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Question by Psudoz · Mar 07, 2014 at 07:43 PM · c#deltatimecomputerold

Delta time on older computers messed up

I have this inside Update c#

 controller.SimpleMove(new Vector3(xInputAxis, 0.0f, zInputAxis) * walkSpeed * Time.deltaTime);

This works fine with a walkspeed of 450. however, on older machines the player moves ALOT faster and zips around the level. any idea why?

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Answer by Eric5h5 · Mar 07, 2014 at 08:23 PM

Time.deltaTime is simply the time since the previous frame, so it can never be messed up, regardless of the computer's age. At a guess, you're using mouse axis input, which is already framerate-independent to begin with, so multiplying it by Time.deltaTime makes it framerate-dependent.

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avatar image Psudoz · Mar 07, 2014 at 09:10 PM 0
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This is not using mouse axis input. Its using the standard horizontal and vertical axis. This only happens when the frame rate drops. any fix?

avatar image Invertex · Mar 09, 2014 at 07:56 AM 0
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Any axis input should be framerate-independent already, so try removing the Time.deltaTime.

avatar image Eric5h5 · Mar 09, 2014 at 08:21 AM 0
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$$anonymous$$eyboard input isn't framerate-independent, so you'd want to keep Time.deltaTime for that regardless of using Input.GetAxis.

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