如何随机改变网络徽标补丁的颜色



我的补丁以绿色(65(,黑色(0(或随机基色启动。每 5 个刻度,我希望绿色的更改为随机的基色,黑色的保持黑色,随机颜色的变为绿色 (65( 或更改为另一种随机颜色(删除 55 种基色之一(。

实现这个最终功能(使用现有随机颜色补丁的子集(是我正在努力解决的问题。

我已经尝试了ifelse和不同的if语句,指定要求n-of某个数字补丁变成绿色,其余的变成随机颜色。这行不通。

to setup-patches  ;;PATCHES
  ask n-of 400 patches [ set pcolor 65]
  ask n-of 600 patches [ set pcolor one-of remove 55 base-colors ]
end

......

to vary-patches
  if ticks > 0 and ticks mod 5 = 0 [ 
    ask patches [ 
      if pcolor = 65 [
        set pcolor one-of remove 55 base-colors ]
      if pcolor = black [
        set pcolor 0 ]
     if pcolor = one-of remove 65 base-colors [
        set pcolor ............................................. ]
end
我认为

你或多或少在那里,只是if pcolor = one-of remove 65 base-colors有问题。每次评估该语句时,都会pcolorremove 65 base-colors生成的列表中的随机one-of进行比较 - 它不会检查是否在该组中找到pcolor。为此,您需要member?原语。例如,下面的轻微修改应该做你需要的:

to setup-patches  ;;PATCHES
  ca
  ask n-of 400 patches [ set pcolor 65]
  ask n-of 600 patches [ set pcolor one-of remove 55 base-colors ]
  reset-ticks
end
to vary-patches
  if ticks > 0 and ticks mod 5 = 0 [ 
    ask patches [ 
      if pcolor = 65 [
        set pcolor one-of remove 55 base-colors ]
     if member? pcolor remove 65 base-colors [
        set pcolor one-of base-colors
      ]
    ]
  ]
  tick
end

编辑:

to vary-patches
  if ticks > 0 and ticks mod 5 = 0 [
    ask patches [
      ifelse pcolor = 65 [
        set pcolor one-of remove 55 base-colors 
      ] [
        if member? pcolor remove 65 base-colors [
          ifelse random-float 1 < ( 1 / 3 ) [
            set pcolor one-of base-colors
          ] [
            set pcolor 65
          ]
        ]
      ]
    ]
  ]
  tick
end

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