Drone Grid Case Study: The User Interface - Beginning Android 3D Game Development - page 334

The m_PreviousCharacterButton button cycles backward through the character set that is available
for entering the player's name/initials.
private MenuItem m_PreviousCharacterButton;
The m_EnterButton button is pressed to select the character for the current player's name/initial
entry position.
private MenuItem m_EnterButton;
The m_Text variable holds the character set that will be used for the player's name/initials.
private BillBoardCharacterSet m_Text;
The m_NumberCharactersInSet variable holds the number of characters in the m_Text character set.
private int m_NumberCharactersInSet = 0;
The m_CharacterSetIndex variable is used to keep track of the current character that the user has
selected for input for his or her name/initials.
private int m_CharacterSetIndex = 0;
The m_FontWidth is the width of the character font used in the character set m_Text .
private int m_FontWidth;
The m_FontHeight is the height of the character font used in the character set m_Text .
private int m_FontHeight;
The m_HighScoreEntryMenuImage variable holds the billboard for the high score entry menu.
private BillBoard m_HighScoreEntryMenuImage;
The m_Dirty variable is true if m_HighScoreEntryMenuImage has to be updated.
private boolean m_Dirty = true;
The m_StartingEntryPositionX variable holds the starting x position of the player's name/initials
input field.
private int m_StartingEntryPositionX;
The m_StartingEntryPositionY variable holds the starting y position of the player's name/initials
input field.
private int m_StartingEntryPositionY;