This sounds fascinating from a future-of-vidding POV:
Valve hands over its own movie-making tools to gamers The new tool will allow gamers to make their own movies using the acclaimed Source game engine directly. This means that users will have almost any element from a recent Valve game at their disposal, including characters, locations, props, particles, textures, and sounds. New assets can even be created from scratch using the Source SDK and imported into a video project. People will then be able to position objects and choose their shots as if it were a real-world location - even lighting and visual effects can be adjusted on the fly.
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