Chrs Msln FuriouZz

CUSTOM GAME ENGINES: A Small Study

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:

How to Calculate a Rotation Matrix to Align Vector A to Vector B in 3D

Based on 'Avoiding Trigonometry' by Íñigo Quílez

Expanded derivation by Kevin - 29/11/18

Introduction

Original article: https://iquilezles.org/www/articles/noacos/noacos.htm

Mac limit bandwidth

Enable firewall

Apple menu -> System Preferences -> Security & Privacy -> Firewall

sudo pfctl -e

Example

sudo dnctl pipe 1 config bw 10Kbit/s

	// Tested on https://thebookofshaders.com/edit.php

	// bezier function from https://www.shadertoy.com/view/sdjBRy
	// if more control point needed : https://github.com/yiwenl/glsl-bezier-curve/blob/master/index.glsl

	#ifdef GL_ES
	precision mediump float;
	#endif

	uniform vec2 u_resolution;

	---
	created: <% tp.file.creation_date() %>
	---
	tags:: [[+Daily Notes]]

	# <% moment(tp.file.title,'YYYY-MM-DD').format("dddd, MMMM DD, YYYY") %>

	<< [[Timestamps/<% tp.date.now("YYYY", -1) %>/<% tp.date.now("MM-MMMM", -1) %>/<% tp.date.now("YYYY-MM-DD-dddd", -1) %>\|Yesterday]] \| [[Timestamps/<% tp.date.now("YYYY", 1) %>/<% tp.date.now("MM-MMMM", 1) %>/<% tp.date.now("YYYY-MM-DD-dddd", 1) %>\|Tomorrow]] >>

	---

	using UnityEngine;

	[RequireComponent( typeof(Camera) )]
	public class FlyCamera : MonoBehaviour {
	public float acceleration = 50; // how fast you accelerate
	public float accSprintMultiplier = 4; // how much faster you go when "sprinting"
	public float lookSensitivity = 1; // mouse look sensitivity
	public float dampingCoefficient = 5; // how quickly you break to a halt after you stop your input
	public bool focusOnEnable = true; // whether or not to focus and lock cursor immediately on enable

	import { useRef } from 'react';

	let uniqueId = 0;
	const getUniqueId = () => uniqueId++;

	export function useComponentId() {
	const idRef = useRef(getUniqueId());
	return idRef.current;
	}

	@echo off
	setlocal ENABLEEXTENSIONS ENABLEDELAYEDEXPANSION

	::this also support calls that contains a absolute windows path

	::check of one of the params contain a absolute windows path
	echo.%* \| findstr /r /c:"[a-z]:[\\/]" > nul
	if %errorlevel% == 1 (
	::if not just git with the given parameters
	call :git %*

	Shader "Name" {

	Properties {

	_Name ("display name", Range (min, max)) = number
	_Name ("display name", Float) = number
	_Name ("display name", Int) = number
	_Name ("display name", Color) = (number,number,number,number)
	_Name ("display name", Vector) = (number,number,number,number)

	type None = {
	flatMap<U>(f: (value: null) => Option<U>): None
	getOrElse<U>(def: U): U
	isEmpty(): true
	map<U>(f: (value: null) => U): None
	nonEmpty(): false
	orElse<U>(alternative: Option<U>): Option<U>
	}

	type Some<T> = {