Client Specification

Use Case 1.1: As a user, I want to rotate a 3D object

Category	Description
Participating Actors	User
Goal	Rotate a 3D object
Trigger	User has an object that they would like to rotate
PreCondition	The application is running and the user knows gesture
PostCondition	Object is rotated to the users desire
Flow	1. User has both hands open and facing the leap 2. User moves one hand in both the x and y direction (depends on mode) 3. System responds with corresponding movement
Exceptions	1. User not in correct rest position 2. User moves both hands

Use Case 1.2: As a user, I want to move a 3D object

Category	Description
Participating Actors	User
Goal	Move a 3D object
Trigger	User has an object that they would like to move
PreCondition	The application is running and the user knows gesture
PostCondition	Object is moved to the users desire
Flow	1. User has both hands open and facing the leap 2. User clenches one of their hands 3. User moves open hand in both the x and y direction 4. System responds with corresponding movement
Exceptions	1. User not in correct rest position 2. User clenches both hands 3. User move fist instead of hand

Use Case 1.3: As a user, I want to zoom in on a 3D object

Category	Description
Participating Actors	User
Goal	Zoom in on a 3D object
Trigger	User has an object that they would like to zoom in on
PreCondition	The application is running and the user knows gesture
PostCondition	Object is zoomed to the users desire
Flow	1. User has both hands open and facing the leap 2. User clenches one of their hands and leaves their thumb out 3. User moves open hand in the y direction 4. System responds with corresponding movement
Exceptions	1. User not in correct rest position 2. User has other fingers out 3. User move fist instead of hand