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Q1: I've followed all the performance optimization tips and still find my animation appears jumpy. What's wrong?
A1: It's possible that you're simply trying to move a graphic across a large distance in very few frames. Try extending the total number of frames being used. You can compensate by increasing the framerate. Provided the computer can keep up with this increased framerate, you'll see the same motion but in more (smaller, incremented) steps.
Q2:What's the ideal file size for a movie?
A2: This is a common question but one that's impossible to answer. I think the best answer is “no bigger than it has to be.” Consider, too, that you can cover up a long download time in very creative ways. Of course, you could use a “Loading…” message, as you did in one of this hour's tasks. Better than that, you can occupy your users with some small, interactive (or very small file size) content. Make them watch something interesting (but small) while they wait for the bulk of the movie to download. There are many ways to do this successfully. Finally, consider the modular technique of Load Movie (discussed in Hour 19, “Designing Your Web Site to Be Modular”). That way, users have to wait to download only the portions of your site they request.
Q3:I used Modify, Optimize, and it sure cut down the file size, but my image doesn't look very good. What should I do?
A3: Obviously, if the result of Modify, Optimize is unsatisfactory, don't use it. Basically, you should just try this option every time and weigh the file size savings against the sacrifice in the image's quality. Often, an undesirable result isn't as bad as it appears. Consider that in the final movie, the graphic you're judging may only be onscreen for a fraction of a second. The bad quality might not matter in this case.
Q4:In the Publish Settings, Flash tab I found an option “Compress Movie”. What's this for?
A4: This is really a no-brainer for any movie playing under the Flash 6 player. Basically, it's a way Flash MX compresses your Actions. You'll learn more about it in Hour 24, “Publishing Your Creation.”
Q5:My source .fla file is huge! Even after deleting unused Library items, the file is much bigger than it should be. Why?
A5: When you import media into a Flash movie the file size grows. But when you delete the media, the file doesn't go back down in size. However, you can simply do a “Save as…” to effectively clean up the file. It's almost like defragmenting a hard disk. Plus, it will help prevent files from becoming corrupt.



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