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Simulating an Entire Car Engine (yes, it makes noise)

AngeTheGreat · demo · Watch on YouTube

Cars, EVs & motorcyclesGame programming & enginesComputer graphics & rendering

What it is

AngeTheGreat describes building a physically realistic internal combustion engine simulator in C++, drawing on fluid dynamics, physics and chemistry. It generates procedural audio for engines such as a V8.

Why Hacker News recommends it

HN points to it as a standout example of physics-based sound synthesis and engine simulation.

  • 4 people recommended it
  • 4 different months
  • 1 strong recommendations
  • first 2023, last 2025

What HN commenters said

  1. “AngeTheGreat's incredible video series showing his engine simulator- absolutely worth checking out”

    Real-time engine simulation generating realistic sound

    mhink, 2025-07 · Strong recommendation · in “Programming vehicles in games”

  2. “that engine noise generator that uses a full physical simulation”

    Full physical engine simulation that generates engine noise

    Fr0styMatt88, 2023-01 · Recommendation · in “Ultibo – Bare-Metal Pascal for Raspberry Pi”

  3. “You might find this software interesting”

    Engine noise synthesis software

    pengaru, 2023-12 · Recommendation · in “Dynamic music and sound techniques for video games”

  4. “Another physical audio simulation I like is the engine sound simulator made by AngeTheGreat”

    Physical audio simulation of engine sound

    modeless, 2025-05 · Recommendation · in “Show HN: I built a synthesizer based on 3D physics”

Excerpts from Hacker News comments, linked to the originals. Summaries and labels were written by a language model from those comments.

Topics: engine simulator, procedural audio, physics simulation, c++, game development

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