internal IEnumerable <Hex> GetNeighbours(int x, int y, bool passable = true)
{
var tile = tiles.Find(t => (t.X == x) && (t.Y == y));
if (tile == null)
{
return(null);
}
List <Hex> neighbours = new List <Hex>();
foreach (var direction in directions)
{
int dirX = direction.Value.X;
int dirY = direction.Value.Y;
var neighbour = tiles.Find(n => (n.X == tile.X + dirX) && (n.Y == tile.Y + dirY));
if (neighbour == null)
{
double[] coords = GeoUtils.GetLatitudeLongitude(tile.Latitude, tile.Longitude, tile.Bearing + direction.Key, StepSize, mainBody.Radius);
double newBearing = GeoUtils.FinalBearing(tile.Latitude, tile.Longitude, coords[0], coords[1]);
newBearing = (newBearing - direction.Key + 360) % 360;
double altitude = GeoUtils.TerrainHeightAt(coords[0], coords[1], mainBody);
neighbour = new Hex(coords[0], coords[1], altitude, newBearing, tile.X + dirX, tile.Y + dirY, this);
}
neighbours.Add(neighbour);
tiles.Add(neighbour);
}
if (passable)
{
switch (tileTypes)
{
case TileTypes.Land | TileTypes.Ocean:
return(neighbours.Where(
n =>
((n.Altitude - tile.Altitude) < StepSize / 2) &&
((n.Altitude - tile.Altitude) > 0 - StepSize / 2)
));
case TileTypes.Land:
return(neighbours.Where(
n => (n.Altitude >= 0 || !mainBody.ocean) &&
((n.Altitude - tile.Altitude) < StepSize / 2) &&
((n.Altitude - tile.Altitude) > 0 - StepSize / 2)
));
case TileTypes.Ocean:
return(neighbours.Where(
n => (n.Altitude <= 0)
));
default:
return(neighbours);
}
}
else
{
return(neighbours);
}
}
internal IEnumerable <Hex> GetNeighbours(int x, int y, bool passable = true)
{
// Debug.Log (String.Format("bonvoyage - finding neighbours for {0}, {1}", x, y));
var tile = tiles.Find(t => (t.X == x) && (t.Y == y));
if (tile == null)
{
// Debug.Log ("bonvoyage - tile not found");
return(null);
}
List <Hex> neighbours = new List <Hex> ();
foreach (var direction in directions)
{
int dirX = direction.Value.X;
int dirY = direction.Value.Y;
var neighbour = tiles.Find(n => (n.X == tile.X + dirX) && (n.Y == tile.Y + dirY));
if (neighbour == null)
{
// Debug.Log ("bonvoyage - neighbour not found");
double[] coords = GeoUtils.GetLatitudeLongitude(tile.Latitude, tile.Longitude, tile.Bearing + direction.Key, StepSize, mainBody.Radius);
double newBearing = GeoUtils.FinalBearing(tile.Latitude, tile.Longitude, coords [0], coords [1]);
newBearing = (newBearing - direction.Key + 360) % 360;
double altitude = GeoUtils.TerrainHeightAt(coords [0], coords [1], mainBody);
neighbour = new Hex(coords [0], coords [1], altitude, newBearing, tile.X + dirX, tile.Y + dirY, this);
}
neighbours.Add(neighbour);
tiles.Add(neighbour);
}
if (passable)
{
return(neighbours.Where(
n => (n.Altitude >= 0 || !mainBody.ocean) &&
((n.Altitude - tile.Altitude) < StepSize / 2) &&
((n.Altitude - tile.Altitude) > 0 - StepSize / 2)
));
}
else
{
return(neighbours);
}
}
