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Now let's return to our
hair and modify it little bit.
To begin - I will edit the groups.
To do this - I choose the Select tool
and changing the selection of the fringe.
Then - assign a first group for it.
Then select the side part.
In order not to touch the opposite part
during the selection - I turn on the option
Ignore Backfacing Guides.
But since I don't want
to assign the different groups on the side parts
I turn on the mirror and in this mode,
I select the part of the temporal lobe.
For them, I assign a second group.
Then I select the rest of the hair in this way
and assign a third group.
In result - I got three groups that I will manage.
By the way, in the previous tutorial - I placed
Push away from mesh after Edit Guides.
But it is better to place it at the very end.
So let's fix that mistake.
Now go to the Edit Guides.
select the red group by selecting the option
`select by group` and invert the selection
by pressing CTRL + I - to hide the rest.
Now you can press
hide button and proceed to
edit the fringe.
Edit it using different
instruments in the Edit Guides, which
I showed in the previous chapters - in this way.
Also don't worry that the hair crosses
the geometry - after all, we have the modifier
Push away from mesh and it will finish
its task in the end.
Unhide the all guides and see what happens.
For the correct result - we still need Rotate strands
Apply it and turn on the option which named
Orient Based on Strand and set the Angle value=180.
In result - your hair looks in the right direction
and in the geometry there is no
incomprehensible blackness.
Then edit the thickness of the plane for the fringe -
change the radius in Render Settings for
the first group and add Strand Detail
in order to make a more smooth bend.
Thus adding additional segments.
And edit the fringe to make it a bit more lush.
So when you're sure
that you won't change the length of the hair -
you can create one Edit Guide on top of the
Strand Length.
And work with it, as well as you can produce
the all changes and modifications
exactly in this Edit Guides.
This workflow is only suitable for working
with gamedev hair.
For production hair - a slightly different approach
and a large number of modifiers in Edit Guides -
will confuse you and the animator.
Because - usually animator works
with the first Edit Guides and the all changes
and modification - it is better to make in it.
So, continue to work with a fringe.
A little correct its shape, and also
edit some guides separately.
The basic form of hairstyles for example - is ready.
Since we have 3 groups, then in the 2nd scene
for the hair render - add another beam.
To do this, copy the plane to which
the first beam is attached.
Then apply to it a copy
of the Hair From Mesh Strips
and edit the plane a bit with FFD.
After that - proceed to the settings of the beam itself.
Now return to the scene with the hairstyle,
save it and go to the Mesh From Strands -
and turn on this three options:
Per-Strand UV Coords.,
Create Texture Atlas and
Str. Group Tex. Islands.
After that - convert it to the Editable Poly,
apply the Unwrap modifier and
see what happens.
In result - received three pieces on the UV box.
Since we assigned 3 groups.
Then - export this hair to FBX
and upload them into another scene.
I usually do it in the scene for backing.
After that, render the hair texture preview
to adjust the UV.
Next - assign this texture on the imported
hair and begin to edit the UV pieces
in Unwrap UVW.
Then export the object to the fbx and look,
what we have in the Marmoset Toolbag.
Open the Marmoset Toolbag.
Import model via File-> Import Model
and immediately turn off the option Cull Back Faces
otherwise, the part of the hair geometry
will be clipped.
Assign the base material with Albedo
and with the option Use Albedo Alpha.
In the end, we get this result.
As you can see, the hair turned out to be very thin.
Therefore, you should to refine the texture.
Return to the scene and make corrections
to the settings of each beam.
The main thing - remember one rule.
There are no universal settings that would always fit.
Every time - you will have to experimentally adjust
the all parameters to get
the ideal option.
Always experiment with the radius settings,
the amount of hair, and also the type
of their distribution to the plane in the
Hair From Mesh Strip Object settings.
As a result of experiments - I got this
texture and this result in the Marmoset Toolbag.
Naturally, it needs to be finalized, than now we will do it.
I return to the saved scene with the Ornatrix mesh
and proceed to edit the hairstyle.
First I'll work with a fringe.
I select the group with it.
Invert selection
and hide the rest groups.
After that - I select the longest hair
and those hairs that haven't been isolated -
I'll modify it a little.
To fit their length with the main ones.
To do this, I invert the selection again,
then I select the points and
in the side view I raise them up.
Then choose the Grow / Shrink Brush
and increase their length.
Then I cut off with the scissors approximately to
this length and comb them
to match with the fringe.
Thus - it turns out more lush hairstyle.
I turn on the plane display and modify the fringe
with selecting the individual guides.
Then proceed to the finalization of the remaining
groups hairstyles.
I select the plant and grow the new guides.
The main thing - don't forget one rule.
When you grow the new guides -
a neutral group is assigned to them.
So once you've finished the growing -
select them and assign the desired group.
I keep adding the new guides to
make the hair growth more evenly.
And to close the empty spots on the head.
Also edit the radius of the each group in this way.
That the planes are more correctly attached to the head.
And combing them a little.
Then I go to the Strand Detail in each group,
except the fringe and reduces the number
of the triangles and set the value
of the viewport parameter = 3
Total - the weight of the all hair = 8744 triangles.
But this is not the final value,
because I will further refine it.
To make the hair texture more interesting -
return to the scene for the backing and set up
the hair shader in this way.
The basis is the same VrayHairInfoTex.
Output - Position Along Strand.
Color A - absolutely black,
and in Color B - load the another VrayHairInfoTex
in which Ouput = Position By Strand Index.
and in the slots loaded Ox Hair texture
with such parameters.
As a result - it turned out this color
with a darkening on the roots.
The darkest level can be controlled in the main
VrayHairInfoTex using the bias parameter.
If its value is higher, then there will be more blonde hair.
If lower - less.
I usually put a value = 0.4
The final texture looks like this.
I added a special thin
hairs which the real hairstyle have to create
a small chaos.
To do this - I used the two
types of hair - long and short.
Also slightly reworked the fringe,
I made a separate beam for side and
back hair and added the hair -
which are located near the fringe for more
smooth transition from it to the basic hair.
Then - rendered the Directional map, Normal map
and the one texture for specular, ao and cavity.
To render the textures - I used
a special script, which you can be download
in my blog - in Materials4Tuts by clicking on the link
which named - Ornatrix Script.
Now I will show the scene
rendering of textures and the all settings, and also
how to install and use this script
The final scene to render the textures
looks in this way.
In the final - I got the 3 materials.
The first - to render AO, Specular and Cavity.
It settings is very simple.
Into the slots - diffuse, primary and secondary specular
and overall - I loaded VrayHairInfoTex texture
with these settings.
In the Output = Random by Strand Index.
In the slot A - white color with such parameters,
and in the slot B - a little lighter.
I used the second material like as main
for the all beams except -
beam for mixing with the fringe.
The settings of this material look like this.
VrayHairInfoTex in the diffuse, primary and
secondary specular slots.
In Output- Position Along Strand.
In slot A - no longer black, but gray with such settings.
In slot B - another VrayHairInfoTex,
in which Output - Random By Strand Index.
In Color A and B - OxHair texture
with these settings.
And the third material - especially for
a smooth transition from the fringe to the other hair.
This is the copy of the second material.
But the bias in the main VrayHairInfoTex = 0.2
That's all I wanted to say about the materials.
Now go to the analysis of the settings for each beam.
So.
The first beam.
Initially for him, I drew such splines.
But then, in the course of experiments -
came to this kind in Edit Guides.
Then applied Hair From Guides
to import guides and after applied Frizz
with the following settings.
The curve in the render settings looks like this
and Radius = 0.2.
Then - I applied MeshFromStrands
to render the tangent normal maps and
VrayOrnatrixMod to render the diffuse and normal map.
But they are turned on separately.
And since -
select each bunch and include separately
from these modifiers - is inconvenient.
I created a small script,
which makes it massively.
If you have a lot of bunches - it will be useful to you.
I will show the script work later.
And now proceed to the second bunch for the side hair.
Like everyone else,
except for fringe and short hairs,
I created by using HairFromMeshStrips.
Modifier settings look like this.
Next comes Strand Length with such parameters.
Then Strand Frizz ...
Render Settings ...
And, as usual - MeshFromStrands and VrayOrnatrixMod.
So, Come on ...
Short hairs for giving chaos was obtained from splines.
Here, everything is standard =)
I added Multiplier to achieve this effect.
And to increase the amount of the hair.
Next - Strand Frizz, Render Settings
and in general - all standard.
The fringe settings look in that way.
I also got it from the splines.
Then still lined them in Edit Guides.
The other bunches have also typical settings.
Therefore, I won't analyze them in detail.
Now let's talk about how to install the script
for rendering the maps and I'll show you - how to use it.
Drag it in 3dsmax window.
Then go to the Customize settings -
Custom User Interface.
Choose Quads tab.
And in the list on the left - find the Ornatrix Game Tool.
Choose it and drag to the right side.
This action will add the script to the RMB menu.
So how do you work with this script?
Let's imagine a situation that you
currently turned on the MeshFromStrands
for the all bunches.
And you want to turn on the VrayOrnatrixMod,
to render albedo and normal.
To do this - select the all bunches,
press the right mouse button and
select the script.
A window will appear with two options.
So, to turn off the MeshFromStrands
and turn on the VrayOrnatrixMod for the all bunches -
click on the button which named - bake diffuse normal.
As a result - in each bunch you will see a turned on
VrayOrnatrixMod, which allowing you to render
the albedo map and normal map.
If you will select the all bunches again
and press the bake directional map button,
VrayOrnatrixMod will turned off,
and MeshFromStrands will turned on for each bunch.
To render the normal and directional map in Vray -
you should add the VrayNormal render element
and always same the image after rendering
with Override 1.0.
For correct gamma display.
So I tell everything about the textures.
Now let's talk about the scene with the hair,
as well as the scene in Marmoset Toolbag
and the hair material settings.
So, the final mesh looks like this.
It have - 11 468 triangles.
Mesh is divided into 7 groups in the Edit Guides.
2 group - for temporal part,
1 group for the back of the head.
1 group for the fringe.
1 group for the chaotic long hairs,
1 group for short, and a separate group
for a smooth transition from the fringe to the temporal part.
For the each group - I added
Strand Detail and Render Settings.
To control the range and the detail.
If you interested, in more detail analyze
and want to rotate the model -
Click on the link, which is now
will appear in the upper right corner.
And by clicking on it - you can buy
this model on the CGTrader shop.
So, now come to the Marmoset Toolbag 3 scene
and I'll show you what I have in the final.
And also talk about the hair shader settings.
But before uploading the geometry
of the hair in marmoset - you must
bake the vertex normals, where you feel comfortable.
In the Maya or 3dsmax.
About Vertex normal and methods of baking -
you can read by clicking on the link in my blog.
Go to the Materials4Tuts
and click on the Polycount VertexNormal Info link.
On the site you will see a detailed article on this topic.
You can check many baking methods
in Max and in Maya.
I personally prefer to use the transfer attributes in Maya.
Since this method is the fastest for baking
and miscalculation comes instantly.
Unlike the scripts in the 3dsmax.
So how do you bake vertex normal in Maya?
Everything is very simple.
Import the hair mesh.
Then create a sphere.
Scale it and align to the crown of the hair mesh.
Then in a Front view remove this part.
Select the Edges and drop them down,
to obtain such an this object.
Now select the sphere.
Then our hair and
go to the Mesh -> Transfer Attributes.
The settings look like this.
Press Apply.
Do not deselect the objects -
go to the Edit and select Delete by type history.
This is done so that you can delete
a sphere and won't lose the baking result
on the hair mesh.
The transfer of vertex normals is performed
in order to make softer shadows,
a smooth transition between the geometry of the hair
and a realistic result in the engines.
As a result of all actions - I got
this result in Marmoset.
Keep in mind one thing.
What if the render settings - you set
the Resolution = 1: 1,
then the quality is a little worse in the viewport.
To see the final quality,
which is obtained when exporting -
Choose 2: 1.
Through this resolution - you will see
the sharper details and in general -
the better render.
Downsampling is done to optimize
viewport on slower video cards.
So now let's talk
about the scene and materials settings.
On the Sky - I have set the standard HDRi
from the Marmoset collection.
Then add the main and back lights.
Main light is located slightly above,
and the backlight located behind to highlight
the hair from this position and
to show the scattering effect.
I attached this two lights to the Sky.
To during the turn of HDRi they also
changed their position.
And another rule about which I want to tell.
During the import of the model,
be sure to select the correct units.
Marmoset have a special setting and
the men guide, so that to help you make
the correct settings.
Usually - I choose centimeters for two parameters.
This is done,
to properly display the shadows and scattering.
Now let's talk about the hair shader settings.
First of all - I turn on the hair tessellation
with using PN Triangles.
To smooth the overall shape,
that it was not a lowpoly.
If you turn off it and look at the edges
then you will understand what I mean.
Then, as usual - in the normal map slot load
appropriate map.
Microsurface settings look in that way.
Into the albedo - loaded a diffuse map and of course
tuned on the scattering.
If you will look at this reference,
you'll see - like the hair react to light.
Scattering is enabled to achieve this effect.
To show how it works in the Marmoset -
I reduce the brightness of the environment and turn off
the main light source.
The scatteting settings look like this
and in scatter map slot I loaded specular texture.
In the Reflectivity slot - I chose Dota Specular,
because thanks to this option -
we have more realistic reflections,
rather than with a simple specular.
And you have more options to achieve
the interesting results.
Into the Specular mask and Specular exponent
I uploaded the same map - specular_ao_cavity, which
looks that way.
Then, to obtain the correct form flare,
anisotropic - in Secondary Reflection and Reflection
choose this type.
And in the Directional Slot load the
that normal map which we rendered
with the tangent normal mode in MeshFromStrands.
It is thanks to it and such settings -
it turns realistic flare.
Next - turned on AO and Cavity,
and in the transparency - choose Dither effect.
Since it is working well with opacity map.
To use the alpha from the albedo slot -
turn on the option - Use Albedo Alpha.
That's all I wanted to tell
regarding the setting of the material and scenes.
The chapter turned out to be full.
Therefore it - I won't show
the creation of men's hairstyles,
and loading into the Unreal Engine 4.
These materials are included in the Chapter 7.
And in conclusion of the chapter - I would like to
share with you news about
the two groups that I created in Discord.
Links to these groups - will be in the description.
And now I will tell you what they created for.
In Ornatrix Community - you can ask your
questions about the plugin.
To do this, there are two tags.
For RU & EN users.
In the #news tag - I load the all news about
the plugin for 3dsmax and maya.
In the #showcase - you can show your works.
And in the #worldworks - I load the different works,
which are found on the Internet.
In the #ideas - write the different ideas about Ornatrix.
In the #tutorials - I download the all lessons about
Ornatrix for 3dsmax and maya.
In #chat - you can communicate with each other
about Ornatrix and other themes.
And in #offtopic - to have conversations on any topic.
In #bugs - naturally write the all Ornatrix bugs
with which you have experienced.
Now let's talk about my group.
I think many subscribers
are waiting for this moment to have
the ability to write me questions, and
get the answers.
Since in PM - I can't always answer to them.
Here I will ... Always answer ...
Not immediately, but I will.
In this group - you'll find the #news room,
in which I will upload the all news
about my channel and the new tutors.
In the #tutorials - is a list of the all lessons.
Also, there is room for questions from around the world
and the Russian-speaking population.
#chat room set up to communicate with each other
on any topic.
And in the #showcase - you can upload your work.
A reference to the portfolio, and so on.
That ended the 6th chapter.
Krivulya Andrew Charly with you.
If you click the thumbs-up -
I will be very pleased.
Don't forget to subscribe to the channel,
to not miss the new lessons,
and turn on the bell for notifications.
And of course share this release through
the Share button.
Peace for everyone!
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