Пример #1
0
    def __init__(self, fontFace, text, color, size):
        pygame.sprite.DirtySprite.__init__(self)
        gameConfig = IniParser("engine.ini")
        fontDirName = gameConfig.get("Text", "fontDir")
        fontFile = os.path.join("src", "core", "fonts", fontFace)

        try:
            self.font = pygame.font.Font(fontFile, size)
        except:
            print "Could not load regular font: " + fontFile

        self.color = color
        self.size = size
        self.text = text

        self.render()
Пример #2
0
    def init(self):
        # Get some constants which we will need later
        self.GameConfig = IniParser("engine.ini")
        intDisplayWidth = int(self.GameConfig.get("EngineCore", "displayWidth"))
        intDisplayHeight = int(self.GameConfig.get("EngineCore", "displayHeight"))

        self.gameWidth = intDisplayWidth
        self.gameHeight = intDisplayHeight

        # a List containing all the safe frogs
        self.safeFrogs = []

        # Cheat sequence
        self.cheatCharInput = []

        # Init the main display engine
        self.engDisplay = DisplayEngine((intDisplayWidth, intDisplayHeight))

        defaultEntityFactory = EntityFactory(self.DisplayEngine)

        listStaticBackgroundEntities = defaultEntityFactory.buildBackground()

        self.engCollision = CollisionEngine(self)
        self.entLifeCounter = defaultEntityFactory.buildLifeCounter()

        entFrog = defaultEntityFactory.buildFrog()
        entFrog.draw()

        # Create the Animated Cars
        entCar1 = defaultEntityFactory.buildCar([20, 189], uniform(2, 7), generateRandomColor())
        entCar2 = defaultEntityFactory.buildCar([20, 219], uniform(2, 7), generateRandomColor())
        entCar3 = defaultEntityFactory.buildCar([20, 249], uniform(2, 7), generateRandomColor())
        entCar4 = defaultEntityFactory.buildCar([20, 279], uniform(2, 7), generateRandomColor())
        entCar5 = defaultEntityFactory.buildCar([20, 309], uniform(2, 7), generateRandomColor())

        # Create an animated Log
        listLastLogCoordinates = [1, 70]
        intLastLogSpeed = 3

        entLastLog = LogEntity(listLastLogCoordinates, intLastLogSpeed, LogEntity.LEFT_TO_RIGHT)
        entLastLog.setGameScreen(self.DisplayEngine)
        contLastLogAnimation = LogController(entLastLog)
        entLastLog.setController(contLastLogAnimation)

        listSecondLogCoordinates = [485, 100]
        intSecondLogSpeed = 2

        entSecondLog = LogEntity(listSecondLogCoordinates, intSecondLogSpeed, LogEntity.RIGHT_TO_LEFT)
        entSecondLog.setGameScreen(self.DisplayEngine)
        contSecondLogAnimation = LogController(entSecondLog)
        entSecondLog.setController(contSecondLogAnimation)

        listFirstLogCoordinates = [1, 130]
        intFirstLogSpeed = 1

        entFirstLog = LogEntity(listFirstLogCoordinates, intFirstLogSpeed, LogEntity.LEFT_TO_RIGHT)
        entFirstLog.setGameScreen(self.DisplayEngine)
        contFirstLogAnimation = LogController(entFirstLog)
        entFirstLog.setController(contFirstLogAnimation)

        # Create the Large Hazard Zone
        listHazardZones = []
        LARGE_HAZARD_LOCATION = [18, 65]
        LARGE_HAZARD_DIMENSIONS = [464, 95]
        entLargeHazardZone = HazardEntity(LARGE_HAZARD_LOCATION, LARGE_HAZARD_DIMENSIONS, COLOR_NAVY_BLUE)
        entLargeHazardZone.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entLargeHazardZone)

        # Create the Smaller Intermediate Hazard Zones
        HAZARD_ZONEA_LOCATION = [80, 30]
        HAZARD_ZONEA_DIMENSIONS = [70, 30]
        entHazardZoneA = HazardEntity(HAZARD_ZONEA_LOCATION, HAZARD_ZONEA_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneA.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneA)

        HAZARD_ZONEB_LOCATION = [210, 30]
        HAZARD_ZONEB_DIMENSIONS = [90, 30]
        entHazardZoneB = HazardEntity(HAZARD_ZONEB_LOCATION, HAZARD_ZONEB_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneB.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneB)

        HAZARD_ZONEC_LOCATION = [360, 30]
        HAZARD_ZONEC_DIMENSIONS = [70, 30]
        entHazardZoneC = HazardEntity(HAZARD_ZONEC_LOCATION, HAZARD_ZONEC_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneC.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneC)

        # Create the SafeZones
        listSafeZones = []
        SAFE_ZONEA_LOCATION = [20, 30]
        SAFE_ZONEA_DIMENSIONS = [60, 30]
        entSafeZoneA = SafeZoneEntity(SAFE_ZONEA_LOCATION, SAFE_ZONEA_DIMENSIONS, COLOR_WHITE)
        entSafeZoneA.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneA)

        SAFE_ZONEB_LOCATION = [150, 30]
        SAFE_ZONEB_DIMENSIONS = [60, 30]
        entSafeZoneB = SafeZoneEntity(SAFE_ZONEB_LOCATION, SAFE_ZONEB_DIMENSIONS, COLOR_WHITE)
        entSafeZoneB.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneB)

        SAFE_ZONEC_LOCATION = [300, 30]
        SAFE_ZONEC_DIMENSIONS = [60, 30]
        entSafeZoneC = SafeZoneEntity(SAFE_ZONEC_LOCATION, SAFE_ZONEC_DIMENSIONS, COLOR_WHITE)
        entSafeZoneC.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneC)

        SAFE_ZONED_LOCATION = [430, 30]
        SAFE_ZONED_DIMENSIONS = [52, 30]
        entSafeZoneD = SafeZoneEntity(SAFE_ZONED_LOCATION, SAFE_ZONED_DIMENSIONS, COLOR_WHITE)
        entSafeZoneD.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneD)

        # The GameEngine should be aware of how many safe zones we have total
        self.listSafeZones = listSafeZones

        # Add the Hazard Boundary Borders
        listHazardBoundaryBorders = []
        LEFT_HAZARD_BOUNDARY_LOCATION = [0, 30]
        LEFT_HAZARD_BOUNDARY_DIMENSIONS = [19, 130]
        entLeftHazardBoundary = StaticEntity(
            LEFT_HAZARD_BOUNDARY_LOCATION, LEFT_HAZARD_BOUNDARY_DIMENSIONS, COLOR_BACKGROUND_GREEN
        )
        entLeftHazardBoundary.setGameScreen(self.DisplayEngine.Surface)
        listHazardBoundaryBorders.append(entLeftHazardBoundary)

        RIGHT_HAZARD_BOUNDARY_LOCATION = [482, 30]
        RIGHT_HAZARD_BOUNDARY_DIMENSIONS = [19, 130]
        entRightHazardBoundary = StaticEntity(
            RIGHT_HAZARD_BOUNDARY_LOCATION, RIGHT_HAZARD_BOUNDARY_DIMENSIONS, COLOR_BACKGROUND_GREEN
        )
        entRightHazardBoundary.setGameScreen(self.DisplayEngine.Surface)
        listHazardBoundaryBorders.append(entRightHazardBoundary)

        # Anything that can collide with the frog should be appended here
        listCollisionEntities = [entCar1, entCar2, entCar3, entCar4, entCar5]
        listCollisionEntities.append(entFirstLog)
        listCollisionEntities.append(entSecondLog)
        listCollisionEntities.append(entLastLog)

        for hazardZone in listHazardZones:
            listCollisionEntities.append(hazardZone)

        for safeZone in listSafeZones:
            listCollisionEntities.append(safeZone)

        # Add a Background Entities to the Game Layer
        self.DisplayEngine.addLayer(listStaticBackgroundEntities)

        # Add the HazardZones to the Game Layer
        self.DisplayEngine.addLayer(listHazardZones)

        # Add the SafeZones to the Game Layer
        self.DisplayEngine.addLayer(listSafeZones)

        # Add the logs to the Game Layer
        self.DisplayEngine.addLayer(entFirstLog)
        self.DisplayEngine.addLayer(entSecondLog)
        self.DisplayEngine.addLayer(entLastLog)

        # Add the Hazard Boundary Borders

        self.DisplayEngine.addLayer(listHazardBoundaryBorders)

        # Add the universal game controller
        UniversalGameController = GameController(self)
        self.DisplayEngine.addUserControlledLayer(entFrog)
        self.DisplayEngine.addGameController(UniversalGameController)

        self.DisplayEngine.addLayer(entCar1)
        self.DisplayEngine.addLayer(entCar2)
        self.DisplayEngine.addLayer(entCar3)
        self.DisplayEngine.addLayer(entCar4)
        self.DisplayEngine.addLayer(entCar5)

        TitleText = Text(FONT_BLOX, "PyFrogger", COLOR_FROG_GREEN, 20)
        TitleText.setGameScreen(self.DisplayEngine.Surface)
        TitleText.draw((400, 4))

        LivesText = Text(FONT_BLOX, "Lives ", COLOR_FROG_GREEN, 20)
        LivesText.setGameScreen(self.DisplayEngine.Surface)
        LivesText.draw((10, 4))

        LivesCounterText = Text(FONT_BLOX, "3", COLOR_FROG_RED, 20)
        LivesCounterText.setGameScreen(self.DisplayEngine.Surface)
        LivesCounterText.draw((70, 4))

        self.entLifeCounter.setLifeTextEntity(LivesCounterText)

        entText = [TitleText, LivesText, LivesCounterText]
        self.DisplayEngine.addLayer(entText)

        self.CollisionEngine.setPlayerLifeCounter(self.entLifeCounter)

        # Adding these entities into the collision engine will let the engine monitor
        # their position and on the action of a rectangle collision, the controlled
        # entity will be handled based on it's collision based methods
        self.CollisionEngine.setControlledEntity(entFrog)
        for collisionEntity in listCollisionEntities:
            self.CollisionEngine.addCollisionEntity(collisionEntity)

        # This variable keeps the run active
        self.running = True
        self.freezeState = False
Пример #3
0
class GameEngine(object):
    def __init__(self):
        return None

    def init(self):
        # Get some constants which we will need later
        self.GameConfig = IniParser("engine.ini")
        intDisplayWidth = int(self.GameConfig.get("EngineCore", "displayWidth"))
        intDisplayHeight = int(self.GameConfig.get("EngineCore", "displayHeight"))

        self.gameWidth = intDisplayWidth
        self.gameHeight = intDisplayHeight

        # a List containing all the safe frogs
        self.safeFrogs = []

        # Cheat sequence
        self.cheatCharInput = []

        # Init the main display engine
        self.engDisplay = DisplayEngine((intDisplayWidth, intDisplayHeight))

        defaultEntityFactory = EntityFactory(self.DisplayEngine)

        listStaticBackgroundEntities = defaultEntityFactory.buildBackground()

        self.engCollision = CollisionEngine(self)
        self.entLifeCounter = defaultEntityFactory.buildLifeCounter()

        entFrog = defaultEntityFactory.buildFrog()
        entFrog.draw()

        # Create the Animated Cars
        entCar1 = defaultEntityFactory.buildCar([20, 189], uniform(2, 7), generateRandomColor())
        entCar2 = defaultEntityFactory.buildCar([20, 219], uniform(2, 7), generateRandomColor())
        entCar3 = defaultEntityFactory.buildCar([20, 249], uniform(2, 7), generateRandomColor())
        entCar4 = defaultEntityFactory.buildCar([20, 279], uniform(2, 7), generateRandomColor())
        entCar5 = defaultEntityFactory.buildCar([20, 309], uniform(2, 7), generateRandomColor())

        # Create an animated Log
        listLastLogCoordinates = [1, 70]
        intLastLogSpeed = 3

        entLastLog = LogEntity(listLastLogCoordinates, intLastLogSpeed, LogEntity.LEFT_TO_RIGHT)
        entLastLog.setGameScreen(self.DisplayEngine)
        contLastLogAnimation = LogController(entLastLog)
        entLastLog.setController(contLastLogAnimation)

        listSecondLogCoordinates = [485, 100]
        intSecondLogSpeed = 2

        entSecondLog = LogEntity(listSecondLogCoordinates, intSecondLogSpeed, LogEntity.RIGHT_TO_LEFT)
        entSecondLog.setGameScreen(self.DisplayEngine)
        contSecondLogAnimation = LogController(entSecondLog)
        entSecondLog.setController(contSecondLogAnimation)

        listFirstLogCoordinates = [1, 130]
        intFirstLogSpeed = 1

        entFirstLog = LogEntity(listFirstLogCoordinates, intFirstLogSpeed, LogEntity.LEFT_TO_RIGHT)
        entFirstLog.setGameScreen(self.DisplayEngine)
        contFirstLogAnimation = LogController(entFirstLog)
        entFirstLog.setController(contFirstLogAnimation)

        # Create the Large Hazard Zone
        listHazardZones = []
        LARGE_HAZARD_LOCATION = [18, 65]
        LARGE_HAZARD_DIMENSIONS = [464, 95]
        entLargeHazardZone = HazardEntity(LARGE_HAZARD_LOCATION, LARGE_HAZARD_DIMENSIONS, COLOR_NAVY_BLUE)
        entLargeHazardZone.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entLargeHazardZone)

        # Create the Smaller Intermediate Hazard Zones
        HAZARD_ZONEA_LOCATION = [80, 30]
        HAZARD_ZONEA_DIMENSIONS = [70, 30]
        entHazardZoneA = HazardEntity(HAZARD_ZONEA_LOCATION, HAZARD_ZONEA_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneA.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneA)

        HAZARD_ZONEB_LOCATION = [210, 30]
        HAZARD_ZONEB_DIMENSIONS = [90, 30]
        entHazardZoneB = HazardEntity(HAZARD_ZONEB_LOCATION, HAZARD_ZONEB_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneB.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneB)

        HAZARD_ZONEC_LOCATION = [360, 30]
        HAZARD_ZONEC_DIMENSIONS = [70, 30]
        entHazardZoneC = HazardEntity(HAZARD_ZONEC_LOCATION, HAZARD_ZONEC_DIMENSIONS, COLOR_BACKGROUND_GREEN)
        entHazardZoneC.setGameScreen(self.DisplayEngine)
        listHazardZones.append(entHazardZoneC)

        # Create the SafeZones
        listSafeZones = []
        SAFE_ZONEA_LOCATION = [20, 30]
        SAFE_ZONEA_DIMENSIONS = [60, 30]
        entSafeZoneA = SafeZoneEntity(SAFE_ZONEA_LOCATION, SAFE_ZONEA_DIMENSIONS, COLOR_WHITE)
        entSafeZoneA.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneA)

        SAFE_ZONEB_LOCATION = [150, 30]
        SAFE_ZONEB_DIMENSIONS = [60, 30]
        entSafeZoneB = SafeZoneEntity(SAFE_ZONEB_LOCATION, SAFE_ZONEB_DIMENSIONS, COLOR_WHITE)
        entSafeZoneB.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneB)

        SAFE_ZONEC_LOCATION = [300, 30]
        SAFE_ZONEC_DIMENSIONS = [60, 30]
        entSafeZoneC = SafeZoneEntity(SAFE_ZONEC_LOCATION, SAFE_ZONEC_DIMENSIONS, COLOR_WHITE)
        entSafeZoneC.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneC)

        SAFE_ZONED_LOCATION = [430, 30]
        SAFE_ZONED_DIMENSIONS = [52, 30]
        entSafeZoneD = SafeZoneEntity(SAFE_ZONED_LOCATION, SAFE_ZONED_DIMENSIONS, COLOR_WHITE)
        entSafeZoneD.setGameScreen(self.DisplayEngine)
        listSafeZones.append(entSafeZoneD)

        # The GameEngine should be aware of how many safe zones we have total
        self.listSafeZones = listSafeZones

        # Add the Hazard Boundary Borders
        listHazardBoundaryBorders = []
        LEFT_HAZARD_BOUNDARY_LOCATION = [0, 30]
        LEFT_HAZARD_BOUNDARY_DIMENSIONS = [19, 130]
        entLeftHazardBoundary = StaticEntity(
            LEFT_HAZARD_BOUNDARY_LOCATION, LEFT_HAZARD_BOUNDARY_DIMENSIONS, COLOR_BACKGROUND_GREEN
        )
        entLeftHazardBoundary.setGameScreen(self.DisplayEngine.Surface)
        listHazardBoundaryBorders.append(entLeftHazardBoundary)

        RIGHT_HAZARD_BOUNDARY_LOCATION = [482, 30]
        RIGHT_HAZARD_BOUNDARY_DIMENSIONS = [19, 130]
        entRightHazardBoundary = StaticEntity(
            RIGHT_HAZARD_BOUNDARY_LOCATION, RIGHT_HAZARD_BOUNDARY_DIMENSIONS, COLOR_BACKGROUND_GREEN
        )
        entRightHazardBoundary.setGameScreen(self.DisplayEngine.Surface)
        listHazardBoundaryBorders.append(entRightHazardBoundary)

        # Anything that can collide with the frog should be appended here
        listCollisionEntities = [entCar1, entCar2, entCar3, entCar4, entCar5]
        listCollisionEntities.append(entFirstLog)
        listCollisionEntities.append(entSecondLog)
        listCollisionEntities.append(entLastLog)

        for hazardZone in listHazardZones:
            listCollisionEntities.append(hazardZone)

        for safeZone in listSafeZones:
            listCollisionEntities.append(safeZone)

        # Add a Background Entities to the Game Layer
        self.DisplayEngine.addLayer(listStaticBackgroundEntities)

        # Add the HazardZones to the Game Layer
        self.DisplayEngine.addLayer(listHazardZones)

        # Add the SafeZones to the Game Layer
        self.DisplayEngine.addLayer(listSafeZones)

        # Add the logs to the Game Layer
        self.DisplayEngine.addLayer(entFirstLog)
        self.DisplayEngine.addLayer(entSecondLog)
        self.DisplayEngine.addLayer(entLastLog)

        # Add the Hazard Boundary Borders

        self.DisplayEngine.addLayer(listHazardBoundaryBorders)

        # Add the universal game controller
        UniversalGameController = GameController(self)
        self.DisplayEngine.addUserControlledLayer(entFrog)
        self.DisplayEngine.addGameController(UniversalGameController)

        self.DisplayEngine.addLayer(entCar1)
        self.DisplayEngine.addLayer(entCar2)
        self.DisplayEngine.addLayer(entCar3)
        self.DisplayEngine.addLayer(entCar4)
        self.DisplayEngine.addLayer(entCar5)

        TitleText = Text(FONT_BLOX, "PyFrogger", COLOR_FROG_GREEN, 20)
        TitleText.setGameScreen(self.DisplayEngine.Surface)
        TitleText.draw((400, 4))

        LivesText = Text(FONT_BLOX, "Lives ", COLOR_FROG_GREEN, 20)
        LivesText.setGameScreen(self.DisplayEngine.Surface)
        LivesText.draw((10, 4))

        LivesCounterText = Text(FONT_BLOX, "3", COLOR_FROG_RED, 20)
        LivesCounterText.setGameScreen(self.DisplayEngine.Surface)
        LivesCounterText.draw((70, 4))

        self.entLifeCounter.setLifeTextEntity(LivesCounterText)

        entText = [TitleText, LivesText, LivesCounterText]
        self.DisplayEngine.addLayer(entText)

        self.CollisionEngine.setPlayerLifeCounter(self.entLifeCounter)

        # Adding these entities into the collision engine will let the engine monitor
        # their position and on the action of a rectangle collision, the controlled
        # entity will be handled based on it's collision based methods
        self.CollisionEngine.setControlledEntity(entFrog)
        for collisionEntity in listCollisionEntities:
            self.CollisionEngine.addCollisionEntity(collisionEntity)

        # This variable keeps the run active
        self.running = True
        self.freezeState = False

    def run(self):
        """
      Constantly render updates to the surface
    """
        # If we find a collision then update the coordinates of the controlled entity
        # before it gets drawn to the display
        self.CollisionEngine.checkForAndHandleCollisions()

        if self.entLifeCounter.Lives == 0:
            self.gameOver()

        if len(self.safeFrogs) == len(self.listSafeZones):
            self.win()

        self.DisplayEngine.updateDisplay()

        # Freezes the Display
        self.DisplayEngine.setFreezeState(self.freezeState)

    def quit(self):
        self.running = False

    def gameOver(self):
        GameOverText = Text(FONT_BLOX, "GAME OVER", COLOR_FROG_RED, 60)
        GameOverText.setGameScreen(self.DisplayEngine.Surface)
        GameOverText.draw((self.gameWidth / 2 - 130, self.gameHeight / 2))

        GameOverText2 = Text(FONT_BLOX, "Press ESC to Quit", COLOR_WHITE, 30)
        GameOverText2.setGameScreen(self.DisplayEngine.Surface)
        GameOverText2.draw((self.gameWidth / 2 - 120, self.gameHeight / 2 + 80))

        GameOverText3 = Text(FONT_BLOX, "Press N for a New Game", COLOR_FROG_RED, 30)
        GameOverText3.setGameScreen(self.DisplayEngine.Surface)
        GameOverText3.draw((self.gameWidth / 2 - 150, self.gameHeight / 2 + 120))

        self.freezeState = True  # Flag to freeze the display

    def win(self):
        VictoryText = Text(FONT_BLOX, "YOU WIN", COLOR_FROG_RED, 60)
        VictoryText.setGameScreen(self.DisplayEngine.Surface)
        VictoryText.draw((self.gameWidth / 2 - 120, self.gameHeight / 2))

        Victory2 = Text(FONT_BLOX, "Press ESC to Quit", COLOR_WHITE, 30)
        Victory2.setGameScreen(self.DisplayEngine.Surface)
        Victory2.draw((self.gameWidth / 2 - 120, self.gameHeight / 2 + 80))

        Victory3 = Text(FONT_BLOX, "Press N for a New Game", COLOR_FROG_RED, 30)
        Victory3.setGameScreen(self.DisplayEngine.Surface)
        Victory3.draw((self.gameWidth / 2 - 150, self.gameHeight / 2 + 120))

        self.freezeState = True  # Flag to freeze the display

    # a Fun little cheat :)
    def lifeCheat(self, keyPress):
        self.cheatCharInput.append(keyPress)

        cheatCharInput = "pyfrogger"
        lengthOfCheatSequence = len(cheatCharInput)
        lenOfCharInput = len(self.cheatCharInput)

        # Need to see if we can actually test the string first, we may not have enough characters
        if (lenOfCharInput / lengthOfCheatSequence) > 0:
            # If the lengths are the same this means we have exactly one attempt to make
            if lenOfCharInput == lengthOfCheatSequence:
                testAttempts = 1
            else:
                testAttempts = lenOfCharInput - lengthOfCheatSequence

            for startingPosition in xrange(0, testAttempts):
                testSequence = "".join(
                    self.cheatCharInput[startingPosition : (startingPosition + lengthOfCheatSequence)]
                )
                if testSequence == cheatCharInput:
                    self.entLifeCounter.add(99)
                    self.entLifeCounter.Text.setText(self.entLifeCounter.Lives)

    def reset(self):
        if self.freezeState == True:
            self.entLifeCounter.set(3)
            self.entLifeCounter.Text.setText(self.entLifeCounter.Lives)

            self.freezeState = False
            self.DisplayEngine.PlayerDisplayLayers.empty()

            for safeZone in self.listSafeZones:
                safeZone.markUnoccupied()

            defaultEntityFactory = EntityFactory(self.DisplayEngine)
            entNewFrog = defaultEntityFactory.buildFrog()
            entNewFrog.draw()
            self.DisplayEngine.addUserControlledLayer(entNewFrog)
            self.CollisionEngine.setControlledEntity(entNewFrog)

            self.safeFrogs = []

    @property
    def DisplayEngine(self):
        return self.engDisplay

    @property
    def CollisionEngine(self):
        return self.engCollision