Book Image

C++ Game Development By Example

By : Siddharth Shekar

Book Image

C++ Game Development By Example

By: Siddharth Shekar

Overview of this book

Although numerous languages are currently being used to develop games, C++ remains the standard for fabricating expert libraries and tool chains for game development. This book introduces you to the world of game development with C++. C++ Game Development By Example starts by touching upon the basic concepts of math, programming, and computer graphics and creating a simple side-scrolling action 2D game. You'll build a solid foundation by studying basic game concepts such as creating game loops, rendering 2D game scenes using SFML, 2D sprite creation and animation, and collision detection. The book will help you advance to creating a 3D physics puzzle game using modern OpenGL and the Bullet physics engine. You'll understand the graphics pipeline, which entails creating 3D objects using vertex and index buffers and rendering them to the scene using vertex and fragment shaders. Finally, you'll create a basic project using the Vulkan library that'll help you get to grips with creating swap chains, image views, render passes, and frame buffers for building high-performance graphics in your games. By the end of this book, you’ll be ready with 3 compelling projects created with SFML, the Vulkan API, and OpenGL, and you'll be able take your game and graphics programming skills to the next level.

Preface

Who this book is for

What this book covers

To get the most out of this book

Free Chapter

Section 1: Basic Concepts

Section 1: Basic Concepts

C++ Concepts

Mathematics and Graphics Concepts

Mathematics and Graphics Concepts

3D coordinate systems

GLM OpenGL mathematics

OpenGL data types

Space transformations

Render pipeline

Section 2: SFML 2D Game Development

Section 2: SFML 2D Game Development

Setting Up Your Game

Setting Up Your Game

An overview of SFML

Downloading SFML and configuring Visual Studio

Creating a window

Handing player movement

Creating Your Game

Creating Your Game

Starting afresh

Creating the Hero class

Creating the Enemy class

Creating the Rocket class

Collision detection

Finalizing Your Game

Finalizing Your Game

Finishing the Gameloop and adding scoring

Adding player animations

Section 3: Modern OpenGL 3D Game Development

Section 3: Modern OpenGL 3D Game Development

Getting Started with OpenGL

Getting Started with OpenGL

What is OpenGL?

Creating our first OpenGL project

Building on the Game Objects

Building on the Game Objects

Creating the MeshRenderer class

Creating the TextureLoader class

Adding Bullet Physics

Adding rigid bodies

Enhancing Your Game with Collision, Loops, and Lighting

Enhancing Your Game with Collision, Loops, and Lighting

Adding a RigidBody name

Adding an enemy

Moving the enemy

Checking collision

Adding keyboard controls

Game loop and scoring

Adding lighting

Section 4: Rendering 3D Objects with Vulkan

Section 4: Rendering 3D Objects with Vulkan

Getting Started with Vulkan

Getting Started with Vulkan

Configuring Visual Studio

Vulkan validation layers and extensions

Vulkan instances

The Vulkan Context class

Creating the window surface

Picking a physical device and creating a logical device

Preparing the Clear Screen

Preparing the Clear Screen

Creating SwapChain

Creating Renderpass

Using render targets and framebuffers

Creating CommandBuffer

Beginning and ending Renderpass

Creating the clear screen

Creating Object Resources

Creating Object Resources

Updating the Mesh class for Vulkan

Creating the ObjectBuffers class

Creating the Descriptor class

Creating the SPIR-V shader binary

Drawing Vulkan Objects

Drawing Vulkan Objects

Preparing the GraphicsPipeline class

The ObjectRenderer class

Changes to the VulkanContext class

The Camera class

Drawing the object

Synchronizing the object

Further Reading

Other Books You May Enjoy

Other Books You May Enjoy

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Program basics

C++ is a programming language, but what exactly is a program? A program is a set of instructions executed in sequence to give a desired output.

Let's look at our first program:

#include <iostream> 
// Program prints out "Hello, World" to screen 
int main() 
{ 
    std::cout<< "Hello, World."<<std::endl; 
    return 0; 
}

We can look at this code line by line.

The hash (#) include is used when we want to include anything that is using valid C++ syntax. In this case, we are including a standard C++ library in our program. The file we want to include is then specified inside the <> angle brackets. Here, we are including a file called iostream.h. This file handles the input and output of data to the console/screen.

On the second line, the // double slash marks the initiation of a code comment. Comments in code are not...