private MyShipPosition GetNewShip(List <MyShipPosition> positionsSoFar, int length)
{
while (true)
{
Square startSquare = Square.randomSquare();
bool horizontal = r.Next(2) == 1;
MyShipPosition shipAttempt;
if (horizontal)
{
shipAttempt =
new MyShipPosition(
startSquare.x,
startSquare.y,
startSquare.x,
startSquare.y + length - 1);
}
else
{
shipAttempt =
new MyShipPosition(
startSquare.x,
startSquare.y,
startSquare.x + length - 1,
startSquare.y);
}
if (isLegal(shipAttempt, positionsSoFar))
{
return(shipAttempt);
}
}
}
private bool borders(MyShipPosition other)
{
return
(other.end.x >= this.start.x - 1 &&
this.end.x >= other.start.x - 1 &&
other.end.y >= this.start.y - 1 &&
this.end.y >= other.start.y - 1);
}
private bool isLegal(MyShipPosition shipAttempt, List <MyShipPosition> shipsSoFar)
{
if (shipAttempt.outOfBounds())
{
return(false);
}
if (shipAttempt.bordersAny(shipsSoFar))
{
return(false);
}
return(true);
}
