What is Ray Tracing?

Ray tracing has made headlines lately as the rendering method of the future for games - but what exactly is it, and how can it make your games look more realistic?





Intro Theme: Showdown by F.O.O.L from Monstercat - Best of 2016

[FizzleFX]

*you get a friend named Ray* ... and then follow him without knowing

[LeoCoot]

they said it's easy for game developers to use RT you can just throw it in there, if that's true i just need one thing, RT for older games, New Vegas will be a good start.

[TechRide.]

"Just buy it" - Tom's Hardware

[mal]

Graphic keeps getting better and better while the physics are still bad

[visibleconfusion]

But i am in a dark room with no lights on

[rohitbankar]

how about games with no dlc and good storyline rather than having a super reflective spoon

[fayce]

I'm here because of ray traced minecraft videos

[franticskunk]

YouTube is getting really brave now with these double ads

[WADEY]

2018:
Nidia & AMD: Raytacing!!!
Game Devs: BattleF13ld V!


2019:
Nvidia: RTX 2080ti!!!!
Game Devs: Minecraft!!!!

[NathanJohnson]

2018: Why are we Tracing Ray?
2020: PS5- I FOUND RAY!

[allansh]

Would you make video about NV-Link as well?

[TheRealBleach]

Thanks for making this video. I was confused on the topic

[ly_is_music_alt]

Funny how u show Minecraft as an example of no ray tracing but now we have ray tracing in Minecraft lol

[JacopoMTK]

Could've been good to also add a frame where the ray bounces from an object to another object, and then to a light source, to show that it's not just a camera->1 obj bounce->light kind of thing. But overall, straightforward explanation.

[soejrd]

As a Blender Cyclic user, I love ray tracing

[sharif]

I finally figured out what the RTX 2080 stands for
Real Time + Ray Tracing
=RT + RT
RT X 2 X 10+80
=RTX 20 + 80
RTX 2080

I have no idea what I'm doing right now.

[jackshi]

The old method is not necessarily just rasterization. It is a part of the vision pipeline (often the end). You would write a lighting model for your object. This result in bad shadow, reflection and refraction (although techniques such as shadow mapping does work to a degree).

[MrCasatony]

who else knows "a lot" about ray tracing but still clicked on the video because its linus

[HelloKittyFanMan.]

Very interesting, Linus, thanks for explaining that! I've been hearing the term for years, wondering what it meant, thinking about looking it up someday and then always forgetting or never getting around to it, and this video explains it pretty well!

[bibasik]

In America, you trace ray.
In Soviet Russia, ray trace YOU!