Learn 2D Game. Development with C# Jebediah Pavleas. Jack Keng-Wei Chang. Kelvin Sung. Robert Zhu. Apress*

Transcription

1 Learn 2D Game Development with C# Jebediah Pavleas Jack Keng-Wei Chang Kelvin Sung Robert Zhu Apress*

2 Contents J About the Authors About the Technical Reviewer Acknowledgments Introduction xv xvii xix xxi Chapter 1: Introducing 2D Game Development in C# 1 Downloading and Installing Development Tools 2 Download and install the IDE: Visual Studio Express 2 Download and install the game SDK: MonoGame Framework 3 Download and install the asset builder: XNB Builder 7 What Is Covered in This Book? 8 What Is Not Covered in This Book? 9 Technology References 10 Chapter 2: Getting to Know the MonoGame Framework 11 The Visual Studio Development Environment 12 Creating a MonoGame project in Visual Studio 12 The Visual Studio layout and Solution Explorer 18 The relationship between the file system and Solution Explorer 20 Understanding the MonoGame Framework 21 The Microsoft.Xna.Framework.GameC\ass 23 Adding, Drawing, and Controlling Content 26 The Draw and Control project 26 Creating the Draw and Control project 27 vii

3 Wrapping Game Controller with the Keyboard 33 The Input Wrapper project 33 Creating the Input Wrapper project 34 Summary 39 Quick Reference 39 Chapter 3:2D Graphics, Coordinates, and Game State 41 Introduction 41 The Game Window 41 The Game Window Size project 42 Modifying the game window 43 Textured Primitives 44 The Textured Primitive project 44 Creating the TexturedPrimitive class 46 Adding TexturedPrimitive functionality and behavior 49 Using the TexturedPrimitive class 50 Observations 52 Coordinate System and Camera 53 The User-Defined Coordinate System project 53 Creating a user-defined coordinate system 60 Using the Camera class 61 Font Output 63 The Font Output project 64 Creating the FontSupportclass 66 Using and observing the FontSupportclass 68 A Simple Game Object 68 The Simple Game Object project 69 Modifying the classes to include bounds support 70 Adding collision detection support 71 Creating the SoccerBallclass 72 Using the SoccerBall class 75 viii

4 Simple Game State 76 The Simple Game State project 77 Adding TexturedPrimitive collision detection support 78 Creating a BasketBall class 78 Creating the game state object 80 Modifying Gamel to support the game state 83 Summary 84 Quick Reference 85 Chapter 4: Getting Things Moving 87 Rotating textures 87 The Rotate Textured Primitive project 87 Modifying the TexturedPrimitive class 89 Modifying the GameState class 92 Vectors 93 Vector review 93 The Show Vector project 96 Modifying the GameState class 101 Front direction 103 The Front Direction project 103 Modifying the GameState class 105 Game objects 108 The Game Object project 108 Creating the GameObjectc\ass 109 Modifying the GameState class 112 Chasers 114 The Chaser Object project 114 Creating the ChaserGameObject class 117 Modifying the GameState class 119 Summary 121 Quick reference 121 ix

5 m CONTENTS Chapter 5: Pixel-accurate collisions.123 Pixel-accurate collision 123 The Pixel-Accurate Collision project 123 Extending the TexturedPrimitive class 127 Modifying the GameState class 130 General pixel collision 131 The General Pixel Collision project 131 Modifying the TexturedPrimitive class 135 Simple physics 138 The Simple Physics project 138 Creating the RotateObject class 141 Creating the Platform class 142 Modifying the GameState class 144 Summary 145 Quick reference 146 Chapter 6: Game object states and Semiautonomous Behaviors 147 Review of finite state machines 147 Creating a spinning arrow 148 The Spinning Arrow project 148 Creating the SpinningArrow class 151 Creating the PlayerControlHero class 153 Modifying the GameState class 154 Adding many spinning arrows 155 The Many Spinning Arrows project 155 Modifying the SpinningArrow class 157 Creating the SpinningArrowSetclass 158 Modifying the GameState class 159 x

6 Creating a patrol enemy 160 The Patrol Enemy project 160 Creating the PatrolEnemy class 163 Modifying the GameState class 168 Implementing smooth turning 169 The Smooth Turning Patrol project 169 Modifying the PatrolEnemy class 170 Patrol that chases 173 The Patrol That Chases project 173 Modifying the PatrolEnemy class 175 Modifying the GameState class 177 Creating many enemies 178 The Many Enemies project 178 Creating the PatrolEnemySet class 180 Modifying the GameState class 181 Summary 181 Quick reference 182 Chapter 7: Sprites, Camera, Action! 183 Sprite animation 183 The Sprite Animation project 183 Creating the SpritePrimitive class 186 Modifying the GameState class 189 Sprite collision 192 The Sprite Collision project 192 Modifying the TexturedPrimitive class 193 Modifying the SpritePrimitive class 193 Modifying the TexturedPrimitivePixelCollide partial class 194 Modifying the GameState class 196 xi

7 Moving and zooming the camera 200 The Camera Zoom Move project 200 Modifying the Camera class 201 Modifying the GameState class 202 Adding audio 205 The Audio project 206 Creating the AudioSupportclass 207 Modifying the GameState class 209 Summary 210 Quick reference 211 Chapter 8: Particle Systems 213 Particle systems 213 The Particle System project 213 Modifying the TexturedPrimitive class 215 Creating the ParticlePrimitive class 216 Creating the ParticleSystem class 217 Modifying the GameState class 219 Particle emitters 221 The Particle Emitter project 221 Creating the ReddishParticlePrimitive class 222 Creating the ParticleEmitterclass 223 Modifying the ParticleSystem class 224 Modifying the GameState class 225 Summary 226 Quick reference 226 xii

8 Chapter 9: Building Your First 2D Game 227 Simple Game: Fish Food 227 The Fish Food project 227 Fish Food Game Design 230 Game functionality outline 230 Creating the BubbleShotclass 231 Creating the Hero class 232 Modifying the PatrolEnemyc\ass 237 Creating the Jellyfish, BlowFish and FightingFish classes 245 Creating the PatrolEnemySetclass 246 Creating the FishFood class 250 Creating the EnvironmentGeneratordass 252 Modifying the GameState class 255 Game criticisms and expansion 259 Device deployment and publishing your games 260 Index 261 xiii