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Game Programming using Qt 5 Beginner's Guide

You're reading from   Game Programming using Qt 5 Beginner's Guide Create amazing games with Qt 5, C++, and Qt Quick

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Product type Paperback
Published in Apr 2018
Publisher
ISBN-13 9781788399999
Length 714 pages
Edition 2nd Edition
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Author (1):
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Pavel Vladimirovich Strakhov Pavel Vladimirovich Strakhov
Author Profile Icon Pavel Vladimirovich Strakhov
Pavel Vladimirovich Strakhov
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Toc

Table of Contents (18) Chapters Close

Preface 1. Introduction to Qt FREE CHAPTER 2. Installation 3. Qt GUI Programming 4. Custom 2D Graphics with Graphics View 5. Animations in Graphics View 6. Qt Core Essentials 7. Networking 8. Custom Widgets 9. OpenGL and Vulkan in Qt applications 10. Scripting 11. Introduction to Qt Quick 12. Customization in Qt Quick 13. Animations in Qt Quick Games 14. Advanced Visual Effects in Qt Quick 15. 3D Graphics with Qt 16. Pop quiz answers
17. Other Books You May Enjoy

The Animation framework

For now, we have calculated and applied new positions for our graphics items manually. However, Qt provides a way to do it automatically, called the Animation framework.

The framework is an abstract implementation of animations, so it can be applied to any QObject, such as widgets, or even plain variables. Graphics, items can be animated too, and we will get to this topic soon. Animations are not restricted to the object's coordinates. You can animate color, opacity, or a completely invisible property.

To create an animation, you typically need to perform the following steps:

  1. Create an animation object (such as QPropertyAnimation)
  2. Set the object that should be animated
  3. Set the name of the property to be animated
  4. Define how exactly the value should change (for example, set starting and ending values)
  5. Start the animation

As you probably know, calling...

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