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Have a look at this laser light show! Guaranteed to get some attention… Video after the jump. In the spirt of GRL’s and Eyebeam’s open source beliefs, we are posting the code and executable for the Laser Tag application online for you to download, dissect, reuse and hopefully improve. The code is C++ and compiled in a super old school Codewarrior IDE for windows but it is oepnGL based and written using openFrameworks which is a cross platform library for writing creative code. So it should be very straight forward to run in Visual Studio, DevC++ or even xcode on a mac. In its simplest form the Laser Tag system is a camera and laptop setup, tracking a green laser point across the face of a building and generating graphics based on the laser’s position which then get projected back onto the building with a high power projector. There are a bunch of things you need to do to get Laser Tag up and running yourself, so here follows the required equipment and setup instructions. This will assume that you using windows but it will also apply for other OSs too. EQUIPMENT We used: 1 PC Laptop - ASUS A8JS - Core 2 Duo 1.83 Ghz 1GB Ram Nvideo Geforce Go 7300 256MB - VGA and DVI out.
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February 27th, 2007
i understand the projectors are shooting light against the building. how does laser beam work as a paint brush for the projector
February 28th, 2007
That is fantastic. Talk about a great guerilla marketing tool. How far away from the “canvas” building were you? What is the approximate cost for the equipment involved with that project? And yes building all those gadgets might be the best job in the world. I love this site.
August 12th, 2008
@nick:
IIRC, There’s a webcam or some kind of camera involved.