iPod Dancing Francis Beaumier Dr. Pankratz Senior Capstone Experience in Computer Science 30 April 2009

Definition An iPod touch- and computer-based program to monitor the user's dancing and give feedback

Requirements Accelerometer: How much dancing Right dance moves On the beat Teach the software new dance moves

Requirements II Use components of Ryan's light sync to help the computer determine how a song should be danced to Synchronization Computer: display animations, scores

The Official Report Card ScoreAccelerometer: How much dancing Right dance moves On the beat Teach the software new dance moves ✔ ✔ ✔ –

The Official Report Card II ScoreRequirement Move determination algorithm Synchronization Computer: display animations, scores ✖ ✔ –

Understanding acceleration acceleration = a(t) = x’’(t) = v’(t) The push you feel in a car … so we use a spring!

What’s a heel raise? atan2(-y,x)

I get a kick … X acceleration

I get a kick … Y acceleration

I get a kick … atan2(-y,x)

Jump, jump for my looooove X acceleration

Jump, jump for my looooove Y acceleration

Demo In the event of a demo emergency, click hereclick here

Strategies Go at a thing from multiple angles Examples!

Knowledge Classes Threads Sockets

Extensions Programmatically learn new moves More moves Regularity of gait More precision in move recognition

Advice Contact Apple the semester before Save some time for CS Nothing’s the same Do then perfect

Questions