Sensor Sensei

Tom Yu

About me - Tom Yu

● Android Engineer● UT graduate● Enjoys video game development as a hobby● Amateur magician

About Bob

● 270 lbs (when filled)● 60” - 78”● Born without legs

What is Sensor Sensei?

Wearable Hackathon

Wearable Hackathon

● Equipment○ Punching Mannequin○ Punching Gloves○ TI Sensors

● Placement of Sensors● No SDK for TI Sensor (Created SDK)● BTLE

Planning

Initial Designs

End of Hack-a-thon

Good● Connect external

sensor to Android Device via BTLE

● Basic UI● Punch force was

being detected

End of Hack-a-thon

Bad● Data was coming in

slow● Issues regarding the

sound pool (Multiple sounds would play simultaneously)

● Low Accuracy when detecting a user punch

Hackathon to Internal Project

Data Analysis

Technologies

● Otto● Dagger● Property/Object Animators [Android SDK]● Android Service [Android SDK]● REST Operations● Server● Praxis (Coming up next)● BTLE

Game Architecture and Logic

● Main Loop● State Pattern (Finite State Machine)● Game Logic/Rules

○ 15 second game duration○ Increased difficulty as score increases○ Leaderboard for users who obtain a high score

State Pattern

Sensor Sensei 1.0

● Sensor data is being sent at an acceptable rate

● Improved UI and Visual Design● Added animation● Profile pictures are taken from MM servers

for a more personalized experience● Improved Game Logic

What we learned

● Importance of hackathon○ Explore new technologies○ Bonding of the MM employees○ Code under unusual or unfamiliar constraints

● Development of wearable tech● Difference between game development and

enterprise application development

Questions?