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view src/zamikongine/thing.nim @ 482:1670f8e70964

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add: clean examples, update build configs
author Sam <sam@basx.dev>
date Tue, 10 Jan 2023 00:24:37 +0700
parents 14e5151f68d1
children b1b05d4efb52
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{.experimental: "codeReordering".}

type
  Part* = object of RootObj
    thing: ref Thing

  Thing* = object of RootObj
    parent*: ref Thing
    children*: seq[ref Thing]
    parts*: seq[ref Part]

iterator partsOfType*[T: ref Part](root: ref Thing): T =
  var queue = @[root]
  while queue.len > 0:
    let thing = queue.pop
    for part in thing.parts:
      if part of T:
        yield T(part)
    for child in thing.children:
      queue.insert(child, 0)