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書名： XNA 4.0 Game Development by Example Beginner's Guide（Visual Basic Edition）
作者名： Kurt Jaegers
本章字?jǐn)?shù)： 116字
更新時(shí)間： 2021-08-20 15:50:37

Time for action – building a GamePiece class – constructors

Add two constructors to your GamePiece.vb file after the declarations:

Public Sub New(type As String, suffix As String)
  _pieceType = type
  _pieceSuffix = suffix
End Sub

Public Sub New(type As String)
  _pieceType = type
  _pieceSuffix = ""
End Sub

What just happened?

A constructor is run when an instance of the GamePiece class is created. By specifying two constructors, we will allow future code to create a GamePiece, by specifying a piece type with or without a suffix. If no suffix is specified, an empty suffix is assumed.

Updating a GamePiece

When a GamePiece is updated, you can change the piece type, the suffix, or both.

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XNA 4.0 Game Development by Example Beginner's Guide（Visual Basic Edition）

Time for action – building a GamePiece class – constructors

What just happened?

Updating a GamePiece