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How to Cheat in Adobe Flash CS4 by Chris Georgenes

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Iris Transition

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THERE ARE USUALLY several ways to go about creating the same animations and effects in Flash. Animated on the timeline or dynamically generated animation using ActionScript, allows us to work within our own comfort zones. A simple iris transition is an example of an effect that could be done several different ways. I personally wouldn’t know where to begin coding this kind of animation, but give me a timeline and some keyframes and I am in my element. Using a mask for this example provides us with even more options; we can easily control the direction and focus of the iris itself, where it starts and where it ends. This can be ...

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