Creating a Voxel Engine (like Minecraft) from Scratch in Python

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OpenGL Tutorial for creating a Voxel 3D Engine like Minecraft using Python. Libraries and modules used: Pygame, ModernGL, Numpy, PyGLM, Numba, OpenSimplex

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Code for each stage:

Source Code:

A Fast Voxel Traversal Algorithm for Ray Tracing (in CUDA C):

00:00:00 Intro
00:00:55 OpenGL Window
00:04:33 Initial Setup
00:10:56 Chunk
00:21:13 World of Chunks
00:28:15 Shading
00:36:15 Packed Data
00:40:38 Interaction with Voxels
00:49:28 Frustum Culling
00:54:27 Texture Array
00:57:23 Terrain Generation

#coderspace #minecraft #python

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This channel is quite the gem for learning about computer graphics, not only you provide optimal code but also an effective explanation of what we want to program and the logic to achieve it.

Honestly feels like im stealing just by watching this for free, cant wait for the next tutorial.

mokouu

I like how you made chunks cubic and not tall because you can tile them vertically now and have more height than in Minecraft

rogercruz

I love your style of making videos. You have adequate explanation of what you're doing but never go into too much depth that you stray away from your workflow. Really interesting to see each project start to form.

whupass

incredible work! thanks so much! its so fun to play around with your code to visualize world generation through noise

QuickCodeSnippets

I was going to leave a comment about how you're supposed to pick a *faster* language than Java when making a minecraft clone, not an *even slower* language, but wow, Numba JIT has really changed the game for Python. That's awesome.

I also love how, in a Python video, you unabashedly approach bit twiddling without scaring away the high-level programmers. You've done an amazing job teaching this stuff.

delphicdescant

you dont know how useful this tutorial is and how much you have opened the barrier entry for people like me to make voxel games. thank you.

Coloride

I have a voxel engine with a different approach. Storing chunks in a single texture array (single byte value for the material id). This is of course using more memory adding some limitations, but it adds other possibilities like doing chunk reduction in transform and compute shaders. From the texture data I can compute all the reduced chunks into a single vbo and render all the chunks using indirect rendering. It also adds a lot of possibilities for lighting since you can step through the chunk data in the texture using bresenham to add some farily impressive lighting since you can cheaply cast rays. There are probably several other ways you can approach it. The goal was to keep things pure python (no numba) as a challenge.

SuperGrimmy

Thank you so much for this video! Saw it drop last night and couldn't help but stay up until 1am just working on the first 10 minutes...😅

HisDivineShadow

This is an amazing tutorial. I myself am dabbling in voxel game creation, can't wait to try out these things in Rust by myself!

idedary

Bro I just wanted to say they your channel is so underrated (I know really cliche to say this but it’s true), the things you have made have learnt me so so much. Ty for this!! ❤

Huhhh.

This is the first video to get me to understand opengl.

Twingamerdudes

It's great that you have made a video of this because I have tried to create voxels on my own and it was never easy to do it on my own, and my level of English is low and it is difficult to understand the forums that talk about this topic.

ezequiel

Finally, what I always wanted. You are a programming beast

alexanderdavidportilloolme

damn you made the ambient occlusion convincing

bloom-mania

Love your videos, currently implementing my own in Rust and a lot of your code has come in really handy to help me understand certain things, like ambient occlusion!!

jumbledfox