public void VisibleTest()
{
Func <IHexCoordinate, bool> isBlock = c => c.Equals(HexCoordinates.Cube(0, 0, 0));
Assert.True(Center.Visible(HexCoordinates.Cube(1, -1, 0), isBlock));
Assert.False(Center.Visible(HexCoordinates.Cube(-1, 0, 1), isBlock));
}
public void LineTest()
{
var expected = new List <IHexCoordinate>
{
Center,
HexCoordinates.Cube(1, 0, -1),
HexCoordinates.Cube(0, 0, 0),
HexCoordinates.Cube(0, -1, 1)
};
CollectionAssert.AreEqual(expected, Center.Line(HexCoordinates.Cube(0, -1, 1)));
}
public void FieldOfViewTest()
{
Func <IHexCoordinate, bool> isBlock = c =>
c.Equals(HexCoordinates.Cube(0, 0, 0)) ||
c.Equals(HexCoordinates.Cube(1, 0, -1)) ||
c.Equals(HexCoordinates.Cube(2, 0, -2)) ||
c.Equals(HexCoordinates.Cube(0, 2, -2));
var field = Center.FieldOfView(5, isBlock).ToList();
Assert.False(field.Contains(HexCoordinates.Cube(0, 0, 0)));
Assert.False(field.Contains(HexCoordinates.Cube(-1, -2, 3)));
Assert.False(field.Contains(HexCoordinates.Cube(2, -1, -1)));
Assert.False(field.Contains(HexCoordinates.Cube(3, 0, -3)));
Assert.True(field.Contains(HexCoordinates.Cube(1, 2, -3)));
Assert.True(field.Contains(HexCoordinates.Cube(4, 0, -4)));
}
public void DiagonalTest()
{
var expected = new List <IHexCoordinate>
{
HexCoordinates.Cube(3, 0, -3),
HexCoordinates.Cube(2, -1, -1),
HexCoordinates.Cube(0, 0, 0),
HexCoordinates.Cube(-1, 2, -1),
HexCoordinates.Cube(0, 3, -3),
HexCoordinates.Cube(2, 2, -4)
};
var result =
EnumUtils.Values <HexDirection>().Select(direction => Center.Diagonal(direction)).ToList();
CollectionAssert.AreEquivalent(expected, result);
}
public void ReachableTest()
{
var expected = new List <IHexCoordinate>
{
HexCoordinates.Cube(0, 1, -1),
HexCoordinates.Cube(0, 2, -2),
HexCoordinates.Cube(1, 2, -3),
HexCoordinates.Cube(2, 1, -3)
};
Func <IHexCoordinate, bool> isBlock = c =>
c.Equals(HexCoordinates.Cube(0, 0, 0)) ||
c.Equals(HexCoordinates.Cube(1, 0, -1)) ||
c.Equals(HexCoordinates.Cube(2, 0, -2));
CollectionAssert.AreEquivalent(expected, Center.Reachable(1, isBlock));
}
public void NeighborTest()
{
Assert.AreEqual(HexCoordinates.Cube(2, 0, -2), Center.Neighbor(HexDirection.A));
var neighbor =
EnumUtils.Values <HexDirection>().Select(direction => Center.Neighbor(direction)).ToList();
CollectionAssert.AreEquivalent(neighbor, Center.AllNeighbors());
neighbor = new List <IHexCoordinate>
{
HexCoordinates.Cube(2, 0, -2),
HexCoordinates.Cube(1, 0, -1),
HexCoordinates.Cube(0, 1, -1),
HexCoordinates.Cube(0, 2, -2),
HexCoordinates.Cube(1, 2, -3),
HexCoordinates.Cube(2, 1, -3)
};
CollectionAssert.AreEquivalent(neighbor, Center.AllNeighbors());
}
public void HexGridTest()
{
_grid.Add(HexCoordinates.Cube(0, 0, 0), 0);
_grid.Add(HexCoordinates.Cube(1, -1, 0), 0);
_grid.Add(HexCoordinates.Cube(1, -2, 1), 0);
_grid.Add(HexCoordinates.Cube(-1, 0, 1), 0);
_grid.Add(HexCoordinates.Cube(-1, 1, 0), 0);
_grid.Add(HexCoordinates.Cube(0, 1, -1), 0);
_grid.Add(HexCoordinates.Cube(1, 0, -1), 0);
_grid.Add(HexCoordinates.Cube(2, -3, 1), 0);
var path = _grid.BreadthFirstSearch(HexCoordinates.Cube(0, 0, 0), HexCoordinates.Cube(2, -3, 1));
var expected = new List <IHexCoordinate>
{
HexCoordinates.Cube(0, 0, 0),
HexCoordinates.Cube(1, -1, 0),
HexCoordinates.Cube(1, -2, 1),
HexCoordinates.Cube(2, -3, 1)
};
CollectionAssert.AreEquivalent(expected, path);
}
public void FromRingTest()
{
Assert.AreEqual(HexCoordinates.Cube(1, -1, 0), HexCoordinates.Ring(Center, 2, 5));
Assert.AreEqual(HexCoordinates.Cube(4, -2, -2), HexCoordinates.Ring(Center, 3, 4));
}
public void FromCubeTest()
{
Assert.Throws <ArgumentException>(() => { HexCoordinates.Cube(1, 1, 1); });
}
public void DistanceTest()
{
Assert.AreEqual(2, Center.Distance(HexCoordinates.Cube(1, -1, 0)));
}
public void RotateTest()
{
Assert.AreEqual(HexCoordinates.Cube(-2, 4, -2), Center.Rotate(HexCoordinates.Cube(4, -2, -2), 3));
}
public void Initialize()
{
Center = HexCoordinates.Cube(1, 1, -2);
}
public void RingOfTest()
{
Assert.AreEqual(HexCoordinates.Ring(Center, 3, 9), Center.ToRing(HexCoordinates.Cube(-1, 0, 1)));
Assert.AreEqual(HexCoordinates.Ring(Center, 3, 9), Center.ToRing(HexCoordinates.Cube(-1, 0, 1)));
Assert.AreEqual(HexCoordinates.Ring(Center, 2, 3), Center.ToRing(HexCoordinates.Ring(Center, 2, 3).ConvertTo()));
}
