Use Cases

Exception Paths

Name	Exception Path
EP1	1. User does not know/refuses to provide information
	1.1 Researcher submits any values
	1.2 After the dance session, researcher cancels the record so that information is not stored
EP2	1. User walks away
	1.1 Researcher presses close button to reset to main menu

UC1
Use case name	Enter initial happiness information
Priority	MVP
Triggering event	User wants to participate in the happy dance
Brief description	Allows researcher to enter user happiness in order to begin the dance session
Actors	Researcher
Preconditions	System must be presenting the main menu
Postconditions	Dance session will begin
Input	Researcher enters user's age, gender, and happiness level
Output	System screen transitions to dance session
Normal Execution Path	1. User approaches happy dance station
	2. Researcher evaluates user's happiness and presses play button level
Exception Path	1. EP1
Test	Unity Test Runner - Testing button works and new screen is prompted

UC2
Use case name	System plays happy dance
Priority	MVP
Triggering event	Researcher presses play button
Brief description	The system presents an avatar performing a happy dance for the user to follow
Actors	Researcher
Preconditions	Researcher has entered user info
Output	Video of avatar performing happy dance with accompanying music
Normal Execution Path	1. System presents happy dance video with music
	2. Once video has ended, system transitions to end screen
Exception Path	1. EP2
Test	Unity Test Runner - Entirety of the dance is played, or dance is stopped and able to restart.

UC3
Use case name	System tracks user poses
Priority	Optional
Triggering event	System starts dance session
Brief description	As the user dances, the system will track how accurately the user's poses are to the presented poses on screen
Actors	User,System
Preconditions	UC2
Input	User dance moves via kinect
Output	Match/no match record for each pose on csv file
Normal Execution Path	1. System presents happy dance on screen
	2. User begins dancing
	3. System monitors user dance moves via kinect and performs analysis on user joints to determine if user is performing correct pose
	4. System records match/no match for each pose along with overall match percentage on csv file
Exception Path	1. EP2
Test	No formal tests, unit testing on the scripts

UC4
Use case name	Enter final user information
Priority	MVP
Triggering event	User has completed happy dance
Brief description	Allows researcher to enter final user information in order to complete session
Actors	Researcher
Preconditions	System must be presenting the final menu
Postconditions	System will reset to main menu
Input	Researcher enters user's post dance happiness level
Output	System updates csv file with post dance happiness level
Normal Execution Path	1. Researcher asks user for new happiness level age, and gender
	2. Researcher enters user's age, gender, and new happiness level into the system
	3. Researcher presses update to export the data to the database component
Exception Path	1. EP1
	2. EP2
Test	Unity Test Runner - Button prompt enters final information into a csv file.

UC5
Use case name	Dynamic Backgrounds
Priority	Delighter
Triggering event	User moves in a recognized pattern
Brief description	The User moves in a certain way which activates a trigger, and creates a dynamic event.
Actors	User,System
Preconditions	System must be looking for a certain dance move
Postconditions	System will move to looking for next move
Input	System recognizes a user's movements
Output	System dynamically changes the background
Normal Execution Path	1. User is following the dance
	2. User activates the trigger depending on the move
	3. The System registers the move and activates a dynamic element.
Exception Path	1. EP2
Test	Unit testing on functions, unity test program to register player movements