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Author: Andy Armistead (with a little help from FlashGuru)

The real world

You will probably have noticed by now that if you have done even a little bit of flash programming, then you have already used functions. Probably the most used function in Flash is gotoAndPlay().

GotoAndPlay(5);

This tells flash to do all of the tasks necessary to go to a specific frame. The parameter that we pass in (in this case ‘5’) tells it which frame we want to go to. Because the tasks inside the function are all actions which don’t need to return anything, we don’t need to give it a variable to store a result.

Most of the actions in ActionScript are in fact functions that Macromedia have defined for us. Nice of them wasn’t it? But the reality is that Macromedia didn’t think of everything. If they predefined functions to do everything we would ever want to do, then apart from anything else, downloading Flash would take a couple of years. So it looks like we’re going to have to do some of the work ourselves (life is hard).

When we define our own functions, they are called ‘custom functions’.

» Level Basic

Added: 2001-05-16
Rating: 8 Votes: 185
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