[TUTORIAL] How to use the Brush tool in Materials Mode

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niebo26
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[TUTORIAL] How to use the Brush tool in Materials Mode

Post by niebo26 » 11 Jan 2019, 11:27

Hello item makers !

You may have noticed for a long time this tool when applying materials in the Mesh Modeler but maybe didn't know how to use it. Or you may have wanted to texture a road in some clicks, with your material following the road path. That's what Brush mode (or Curve 2D) is for ! :D

:!: Important : Brush mode only works with open surfaces (a sphere surface, an entire cube surface, or the entire side of a cylinder don't work for example) that don't have a normal at zero !

Now, on using the Brush mode :

Let's texture this mesh with a custom road material. As you can see, a Planar projection is not fitting my geometry well :
Image

We're gonna use Brush mode then. I first select what i will apply the material to :
Image

And now, i enter Brush mode by clicking on the icon. The borders of my selection are now displayed. These borders will be the borders of the material after Brush mode :
Image

The dots on the borders are the 4 angles of the material i'm gonna apply on my surface. The blue dot indicates that it's the bottom left angle of the material. The yellow dots indicate the 3 other angles and have no order. For now, i'm gonna drag these dots on the positions i want (seeing how the material is, i need to put the blue dot on the bottom left so the road lanes are gonna follow the geometry in the right way) :
Image

If i want to cancel what i've done in Brush mode, i can click on the Brush again. But if i'm sure of what i'm doing, i can finish Brush mode and apply the material by clicking the arrow on the bottom right. Since it's an automatic algorithm, results can have some "hiccups" with UV placement : i can correct anything with the UV canvas as usual :
Image

Now Brush mode has no secrets for you :thumbsup:

As usual, don't hesitate to drop some questions here about the feature (or if you have suggestions).
Hope you'll like the tool !

Niebo
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Re: [TUTORIAL] How to use the Brush tool in Materials Mode

Post by Miss » 11 Jan 2019, 12:29

Ohh very nice! I should probably start using this..
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Re: [TUTORIAL] How to use the Brush tool in Materials Mode

Post by Demented » 11 Jan 2019, 15:26

Again, another very helpful tutorial from Niebo. These are very well done and easy to follow. :thumbsup:
:?: Question: Is the brush tool only for custom materials or can it also be used with ingame materials?
I ask this here rather than just trying it for myself so others know the answer to this as well.
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Re: [TUTORIAL] How to use the Brush tool in Materials Mode

Post by niebo26 » 11 Jan 2019, 20:02

(oops i forgot to reply at the office...)

Of course, Brush tool works with game materials as well, if they're not automatic.
If the material has an Atlas ( = is cut in small rectangles cos contains lots of different things in the texture), then Brush tool should apply the selected rectangle UVs to your selection.
"Don't mesh around !" - ® Haagse, 2019

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