看看这段代码的问题

etamina · 发表于 2008-4-10 16:36:43

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。

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。

turtles-own [a b c d k f g h
  x y    ;; these are the leaf-turtle's offsets relative to center-turtle
]
to new
  ca
  crt 5 * num_of_building
  ask turtles [ifelse (remainder who 5 = 0) [set color red][set color blue]]
  scatter    ;;keep center-turtle random positions
  unit_plan ;;make up the building plan
end
to scatter
ask turtles with [remainder who 5 = 0]
[
set xcor xcor - 6 + random-float 15
set ycor ycor - 6 + random-float 15
]
end
to unit_plan
ask turtles [
if (remainder who 5 = 1) [set a who
                        set x ( 0 - Wid / 2 )
                        set y  Dep / 2 ]
         set b  int (a / 5) * 5
setxy ( xcor-of turtle b + x )
      ( ycor-of turtle b + y )
if (remainder who 5 = 2) [set c who
                        set x ( 0 - Wid / 2 )
                        set y (0 - Dep / 2 )  ]
                        set d int (c / 5) * 5
setxy ( xcor-of turtle d + x )
         (ycor-of turtle d + y )


if (remainder who 5 = 3) [set k who
                        set x( Wid / 2)
                        set y (0 - Dep / 2 ) ]
                        set f int (k / 5) * 5
  setxy ( xcor-of turtle f + x )
         (ycor-of turtle f + y )


if (remainder who 5 = 4) [set g who
                        set x Wid / 2
                        set y  Dep / 2 ]
                        set h  int (g / 5) * 5
  setxy ( xcor-of turtle h + x )
         (ycor-of turtle h + y )


                        ]
end

[ 本帖最后由 etamina 于 2008-4-10 16:41 编辑 ]

etamina · 发表于 2008-4-11 13:26:12

已经解决了，
应该是
ask turtles [
if (remainder who 5 = 1) [set x ( 0 - Wid / 2 )
                        set y  Dep / 2
         set b  int (who / 5) * 5
setxy ( xcor-of turtle b + x )
      ( ycor-of turtle b + y )]]
end
之前有个括号位置不对没发现

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