Foundation ActionScript Animation: Making Things Move!
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Overview
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 throughslowly, 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!
Synopsis
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 us 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 Flashs 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, theres no need to worry, even if youre 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. Youll work your way slowly from using code to move a single object across the screen to creating complex systems that really push Flashs 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, youll find yourself creating all manner of exciting animations and games!
Summary of Contents
- Part I ActionScripted Animation Basics
- Ch. 1 Basic Animation Concepts
- Ch. 2 ActionScript Basics for Animation
- Ch. 3 Trigonometry
- Ch. 4 Rendering Techniques
- Part II Basic Motion
- Ch. 5 Velocity and Acceleration
- Ch. 6 Bouncing and Friction
- Ch. 7 User Interaction: Dragging and Throwing
- Part III Advanced Motion
- Ch. 8 Easing and Springs
- Ch. 9 Collision Detection
- Ch. 10 Bouncing off Angles
- Ch. 11 Billiard Ball Physics
- Ch. 12 Particle Attraction
- Ch. 13 Forward Kinematics
- Ch. 14 Inverse Kinematics
- Part IV Three D
- Ch. 15 A Basic 3D Engine
- Ch. 16 3D Lines, Fills, Solids
- Ch. 17 Advanced 3D: Backface Culling and Lighting
- Ch. 18 Matrix Math
- Part V Tips and Tricks
- Ch. 19 Tips and Tricks