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Question by beatniq · Oct 22, 2014 at 03:22 AM · floatsliderdoublehorizontal-slider

C# code is making 0.0 a double and not a float

I'm trying to make a GUI Horizontal Slider. An error occurs where Unity thinks the min and max slider values (0.0, 20.0) are doubles and not floats. How do I fix this error?

 walkSpeed = GUI.HorizontalSlider(new Rect(150, 40, 100, 20), walkSpeed, 0.0, 20.0);
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Answer by Bunny83 · Oct 22, 2014 at 03:24 AM

C# doesn't "think" those are doubles, they are doubles :)

In C# the default real-literal type is double. In UnityScript it's float.

You just need to add an "f" at the end to make it a float literal. On the other hand if you need a double in UnityScript add a "d":

 //C# 
 float a = 5.0f;
 float b = 5f;
 
 double c = 5.0d;
 double d = 5d;
 double e = 5.0;
 
 
 //UnityScript
 var f = 5.0;  // will be a float
 var g = 5.0d; // will be a double

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Answer by Kiwasi · Oct 22, 2014 at 03:24 AM

UA ate my answer, again :(

0.0f, 20f

Its an artefact of the fact that doubles are better in almost all cases, so they are the C# default. 3D Game development is one of the rare cases where floats are better.

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