Swift in Space - The N Body Problem

The N Body Problem is a computationally complex problem that we use to predict how planets and galaxies – and everything in between – move through space. I'll show you some interesting ways to calculate it, and we'll have a look at what to do, should you find yourself in a space ship's pilot seat.

This repository contains talk notes, example code, and general preparations for my talk about the N-Body Problem.

A Note about Versions

This branch contains the Swift version of this talk. For an older version with example code in Python, look at the python branch.

Bodies and Planetoids

The idea here is to a have two types of bodies: Body, and Planetoid, where Body might be something tiny and Planetoid is something that has considerable mass. Planetoids are also Bodies, but the inverse is not true.

Right now, Body instances are pretty much ignored and only Planetoid instances are accelereated. This should change at some point.

To Dos

• merge timeSteps and ticks and such
• Bodys that are not planetoids should be able to be accelerated
• explode bodies when they crash into each other 💥
• Update Readme with UniverseScene, Initializers, Calculations