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This is what ive done so far <-- Well thanks for the quick response here ;D
However, in shots where the lightsaber is immobile or not moving much, you can do far fewer keyframes.
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what you are saying here is that I need to shoot the same scene though taken from different angles right ? cos a 2 second long Lightsaber fight aint really that long
petet2 wrote:It depends!
The FX Home programs do a great job of key framing things such as masks, particle effects or light sabers so you can get away with only positioning your object every so often and letting the software tween the intermediate frames.
How effectively this works depends upon the length of the clip, the movement within the clip and also any camera movement. Fast moving action and fast editing will often hide slight misalignment of a light saber blade for example.
It also comes down to how exacting you are. I set myself high standards and notice small imperfections which others do not. In practice this means that I usually start off with a few keyframes then go back adding more and more until I have key framed just about every frame in my clip!
Aliging your effects doesn't need to be a chore. Often people ae working with clips which are far too long. If you watch any action sequence (light saber fight, gun fire, etc) you will notice that they are edited to a very fast pace with short clips and rapid cutting. A common amateur mistake is to use a few longer clips rather than lots of short ones.
Not only does this slow the pace, it means you are bringing one clip into Effects Lab and having to add ten seconds of light saber effects in one go (i.e.: 250 frames in the PAL world). If you use clips of one or two second duration then you are only having to align effects over 25 or 50 frames at a time. Breaking your work into smaller parts in this way malkes it seem much less of a chore and the finished effect will be much more exciting to watch as well.
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I find that every other frame usually works fine but if that's what you do just be sure to go back and see if it does because it doesn't always work.
Xcession wrote:Technically, this means you don't have to rotascope frame-by-frame. Practically however, its often the case that an actor doesn't move the saber in the same smooth line that the tweening is programmed to do and you'll find the tweening loses sync with the actual position of the sword, which obviously looks bad.
lol me too! I've even found a few mistakes in Star Wars episode III with their lightsabers...like stuff they actually didn’t mask but where supposed to.
It also comes down to how exacting you are. I set myself high standards and notice small imperfections which others do not.