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Papervision3D Essentials

Papervision3D Essentials

4.5 (11)
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Papervision3D Essentials

Papervision3D Essentials

4.5 (11)

Overview of this book

Papervision3D is a powerful real-time 3D engine for Flash. Papervision3D can take externally created 3D models and render them as Flash content, without requiring end-users to download or install an additional plug-in. It has an outstanding reputation within the Flash community and its ease of use has even impressed experienced 3D game developers. However, getting started with Papervision3D can be daunting and mastering it can be challenging. This book guides you through the easiest way to tackle challenges that you may normally face with Papervision3D and master them effectively. The book will show you how to build Papervision3D applications from scratch in the easiest way, providing plenty of examples that make sense even if you're not a Flash expert. Papervision3D Essentials serves as a comprehensive guide to getting you started, as well as being an invaluable reference for every Papervision3D user and developer. By the end of this book you will be able to create your own projects with real-time 3D rendering. Since the first release of Papervision3D in 2007, the authors have been involved in various commercial projects with Papervision3D, building up a deep understanding of the engine. In Papervision3D Essentials, the authors share their knowledge to help you create stunning 3D content in Flash and teach you how to work with one of the most exciting open-source Flash projects around. Papervision3D Essentials shows you how to download Papervsion3D and make it work in Flash, Flash Builder and Flex Builder. It provides a short introduction to Object Oriented Programming and classes for those who are new to non-timeline programming. Then, it takes a closer look at the engine, discussing a broad range of topics from how to work with built-in 3D objects to using and animating cameras, 3D objects, and light. Applying materials and textures, using filters and effects, particles and performance optimizations are also covered. Ultimately, this book will provide you with the information you need to build your first Papervision3D application. Covering the basics, but by no means limited to beginners, Papervision3D Essentials provides a thorough explanation of the engine and numerous tips and tricks, making it a valuable resource for every Papervision3D user.
Table of Contents (18 chapters)
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Papervision3D Essentials
Credits
About the Authors
About the Reviewers
Preface

Optimizing rendering


When a new render is called for every enter frame, a new render cycle starts. Within this cycle, Papervision3D will run through the process of clipping, culling, z-sorting triangles, projecting vertices, and drawing transformed materials. In other words, everything that results in an image on our screen has been a part of the rendering pipeline. The best way to increase performance is not to render at all. Of course this isn't an option. However, with some creativity you can also win performance in the rendering process.

Only render when you need to

As long as the 3D scene is static because the user is interacting with other elements in your application, you could pause the rendering process. This will give back some performance to the Flash player, which can be of benefit to other elements in your application and the experience of the user.

When working with the BasicView class, the renderer can be stopped by calling the stopRendering() method. As soon as you want to...

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Papervision3D Essentials
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