public void NotContains()
{
RectangleInt rect = new RectangleInt(0, 0, 5, 5);
int2 tile = new int2(10, 10);
Assert.False(rect.Contains(tile));
}
public void Contains()
{
RectangleInt rect = new RectangleInt(0, 0, 5, 5);
int2 tile = new int2(3, 3);
Assert.IsTrue(rect.Contains(tile));
}
public static IEnumerable<HexGridElement> CreateHexMap(Vector startingCenter, float edgeLength, RectangleInt areaRectangle)
{
var hexRadius = MathUtil.CalcHypotenuseSide(edgeLength * 2, edgeLength);
var angles = new[] { -30, 30, 90 };
var hexCenters = new HashSet<HexGridElement>();
var toExplore = new HashSet<HexGridElement> { new HexGridElement(startingCenter, edgeLength, areaRectangle.Location) };
while (toExplore.Any())
{
var currentHex = toExplore.First();
toExplore.Remove(currentHex);
foreach (var angle in angles)
{
var position = Point.Zero;
switch (angle)
{
case -30:
position = currentHex.Position.Translate(new Point(1, currentHex.Position.X % 2 == 0 ? -1 : 0));
break;
case 30:
position = currentHex.Position.Translate(new Point(1, currentHex.Position.X % 2 == 0 ? 0 : 1));
break;
case 90:
position = currentHex.Position.Translate(new Point(0, 1));
break;
}
var adjacent = currentHex.Center
.TranslatePolar(MathUtil.ToRadians(angle), hexRadius)
.RoundTo(1);
var adjacentHex = new HexGridElement(adjacent, edgeLength, position);
if (areaRectangle.Contains(adjacentHex.Position))
{
if (!toExplore.Contains(adjacentHex) && !hexCenters.Contains(adjacentHex))
toExplore.Add(adjacentHex);
}
}
hexCenters.Add(currentHex);
}
return hexCenters;
}