Use Case 5--Pause Game

Context of Use:
The user is able to pause the game and then later resume the game when the user hits the resume button.
　

Scope:
J2ME Pac-man Game Application
　

Level:
User Goal
　

Primary Actor:
Mobile Phone or PDA User
　

Stakeholders and Interests:
User: wnats to be able to pause and resume game whenever he feels like it.
　

Precondition:
Game must currently be running and being played.
　

Minimal Guaruntee:
Palyer is able to Pause and Resume Game
　

Success Guaruntee:
Player resumes game at the same point/state in the current level of play no matter how long the game had been paused
　

Trigger:
Player hits the pause button
　

Main Success Scenario:
　

• 1. Player presses the pause button during a level in the game.
  　
• 2. A menu is displayed asking if the user wants to resume or save game.
  　
• 3. The game waits for the user input.
• 4. The user chooses to resume the game.
• 5. The game is restored to the state it was in prior to the pause.
  　

Extentions:
　

• 4a. The user chooses to save the game.
  　
• 4b. The game is saved.
  　
• 4c. The user is given the option to resume the game or exit.
  　
  • 4c1. If the user chooses to resume game jump to state 5 in Main Success Scenario.
    　
  • 4c2. If the user chooses to exit the game jump to Exit Game use case.

Technology and Data Variations:
None
　

Related Information:
PacMan Use Case 5 Collaboration Diagram
PacMan Use Case 5 Class Diagram
PacMan Package Diagram
Pac Man Use Case Model