From:	David Jenkins <me AT jenkinsdavid DOT demon DOT co DOT uk>
Newsgroups:	comp.os.msdos.djgpp
Subject:	Re: fli/flc files..
Date:	Tue, 4 Mar 1997 14:37:13 +0000
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Distribution:	world
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References:	<9702271202 DOT AA11514 AT syntegra DOT bt DOT co DOT uk>
	<8waMLRALkeFzEw4B AT talula DOT demon DOT co DOT uk> <5f4vf7$m9s AT news DOT ox DOT ac DOT uk>
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In article <5f4vf7$m9s AT news DOT ox DOT ac DOT uk>, George Foot
<gfoot AT mc31 DOT merton DOT ox DOT ac DOT uk> writes
>Or write a FLI reverser, i.e. make a routine which creates the animation
>in reverse. In this way, to step back a frame you would display the
>changes from the reversed file, and to step forward a frame you would
>use the normal file. This could perhaps be done internally, in memory,
>rather than on disk.
>
>It's just an idea - I don't know anything about FLI, so maybe it's not
>possible.
>
How hard would it be to add an FLI writer function???

1{
Open a screen.
Draw something to it.
Save this as your first frame of the .FLI file.
}

2{
Then change the screen.
Save this as your next frame in the .FLI file.
}
Repeating 2 till you've built your animation.


If this we're possible it would be simple to append the frames of an
original .FLI in reverse order.So that you have a new .FLI file which
plays to the original end frame then to the new end frame which is the
originals first frame.

Do 1 and 2 using an original .FLI as your new screen to save.So you
rewrite the original .FLI as a new file.

frame_x=last frame of original .FLI
3{
Load all the frames of the original .FLI file into a spare buffer till
you reach "frame_x".
Then append this frame to your new .FLI file.
frame_x-- 
}
if (frame_x>=0) goto (AAAAAARRRRGGGHHHH!! ;-) 3


I use Impulses Imagine 3D renderer, as this use .FLI as it's natural
animation output I'd like to be able to write .FLI files.
Adding a cockpit overlay to a flythrough animation and other similar
overlay effects would be easy if I could write a C program to do it.

Maybe it would be easier if another animation format .AVI or .Mpeg could
be implemented with read and write functions.
It would be just as easy for anyone to convert .FLI to .AVI or .Mpeg




I've been trying to find some animation writing software since I moved
to PC a year ago.On the Amiga there was loads of Anim making software
like Deluxe Paint and Brilliance.

If I could write at least a .FLI writer at least it'd be a step.

-- 

David Jenkins

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