Use laser pointers and a webcam to control MIDI.
Different colored lasers send different MIDI on/off messages.
MIDI Control messages are sent based on laser position in the camera field of view.
Results can be visualized in Processing.
To Run:
python python_detext_laser/detect_laser.py ChucK Chuck_Midi_Controller/initialize.ck processing-java --sketch=pwd/Processing_Laser_Visualizer --output=pwd/Processing_Laser_Visualizer/output --force --run
Demo Video under the music portfolio at www.nathanblair.me