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Checking for input by using Update or a Coroutine - is there a timing difference?
I was just looking at a project's code and saw that it uses a coroutine for checking for input. Is there a functional difference between the following?
private IEnumerator WaitForTap()
{
while (true)
{
if (Input.GetMouseButtonDown(0))
{
//do something
}
yield return 0;
}
}
or
void Update()
{
if (Input.GetMouseButtonDown(0))
{
//do something
}
}
Say that I would want to record the timestamp of the tap in //do something - would there be a difference in precision between the two?
Answer by Kishotta · Jun 27, 2017 at 08:29 PM
I'm not sure if Input updates mid frame (I suspect it does not). If it does though, assuming your game is running at 60fps, you're talking about a difference of 16 thousandths of a second. The top version is simpler and less error prone. I'd go with it.
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