ActionScript: Your visual blueprint for creating interactive by Rob Huddleston

By Rob Huddleston

I'm at the moment attempting to examine AS3 and this was once one of many first books i purchased. i purchased it simply because in a cursory means, the e-book appeared to commence by means of fast stepping into OOP and that i suggestion it should extend at the topic from there. yet frankly the power of this booklet is it really is weak spot. It treats each topic on the most simple, so much simplistic, effortless to appreciate means attainable, yet by no means each is going into any intensity.

Essentially when you have by no means programmed sooner than, and need a short reference advisor to super uncomplicated syntax, it is a sensible choice. when you are searching for whatever that is going into any intensity, and has coding examples which are longer than five strains lengthy, get whatever varied. And when you are searching for whatever on AS3 item orientated programming steer very very transparent simply because this ebook has totally not anything at the topic past one initial bankruptcy, and some different minor references.

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Additional info for ActionScript: Your visual blueprint for creating interactive projects in Flash CS4 Professional

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This is due to how symbols are treated in ActionScript; see Chapter 6 for more information. Third, most Flash designers and developers prefer to not use spaces in their symbol names. indd 39 5/28/09 11:07:34 PM Insert and Name an Instance W hen you create a symbol, you are actually creating a custom class within the ActionScript code underlying your movie. In objectoriented programming, you need to create an instance of a class in order to use it. See Chapter 2 for more details on object-oriented programming terminology and concepts.

If you are accepting input from a user for the values to be used in a division problem, you will need to validate it to be sure that it is not zero. Some confusion may arise due to the fact that ActionScript uses the plus sign both for addition and concatenation, but the language will not confuse the two, as addition can only be performed on numbers and concatenation on strings. However, if you place a number in a string by putting it in quotes, it will concatenate. indd 47 5/28/09 11:08:07 PM Perform Complex Mathematical Operations with the Math Class B uttons and MovieClips exist visually within your project, but most of the classes in ActionScript are nonvisual: They perform the background processing necessary to make your movie function but do not actually display anything onscreen.

The Rectangle Primitive tool draws a rectangle with small dots in the corners. Using the Selection tool, you can drag any of these dots to create a rectangle with rounded corners. The Oval Primitive tool creates an oval with similar dots; dragging them allows you to create an oval with a missing section, something that will sort of resemble the classic arcade game character Pac-Man. You can get much more detailed information on using the drawing tools in Flash in the book Master VISUALLY Dreamweaver CS4 and Flash CS4 Professional, published by Wiley.

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