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You're reading from  Application Development with Qt Creator - Third Edition

Product typeBook
Published inJan 2020
Reading LevelBeginner
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ISBN-139781789951752
Edition3rd Edition
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Author (1)
Lee Zhi Eng
Lee Zhi Eng
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Lee Zhi Eng

Lee Zhi Eng is a self-taught programmer who worked as an artist and programmer at several game studios before becoming a part-time lecturer for 2 years at a university, teaching game development subjects related to Unity and Unreal Engine. He has not only taken part in various projects related to games, interactive apps, and virtual reality but has also participated in multiple projects that are more oriented toward software and system development. When he is not writing code, he enjoys traveling, photography, and exploring new technologies.
Read more about Lee Zhi Eng

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Doing more with QML Profiler

Let's now learn how we can use QML profiler for something other than just normal GUI applications. In the following example, we will try and create a simple 3D renderer using Qt Quick and make use of QML Profiler to examine its performance.

First, let's create an empty Qt Quick project. Then, open up main.qml and add the following modules to it:

import QtQuick 2.12 as QtQuick2
import QtQuick.Scene3D 2.0
import Qt3D.Core 2.0
import Qt3D.Render 2.0
import Qt3D.Extras 2.0

We added the modules for 3D rendering that are required for later use. We also set an alias for the QtQuick module, which is QtQuick2, as we will be using it later in our code. After that, let's remove the default Window item and add Entity instead. We call this Entity instance sceneRoot, and it will act as the parent item for all objects in the 3D scene. We also add a Camera...

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Application Development with Qt Creator - Third Edition
Published in: Jan 2020Publisher: ISBN-13: 9781789951752

Author (1)

author image
Lee Zhi Eng

Lee Zhi Eng is a self-taught programmer who worked as an artist and programmer at several game studios before becoming a part-time lecturer for 2 years at a university, teaching game development subjects related to Unity and Unreal Engine. He has not only taken part in various projects related to games, interactive apps, and virtual reality but has also participated in multiple projects that are more oriented toward software and system development. When he is not writing code, he enjoys traveling, photography, and exploring new technologies.
Read more about Lee Zhi Eng