public static Direction ToDirection(this Bomberman.Api.Point for_, Bomberman.Api.Point to, params Bomberman.Api.Element[] preset)
{
if (to.IsElementAs(preset))
{
return(for_.ToDirection(to));
}
return(Direction.Stop);
}
public static IEnumerable <Bomberman.Api.Point> GetNear(this Bomberman.Api.Point point, params Bomberman.Api.Element[] preset)
{
foreach (var near in point.GetNear())
{
if (near.IsElementAs(preset))
{
yield return(near);
}
}
}
// лево, верх, право, низ
public static IEnumerable <Bomberman.Api.Point> GetNear(this Bomberman.Api.Point point)
{
yield return(point.ShiftLeft());
yield return(point.ShiftTop());
yield return(point.ShiftRight());
yield return(point.ShiftBottom());
}
public static Direction ToDirectionOrStop(this Bomberman.Api.Point for_, Bomberman.Api.Point to)
{
if (for_ == to)
{
return(Direction.Stop);
}
else
{
return(for_.ToDirection(to));
}
}
// Не проверено
public static IEnumerable <Bomberman.Api.Point> GetNearOfRadius(this Bomberman.Api.Point point, int radius, bool isKrest, params Bomberman.Api.Element[] preset)
{
for (var i = point.Y - radius; i < point.Y + radius; i++)
{
var endJ = 2 * radius - Math.Abs(point.X - i);
for (var j = Math.Abs(point.X - i); j < endJ; j++)
{
yield return(new Bomberman.Api.Point(j, i));
}
}
}
public static Bomberman.Api.Point Shift(this Bomberman.Api.Point point, Direction direction, int delta = 1)
{
switch (direction)
{
case Direction.Left: return(point.ShiftLeft(delta));
case Direction.Up: return(point.ShiftTop(delta));
case Direction.Right: return(point.ShiftRight(delta));
case Direction.Down: return(point.ShiftBottom(delta));
}
throw new ArgumentException("Передано неверное направление");
}
// Можно прямо здесь зашить невозможность создать направление в стенку.
public static Direction ToDirection(this Bomberman.Api.Point for_, Bomberman.Api.Point to)
{
if (for_.ShiftLeft() == to)
{
return(Direction.Left);
}
if (for_.ShiftTop() == to)
{
return(Direction.Up);
}
if (for_.ShiftRight() == to)
{
return(Direction.Right);
}
if (for_.ShiftBottom() == to)
{
return(Direction.Down);
}
return(Direction.Stop);
}
public static bool IsElementAs(this Bomberman.Api.Point point, params Bomberman.Api.Element[] preset) => preset.Contains(point.ToElement());