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Flash CS5 THE MISSING MANUAL phần 5

weens luôn luôn có được một công cụ trong hộp công cụ hình ảnh động Flash, và, như được giải thích trong Chương 3, những ngày này, bạn có kiểm soát nhiều hơn tweens hơn bao giờ hết. Flash chuyển động giữa (trang 98) có thể làm nhiều hơn là chỉ hiển thị một chiếc xe di chuyển xuống một đường phố | CHAPTER 8 Advanced Tweens with the Motion Editor Tweens have always been a big tool in Flash s animation toolbox and as explained in Chapter 3 these days you have more control over tweens than ever. Flash s motion tween page 98 can do more than just show a car moving down a street it can make the car stretch out and turn blazing red when it s going really fast and scrunch up when it stops. It can even make the car s shadow change position as the car and sun move across the screen. You accomplish these sophisticated tweens by making multiple property changes at multiple points in time. Want precision control over every aspect of a tween Turn to the Motion Editor. This chapter shows you in detail how to apply and fine-tune your motion tweens focusing in particular on Motion Editor control. You ll start with a refresher on motion presets which are simply predesigned tweens that you can apply to objects with a couple of mouse clicks. Then you ll learn some of the different ways you can edit your tweens on the stage in the timeline and using the Motion Editor. Along the way you ll learn how to apply filters for special effects and how to create more realistic motion easing . Note If you need a primer on motion tween basics or tweens in general head back to page 98. Applying Motion Presets Designing a perfect tween can be a lot of work. It s not so much that it s difficult but creating a complex motion tween where several properties change at different points in time can be time-consuming. Fortunately right out of the box Flash gives you a head start. Open the Motion Presets panel Window--Motion Presets and you 287 Applying Motion Presets see a handful of predesigned tweens as shown in Figure 8-1. Initially the Motion Presets panel comes with two folders Default Presets where the Adobe-designed presets live and Custom Presets where you can store tweens you ve perfected as motion presets see page 290 . Just click a motion preset to see a minipreview at the top of the .