tailieunhanh - Foundation Flash CS4 for Designers- P14

Foundation Flash CS4 for Designers- P14: I can remember the day as clear as if it were just yesterday. I was walking by my boss’s office late one winter afternoon at the college where I teach, and he called me into his office. Sitting on his desk was a thin, white box with some sort of weird swirl on it. He slid the box across to me and asked, “You know anything about Flash?” | ANIMATION PART 2 3. Click the tween layer to select it and then right-click Ctrl-click and select Insert Keyframe Position from the context menu as shown in Figure 8-18. A property keyframe small diamond will appear at frame 45. Figure 8-18. Property keyframes can be added with the Timeline panel. 4. Switch to the Motion Editor panel and notice that one keyframe apiece has appeared in the X and Y graphs which makes sense. 5. Select the lunatic symbol and move it downward. As you saw earlier in the chapter property keyframes are created for you automatically in the current frame when you change a symbol s position scale rotation or the like. What you learned from step 3 is that it s still perfectly okay to create your keyframe first. 6. Switch back to the Timeline panel and right-click Ctrl-click again on frame 45. Note that you have options for clearing keyframes and also determining which property keyframes to display in the Timeline panel. Don t be fooled by the Clear Keyframe choice You would think because Insert Keyframe inserts the desired keyframe s in the current frame that Clear Keyframe would follow suit and remove only keyframes in the current frame. This is not so. By choosing Clear Keyframe you re removing all property keyframes in the current tween span. If you select Clear Keyframe Rotation for example you remove all property keyframes in the Motion Editor panel s Rotation Z graph regardless of in which frame they appear. Once you see these features and understand them for what they are you ll surely find them useful but the Motion Editor panel does more. 379 CHAPTER 8 7. Open the Motion Editor panel and scrub the playhead of along the Motion Editor s timeline. You get the same sort of preview as the Timeline panel. The difference is that the Motion Editor panel also gives you a pair of arrows and a diamond as shown in Figure 8-19. Figure 8-19. In the Motion Editor panel keyframes can navigated added and removed with this widget. Keep an eye on the .

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