How to build Lightmaps in Unity 2020.1 | Tutorial

In this video, we are going to take a look at Lightmapping in Unity 2020.1 to help you create fast and beautiful lighting in your scene.

Learn more about Lightmapping in 2020.1 from our Docs!

Interested in the newest Graphics Features we added in 2020.1? Click here!

Download the Spaceship Demo we used in this video here!

Chapters:
00:00 Intro
00:18 Global Illumination
01:00 Baked Lights and Static Geometry
03:26 Baking the Scene
04:55 Ambient Occlusion
05:49 Lightmap UVs
07:26 Final Bake

Unity Version used 2020.1

[paulhoover]

Thank you for this! This video is SO much better than several similar tutorials on baked lighting. The information is comprehensive and relevant to what one needs to know to successfully set up a scene. It's presented clearly and concisely without long, drawn out and superfluous chatter.

[tzmedia]

This was very helpful. I wasn't getting the output I was expecting on a recent bake and this tutorial showed me what I'd missed. Thank you!

[MsRedNebulaPlays]

Incredibly useful, thank you! I'm working on an asset pack for the Unity store and wanted to make sure I had my UVs set up properly to work with baked lighting, and this covered everything I need to know very nicely.

[biocronic]

First real good tutorial I saw these days. Thank you very much.

[AlexStrook]

that was such a clear explanation, great job !

[walaoRIKi]

good to see this tutorial, definitely helpful for mobile developer. Also note that the metallic and specular effect will not work on baked object

[Oxmond]

The Progressive Light Mapper is awesome! 😻😻😻

[Frologics]

WARNING: Baking a huge scene may cause PC to explode

[michaelshollaj]

Thanks for everything, Unity best engine ever !!!

[DavidVille]

At 1:18 "... which dynamic lights cannot do without leveraging other technologies such as Unity's Real-Time GI System"

Want to elaborate about that? because enlighten was deprecated right? so what is that Real-Time GI System?

[nichegames]

Light in unity feels difficult to me. I should probably watch more tutorials.

[guillaumedeschamps]

Thank you very much for this incredible complete and clear video about such an important subject !
I am working on a projet where the scene is procedurally created (blocks of a corridor are created as you go along) . So i wonder if there is a specific workflow, when you can't see the final scene in the 3D view ?
Thanks again !

[sciencetablet]

I was having problems with squaree artifacts, did the generate lightmap UVs option and everything appears smooth now.

[astyy]

We need prefab lightmaps! This is a feature that needs official support.

[DavidVille]

What are those icons with 4 Unity logos at 2:35 ? some sort of multiscene ?

[Shamysoza]

Is the wireframe glitch gone when selecting objects in Baked Lightmap mode?

[muhammadumair]

Everything is old as before. Nothing new or improved in lightmapping, except for that margin calculation. Bakery GPU lightmapper is still way better than Unity's lightmapper with smaller lightmap size and better quality. Unity should buy bakery lightmapper and make it part of Package manager.

[tworulegames]

After baked lightning, are we should change the cast shadows off for these meshes?

[maxostlund]

Is it possible to import a .fbx-file with multiple 3D-objects, where only a few have a second UV-channel for lightmapping and then generate UV-data for only the rest of the objects, that do not have a second UV-channel?

[cadends]

I have all of my lightmap settings higher than the ones in this video yet mine still look worse