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Game Programming Using Qt Beginner's Guide

Game Programming Using Qt Beginner's Guide

By : Witold Wysota, Lorenz Haas
4.3 (4)
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Game Programming Using Qt Beginner's Guide

Game Programming Using Qt Beginner's Guide

4.3 (4)
By: Witold Wysota, Lorenz Haas

Overview of this book

Qt is the leading cross-platform toolkit for all significant desktop, mobile, and embedded platforms and is becoming more popular by the day, especially on mobile and embedded devices. Despite its simplicity, it's a powerful tool that perfectly fits game developers’ needs. Using Qt and Qt Quick, it is easy to build fun games or shiny user interfaces. You only need to create your game once and deploy it on all major platforms like iOS, Android, and WinRT without changing a single source file. The book begins with a brief introduction to creating an application and preparing a working environment for both desktop and mobile platforms. It then dives deeper into the basics of creating graphical interfaces and Qt core concepts of data processing and display before you try creating a game. As you progress through the chapters, you’ll learn to enrich your games by implementing network connectivity and employing scripting. We then delve into Qt Quick, OpenGL, and various other tools to add game logic, design animation, add game physics, and build astonishing UI for the games. Towards the final chapters, you’ll learn to exploit mobile device features such as accelerators and sensors to build engaging user experiences. If you are planning to learn about Qt and its associated toolsets to build apps and games, this book is a must have.
Table of Contents (13 chapters)
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12
Index

Time for action – employing scripting for npc AI

Let's implement a script serving as artificial intelligence (AI) for a nonplayer character in a simple Dungeons & Dragons game. The engine will periodically execute the script, exposing two objects to it—the creature and the player. The script will be able to query the properties of the player and invoke functions on the creature.

Let's create a new project. We'll start by implementing the C++ class for creatures in our game world. Since both the NPC and player are living entities, we can have a common base class for them. In Chapter 4, Qt Core Essentials, we already had a data structure for players, so let's use that as a base by equipping our entities with similar attributes. Implement LivingEntity as a subclass of QObject with the following properties:

Q_PROPERTY(QString name     READ name        NOTIFY nameChanged)
Q_PROPERTY(char direction   READ direction   NOTIFY directionChanged)
Q_PROPERTY(QPoint...
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Game Programming Using Qt Beginner's Guide
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