content: function GetMainGameModel()
      if (m._mainGameModel = invalid)
          prototype = {}
  
          prototype.gameProcessData = {
              bloodSplatCount: 15
              enemysCount: 15
          }
  
          prototype._playerSpeed = 0.05236
          prototype._healthCount = 3
          prototype._bulletSpeed = 60
  
          prototype.decreaseHealth = function()
              m.playerData.healthCount--
          end function
          
          prototype.getGameProcessData = function()
              return m.gameProcessData
          end function
  
          prototype.getPlayerData = function()
              return m.playerData
          end function
  
          prototype.setPlayerData = function()
              m.playerData = {
                  healthCount: m._healthCount,
                  playerSpeed: m._playerSpeed,
                  playerStartPosition: m._setPlayerStartPosition(),
                  bulletsSpeed: m._bulletSpeed
              }
          end function
          
          prototype._setPlayerStartPosition = function()
              startPosition = []
              startPosition= [800, 940]
              return startPosition
          end function
  
          prototype.setHelthCount = function(helthCount)
              m._healthCount = healthCount
          end function
  
          prototype.setPlayerSpeed = function(playerSpeed)
              m._playerSpeed = playerSpeed
          end function
  
          m._mainGameModel = prototype 
      end if
      return m._mainGameModel
  end function