Detailed Use Cases:

Identification: UC 1 : Start Game

• Player:
  • Wants to start a driving game either for fun or training

• System is loaded in a web browser.

• A new game has been started.

1. Player loads the system and chooses to start a new game.
2. Player selects difficulty level and a default map is loaded.
3. The driving simulation starts.

• None

• The user must have internet access.
• The user must have an advanced web browser installed which can support highly-interactive possibly-embedded portable software. The goal for such a platform is to relax installation efforts.
• User's computing system should have 3D support, and capability of achieving framerates of at least 25 fps.

• Every time the user navigates to the web page containing the software.

• None at this time.

Identification: UC1.1 : Choose Difficulty

• Player:
  • Wants to choose level of difficulty of simulation.

• UC 1 has successfully completed.

• A default map is loaded using the selected difficulty.
• Game screen comes up awaiting user input.

1. User chooses a diffulty level.
2. A new map is successfully loaded with traps set up throughout.
3. The simulation is rendered and begins accepting user input.

• None

• As desired by the player throughout the simulation. Usuaully, this is set once per game.

• None at this time.

Identification: UC2 : Plays Game

• Player:
  • Wants to drive through the simulation (player is encouraged to improve driving skills).
  • Needs to avoid hazards in order to progress through the level.
  • Ultimately, the player wants to complete each level in the simulation to win the game.

• UC1.1 have completed successfully.

• The player is playing the driving simulation.

• The player completes driving objectives for each level and the game ends. User actions necessary to fulfill objectives are in Extensions UC 2.0.x

• The player quits while in the game.
• The player wrecks.
• The player runs out of time.

• As often as once per game.

• None at this time.

Identification: UC2.0.1 : Accelerate

• Player:
  • The player wants to accelerate their vehicle.

• UC 2 has successfully completed.

• The player's vehicle has accelerated.

• The player elects to accelerate vehicle
• Player presses the acceleration control
• System increases the player's vehicle acceleration.

• None.

• As desired by the player throughout the simulation.

• None at this time.

Identification: UC2.0.2 : Brake

• Player:
  • Player wants to reduce speed or completely halt vehicle's movement.

• UC 2 has successfully completed.

• The player vehicle's speed has been reduced.

• The player elects to reduce the vehicle's speed.
• The player presses the brake control.
• The system reduces the player vehicle's speed.

• Player is stopped
  • Pressing the brake control has no effect on the vehicle.

• As desired by the player throughout the simulation.

• None at this time.

Identification: UC2.0.3 : Turn vehicle

• Player:
  • The player wants to turn the vehicle.

• UC 2 has successfully completed.
• The player is in a state of motion.

• The player's vehicle will be turned in the desired direction.

• The player elects to turn vehicle
• The player presses the left or right turn control.
• The system changes the direction of the player's vehicle in the direction of the desired turn.

• Player is already turning.
  • The player's vehicle turning radius is decreased.
• Player is stopped
  • The player vehicle's direction remains the same.

• As desired by the player throughout the simulation.

• None at this time.

Identification: UC2.1 : Replay Game

• Player:
  • Wants to review events leading up to the end of simulation play.

• UC2.0 have completed successfully.

• The player reviews the simulation and returns to the main menu.

• The player fails driving objectives for a level and the game ends. User actions necessary to fail objectives are in Extensions UC 2. A menu prompts asking the player if they want to review a replay. The player selects the "replay" option. The replay loads and automatically starts when finished loading.

• The player opts not to review replay and returns to the main menu.

• By default, the replay menu is prompted once per ended game. However, the user may not watch or watch the replay as many times as desired.

• None at this time.

Identification: UC2.2 : Pause Game

• Player:
  • Player wants to pause the current simulation.

• UC 2 has successfully completed.

• Game is paused.
• The game screen is replaced with the pause menu.

• The player selects the pause option in the game.
• The system pauses the simulation.
• The game screen is replaced with the pause menu.

• None

• As desired by the player throughout the simulation.

• None at this time.

Identification: UC2.3 : Quits Game

• Player:
  • Player wants to quit the simulator.

• UC 2.1 has successfully completed.

• The simulation is ended.

• The player selects the quit option from the pause menu.
• The system ends the current simulation.
• The system presents the user with the main menu.

• None for top level use case.

• None at this time.

Identification: UC 3.1 : Administrator Logs In

• Administrator:
  • Wants to login to the system

• The simulation is loaded.

• Access is granted to administration options.

• Selects the administrator login option from the main menu.
• Provide login credentials to the system.
• The system validates the user's credentials.
• The system presents the administration options to the user.

• Invalid credentials.
  • The system informs the user that credentials are invalid.
  • The system presents the user with the administrator login option.

• None at this time.

Identification: UC 3.2 : Change Administrator Password

• Administrator:
  • Wants to change the administrator password.

• The simulation is loaded.
• UC 3.1 has successfully completed.

• Administrator password has been updated.

• UC 3.1 has successfully completed.
• Change password option is selected.
• Administrator updates password.
• System validates the new password.
• Administrator password is updated in the system.

• Invalid password is entered.
• System reprompts the user to enter a valid password.

• None at this time.

Identification: UC 3.3 : Create Map/Hazard

• Administrator:
  • Administrator wants to create a new map or hazard for the simulation.

• UC 3.1 has successfully completed.
• User chooses create map or create hazard.

• Administrator has successfully created a new map or road hazard.

• UC 3.1 has successfully completed.

• User selects create map option.
• User creates a new map and registers it with the simulation.
• The system incorporates the new map into the simulation.

• User selects create road hazard option.
• User creates a new road hazard and registers it with the simulation.
• The system incorporates the new road hazard into the simulation.

• Invalid production of the road hazard.
  • User is notified that the hazard has not been created.
  • User is taken back to the Administrator options screen.

• None at this time.

Identification: UC 3.4 : Delete Map/Hazard

• Administrator:
  • Administrator wants to delete an existing map or road hazard from the simulation.

• UC 3.1 has successfully completed.
• User selects delete map or delete road hazard option.

• Administrator has successfully deleted an existing map or road hazard.

• UC 3.1 has successfully completed.

• User selects delete map option.
• User deletes the selected map.
• The system removes the map from the simulation.

• User selects delete road hazard option.
• User deletes the selected road hazard.
• The system removes the road hazard from the simulation.

• None at this time.

• None at this time.