Preparing for Baking

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Current Gen 3D Game Prop Production

미시간주립대학교

Art for Games 전문 분야에서 4의 강좌 3

In this course you will learn to create a photo-real game prop using modern game art production techniques. You will gather reference, generate a base model, create a high polygon model, bake details onto a low poly model, and then texture and present a final portfolio piece. This course is aimed at students who have some knowledge in 3d and game art and would like to learn more advanced techniques employed in the creation of modern game assets. We will be using Maya, Zbrush, Marmoset, and Substance Painter extensively throughout the course. When you are finished you will have your own model based of of a real-world prop suitable for use in modern game engines.

강의 계획서 보기

수업에서

Week 5: PBR Texturing

In this module you will take your low-poly model and add back the missing detail from the high-poly by baking texture maps. You will also use Substance Painter to add color, material, and micro-details not present in the high poly. This is where the model will start to become photo-real. The goal here is to take a well crafted model and use texture maps to bring it to life.

Preparing for Baking3:32

Baking Texture Maps10:57

강사:

Andrew Dennis
Professor of Practice

스크립트

In this video, we'll prepare our low poly model for

baking as well as put

together all of our high poly models,

materials, and other things we're going to need inside of

marmoset for a normal matte bake.

Now that our low poly model and unwrap is ready,

it's time to work on preparing this to

do our baking part of the process.

I'm looking around on a couple of parts of the low poly,

and I still feel like it might

be a little too high resolution.

So I'm actually going to collapse all of

these edges on the inside,

because I feel like these are going to be so

tight together that they won't bake in properly.

Now that we have our low poly and our UV is finished,

it's time to start preparing

this model for our baking process.

If you look at the model, it's made

up of a lot of different materials;

a couple of different types of plastics,

some different more rubberized materials,

there are some metals on here too,

and I could just separate all of these

and use substance painter to paint all these for me.

But if I actually put into my high poly material,

what things are made out of what material,

I can save myself a lot of time and energy later.

So what I need to do is change

the material in

the high poly version of all these models,

and then I can

actually bake what's called the Color ID map.

So I'm going to start with this red plastic

that I've made and I'm going to just give it a name,

blackPlastic_MAT, and it doesn't matter what color it is.

In fact, the more

rich or vibrant the colors are, the better.

I choose like really loud colors

because it's easy to see what people are looking at.

This is why sometimes people call this a

clown map instead of a color map

because it's such a big bright looking colors.

So what I'm just going through is adding

new materials and I'm picking

all the things that are going to be the lighter gray,

and now I can assign

my existing material of gray plastic mat.

So what this means is we'll actually be able to bake out

a texture map that

identifies which surfaces should be which material.

This process is essentially the same,

I'm just looking for different types of materials.

In this case, working on something like a soft rubber.

There are different types of plastic on the material,

a couple of metal areas.

Really, anywhere that I can see that

a different type of material was used,

I'm going to create a different color for it.

Again, the color I use,

the name of the material doesn't exactly matter,

so much as that they all have

a different color to them that

are different enough from each other

that substance painter won't get confused later.

Once you're finished, you're ready for

the next step which is to actually bring our high and

our low poly models into

marmoset and bake a couple of maps out of them.

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