public static TileWithFacing Face(this TileWithFacing startVec, HexDirection direction)
{
TileCoords newFacing;
if (HexMapHelper.GetTileShape(startVec.position) == TileShape.Hexagon)
{
newFacing = HexMapHelper.GetTileInHexDirection(startVec.position, startVec.facing, direction);
}
else
{
newFacing = GetNewTileWhenLeavingPentagon(startVec.position, startVec.facing, direction, PentagonTraversalStrategy.LeanLeft);
}
return(new TileWithFacing()
{
position = startVec.position, facing = newFacing
});
}
public static TileWithFacing Traverse(this TileWithFacing startVec, HexDirection direction, int steps = 1, PentagonTraversalStrategy strategy = PentagonTraversalStrategy.LeanLeft)
{
TileCoords currentTile = startVec.position;
TileCoords currentFacing = startVec.facing;
for (int step = 0; step < steps; step++)
{
TileCoords newTile;
if (HexMapHelper.GetTileShape(currentTile) == TileShape.Hexagon)
{
newTile = HexMapHelper.GetTileInHexDirection(currentTile, currentFacing, direction);
}
else
{
//We're stepping out of a Pentagon using HexDirection. What do we do?
newTile = GetNewTileWhenLeavingPentagon(currentTile, currentFacing, direction, strategy);
}
direction = HexDirection.Forward;
if (HexMapHelper.GetTileShape(newTile) == TileShape.Hexagon)
{
currentFacing = HexMapHelper.GetTileInHexDirection(newTile, currentTile, HexDirection.Backward);
}
else
{
//We're stepping into a Pentagon with Hex Directions. What do we do?
currentFacing = GetFacingWhenEnteringPentagon(currentTile, newTile, strategy);
}
currentTile = newTile;
}
return(new TileWithFacing()
{
position = currentTile, facing = currentFacing
});
}
