Foundation ActionScript for Flash 8 by Kristian Besley, Sham Bhangal, David Powers, Eric Dolecki

By Kristian Besley, Sham Bhangal, David Powers, Eric Dolecki (auth.)

ActionScript is the local scripting language of Flash. ActionScript wisdom is key in the global of Flash layout and improvement, as Flash is still a number one device for state of the art interactive layout and development.

ActionScript is what supplies Flash its strength, yet with that strength comes a undeniable point of complexity, that are intimidating. This newcomers' ebook, considerably up-to-date because the final variation, covers the entire fundamentals of ActionScript utilizing model eight of Flash. the abilities got via operating via this e-book will make it easier to flow directly to extra complicated buddies of ED books, reminiscent of Foundation Hypertext Preprocessor five for Flash, Foundation ActionScript Animation or beginning XML for Flash.

This ebook comprises all you must comprehend and utilize ActionScript, and to have a few enjoyable whereas studying. the basis sequence instructing variety is perfect in case you are a non-programmer who desires to study Flash programming quick and carefully. The authors educate the fundamentals, and supply an all-around talent in ActionScript, in addition to Flash parts inside of Flash eight. you are going to achieve the sensible talents to construct ActionScript established Flash initiatives, together with making preliminary layout judgements, structuring code, and trying out. An ongoing case examine signifies that via the tip of the ebook, you will have developed a state of the art Flash web site to exhibit your newly realized skills.

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Additional resources for Foundation ActionScript for Flash 8

Example text

This generates another onEnterFrame event. 4. This triggers gotoAndStop(3+2), sending you on to frame 5. 5. And so on . . Basically, you skip every other frame, so the movie appears to run at twice the normal speed. If you did the same thing using gotoAndStop(_currentframe-1), you could even make the movie run backward, as every time the playhead enters a frame, it would be told to go to the frame before the one it’s currently in, where it would find the same command again. OK, this may not seem like particularly useful stuff just at the moment, but that’s just because you’re still fooling around with the timeline.

OK, it’s time to open the Actions panel again. onPress = function() { // goto the next frame and stop gotoAndStop(_currentframe+1); }; Did you spot the code hint when you typed in the gotoAndStop commands? The code looks a bit intimidating, but actually, there’s less script there than it might seem, mainly because of all the comments we’ve put in. Let’s consider it one piece at a time: You begin by telling the root timeline to stop in its tracks. Otherwise, the cars would zoom straight across the stage and there would be nothing for you to do.

6. Now run the movie, and you should see a couple of motionless cars. Been there, done that. So what? Try clicking the “forward” button, and you’ll see both cars inch forward. Then click the “back” button and both cars will move back again. Yes, with just a couple of really-not-so-scary event handlers, you’ve wired up a couple of buttons that give you complete control over the movie’s main timeline. Not bad, eh? 24 INTERACTIVE FLASH Now you may feel the need to point out that with both cars covering exactly the same ground, it’s really not much of a race.

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