public Vector3 Hex2Board(CubeCoordinate hex)
{
Vector3 position;
position.y = spacing.y * (hex.z + 0.5f * hex.x);
position.x = spacing.x * hex.x;
position.z = 0;
return(position);
}
public static IEnumerable <CubeCoordinate> Fan(CubeCoordinate center, int radius)
{
for ( ; radius >= 0; --radius)
{
foreach (var position in Arc(center, radius))
{
yield return(position);
}
}
}
ICell IBoard.this[CubeCoordinate coord] {
get {
if (cells.TryGetValue(coord, out var cell))
{
return(cell);
}
else
{
return(null);
}
}
}
public void Destroy(CubeCoordinate coord)
{
if (cells.TryGetValue(coord, out var cell) == false)
{
return;
}
if (cell.block == null)
{
return;
}
Destroy(cell.block.gameObject);
cell.block = null;
}
void IBoard.Spawn(CubeCoordinate coord, int count)
{
Debug.Assert(count > 0);
var spawner = cells[coord].GetComponent <Spawner>();
Debug.Assert(spawner != null, $"Tried to spawn a block from non-spawner cell, {coord}");
var offset = FlatTopDirection.N * count;
var p = coord;
for (var i = 0; i < count; ++i)
{
var cell = cells[p];
cell.block = SpawnBlock(spawner.Draw(), p + offset);
anim.Drop(cell);
p -= FlatTopDirection.N;
}
}
public static IEnumerable <CubeCoordinate> Ring(CubeCoordinate center, int radius)
{
if (radius <= 0f)
{
yield return(center);
yield break;
}
var position = center + (around[4] * radius);
foreach (var dir in around)
{
for (var i = 0; i < radius; ++i)
{
yield return(position);
position += dir;
}
}
}
void IBoard.Drop(CubeCoordinate from, CubeCoordinate to)
{
Swap(cells[from], cells[to]);
Debug.Assert(cells[to].block != null, $"{from} -> {to}");
anim.Drop(cells[to]);
}
void IBoard.Swap(CubeCoordinate from, CubeCoordinate to)
{
Swap(cells[from], cells[to]);
}
bool IBoard.HasCell(CubeCoordinate coord)
{
return(cells.ContainsKey(coord));
}
public int Distance(CubeCoordinate subject)
{
return(Distance(this, subject));
}
public Line(CubeCoordinate selected, CubeCoordinate direction)
{
this.selected = selected;
this.direction = direction;
}
public Vector3 Hex2World(CubeCoordinate hex)
{
var local = Hex2Board(hex);
return(transform.TransformPoint(local));
}
private static bool Less(CubeCoordinate a, CubeCoordinate b)
{
return(a.r < b.r);
}
public Burst(CubeCoordinate selected)
{
target = selected;
}