/// <summary>
/// Metoda, ktora kontroluje ci nastala kolizia
/// </summary>
/// <returns>true/false</returns>
private bool Collision()
{
var newHeadPos = Snake.GetHead();
if (GameField.gameField[newHeadPos.X, newHeadPos.Y].Info == GameInfo.Apple)
{
GenerateBody();
GenerateApple();
SpeedMS -= SubSpeed;
}
if (GameField.gameField[newHeadPos.X, newHeadPos.Y].Info == GameInfo.SnakeBody)
{
return(false);
}
if (GameField.gameField[newHeadPos.X, newHeadPos.Y].Info == GameInfo.Wall)
{
return(false);
}
if (GameField.gameField[newHeadPos.X, newHeadPos.Y].Info == GameInfo.Snail)
{
SpeedMS += IncSpeed;
}
if (Enemy.Break || Enemy2.Break)
{
return(false);
}
return(true);
}
/// <summary>
/// Aktualizacia pozicie hadika
/// </summary>
/// <returns>stav hry true/false</returns>
public bool Update()
{
int x = Snake.GetHead().X;
int y = Snake.GetHead().Y;
Direction newDirection = Snake.GetHead().Facing;
if (_direction == Direction.Up)
{
y--;
newDirection = Direction.Up;
}
if (_direction == Direction.Down)
{
y++;
newDirection = Direction.Down;
}
if (_direction == Direction.Left)
{
x--;
newDirection = Direction.Left;
}
if (_direction == Direction.Right)
{
x++;
newDirection = Direction.Right;
}
UpdateSnakePosition(x, y, newDirection);
return(GameStatus);
}
/// <summary>
/// aktualizacia pozicie hadika
/// </summary>
/// <param name="x">x os</param>
/// <param name="y">y os</param>
/// <param name="direction">smerovanie hlavy hadika</param>
/// <returns>true/false</returns>
private bool UpdateSnakePosition(int x, int y, Direction direction)
{
if (GameStatus)
{
var tmpSnake = new Snake(Snake);
Snake.UpdatePosition(x, y, direction);
GameStatus = Collision();
if (!GameStatus)
{
return(false);
}
for (int i = 0; i < tmpSnake.Count(); i++)
{
var pp = tmpSnake.GetBody(i);
GameField.gameField[pp.X, pp.Y].SetToNaN();
}
GameField.gameField[Snake.GetHead().X, Snake.GetHead().Y].SetSnakeHead(direction);
if (Snake.Count() > 1)
{
for (int i = 1; i < Snake.Count(); i++)
{
var oldPos = Snake.GetBody(i);
GameField.gameField[oldPos.X, oldPos.Y].SetSnakeBody();
}
}
return(true);
}
return(false);
}