[No coding] Editing Shaders

Step 1
In this lesson we'll work on editing shaders, texture sheets and making stuff looks very metal/shiny!
Step 2
Open Unity and create project or create a new scene if you already have Unity opened.
Step 3
It will be hard to see shaders on regular 3D cubes, spheres, etc. Let's use swords! Download this pack! (3.5mb)

Click on the Asset Store tab, look up "Basic Sword Pack" and import.

Temp1544473216 Temp1544473297
Step 4
Open the package folder, open the models folder, and choose a sword, click and drag it into the scene/hierarchy.

I chose an Ancient Sword.

Step 5
The sword current looks dark, let's rotate it first so we can see the long side facing up.
Step 6
The sword is too small, scale it to 2 for x,y,z. Then create a cube over it so half of the sword has a shadow.
Step 7
Select the sword in the Hierarchy and let's see what the inspector for this object is like!
Step 8
Change the shader type to Standard
Step 9
Hmm, we need a light to see how shiny the sword is. Let's make a point light! Create one in the Hierarchy.
Step 10
Let's move this point light up above the sword so it shines on it properly. And the light Icon is too big.

Click Gizmos near top right of Scene window and uncheck 3D Icons to make the giant light icon shrink/disappear.

Check Your Work
Step 11
Now we can click and drag our light around the sword to see it's shader's shininess!
Step 12
Now let's try editing our shader! First let's try changing the color tint.

Click color box for Albedo and then pick any color.

Step 13
Next let's try to Change the Metallic to maximum and then rotate the sword slowly. To see how it works with lighting.
Step 14
To make it look even more metal or crystal-like, let's also set the smoothness to maximum!
Step 15
Let's now move onto texture sheets. Did you notice all the texture images in the project? They all connect to 3D models!
Step 16
Find that file, open the folder where it's located, and then open it with paint.

First Right click on the texture sheet image, Open in Explorer.

After opening it in the folder explorer, right click on the file, and then Open with Paint.

Step 17
Here we have all the sword parts mapped onto our 3D sword in Unity! Try to mess around, save it, and look at Unity!
Step 18
In Paint, let's draw something random all over, press CTRL+S to save, then switch back over to Unity. What do you see?

Even pasting images over into the texture sheet could work too!!

Step 19
This works from how the sword is mapped from whichever 3D program it was created from.

3D programs that the sword was made in, could be Maya, Blender, SketchUp, Fusion 360, etc.

Step 20
Let us try one more shader type called "Unlit". Select the sword, change shader to Unlit>Color.
Step 21
This means to make the sword one single color that is always Lit or light up completely. So no light will reflect on it.
Step 22
Let's try Unlit>Texture next. This means it's using it's own texture sheet at 100% brightness, no shadows or light.
Step 23
This 3D model only has 1 shader on it, let's do another 3D model with multiple shaders!
Step 24
After downloading the Hedgehog, click and drag it into your project panel.
Step 25
You notice that a Materials folder is automatically created. This is where your 3D model's materials will be.
Step 26
Click and drag your 3D model into the Hierarchy. Click on the drop down arrow on it and click on "Circle" to select it.
Check Your Work
Step 27
With "Circle" selected, look at inspector on the right of the screen.

You'll see a list of 5 shaders all connected to the Hedgehog 3D model.

Step 28
In the Materials folder on your project panel, you'll see the same materials from this model.
Step 29
Try changing the hedgehog's colors to any color you want using these 5 materials!
Step 30
Play with more settings and customize this 3D model's shaders as much as needed!
Step 31
You're done with this lesson! Click submit and continue on the next part on Lighting!
[No coding] Editing Shaders Info


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Created By

Nepgear tina (instructor)


[No coding] Unity Basics

Access Level


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