h a l f b a k e r y
This would work fine, except in terms of success.
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This is a toy/robotics project... make a racing game using
remote-controlled toy cars versus autonomous robotic cars.
racing on a track that is projected on the floor using one of
those little pocket laser projectors. The autonomous
vehicles follow the projected tracks. Players can
design their own tracks in an image editor rather
than buying expensive Scalextric type tracks. (We'd set a
standard colour scheme for track edges or lane markings)
The cars should be configurable to be remote-controlled or
AI on demand, like Anki Drive, except you design and build
your own using arduino, raspberry pi, whatever takes your
fancy. There's already a big robot/toy car kit community,
so adding a standardised track projection to that shouldn't
be a big step.
Laser Flare Path
Prior Art [8th of 7, Jul 31 2015]
||The sensors on line tracking robots track a line on the floor. A projected line would shine on the floor, but would be blocked by the robot itself. The sensors wouldn't have a line to track, and would only be able to see the shadow of the robot.
||For this to work, you would need to redesign the sensors
||evilpenguin: I wasn't suggesting that existing robots would
work directly - we'd have to design new ones, but the
very similar. You could either look ahead with a camera, or
have some sort of light sensor bar on top that detected the
laser directly. Implementation details. Anyway most line
following robots are not designed for speed, so new ones
would need to be built for that reason alone.