private TetrisPiece(TetrisBoard board)
{
var maxPieceKind = Enum.GetValues(typeof(TetrisPieceKind)).Cast <int>().Max();
var maxColor = Enum.GetValues(typeof(TetrisFillState)).Cast <int>().Max();
Kind = (TetrisPieceKind)Number.Next(0, maxPieceKind + 1);
Color = (TetrisFillState)Number.Next(1, maxColor + 1);
Board = board;
Sprite = Sprites.GetSprite(Kind, Rotation);
}
public static TetrisPiece Spawn(TetrisBoard board)
{
var piece = new TetrisPiece(board);
var possibleX = new List <int>(board.Width);
for (var x = 0; x < board.Width; x++)
{
if (TestBounds(board, piece.Sprite, x, 0))
{
possibleX.Add(x);
}
}
// No more space to place items!
if (possibleX.Count <= 0)
{
return(null);
}
var selectedX = Number.Next(0, possibleX.Count);
piece.Move(possibleX[selectedX], 0);
return(piece);
}