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- Design and program NPCs with C# in Unity
- Explain how AI is applied in computer games
- Implement AI-related Unity Asset plugins into existing projects
- Work with a variety of AI techniques for developing navigation and decision making abilities in NPCs
This lecture introduces the course by outlining all the content that will be covered with a section by section breakdown.
In this lecture we will get an overview of vectors and why they are an important concept to have an understanding of before you launch into programming the movement of an NPC.
Graph Theory underpins so many AI techniques and it certainly deserves some focussed attention. In this lecture we will examine the structure of graphs and several path searching algorithms will be discussed.
In this lecture we will modify the pathfinding exercise created thus far and introduce the concept of a NavMesh. This will reduce the amount of code we need to write as well as the time taken to setup a waypoint system manually.
The test of a NavMesh is to try it out with a real character in a real situation. It's then you'll find glitches in the default settings and automatically generated paths. Without having to remodel the environment, off-mesh links can be generated to provide smooth paths were their aren't any. In this lecture we will make a character follow a first person player character around a map while tweaking the NavMesh to handle different situations when gaps and drops appear in the NavMesh.
In order to include multiple navmeshes to cater for multiple different navmeshagent sizes we need to turn to some beta code that isn't currently included in Unity but available for download and inclusion. In this lecture we will walk through the setups of creating multiple navmeshes after a quick refresher on setting up humanoid animations with strafe sets.
We continue our examination of sequences in this lecture by creating a longer set of actions and modifying different behaviour tree specific returns discover what makes sequences run and fail. Towards the end we will start creating a new behaviour tree for attacking and take a look at the wait leaf node.
- You should be familiar with C# and the Unity Game Development Engine.
Do your non-player characters lack drive and ambition? Are they slow, stupid and constantly banging their heads against the wall? Then this course is for you. Join Penny as she explains, demonstrates and assists you in creating your very own NPCs in Unity with C#. All you need is a sound knowledge of Unity, C# and the ability to add two numbers together.
In this course, Penny reveals the most popular AI techniques used for creating believable character behaviour in games using her internationally acclaimed teaching style and knowledge from over 25 years working with games, graphics and having written two award winning books on games AI. Throughout, you will follow along with hands-on workshops designed to teach you about the fundamental AI techniques used in today's games. You'll join in as NPCs are programmed to chase, patrol, shoot, race, crowd and much more.
Learn how to program and work with:
the A* algorithm
Contents and Overview
The course begins with a detailed examination of vector mathematics that sits at the very heart of programming the movement of NPCs. Following this, systems of waypoints will be used to move characters around in an environment before examining the Unity waypoint system for car racing with AI controlled cars. This leads into an investigation of graph theory and the A* algorithm before we apply these principles to developing navmeshes and developing NPCs who can find their way around a game environment. Before an aquarium is programmed complete with autonomous schooling fish, crowds of people will be examined from the recreation of sidewalk traffic, to groups of people fleeing from danger. Having examined the differing ways to move NPCs around in a game environment, their thinking abilities will be discussed with full explanations and more hands-on workshops using finite state machines and behaviour trees.
The follow-along workshops included in the course come with starter Unity asset files and projects complete with solutions. Throughout, there are also quizzes and challenge exercises to reinforce your learning and guide you to express your newfound knowledge.
At the completion of this course you will have gained a broad understanding of what AI is in games, how it works and how you can use it in your own projects. It will equip you with a toolset to examine any of the techniques presented in more depth to take your game environments to the next level.
What students are saying about this course:
This has been my favourite Udemy-Unity course so far. It took me from literally 0% knowledge of how game AI is achieved, and took me to a whole new level. Waypoints, pathfinding, state machines, etc etc etc are all covered in-depth and will reveal the magic (spoiler alert: it isn't magic) behind making your computer characters seem like they really have a mind of their own.
Oh My God. I love her way of teaching things. I haven’t finished this course yet. But all i can say is that it is another brilliant course from her. Artificial intelligence by itself is a tricky thing to do. And before starting this course i never thought that i will understand anything in it. But i was wrong. With her style of teaching, you will learn how to move your characters in an ”intelligent“ way. This course is perfectly sliced and the pace is wonderful.
- Anyone interested in learning how to program their own non-player characters (NPCs).
- Anyone interested in seeing how artificial intelligence is applied in computer games.