A Question About GameLoops

[steadi]

Hello There Guys,

I am currently trying to create a game using Qt and it's rather nice graphics view item. I have the game pretty much setup but I would like to add in a game loop to make the npc's wonder around and such.

My current code is:

while (1)
{
  update();
}

while (1)
{
  update();
}

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but this just crashes the game. I know a while loop works when low-level programming but it does not seem to work in this instance. Can somebody point me in the right direction on how to create a game loop or a better way around using the while loop in Qt?

Thanks in Advance,
Matt :P