Book Image

Hands-On Unity Game Development - Fourth Edition

By : Nicolas Alejandro Borromeo, Juan Gabriel Gomila Salas
Book Image

Hands-On Unity Game Development - Fourth Edition

By: Nicolas Alejandro Borromeo, Juan Gabriel Gomila Salas

Overview of this book

Take your game development skills to the next level. Dive into the world of game creation confidently by elevating your game development skills. This book is your definitive and practical guide to unlocking the full potential of Unity 2023. Every chapter is designed to empower you to customize your own game, not just replicate what's in the book. This new edition includes immersive Augmented Reality (AR) experiences and performance optimization with Data-Oriented Technology Stack (DOTS). From Scene Creation to seamless Assert Integration, dive into C# programming and Visual Scripting with step-by-step guidance for beginners. Implement dynamic gameplay elements, including movement, spawning, physics, and health systems. Delve deeper into the magic of Game AI through sensor-driven decision-making with Finite State Machines (FSMs). Elevate your visuals with materials, shaders, textures, and particle systems. Optimize performance with Profiler insights and debug your game for a polished final product. Whether you're a beginner or a seasoned pro, this book will equip you with the skills needed to bring your game ideas to life.

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Table of Contents (28 chapters)
Preface
Preface
Who this book is for
What this book covers
To get the most out of this book
Get in touch
Free Chapter
1
Section 1: Getting Started with Unity
Section 1: Getting Started with Unity
2
Embark on Your Unity Journey
Embark on Your Unity Journey
Installing Unity
Creating projects
Summary
3
Crafting Scenes and Game Elements
Crafting Scenes and Game Elements
Manipulating scenes
GameObjects and components
Understanding object Hierarchies
Managing GameObjects using Prefabs
Saving scenes and projects
Summary
4
From Blueprint to Reality: Building with Terrain and ProBuilder
From Blueprint to Reality: Building with Terrain and ProBuilder
Defining our game concept
Creating a landscape with Terrain
Summary
5
Seamless Integration: Importing and Integrating Assets
Seamless Integration: Importing and Integrating Assets
Importing assets
Integrating assets
Configuring assets
Summary
6
Section 2: Mastering Programming and Gameplay Mechanics
Section 2: Mastering Programming and Gameplay Mechanics
7
Unleashing the Power of C# and Visual Scripting
Unleashing the Power of C# and Visual Scripting
Introducing scripting
Creating scripts
Using events and instructions
Common beginner C# script errors
Summary
8
Dynamic Motion: Implementing Movement and Spawning
Dynamic Motion: Implementing Movement and Spawning
Implementing movement
Implementing spawning
Using the new Input System
Summary
9
Collisions and Health: Detecting Collisions Accurately
Collisions and Health: Detecting Collisions Accurately
Configuring physics
Detecting collisions
Moving with physics
Summary
10
Victory or Defeat: Win and Lose Conditions
Victory or Defeat: Win and Lose Conditions
Creating object managers
Summary
11
Starting Your AI Journey: Building Intelligent Enemies for Your Game
Starting Your AI Journey: Building Intelligent Enemies for Your Game
Gathering information with sensors
Creating transitions
Calculating our scene’s NavMesh
Summary
Learn more on Discord
12
Section 3: Elevating Visuals, Effects, and Audio
Section 3: Elevating Visuals, Effects, and Audio
13
Material Alchemy: Using URP and Shader Graph for Stunning Visuals
Material Alchemy: Using URP and Shader Graph for Stunning Visuals
Introducing shaders and URP
Creating shaders with Shader Graph
Summary
14
Captivating Visual Effects: Harnessing Particle Systems and Visual Effect Graph
Captivating Visual Effects: Harnessing Particle Systems and Visual Effect Graph
Introduction to particle systems
Creating fluid simulations
Creating complex simulations with Visual Effect Graph
Summary
15
Enlightening Worlds: Illuminating Scenes with the Universal Render Pipeline
Enlightening Worlds: Illuminating Scenes with the Universal Render Pipeline
Applying lighting
Applying shadows
Optimizing lighting
Summary
16
Immersive Realism: Achieving Fullscreen Effects with Post-Processing
Immersive Realism: Achieving Fullscreen Effects with Post-Processing
Using post-processing
Using advanced effects
Summary
17
Harmonious Soundscapes: Integrating Audio and Music
Harmonious Soundscapes: Integrating Audio and Music
Importing audio
Integrating and mixing audio
Summary
18
Section 4: Designing User Interfaces, Animations and Advanced Concepts
Section 4: Designing User Interfaces, Animations and Advanced Concepts
19
Interface Brilliance: Designing User-Friendly UI
Interface Brilliance: Designing User-Friendly UI
Understanding the Canvas and RectTransform
Canvas object types
Creating a responsive UI
Scripting the UI
Summary
20
Next-Gen UI: Creating Dynamic Interfaces with UI Toolkit
Next-Gen UI: Creating Dynamic Interfaces with UI Toolkit
Why learn how to use UI Toolkit?
Creating a UI with UI Toolkit
Making a responsive UI
Summary
21
Animated Realities: Creating Animations with Animator, Cinemachine, and Timeline
Animated Realities: Creating Animations with Animator, Cinemachine, and Timeline
Using skinning animation with Animator
Scripting animations
Creating dynamic cameras with Cinemachine
Creating cutscenes with Timeline
Summary
22
Performance Wizardry: Optimizing Your Game with Profiler Tools
Performance Wizardry: Optimizing Your Game with Profiler Tools
Optimizing graphics
Optimizing processing
Optimizing memory
Summary
23
From Prototype to Executable: Generating and Debugging Your Game
From Prototype to Executable: Generating and Debugging Your Game
Building a project
Debugging the build
Summary
24
AR/VR
AR/VR
Using AR Foundation
Building for mobile devices
Creating a simple AR game
Summary
25
Massive Worlds: Introduction to DOTS
Massive Worlds: Introduction to DOTS
Understanding what DOTS is
Creating our first DOTS game
Creating gameplay in DOTS
Summary
26
Other Books You May Enjoy
Other Books You May Enjoy
27
Index
Index

Collisions and Health: Detecting Collisions Accurately

As games try to simulate real-world behaviors, one important aspect of simulating is physics, which dictates how objects move and how they collide with each other, such as the collision of players and walls or bullets and enemies. Physics can be difficult to control due to the myriad of reactions that can happen after a collision, so we will learn how to properly configure our game to create physics as accurately as we can. This will generate the desired arcade movement feeling based on realistic collisions—after all, sometimes, real life is not as interesting as video games!

In this chapter, we will examine the following collision concepts:

  • Configuring physics
  • Detecting collisions
  • Moving with physics

First, we will learn how to properly configure physics, a step needed for the collisions between objects to be detected by our scripts, using new Unity events that we will learn. All of...

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