Convert positive float to negative?

Question

Hello :-) How can I convert a positive float to a negative float in C#?

Thanks, Andreas :-)

Answer 1

Best Answer

Answer by Dave-Carlile · Jul 02, 2013 at 12:13 PM

 x = -x;

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AndreasX12 · Jul 02, 2013 at 12:16 PM 0

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Thank you :-) Works perfectly and simple :D

kolboch · Nov 07, 2018 at 09:56 PM 1

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Nothing personal but what's the point helping with such questions. How can people with absolutely ZERO program$$anonymous$$g background be making games?! Should not we expect at least $$anonymous$$imum quality???

AndreasX12 kolboch · Nov 07, 2018 at 10:44 PM 2

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I agree. As I look back on this, I could probably have answered this myself or found the answer elsewhere. However, I had no knowledge of program$$anonymous$$g.. Thanks to this forum, I have become a lot smarter (also with the help from see$$anonymous$$gly self-explanatory questions like this).

kolboch AndreasX12 · Nov 08, 2018 at 11:50 PM 0

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Yeah man Do not give up. I just have some triggers. Sry for that. ;) Happy coding.

Answer 2

Answer by spoilerdo · Apr 02, 2017 at 03:54 PM

 x = -Mathf.Abs(x);

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wlwl2 · Nov 07, 2018 at 09:04 PM 0

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I got a warning because of floatSpeed = +floatSpeed from a unity tutorial, it says that it is assigning the same variable to itself. x = +$$anonymous$$athf.Abs(x); resolves this warning, so thanks. I'm aware that this might not the best solution, but I need to move on.

Answer 3

Answer by SkyreGames · Jul 02, 2013 at 12:33 PM

Do you remember this from school?

 1*1=1
 -1*-1=1 
 1*-1=-1
 -1*1=-1

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AndreasX12 · Jul 02, 2013 at 12:35 PM 0

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Hehe no ;) I'm only 14, buuuuut I have managed to get a 3D game on Google Play with my little knowlegde about math, hehe ;)

LoungeKatt · Aug 04, 2015 at 12:34 AM 0

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@SkyreGames I take it in your village they don't have to worry about whether or not the language / compiler supports implying the operation without writing it verbatim.

Answer 4

Answer by M4R5 · Jul 25, 2014 at 04:52 AM

Mathf.Abs for absolute value also works on a variable.

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Answer 5

Answer by $$anonymous$$ · Aug 18, 2019 at 10:11 AM

x = 10;

print(-x);

prints: "-10"

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Convert positive float to negative?

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