z n2 a( Dif (remainder who 5 = 2) [set c who( J$ I* }8 S7 x B
set x ( 0 - Wid / 2 )
- V# u2 q; p8 d' c& l8 G set y (0 - Dep / 2 ) ]/ g3 W. x, j1 W. @% v# x8 g
set d int (c / 5) * 5
7 o3 U: K# o/ v setxy ( xcor-of turtle d + x )3 E5 N/ [! h- G5 |; P
(ycor-of turtle d + y ) 6 E, V* M# P |% \+ f
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if (remainder who 5 = 3) [set k who
" k2 k# [8 w& ^& k; Z set x( Wid / 2)
( B' ^$ @% D. x+ ~( _" W- f* u set y (0 - Dep / 2 ) ]; A- t6 p$ r8 m% R m
set f int (k / 5) * 5' M: w0 l( j. K% e- E
setxy ( xcor-of turtle f + x )
/ z9 z i/ F1 ?; m5 q) ^ (ycor-of turtle f + y )
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if (remainder who 5 = 4) [set g who
7 G) {3 }1 i% D: V# j* J2 B( T set x Wid / 2
2 i S8 @! L' z: Q& Y set y Dep / 2 ]5 ?8 P0 b6 V8 c2 x2 u
set h int (g / 5) * 5- O: o. T' S0 d0 C2 }
setxy ( xcor-of turtle h + x )! A e. E9 ]. z
(ycor-of turtle h + y )
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end
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" @! S; ^( |1 S[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ] |
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