Book Image

Expert Delphi

By : Paweł Głowacki
Book Image

Expert Delphi

By: Paweł Głowacki

Overview of this book

Delphi is the most powerful Object Pascal IDE and component library for cross-platform native app development. It enables building natively compiled, blazingly fast apps for all major platforms including Android, iOS, Windows, Mac, and Linux. If you want to build server-side applications, create web services, and have clear GUIs for your project, then this book is for you. The book begins with a basic primer on Delphi helping you get accustomed to the IDE and the Object Pascal language and will then quickly move on to advanced-level concepts. Through this book, we’ll help you understand the architecture of applications and will teach you the important concepts of the FireMonkey library, show you how to build server-side services, and enable you to interact with the Internet of Things. Towards the end, you will learn to integrate your app with various web services and deploy them. By the end of the book, you will be able to build powerful, cross-platform, native apps for iOS and Android with a single code base.
Table of Contents (14 chapters)

Building an interactive 3D scene

In the first example, we wanted to keep things simple. This time, we are going to build an interactive visualization of three 3D arrows marking the beginning and orientation of the 3D coordinate system used in FireMonkey. For this we will just use some cylinder and cone 3D objects, color materials, lights, and an explicit TCamera component. We will also see how to implement looking at the scene from different points of view and distances.

Create a new Delphi multi-device project. This time, make sure to select Blank Application template and not 3D Application. Save the form unit as uFormArrows3D and the project as Arrows3D. Change the Name property of the form to FormArrows3D.

Now, drop on the form, TViewport3D component and align it to Client. This component can be found in the special Viewports category on the Tool Palette.

This represents...