lisyarus blog

Particle Life simulation in browser using WebGPU

Estimating variance reduction in importance sampling

Simulating water over terrain

Exploring ways to mipmap alpha-tested textures

Implementing a tiny CPU rasterizer | Part 3: Interpolating colors

Implementing a tiny CPU rasterizer | Part 2: Drawing a triangle

Implementing a tiny CPU rasterizer | Part 1: Clearing the screen

(Yet another) Introduction to quaternions

Transforming colors with matrices

Demystifying multiple importance sampling

3D shape matching with quaternions

Computing forces in a system of beams, properly

Computing forces in a system of beams

So, you want to make a game engine

Quaternion derivatives

Complex numbers, Wirtinger derivatives and 2D inverse kinematics

Porting my C++ game engine to Android

Skeletal animation in glTF

Uniqueness of matrix inverses

Making a 2D soft-body physics engine

How not to design a UI library

Two-pass Gaussian blur coeffifients generator

My favourite animation trick: exponential smoothing

Super simple generic animation controller in C++

Building a quadtree in 22 lines of code

The quest for perfect collisions

C++ audio mixing library design

C++ behavior trees library design

A stupidly simple spatial data structure

A simple texture atlas packing algorithm

A better point light attenuation function

Compute shaders in graphics: Gaussian blur