What are the guidelines for creating slides using Flash?
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Revision as of 22:16, 4 January 2008
What are the guidelines for creating slides using Flash?
If you choose to create your slides directly in Flash, you can often obtain very small file sizes, plus you can add animation and sophisticated functionality. Follow these guidelines to be sure you Flash movie functions correctly has a slide file within Avacaster.
- Make the stage size 350 x 250 pixels (the same proportion as a standard PowerPoint slide). The slides will scale up to fit the window of the Avacaster Player, but this is the best size to start with.
- If you place any element outside of the normal stage area, the Flash Player will not be able to size the slides correctly. You can correct this by defining two global variables in a script on the first frame: avawidth and avaheight, which are the stage width and height, respectively. If you use the reccommended stage size, the script would look something like this:
- avawidth = 350;
- avaheight = 250;
- Add a frame label to each frame; Avacaster assumes one slide per frame (do not leave empty frames between slides). The name of the slide is taken directly from the frame label. If the slide is not static, put the entire slide contents (animations, etc.) in a movie clip and then place the movie clip on a single, labeled frame in the main timeline. Note that the frame labels are used within the Administrator to generate the slide list.
- In the Flash Player, the slides background will be transparent unless you insert an element of some sort to fill in the background.
- As with anything accessed via the internet, smaller file size is best. So be aware of the size of any placed bitmaps, sounds, etc.
- Use standard optimization techniques to prevent animation from becoming too processor intensive, which will impact the performance of other elements in the Player (especially video). Minimize use of alpha transparency, gradients, masks and tweens. Keep the frame rate as low as possible, avoid animating bitmap images, and make good use of symbols.
Please note that embedding .wmv files directly in your slide file is not supported and will not work.
