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SFML Game Development By Example

SFML Game Development By Example

By : Pupius
3.9 (22)
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SFML Game Development By Example

SFML Game Development By Example

3.9 (22)
By: Pupius

Overview of this book

Simple and Fast Multimedia Library (SFML) is a simple interface comprising five modules, namely, the audio, graphics, network, system, and window modules, which help to develop cross-platform media applications. By utilizing the SFML library, you are provided with the ability to craft games quickly and easily, without going through an extensive learning curve. This effectively serves as a confidence booster, as well as a way to delve into the game development process itself, before having to worry about more advanced topics such as “rendering pipelines” or “shaders.” With just an investment of moderate C++ knowledge, this book will guide you all the way through the journey of game development. The book starts by building a clone of the classical snake game where you will learn how to open a window and render a basic sprite, write well-structured code to implement the design of the game, and use the AABB bounding box collision concept. The next game is a simple platformer with enemies, obstacles and a few different stages. Here, we will be creating states that will provide custom application flow and explore the most common yet often overlooked design patterns used in game development. Last but not the least, we will create a small RPG game where we will be using common game design patterns, multiple GUI. elements, advanced graphical features, and sounds and music features. We will also be implementing networking features that will allow other players to join and play together. By the end of the book, you will be an expert in using the SFML library to its full potential.
Table of Contents (16 chapters)
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15
Index

Game design decisions


Certain versions of snake run differently; however, for the sake of paying homage to the classical approach, we will be implementing a snake that moves based on a grid, as illustrated next:

Taking this approach makes it easier to later check for collision between the snake segments and the apple. Grid movement basically means updating at a static rate. This can be achieved by utilizing a fixed time-step, which we covered back in Chapter 2, Give It Some Structure – Building the Game Framework.

The outside area symbolizes the boundaries of the game, which in the case of a grid-based movement would be in the range of [1;Width-1] and [1;Height-1]. If the snake head isn't within that range, it's safe to say that the player has crashed into a wall. All the grid segments here are 16px by 16px big; however, that can be adjusted at any time.

Unless the player runs out of lives, we want to cut the snake at the point of intersection if its head collides with its body and decrease...

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