public void Empty() {
cells = new Tile[size][];
for (var x = 0; x < size; x++) {
Tiles[x] = new Tile[size];
}
OnTileChanged(EventArgs.Empty);
}
public void RemoveTile(Tile tile) {
Tiles[tile.X][tile.Y] = null;
OnTileChanged(EventArgs.Empty);
}
public void InsertTile(Tile tile) {
Tiles[tile.X][tile.Y] = tile;
OnTileChanged(EventArgs.Empty);
}
public void MoveTile(Tile tile, Cell cell) {
if (!tile.PositionsEqual(cell)) {
cells[tile.X][tile.Y] = null;
cells[cell.X][cell.Y] = tile;
tile.UpdatePosition(cell);
}
}
private void AddRandomTile() {
if (grid.CellsAvailable) {
var val = random.NextDouble() < 0.9 ? 2 : 4;
var tile = new Tile(grid.RandomAvailableCell(), val);
grid.InsertTile(tile);
}
}
public void Move(Vector vector) {
// if (this.isGameTerminated()) return;
var traversals = Traversals.FromVector(vector);
var moved = false;
PrepareTiles();
foreach (var x in traversals.X) {
foreach (var y in traversals.Y) {
var cell = new Cell { X = x, Y = y };
var tile = grid.CellContent(cell);
if (tile != null) {
var positions = FindFarthestPosition(cell, vector);
var next = grid.CellContent(positions.Next);
if (next != null && next.Value == tile.Value && next.MergedFrom == null) {
//grid.RemoveTile(tile);
// Converge the two tiles' positions
//tile.UpdatePosition(positions.Next);
grid.RemoveTile(tile);
grid.RemoveTile(next);
var merged = new Tile(next.X, next.Y, tile.Value * 2);
merged.MergedFrom = new[] { tile, next };
grid.InsertTile(merged);
Score += merged.Value;
if (merged.Value == 2048) {
Won = true;
}
}
else {
grid.MoveTile(tile, positions.Farthest);
}
if (!tile.PositionsEqual(cell)) {
moved = true;
}
}
}
}
if (moved) {
AddRandomTile();
if (!MovesAvailable()) {
Over = true; // game over;
}
}
//this.actuate();
}
