Foundation Actionscript Animation
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Foundation ActionScript Animation
Sure you can animate using motion tweens—in fact, we'll help you do that with our Flash Cartoon Animation book—but isn't there something extra special in making things move with just a few lines of code? In this book Keith Peters guides you through some basic animation theory and then demystifies the math and physics behind creating realistic animation, looking at trigonometry, velocity and acceleration, and bouncing & friction. This book will teach you how to use Flash ActionScript to move the objects in your movies, rather than letting Flash's tween engine do it for you. The benefit of this is smaller, more realistic, more dynamic interactive movies that seem to come alive on your screen. Almost all of the code featured in this book will work fine in either Flash MX 2004 or Flash 8, and with a few minor adjustments, most of it can even be applied to Flash MX. Although the text covers many advanced math and physics concepts, making for very realistic motion, there's no need to worry, even if you're a relative newcomer to programming and the last math class you took was in high school (and even if you barely remember that!). This book first covers everything you need to know to get started: the principles of animation, and the basics of ActionScript, trigonometry, and Flash rendering methods. You'll work your way through slowly, from using code to move a single object across the screen to creating complex systems that really push Flash's capabilities, with topics covered including collision detection, particle attraction, and kinematics. The book concludes with looking at 3D animation techniques, including building a basic 3D engine, 3D lines, fills and solids, and matrix math. Once you come to grips with the ideas presented here, you'll find yourself creating all manner of exciting animations and games!
Foundation Actionscript 3.0 Animation
Flash has long been one of the most approachable, user-friendly tools for creating web-based animations, games, and applications. This has contributed to making it one of the most widely used programs for creating interactive web content. With each new version of Flash, ActionScript, its built-in scripting language, has become more powerful and a little more complex, too. ActionScript, now at version 3.0, has significantly matured as a programming language, bringing power and speed only previously dreamed about to Flash-based animation, going far beyond traditionally used keyframes and tweens. The material inside this book covers everything you need to know to harness the power of ActionScript 3.0. First, all the basics of script-based animation and setting up an ActionScript 3.0 project are covered. An introduction to object-oriented programming follows, with the new syntax, events, and rendering techniques of ActionScript 3.0 explained, giving you the confidence to use the language, whether starting from scratch or moving up from ActionScript 2.0. The book goes on to provide information on all the relevant trigonometry you will need, before moving on to physics concepts such as acceleration, velocity, easing, springs, collision detection, conservation of momentum, 3D, and forward and inverse kinematics. In no time at all, you'll both understand the concepts of scripted animation and have the ability to create all manner of exciting animations and games.
AdvancED ActionScript 3.0 Animation
This book is a compilation of advanced ActionScript 3.0 animation techniques for any user creating games, user interaction, or motion control with ActionScript. It's an anthology of topics that follow from the author's earlier book, Foundation ActionScript 3.0 Animation: Making Things Move, and things that became possible in version 10 of Flash Player. This book covers a diverse selection of topics that don't necessarily lead one into the other. You don't need to start with Chapter 1 and read it cover to cover. Just start with any chapter that looks interesting and jump around as you see fit. In this book, you'll find chapters on advanced collision detection, artificial intelligence and steering behaviors, isometric projection, using the camera and microphone for input, 3D, and much, much more. AdvancED ActionScript 3.0 Animation is also more experimental in nature. The techniques shown here might not be the best way to do things, but they should work well and get you started in your own efforts to achieve a perfect implementation. In fact, many of the chapters can be seen as introductions to very complex topics that could fill a whole book by themselves. Many of these subjects have been extensively covered elsewhere, but not necessarily targeted for Flash or ActionScript 3.0. So it took a fair amount of work to pull the data together and get it all working and explain it all clearly in ActionScript. This book will inspire you to find out about subjects that you might not have considered before, acting as a springboard into your own research into the possibilities of ActionScript 3.0.