I have this data available for each stop point so re-creating the bitmap
isn't a big deal, but I am concerned with the lag in doing this because the
animation is script generated and very complex i.e. it may take a few (or up
to 5 seconds) to re-generate the data for each of these frames. The data
Maybe record your vector data / changes each "frame", or similar, so
that you can redraw the bitmaps if necessary.
It's almost like an undo function; So for each bitmap you render, you
would store the commands to draw it.
You can make this even more compact by just storing the changes since
I'm working on an animation of sorts that uses the Flash drawing api to draw
into bitmapdata.
At various intervals throughout the animation I want to record screenshots
and be able to step back and view these various stages of the animation.
The only way I can think of achieving this is creating
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