3d Game Development With Unity

398 Pages·2022·60.52 MB·english

by  Lanzinger

3D Game Development
with Unity

3D Game Development
with Unity
Franz Lanzinger
First edition published 2022
by CRC Press
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and by CRC Press
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© 2022 Franz Lanzinger
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Library of Congress Cataloging‑in‑Publication Data
Names: Lanzinger, Franz, author.
Title: 3D game development with Unity / Franz Lanzinger.
Other titles: Three D game development with Unity
Description: First edition. | Boca Raton: CRC Press, 2022. |
Includes bibliographical references and index. |
Summary: “This book teachesbeginners and aspiring game developers how to develop 3D games with Unity.
Thousands of commercial games have been built with Unity. Blender, the top open source 3D modeling and animation
package, is also introduced”—Provided by publisher.
Identifiers: LCCN 2021045810 | ISBN 9780367349219 (hbk) |
ISBN 9780367349189 (pbk) |ISBN 9780429328725 (ebk)
Subjects: LCSH: Computer games—Programming. | Three-dimensional display systems. | Unity (Electronic resource)
Classification: LCC QA76.76.C672 L36338 2022 | DDC 794.8/1526—dc23
LC record available at https://lccn.loc.gov/2021045810
ISBN: 9780367349219 (hbk)
ISBN: 9780367349189 (pbk)
ISBN: 9780429328725 (ebk)
DOI: 10.1201/9780429328725
Typeset in Minion
by codeMantra
Contents
Acknowledgments, xi
Author, xiii
Introduction and Overview, xv
Part I Basics of 3D Game Development
ChaPter 1 ◾ Software Tools 3
YOUR COMPUTERS 3
NOTES FOR MAC USERS 5
VISUAL STUDIO 5
TYPOGRAPHIC CONVENTIONS 6
HELLO WORLD! 7
C# 8
UNITY 9
GIMP 10
BLENDER 14
AUDACITY 22
ChaPter 2 ◾ A 3D Game 25
PROJECT SETUP IN UNITY 25
IMPORTING THE TOY CAR 28
MAKING THE WORLD IN BLENDER 29
MAKING TEXTURES IN GIMP 34
MATERIALS IN UNITY 36
IMPROVING THE CAR 48
GAMEPLAY 56
CREATING BUILDINGS WITH THE ARRAY MODIFIER 63
SOUND 70
v
vi ◾ Contents
ChaPter 3 ◾ 3D 73
3D COORDINATES 73
3D IN BLENDER 75
3D IN UNITY 80
CAMERA VIEWS 82
3D ASSETS 86
ChaPter 4 ◾ Designing a 3D Remake 89
THE 2D GAME: DOTGAME 89
REMAKING DOTGAME 91
CONTROLS 92
THE CAMERA 92
ChaPter 5 ◾ 3D Dottima Character 93
SETTING UP THE PROJECT 93
MODELING 3D DOTTIMA IN BLENDER 94
TEXTURE PAINTING DOTTIMA 101
CONTROLLING DOTTIMA IN UNITY 107
ChaPter 6 ◾ Blender Modeling and Animation 111
REMAKING DOTROBOT FOR 3D 111
TEXTURING DOTROBOT 112
IMPORTING TO UNITY, PART 1 116
EXPERIMENTAL RIG 118
RIGGING DOTROBOT 127
REANIMATING DOTROBOT 133
IMPORTING TO UNITY, PART 2 138
ChaPter 7 ◾ More Art Assets 141
THE UNITY ASSET STORE 141
MILLIONS OF MESHES ON THE WEB 145
FREE TEXTURES 146
3D M ODELS FROM THE 2D GAME 146
3D P LAYFIELD WITH COLLISIONS 147
Contents ◾ vii
ChaPter 8 ◾ First Playable 163
MOVING THE CAMERA 163
THREE LEVELS 165
3D S PIKERS 167
3D ARROWS FOR DOTTIMA 171
ARROWS IN UNITY: DOTTIMA INSTANTIATES ARROWS 176
ARROWS IN UNITY: ARROW MOVEMENT AND DIRECTION 180
ARROWS IN UNITY: COLLISION DETECTION FOR ARROWS 183
3D BLOCKADE 187
ChaPter 9 ◾ Game Structure 191
GAME STATE 191
GAME OVER 195
ChaPter 10 ◾ More Game Objects and a Large Level 199
DOTROBOT 199
BOMBS 204
A LARGE LEVEL 213
ChaPter 11 ◾ Sound and Music 217
REVIEWING SOUND AND MUSIC FROM THE 2D GAME 217
ANOTHER SOUND EFFECT 220
MORE MUSIC WITH MUSESCORE 222
3D AUDIO 224
ChaPter 12 ◾ GUI and Cutscenes 227
THE TITLE SCREEN 227
MENUS 230
SCORING 233
HIDING THE MOUSE CURSOR 234
ENDING CUTSCENE AND TIMELINE 235
CINEMACHINE 242
INTEGRATING THE ENDING CUTSCENE 248
viii ◾ Contents
ChaPter 13 ◾ Testing and Debugging 251
TESTING 251
ANCIENT DEBUGGING TECHNIQUES 256
DEBUGGING C# IN UNITY 259
THE VISUAL STUDIO DEBUGGER 261
ChaPter 14 ◾ Input 265
UNITY INPUT SYSTEMS 265
GAMEPAD SUPPORT IN DOTGAME3D 267
ChaPter 15 ◾ Preparing DotGame3D for Release 269
TESTING FOR RELEASE: BUILD AND RUN 269
TESTING ON DIFFERENT PLATFORMS 270
THE UNITY PROFILER 271
RELEASE AND POSTMORTEM 272
Part II A 3D Adventure
ChaPter 16 ◾ FPS, Etc. 277
A BRIEF HISTORY OF FPS GAMES 277
DESIGNING AN FPS ADVENTURE 278
ChaPter 17 ◾ Worldbuilding 281
USING BLENDER FOR TERRAIN GENERATION 281
BLENDER LANDSCAPE IN UNITY 288
USING UNITY FOR TERRAIN GENERATION 290
SKYBOXES 302
ChaPter 18 ◾ Character Controller 305
IMPORTING A CHARACTER FROM THE ASSET STORE 305
CHARACTER MOVEMENT 308
IDLE, WALK, AND RUN ANIMATIONS 312
GRAVITY 316
ChaPter 19 ◾ First Playable 321
3D G AME KIT 321
ENEMIES 326
ENEMY MOVEMENT 330
Contents ◾ ix
MEDIEVAL TOWN 335
NAVMESH AND ENEMY AI 337
CREATING A LARGE LEVEL 339
GUI AND SCORING 342
ENEMY COLLISIONS 344
ChaPter 20 ◾ A 3D Puzzle Room 347
PUZZLE DESIGN RULES 347
PUZZLE ROOM GRAPHICS 348
BUILDING THE PUZZLE ROOM 351
ChaPter 21 ◾ Shaders and Lighting in Unity 355
INTRODUCTION 355
SHADERS IN UNITY 356
DIRECT LIGHTING 358
INDIRECT LIGHTING 363
RAYTRACING 366
ChaPter 22 ◾ Physics 371
UNITY PHYSICS OVERVIEW 371
A PHYSICS PUZZLE 374
CLOTH 379
RAGDOLL WIZARD 381
ChaPter 23 ◾ Sound and Music, Part 2 385
SOUND PACKAGES FROM THE UNITY ASSET STORE 385
ChaPter 24 ◾ Releasing FPSAdventure? 387
STEAM EARLY ACCESS? 387
TESTING AND DEBUGGING 388
BUILD AND RUN 388
POSTMORTEM 388
ChaPter 25 ◾ Epilogue 389
LEARNINGS 389
WHAT NEXT? 389
PROJECT 1: CARD GAME 389
PROJECT 2: R ACING GAME 390