gitwtfhub

wtf is game-engine?

sairyss/game-engine — explained in plain English

Analysis updated 2026-07-17 · repo last pushed 2022-12-01

8CAudience · developerComplexity · 3/5Dormant

TL;DR

A curated collection of code examples and resource links for learning how to build a game engine from scratch in C++, covering windowing, rendering, input, and entity management.

Mindmap

mindmap
  root((repo))
    What it does
      Learn engine basics
      Working code samples
      Curated resource links
    Tech Stack
      C++
      SDL
      OpenGL
      EnTT
    Use Cases
      Study engine architecture
      Build small 2D game
      Teach engine design
    Audience
      C++ learners
      Game developers
      Educators

Code map

Detail Auto

An interactive map of this repo's files and how they connect — its source is parsed live in your browser. Click Visualize to build it.

filefunction / class

Why would anyone build with this?

REASON 1

Learn how to structure a game engine's core systems from scratch.

REASON 2

Find battle-tested libraries for windowing, graphics, physics, and entity management.

REASON 3

Use the code samples as a starting point for a small 2D game.

REASON 4

Teach or study game engine architecture with working examples.

What's in the stack?

C++SDLOpenGLEnTT

How it stacks up

sairyss/game-enginekritagya123611/ascentlexvicacom/monoblok
Stars888
LanguageCCC
Last pushed2022-12-01
MaintenanceDormant
Setup difficultyhard
Complexity3/55/5
Audiencedeveloperops devopsdeveloper

Figures from each repo's GitHub metadata at analysis time.

Yoink these prompts

Prompt 1
Explain how the windowing abstraction in this repo lets me swap SDL for another library without breaking my engine.
Prompt 2
Walk me through using EnTT for entity management the way this repo demonstrates.
Prompt 3
Show me how to set up an OpenGL rendering loop based on the patterns in this repo.
Prompt 4
Help me pick a math and physics library for my C++ game engine using the recommendations in this repo.
Prompt 5
Suggest next steps to extend this repo's examples into a small playable 2D game.

Frequently asked questions

wtf is game-engine?

A curated collection of code examples and resource links for learning how to build a game engine from scratch in C++, covering windowing, rendering, input, and entity management.

What language is game-engine written in?

Mainly C. The stack also includes C++, SDL, OpenGL.

Is game-engine actively maintained?

Dormant — no commits in 2+ years (last push 2022-12-01).

Who is game-engine for?

Mainly developer.

View the repo → Decode another repo

This repo across BitVibe Labs

Don't trust strangers blindly. Verify against the repo.