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Is deltaTime precise?
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Topic: Is deltaTime precise? (Read 533 times)
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sezium
Newbie
Posts: 2
Is deltaTime precise?
«
on:
November 27, 2023, 01:25:58 pm »
I'm trying to create Super Mario Bros but I think there is something wrong with deltaTime
When I change the FPS_LIMIT to 20, Mario goes higher than normal (like 20px more).
Can someone explain?
This is the code:
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eXpl0it3r
SFML Team
Hero Member
Posts: 10972
Re: Is deltaTime precise?
«
Reply #1 on:
November 27, 2023, 04:22:15 pm »
A simple delta time can be enough for some games and when having a consistent framerate, but it can lead to different behavior with different framerates indeed.
That's where you'd use a fixed timestep for all the physics calculations, so you can ensure a consistent movement.
See also:
https://gafferongames.com/post/fix_your_timestep/
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