public static void RotateMultiple()
{
RotationGridNavigator.RotateBy(GridDirection.None, 8).Should().Be(GridDirection.None);
RotationGridNavigator.RotateBy(GridDirection.North, 8).Should().Be(GridDirection.North);
RotationGridNavigator.RotateBy(GridDirection.None, 16).Should().Be(GridDirection.None);
RotationGridNavigator.RotateBy(GridDirection.North, 16).Should().Be(GridDirection.North);
RotationGridNavigator.RotateBy(GridDirection.None, 17).Should().Be(GridDirection.None);
RotationGridNavigator.RotateBy(GridDirection.North, 17).Should().Be(GridDirection.NorthEast);
}
public FixedOffsetRotationGridNavigator(IMapNavigator <GridDirection> parent, int rotationSteps)
{
this.parent = parent ?? throw new ArgumentNullException(nameof(parent));
this.directions = new GridDirection[9];
for (var i = 0; i < directions.Length; i += 1)
{
directions[i] = RotationGridNavigator.RotateBy((GridDirection)i, rotationSteps);
}
}
public static void RotateCounterClockWise()
{
RotationGridNavigator.RotateBy(GridDirection.None, -1).Should().Be(GridDirection.None);
RotationGridNavigator.RotateBy(GridDirection.North, -1).Should().Be(GridDirection.NorthWest);
RotationGridNavigator.RotateBy(GridDirection.NorthWest, -1).Should().Be(GridDirection.West);
RotationGridNavigator.RotateBy(GridDirection.West, -1).Should().Be(GridDirection.SouthWest);
RotationGridNavigator.RotateBy(GridDirection.SouthWest, -1).Should().Be(GridDirection.South);
RotationGridNavigator.RotateBy(GridDirection.South, -1).Should().Be(GridDirection.SouthEast);
RotationGridNavigator.RotateBy(GridDirection.SouthEast, -1).Should().Be(GridDirection.East);
RotationGridNavigator.RotateBy(GridDirection.East, -1).Should().Be(GridDirection.NorthEast);
RotationGridNavigator.RotateBy(GridDirection.NorthEast, -1).Should().Be(GridDirection.North);
}
public static void RotateZero()
{
RotationGridNavigator.RotateBy(GridDirection.None, 0).Should().Be(GridDirection.None);
RotationGridNavigator.RotateBy(GridDirection.North, 0).Should().Be(GridDirection.North);
}
