void OnContainerSizeChanged(object sender, EventArgs args)
{
View container = (View)sender;
double width = container.Width;
double height = container.Height;
if (width <= 0 || height <= 0)
{
return;
}
// Orient StackLayout based on portrait/landscape mode.
stackLayout.Orientation = (width < height) ? StackOrientation.Vertical :
StackOrientation.Horizontal;
// Calculate tile size and position based on ContentView size.
tileSize = Math.Min(width, height) / this.sp.width;
absoluteLayout.WidthRequest = this.sp.width * tileSize;
absoluteLayout.HeightRequest = this.sp.width * tileSize;
foreach (View fileView in absoluteLayout.Children)
{
SlidingPuzzleTile tile = SlidingPuzzleTile.Dictionary[fileView];
// Set tile bounds.
AbsoluteLayout.SetLayoutBounds(fileView, new Rectangle(tile.currentCol * tileSize, tile.currentRow * tileSize, tileSize, tileSize));
}
}
async Task AnimateTile(int row, int col, int newRow, int newCol, uint length)
{
// The tile to be animated.
SlidingPuzzleTile tile = tiles[row, col];
View tileView = tile.TileView;
// The destination rectangle.
Rectangle rect = new Rectangle(emptyCol * tileSize,
emptyRow * tileSize,
tileSize,
tileSize);
// Animate it!
await tileView.LayoutTo(rect, length);
// Set layout bounds to same Rectangle.
AbsoluteLayout.SetLayoutBounds(tileView, rect);
// Set several variables and properties for new layout.
tiles[newRow, newCol] = tile;
tile.currentRow = newRow;
tile.currentCol = newCol;
tiles[row, col] = null;
emptyRow = row;
emptyCol = col;
}
async void OnTileTapped(object sender, EventArgs args)
{
if (isBusy)
{
return;
}
isBusy = true;
View tileView = (View)sender;
SlidingPuzzleTile tappedTile = SlidingPuzzleTile.Dictionary[tileView];
taps.Add(new Tuple <int, int>(emptyRow, emptyCol));
await ShiftIntoEmpty(tappedTile.currentRow, tappedTile.currentCol);
isBusy = false;
await isPuzzleSolved();
}
public SlidingPuzzlePage(SlidingPuzzle sp, Attraction attraction)
{
InitializeComponent();
this.gc = GameController.getInstance();
subtitles.Source = ServerConection.URL_MEDIA + "subtitles.jpg";
info.Source = ServerConection.URL_MEDIA + "info.jpg";
playVideo.Source = ServerConection.URL_MEDIA + "playVideo.jpg";
how.Source = ServerConection.URL_MEDIA + "how.png";
this.sp = sp;
taps = new List <Tuple <int, int> >();
tiles = new SlidingPuzzleTile[sp.width, sp.height];
emptyRow = sp.width - 1;
emptyCol = sp.height - 1;
this.attraction = attraction;
for (int row = 0; row < sp.width; row++)
{
for (int col = 0; col < sp.height; col++)
{
if (row == emptyRow && col == emptyCol)
{
break;
}
SlidingPuzzleTile tile = new SlidingPuzzleTile(row, col, sp.piecesURLS[row * sp.width + col]);
TapGestureRecognizer tapGestureRecognizer = new TapGestureRecognizer();
tapGestureRecognizer.Tapped += OnTileTapped;
tile.TileView.GestureRecognizers.Add(tapGestureRecognizer);
tiles[row, col] = tile;
absoluteLayout.Children.Add(tile.TileView);
}
}
shuffle();
}
