Procedural Generation Tutorial 1 - Planes

In this tutorial I'll show you how to procedurally generate the vertices and indices of a plane both on the CPU and GPU.
Links for Compute Shaders
• Modern OpenGL Tutorial...
Discord Server
/ discord
Patreon
/ victorgordan
Timestamps
0:00 Intro
0:10 Simple Plane
1:03 Plane Indices
1:45 Line Generation
2:25 Complex Plane
3:10 Plane Attributes
3:38 GPU Generation
3:53 Outro
#proceduralgeneration #procedural #programming

[@nix3l_]

I love how you explain things in a concise and clear manner. Love the tutorial, i was actually looking for exactly this lol

[@VictorGordan]

Thank you for the compliment :) I'm glad you enjoyed it!

[@albertkoppelmaa7178]

Amazing tutorial, keep going like this! Can't wait for future episodes !

[@VictorGordan]

Thank you, good to hear you're looking forward to new episodes :)

[@fudgeracoon2529]

Finally, been waiting for this series forever. Might we get a hint what the next episode will be about ?

[@VictorGordan]

Most likely spheres, but who knows, might be about noise as well

[@yoyo12345]

Just learned how to render a triangle, and this sounds terrifying

[@VictorGordan]

It's not that hard haha, just read the code carefully and try to understand it ;)

[@veritas7661]

Hey man, thanks soo much for your videos! I’m starting my own open gl engine, and it helped a lot, even though I think you should make your videos explanations “slower”, any way, keep up with good content!

[@VictorGordan]

Thank you! If you wanna share stuff related to your engine you can join my Discord channel :)

[@starklosch]

1:24 that reminds me the Seb Lague's chess video xd. Btw nice video.

[@VictorGordan]

His content is awesome! He partially inspired me to make a YT channel haha

[@Y.Albasel]

will you please continue this series

[@truongannguyen4142]

Your animation is so good

[@VictorGordan]

Thank you! I try haha

[@SpaceCadet5100]

Nice video! Could you maybe boost the midrange on your mic in the fallowing vid?

[@VictorGordan]

I'm not that good with audio. What exactly sounds wrong?

[@austineadah2843]

Nice tutorials. Please could you recommend any good books on these shaders type and examples? Thanks in advance

[@VictorGordan]

I never read any procedural generation books, so I can't help you with that. If by "these shaders" you mean Compute Shaders, then I also have a tutorial on those ;)

[@austineadah2843]

@@VictorGordan thanks alot.I'm coming from a python background and I don't don't any background with openGl.wiling to learn and was thinking if there were some book that explains the different types of shaders regarding modern opengl

[@VictorGordan]

I explain all main shader types (vertex, fragment, geometry, tessellation, and compute) in my tutorials ;)

[@CodeParticles]

This is terrific! Couldn't you also use a black and white heightmap and use that value to calculate the y axis for the plane to generate a terrain this way? And you would increase the triangular mesh for more resolution thats what I did! =)

[@VictorGordan]

Heightmaps will get a whole video dedicated to them :)

[@MrHuman-iy5lw]

It was great tutorial

[@VictorGordan]

Thx! :)

[@giannism3114]

awesome

[@VictorGordan]

No, you're awesome 👉😎👉

[@michterion]

hi can you make video about making simple shader for minecraft ?

[@VictorGordan]

Hmmm, it's very unlikely that I will, but who knows, I might....

[@raghavkumar2867]

Why did you use 48 as the number of bytes per vertex in the glNamedBufferData call when each vertex is 80 bytes?

[@VictorGordan]

Ooops, mistake on my part. When I took the screenshot of the CPU side I was taking just pos, normal, uv, and padding ((4 + 4 + 2 + 2) ×4 =48) 😅

[@fatgolem69]

Please create a tutorial on loading cubemaps from a single image file or sprite sheet as in a big project there can be more than 32 textures(the max textures that can be binded at once in opengl)

[@VictorGordan]

I might make something like that at some point, but it's not a priority right now. If you want help with that, some ppl on my Discord channel might be able to help :)

[@fatgolem69]

@@VictorGordan Okay, no problem

[@samholland209]

You forgot the semicolons in the code.

[@raghavkumar2867]

Can you please shar ethe code

[@VictorGordan]

It's super messy, and I'm not sure if I even have it anymore. All the important code is in the video though

[@vanessaleonard709]

pr໐๓໐Ş๓ 😴

[@TristanPopken]

I saw that you used a struct of vertices and a buffer which you edit. But how do you set this up on the cpu side? Is it something with ssbo's or is it something else?

[@VictorGordan]

Yes. I show in the video that I create a VBO and an EBO which I link as usual to thr VAO except I don't plug in any data into them (I do set their sizes tho). I can then send the VBO and EBO as SSBOs to the compute shader to edit them. What's rly cool is that I don't need to transfer any vertices from the CPU to thr GPU since I can generate all of them on the GPU. Hope that clears things up! :)

[@TristanPopken]

​@@VictorGordan Ah, I see one last question, When returning the data back to the CPU, what is the layout of the data in the vbo? Will it be something like pos1, norm1, tan1, pos2, norm2, tan2 where it repeats itself? Or does it return the array differently?

[@VictorGordan]

I don't return the data to the CPU since I don't need it on the CPU. But yeah, the data is stored in the format you mentioned :)

[@TristanPopken]

@@VictorGordan Tysm!