You are basically
breaking the path of light when you touch the screen. So it can detect
multiple touches
The demo interfaces look so awesome! does anyone know any details on
the package used to develop the UI?
Jeff is quoted as saying that he thought of the idea when he was
drinking a glass of water at a cafe.
The 'frustrated' light occurs when you change the surface of a
'typically' glass or plastic plane which has light bouncing through
it. For example;
those lurid black light sign boards you might find in stores which
you write on with marker pens, and in optical fibre lamps. ( although
in this the method is not analogous to Jeff's use because it uses
fractures in the glass fibre wall)
Jeff's application uses a camera to see the shifts in brightness when
fingers create new paths for the light.
Bringing all this back to our interests:
Someone(??? where's that link!) demoed using a web cam interface in
flash where buttons had been placed on swf over the web cam image so
anyone using the web cam could trigger flash events in the source
webcam space.This could be wired up to an RGB pixel checker and off
you go.
cheers Ian
http://ianhobbs.net
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