tailieunhanh - Flash CS4 Professional in 24 Hours- P6

Flash CS4 Professional in 24 Hours- P6: The creation of this book could not have happened without the skill and patience of many, many people at Sams Publishing. Most of all, I want to thank Mark Taber for offering me this opportunity and Philip Kerman for writing such a great book. I also greatly appreciate the efforts of Songlin Qiu for keeping me on track and organized, not an easy task. | PART II Animating in Flash HOUR 7 Understanding Animation HOUR 8 Using Motion Tweens to Animate HOUR 9 Using Shape Tweens to Morph HOUR 10 Advanced Animation with Inverse Kinematics HOUR 11 Simulating 3D Animation hour 12 Reusing Your Animations with Motion Presets HOUR 13 Including Sound in Animations HOUR 14 Nesting Animations in Movie Clip and Graphic Symbols hour 15 Creating Special Effects This page intentionally left blank HOUR 7 Understanding Animation There s nothing like animation. It can inspire educate and entertain. It s memorable too no doubt when you hear the name Disney scenes from classic animated movies pop into your head. You are on the verge of gaining the power to communicate your own messages with animation. Before we get into the nuts and bolts of Flash animation there are several concepts you should understand. This hour discusses animation in general and as applied to Flash creations. If your basic understanding is clear acquiring and applying the technical animation skills discussed in the next several hours is easier. How Animation Works Animation is made from individual images. Regardless of how motion is created in an animation an animation is still a collection of fixed images. Suppose you see a car drive by you see the car the entire time it s within sight but you are likely to blink. Your brain covers up the fact that you missed part of the action. When you watch a movie or television the screen is blinking quickly. Sometimes it shows an image and other times it s blank. The fact that the blank moments are so short enables your brain to interpolate the missing information and you think you re watching full motion with no gaps. WHAT YOU LL LEARN IN THIS HOUR The fundamentals of animation The common terms of animation How to use the basic Flash features related to animation The common misconceptions of animation and how to overcome them The image projected onto the retina of your eyes remains even after the light stops. If you close .