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@raysan5
raysan5 / custom_game_engines_small_study.md
Last active December 2, 2025 17:16
A small state-of-the-art study on custom engines

CUSTOM GAME ENGINES: A Small Study

a_plague_tale

WARNING: Article moved to separate repo to allow users contributions: https://github.com/raysan5/custom_game_engines

A couple of weeks ago I played (and finished) A Plague Tale, a game by Asobo Studio. I was really captivated by the game, not only by the beautiful graphics but also by the story and the locations in the game. I decided to investigate a bit about the game tech and I was surprised to see it was developed with a custom engine by a relatively small studio. I know there are some companies using custom engines but it's very difficult to find a detailed market study with that kind of information curated and updated. So this article.

Nowadays lots of companies choose engines like [Unreal](https:

@JakubNei
JakubNei / MyQuaternion.cs
Last active June 8, 2023 17:14
A custom completely managed implementation of UnityEngine.Quaternion. Base is decompiled UnityEngine.Quaternion. Doesn't implement methods marked Obsolete. Does implicit coversions to and from UnityEngine.Quaternion
using System;
using UnityEngine.Internal;
using UnityEngine;
using System.Runtime.Serialization;
using System.Xml.Serialization;
/// <summary>
/// Quaternions are used to represent rotations.
/// A custom completely managed implementation of UnityEngine.Quaternion
/// Base is decompiled UnityEngine.Quaternion