Game Physics - Introducing Gravitation & Rotation in Unity

Game Physics - Introducing Gravitation & Rotation in Unity

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Course Description

Step-by-step tutorial on how to create a basic rigid body motion physics from scratch. Taught in C# using Unity 3D free.


  • You need to be comfortable with Unity 3D
  • You need to be comfortable with C# scripting.
  • You should be able solve basic algebra equations.


Learn to build your own game physics engine. By the end of this mini-course course you will have gained confidence in translating theories of physics into working game code.

I will be teaching using Unity 3D free as the example game engine. I expect you to have some experience with both Unity 3D, and C# before starting this course. If you don't then check out my Complete Unity Developer course.

Why would you take this course?

  1. To understand game physics better.
  2. Practice creating your own physics compone

  3. Improve your knowledge of Newtons Laws of Motion.

NoteWe are no longer actively supporting this course, however if we do revisit this subject in the future then students on this course will get the updated content.

Access to this course does come with an optional, free community site where you can share games and 3D models, as well as connect with other students.

See you in there!

Who this course is for:

  • This course is ideal for you if you're running into the limits of your game engine's physics.
  • If you are not confident in how your game engine's physics works "under the hood", this course will give you that insight.
  • This course is probably not for you if you're a physics PhD, who is already confident in coding!

What you will learn

  • Translate new laws of physics to code.

  • Understand how game engine physics works.

  • Extend the capabilities of Unity 3Ds physics engine.

  • Transfer this knowledge to other game engines.


Section 1: Introduction & Setup

Section 2: Newtons Laws of Motion

Section 3: Simple Rotation

Section 4: Making Contact