private static TileCoords GetNewTileWhenLeavingPentagon(TileCoords currentPenta, TileCoords currentFacing, HexDirection hexDirection, PentagonTraversalStrategy strategy)
{
PentaDirection pentaDirection = PentaDirection.Forward;//default
if (strategy == PentagonTraversalStrategy.LeanLeft)
{
switch (hexDirection)
{
case HexDirection.Forward:
pentaDirection = PentaDirection.Forward;
break;
case HexDirection.ForwardRight:
pentaDirection = PentaDirection.ForwardRight;
break;
case HexDirection.BackwardRight:
pentaDirection = PentaDirection.BackwardRight;
break;
case HexDirection.Backward:
case HexDirection.BackwardLeft:
pentaDirection = PentaDirection.BackwardLeft;
break;
case HexDirection.ForwardLeft:
pentaDirection = PentaDirection.ForwardLeft;
break;
}
}
else
{
pentaDirection = PentaDirection.Forward;
}
return(HexMapHelper.GetTileInPentaDirection(currentPenta, currentFacing, pentaDirection));
}
public static TileCoords GetTileInPentaDirection(TileCoords startTile, TileCoords startFacing, PentaDirection direction)
{
Tile tile = instance.baseHexasphere.tiles[startTile.index];
if (tile.neighbours.Length == 5)
{
//count tiles until we find the current facing
for (int neighborIndex = 0; neighborIndex < tile.neighbours.Length; neighborIndex++)
{
Tile neighborTile = tile.neighbours[neighborIndex];
if (neighborTile.index == startFacing.index)
{
return(new TileCoords {
index = tile.neighbours[(neighborIndex + (int)direction) % 5].index
});
}
}
throw new Exception("Failed to Find Neighbor");
}
else
{
throw new Exception("The startTile is not a Pentagon. Use GetTileInHexDirection instead.");
}
}
