Re: FLASH: processor occupancy tests?

[Nigel Randsley-Pena]

David,


Starting from the end. flash processor usage is really quite normal.

Flash is vector based so all its elements, discounting foreign ones like

bitmap and sound of course, are described as vectors. This is a very

good way to describe obejcts in 2d space, in fact it's an excelent way

to describe objects in n-space, not only 2d. Transforming a vector

defined object is usually associated with a transform matrix that

multiplies the object, now this is where  the downside of vector based

graphics show up. This process is cpu consuming as matrix multiplication

is not optimized in current normal cpu's. This is by the way why until

the advent of the pentium class cpu's vector based graphic solutions

where limited to the likes of Illustrator, Freehand, etc..

So what Flash represents is a very compact way to represent animations

allowing for use over the web but once it arrives at the client machine

it does need a good cpu.

As for the first question. the fact that you have lines or not doesn't

impact to much. As for the tweening. A scale tween is a simple matrix

transform while a shape tween can be much more complex. this does not

signify that one is always faster than the other as other factors have

to be taken in account. You're best bet is to build up your feeling for

it from working with the program and experimenting.


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