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annotate src/zamikongine/thing.nim @ 28:b1b05d4efb52

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big refactoring, part1
author Sam <sam@basx.dev>
date Sat, 14 Jan 2023 14:08:00 +0700
parents b55d6ecde79d
children 9edca5dc4e93
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1 {.experimental: "codeReordering".}
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2 import std/times
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4 type
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5 Part* = object of RootObj
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6 thing: ref Thing
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7
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8 Thing* = object of RootObj
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9 parent*: ref Thing
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10 children*: seq[ref Thing]
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11 parts*: seq[ref Part]
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13 method update*(thing: ref Thing, dt: Duration) {.base.} = discard
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15 iterator partsOfType*[T: ref Part](root: ref Thing): T =
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16 var queue = @[root]
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17 while queue.len > 0:
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18 let thing = queue.pop
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19 for part in thing.parts:
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20 if part of T:
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21 yield T(part)
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22 for child in thing.children:
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23 queue.insert(child, 0)
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24
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25 iterator allEntities*(root: ref Thing): ref Thing =
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26 var queue = @[root]
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27 while queue.len > 0:
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28 let next = queue.pop
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29 for child in next.children:
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30 queue.add child
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31 yield next