Write Code Like a Pro

Introduction xi

About This Book xi

Foolish Assumptions xii

Icons Used in This Book xii

Where to Go from Here xii

Chapter 1: Getting Started with Java and Processing 1

Getting Started with Processing 2

Save and Reopen Processing Programs 9

Chapter 2: Writing Your First Program 13

Getting to Know the Canvas 14

Calling Methods in Java 21

Creating Variables 23

Chapter 3: Drawing with Code 25

Drawing a Triangle 26

Drawing a Rectangle 30

Drawing a Quadrilateral 32

Drawing an Ellipse 34

Drawing an Arc 36

Creating a Unique Drawing 38

Chapter 4: Adding Color to the Canvas 39

Adding Color to Your Canvas 40

Learning about RGB Values 43

Adding Color to Shapes 45

Chapter 5: Coding Your First Animation 51

Learning about Methods 52

Writing Your First Two Methods 54

Writing Your First Two Original Methods 57

Adding Parameters to Your Method 63

Chapter 6: Allowing User Interaction 67

Moving with the Mouse 68

Interacting with Mouse Clicks 72

Making a Horizontal Slider 74

Working with Conditional Statements 75

Moving Shapes with the Keyboard 79

Chapter 7: Coding Your First Game 85

Creating a Scene 86

Adding a Character to Your Game 90

Adding Movement to Your Videogame 96

Updating the Background 99

Adding Gravity to Your Videogame 101

Making Lava Pits 104

Chapter 8: Making Artificial Intelligence 111

Adding an Enemy to Your Videogame 112

Making the Enemy Move 114

Creating Your Own Java Class 116

Creating a Second Java Class 123

Adding Health to Your Character 128

Giving Your Enemies Collision Detection 131

Chapter 9: Planning Your Ninja Bird Game 135

Making Sense of the Flappy Bird Code 138

Outlining Your Ninja Bird 140

Designing Your Java Classes 141

Chapter 10: Planning Your Ninja Bird Methods 147

Designing Your Setup Method 148

Designing Your Draw Method 151

Designing Your Collision Methods 156

Adding Helper Methods 159

Chapter 11: Coding the Ninja Bird Basics 165

Converting Comments to Code 166

Chapter 12: Coding the Final Ninja Bird Code 191

Adding Randomness to Your Pipes 192

Detecting Collision 194

Keeping Score in Your Game 201

Cleaning Up the Code 208