Finished version of the cube with each side representing a different color. An embedded accelerometer triggers 6 RGB LEDs that generates each color, depending on which side is facing up.  

Different visuals are triggered in Processing depending on the positioning of the cube. Future versions could include the ability to upload one's own video files as well as an app/ web-service to upload user-generated content into the cube for a richer experience. 

First sketch of Moodcube.