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Game Physics - Introducing Gravitation & Rotation in Unity (Udemy.com)

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

4.6
1,215 reviews

Created by: Ben Tristem

Last updated January 2019

Our take

Based on the ratings of 1,215 students and a sample of their written reviews. No course pays to be reviewed.

This is a short, narrow course from Ben Tristem on building your own rigid body physics from scratch in Unity, using C# to translate Newton's laws into working code. At 5.7 hours, it is meant as a companion piece for people who already know Unity and C# and are running into the limits of the built in physics engine, not a general intro to game development.

Reviewers who already had the prerequisites like it a lot. Reviewers call Ben a clear teacher, and one says the course finally explains what Unity's physics is doing under the hood instead of treating it as a black box. The complaints cluster around two things: some students found the early lectures too basic for an intermediate label, since they cover installing Unity and opening MonoDevelop before getting into the real material, and a couple of reviews flag that the course still runs on Unity 4 with small unfixed script issues, since Udemy lists it as no longer actively supported.

For the price of a single focused topic, it delivers exactly that: gravitation and rotation, not a full engine. Sitting next to broader Unity courses on the site, this one is the deep dive rather than the starting point, so pair it with Ben's Complete Unity Developer course first if the basics are shaky. Anyone comfortable with Unity and C# who wants to actually write physics code instead of relying on defaults should find it worth the short time investment.

Best forIntermediate Unity developers who want to understand gravity and rotation code, not just use built in physics.
Skip it ifYou are new to Unity or C#, or you want a modern, actively maintained course instead of this Unity 4 one.

Pros

  • Walks through building rigid body physics from scratch, not just using presets
  • Reviewers say Ben Tristem explains the concepts clearly
  • Short and focused at 5.7 hours, a quick companion course
  • Comes with an optional free community site to share projects with other students

Cons

  • No longer actively updated, and still built on Unity 4 with a few unfixed small script bugs
  • Opens with basic Unity and MonoDevelop setup despite being labeled intermediate
  • Very narrow scope, covers gravitation and rotation only, not a full physics engine
Instant 5 Stars!!! I've been waiting to hear an instructor explain Unity as a shell. You have to code the physics required or without you lack.
Brandon Burroughs, a student

Meant for those already comfortable with Unity and C#, not a starting point for physics or programming beginners.

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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.

How it compares

Against the other 183 rated Udemy courses in Unity on CourseDuck:

  • Rating4.6 out of 5higher than 63% of them
  • Reviews1,215#37 of 184 by number of reviews
  • Length5.7 hoursshorter than 71% of them
  • Last updatedJanuary 2019earlier than 79% of them

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Quality Score

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Overall Score : 92 / 100

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Course Description

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 components.
  3. Improve your knowledge of Newtons Laws of Motion.

Note: We 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!

Read More Intermediate Intermediate Level product length iconTime: 5.7h

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Instructor Details

Ben Tristem

Hi, I'm Ben. I have a degree in computing from Imperial College London, and a physics diploma from the Open University. 

I started working for myself at the age of 15, and never looked back. I explored careers as varied as being a commercial pilot, stunt-man, rock climbing instructor, and more. None of these provided a continued challenge, and stable income in the same way technology does. 

After building and selling a home computer support business, I became an angel investor and business mentor here in Cambridge UK. I fell in love with teaching game development through one of my investments, and I now spend all of my time sharing my passion with people like you. 

I can't wait to help you experience the fulfilment, and financial freedom, that having a deep understanding of technology brings. 

So why not start learning to make games with me and my team now?

See you soon! 

Ben

Read More

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Reviews

4.6

1,215 ratings on Udemy

Select a bar to show only those reviews.Select the bar again to show every rating.

Write a review

By Nic B on 9/6/2021

I really love everything from GameDev.TV. I appreciate that while this course is a little old, the concepts are obviously still valid and using a newer version of Unity never hindered my progress. Excellent for beginners, however, after watching a general professional talk about game physics (GDC talk on interesting jump physics), everything STILL flew over my head. Despite me studying hard the contents of this course, I just wish this would prepare me a little more for real world, industry standard game physics applications because the formulas the GDC talk spoke of were highly intimidating. Otherwise, great foundation. Thanks a lot!

By Benjamin Timms on 11/1/2020

Great stuff, and coming from an engineering background it was cool to see how Unity handles things.

By Aral Burak Doan on 9/20/2020

Game development ile ilgili tek skntm fizikti ve imdi onu da zeceim bu kursla

By Muhammad Bushnaq on 9/15/2020

amazing

By Costin Cristian Neamtu on 9/3/2020

Always worked in 2D, mostly creating game economies for strategy games, I find 3D movement and pysics difficult.

By sinan M89 on 8/26/2020

Im getting the basics of physics engine extensions. Its easy to follow, instructor is concise and doesnt ramble. The supplemental resources are super helpful and the challenges are a good way of trying out things and checking with video afterwards.

By Maxim Levy on 8/23/2020

Create course as expected from Ben. Great for getting a deeper of how physics affects games.

By Anand Satheesan on 7/1/2020

I just loved this course altogether. This course made me realize how dumb I was in school, and how much there is to learn more about this strange world. The most important thing, this course taught me is the importance of research, and how cool it was to actually learn about these things that i hated back in school. I had fun playing around with game physics overall. I would have loved to watch more content inside this course as well.

By Olivier Raveneau on 6/10/2020

Un cours trs intressant, qui mriterait un gros dpoussirage, plus de contenu et un portage sur la dernire version d'Unity.
La note maximum est l pour vous y encourager.

By Marcelo Gonalves on 6/7/2020

As usual, Ben drives a great course.

By Jos Tomas Varela Correa on 5/27/2020

This course teach physic as example in Unity and it can be useful for my future projects. I hope this course update to the new version of unity

By Pedro Amiguinho on 5/23/2020

This course has lots of potential but it could have been better structured and go deeper into certain subjects.
Section 1 about Newtons laws of Motion is quite detailed, but the following sections feel unfinished and incomplete.
It would be great to have a updated version of this course.

Showing 12 of 374 reviews

Game Physics - Introducing Gravitation & Rotation in Unity
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  • Video Duration: icon 5.7h
  • Price: $13.99
  • Provider: icon Udemy
  • Updated: icon January 2019
  • Level: Intermediate Intermediate
  • Language: icon English
  • Certificate: icon Yes
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