// Checks if the point shares one axis with the ship and whether the other
// axis is between the bow and stern
public bool IsPointOnShip(Point p)
{
// Same vertical axis
if (p.GetX() == _bow.GetX())
{
// Checking if point lies between Y values
if (_bow.GetY() <= _stern.GetY())
{
return(p.GetY() >= _bow.GetY() && p.GetY() <= _stern.GetY());
}
else
{
return(p.GetY() >= _stern.GetY() && p.GetY() <= _bow.GetY());
}
}
// Same horizontal axis
if (p.GetY() == _bow.GetY())
{
// Checking if point lies between X values
if (_bow.GetX() <= _stern.GetX())
{
return(p.GetX() >= _bow.GetX() && p.GetX() <= _stern.GetX());
}
else
{
return(p.GetX() >= _stern.GetX() && p.GetX() <= _bow.GetX());
}
}
return(false);
}
// Checks if point lies on the game's grid
private bool IsValidBoardPoint(Point p)
{
bool xValid = p.GetX() >= 0 && p.GetX() < _gridSize;
bool yValid = p.GetY() >= 0 && p.GetY() < _gridSize;
return(xValid && yValid);
}
// Returns the absolutel value of the difference of the non shared axis
private int CalcShipLength()
{
if (_bow.GetX() == _stern.GetX())
{
return(Math.Abs(_bow.GetY() - _stern.GetY()) + 1);
}
else
{
return(Math.Abs(_bow.GetX() - _stern.GetX()) + 1);
}
}