Floattexture

Forums: Floattexture
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Floattexture

Postby lemmingsammy » Tue Feb 28, 2017 8:20 pm

lemmingsammy Tue Feb 28, 2017 8:20 pm
Hi all,

Can anyone explain to me the purpose of a floattexture please? I just cant seem to understand its use?

Thanks
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Re: Floattexture

Postby mikeadamwood » Tue Mar 07, 2017 9:29 am

mikeadamwood Tue Mar 07, 2017 9:29 am
It literally represents black to white values or 0% to 100% It, very helpful when building materials and having sliders to control intensity.

For instance if you load a mix texture into the roughness, then add a black and white mask to the top texture slot and 2 float textures to the inputs..you will be able to easy play with the intensity of the texture to get the reflectivity you want.
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Re: Floattexture

Postby Rik » Tue Mar 14, 2017 5:07 pm

Rik Tue Mar 14, 2017 5:07 pm
But what advantage does that have over just changing the value for specular? Isn't it just duplicating?
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Re: Floattexture

Postby kavorka » Tue Mar 14, 2017 8:10 pm

kavorka Tue Mar 14, 2017 8:10 pm
if you load a black/white image as a float, it uses less vRAM than an RGB.
bump/specular textures are usually black/white.

This can really help you optimize your scene if you are low on space.
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