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Pooling Flashcards

(5 cards)

1
Q

Kaj je pooling in kje ga uporabljamo?

A
  • Namesto ponovnega ustvarjanja in brisanja objektov se ti vzamejo iz vnaprej pripravljenega “bazena” (pool).
  • Uporablja se pri delcih, metkih ali sovražnikih za zmanjšanje fragmentacije pomnilnika
  • Z uporabo vzorcev, kot je Pooling, zmanjšamo ustvarjanje in brisanje objektov.
  • S pravilnim sproščanjem pomnilnika, npr. v Javi se uporablja dispose() za objekte kot so teksture

Prednosti:
- v vecini primerov pohitri ustvarjanje objektov
- z uporabo funkcije dispose(), ne rabimo skrbet za memory leak
- enostaven za implementacijo

Slabosti:
- ni nujno da je delovanje hitrejse kot klasicne metode
- optimiziranje tega je otezeno

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2
Q

Kaj je fragmentacija?

A

Tezava, ki jo povzroci neucinkovito dodeljevanje in sproscanje pomnilnika (bloki)

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3
Q

Memory leak, sproscanje pomnilnika, defregmentacija

A
  • Memory Leak: Pojav, ko objekti ostanejo v pomnilniku brez uporabe.
  • Sproščanje: Uporabimo dispose() za sprostitev virov.
  • Defragmentacija: Pooling zmanjša fragmentacijo s ponovno uporabo objektov.
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4
Q

Debugging

A
  • Debug mrežo (DebugViewportUtils.drawGrid).
  • Logging za izpis pozicij delcev.
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5
Q

Procesiranja vhoda - pooling, event subscriber, event system

A
  • Polling: Neposredno preverjanje stanja tipk: Gdx.input.isKeyPressed(Input.Keys.A).
  • Event Subscriber: Uporaba sistema dogodkov, kjer poslušamo specifične dogodke.
  • Event System: Abstrakcija za obdelavo dogodkov (npr. klik ali dotik).
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