public HexagonGrid(int width, int height, Canvas canvas, TappedEventHandler tapHandler )
{
// Size of the grid ( size x size)
Width = width;
Height = height;
// Determine hexagon size
_canvas = canvas;
_hexagonRadius = (int)(Window.Current.Bounds.Height / Height / 2);
_hexagonHeight = _hexagonRadius * Math.Sin(Math.PI / 3);
// Determine pixel width/height
double pixelWidth = Width * 1.5 * _hexagonRadius + (Width % 2) * _hexagonRadius;
double pixelHeight = _hexagonHeight * 2 * Height;
// Offset for centering on screen
_offsetX = (Window.Current.Bounds.Width - pixelWidth) / 2 + _hexagonRadius;
_offsetY = (Window.Current.Bounds.Height - pixelHeight) / 2 + _hexagonHeight / 2;
// Create grid
Grid = new Hexagon[Width, Height];
// Populate grid to null
for (int i = 0; i < Width; i++)
{
for (int j = 0; j < Height; j++)
{
Hexagon hex = new Hexagon(_hexagonRadius, i, j);
Point coord = coordinatesToHexagonPosition(i, j);
// Position Grid
hex.Top = _offsetY + coord.Y;
hex.Left = _offsetX + coord.X;
// Hide (for now)
hex.IsVisible = false;
// Save grid
Grid[i, j] = hex;
// Add to visual tree
hex.UIElement.Tapped += tapHandler;
_canvas.Children.Add(hex.UIElement);
}
}
}
void HexTapped(object sender, TappedRoutedEventArgs e)
{
if (Game.State == GameState.GameOver) return;
Hexagon hex = ((Polygon)sender).DataContext as Hexagon;
if (hex != null && Game.Grid[hex.X, hex.Y].HexColor != Color.Null)
{
swapSoundEffect.Play();
if (selectedHex != null)
{
// Swap (sucess == adjacent)
Coordinate coordA = new Coordinate(selectedHex.X, selectedHex.Y);
Coordinate coordB = new Coordinate(hex.X, hex.Y);
if (Game.Swap(coordA, coordB))
{
// Process Explosions
List<Coordinate> explodedElements = Game.Purge(1);
List<Coordinate> updatedElement = new List<Coordinate>() { coordA, coordB };
// Update board
Grid.Update(Game, updatedElement, explodedElements, true);
// Update score
ScoreTxtBlock.Text = Game.TotalPoints.ToString();
// Level up
if (Game.TotalPoints > nextUpgrade)
{
nextUpgrade += upgradeCriteria;
audio.PlaybackRate += upgradeIncrease;
Timer.Interval = TimeSpan.FromMilliseconds(timerInterval * (1 - level * upgradeIncrease));
level++;
}
// Remove selection
hex.Selected = false;
selectedHex.Selected = false;
selectedHex = null;
}
else
{
// Update selection
selectedHex.Selected = false;
hex.Selected = true;
selectedHex = hex;
}
}
else
{
// Remember selection
hex.Selected = true;
selectedHex = hex;
}
}
}
public void StartGame(object sender, RoutedEventArgs e)
{
// Remove selection
if (selectedHex != null)
{
selectedHex.Selected = false;
selectedHex = null;
}
// Hide Menu
HideMenu();
// Reset upgrades
nextUpgrade = upgradeCriteria;
audio.PlaybackRate = 1;
level = 1;
// Start Game
Game.Start(1);
// Show Score
ScoreTxtBlock.Text = Game.TotalPoints.ToString();
ScoreTxtBlock.Visibility = Windows.UI.Xaml.Visibility.Visible;
// Start Timer
Timer.Tick += GameTick;
Timer.Interval = TimeSpan.FromMilliseconds(timerInterval);
Timer.Start();
// Update grid
Grid.Update(Game);
}
public void UpdateHex(Hexagon hUI, Hex h)
{
if (h.HexColor == Color.Null)
{
hUI.Color = new SolidColorBrush(Colors.Gray);
hUI.IsVisible = false;
}
else
{
GradientStopCollection gsc = new GradientStopCollection();
GradientStop white = new GradientStop();
GradientStop primary = new GradientStop();
primary.Offset = -0.25;
white.Offset = 1.5;
white.Color = Colors.White;
switch (h.HexColor)
{
case Color.Blue:
primary.Color = Colors.Blue;
break;
case Color.Green:
primary.Color = Colors.Green;
break;
case Color.Orange:
primary.Color = Colors.Orange;
break;
case Color.White:
primary.Color = Colors.White;
break;
case Color.Purple:
primary.Color = Colors.Purple;
break;
case Color.Red:
primary.Color = Colors.Red;
break;
case Color.Yellow:
primary.Color = Colors.Yellow;
break;
}
gsc.Add(primary);
gsc.Add(white);
// Update UIElement
hUI.IsVisible = true;
hUI.Color = new LinearGradientBrush(gsc, 0.0f); ;
}
}
// Show score
public void DisplayScore(Hexagon hex, int value)
{
// Create new textElement
TextBlock score = new TextBlock();
score.FontSize = 35;
score.Text = string.Format("+{0}", value);
// Center Textblock
score.SetValue(Canvas.LeftProperty, hex.Left - 25);
score.SetValue(Canvas.TopProperty, hex.Top - 10);
// Add to Canvas
_canvas.Children.Add(score);
// Animate score
AnimateScore(hex, score);
}
public void AnimateScore(Hexagon hex, TextBlock score)
{
var key = string.Format("explode-score-animation-{0}-{1}-{2}", Utilities.RandomGenerator.Next(), hex.X, hex.Y);
if (_canvas.Resources.ContainsKey(key))
{
(_canvas.Resources[key] as Storyboard).Begin();
}
else
{
// Create animation
Storyboard storyboard = new Storyboard();
// Opacity
DoubleAnimation animation = new DoubleAnimation();
animation.From = 1;
animation.To = 0;
animation.Duration = new Duration(TimeSpan.FromMilliseconds(1000));
Storyboard.SetTargetProperty(animation, "(UIElement.Opacity)");
Storyboard.SetTarget(animation, score);
storyboard.Children.Add(animation);
// Hide after done
storyboard.Completed += (object sender, object e) =>
{
_canvas.Children.Remove(score);
_canvas.Resources.Remove(key);
};
// Add to Canvas
_canvas.Resources.Add(new KeyValuePair<object, object>(key, storyboard));
storyboard.Begin();
}
}
// Display
public void AnimateNewHex(Hexagon hex)
{
var key = "display-animation-" + hex.X + "-" + hex.Y;
if(_canvas.Resources.ContainsKey(key))
{
(_canvas.Resources[key] as Storyboard).Begin();
}
else
{
// Create animation
Storyboard storyboard = new Storyboard();
DoubleAnimation animation = new DoubleAnimation();
animation.From = 0.5;
animation.To = 1;
animation.Duration = new Duration(TimeSpan.FromMilliseconds(1000));
Storyboard.SetTarget(animation, hex.UIElement);
Storyboard.SetTargetProperty(animation, "(UIElement.Opacity)");
storyboard.Children.Add(animation);
// Add to Canvas
_canvas.Resources.Add(new KeyValuePair<object, object>(key, storyboard));
storyboard.Begin();
}
}
// Hide
public void AnimateDestroyHex(Hexagon hex)
{
var key = "explode-animation-" + hex.X + "-" + hex.Y;
if(_canvas.Resources.ContainsKey(key))
{
(_canvas.Resources[key] as Storyboard).Begin();
}
else
{
// Create animation
Storyboard storyboard = new Storyboard();
DoubleAnimation animation = new DoubleAnimation();
animation.From = 1;
animation.To = 0;
animation.Duration = new Duration(TimeSpan.FromMilliseconds(1000));
Storyboard.SetTarget(animation, hex.UIElement);
Storyboard.SetTargetProperty(animation, "(UIElement.Opacity)");
storyboard.Children.Add(animation);
// Hide after don
storyboard.Completed += (object sender, object e) =>
{
hex.IsVisible = false;
};
// Add to Canvas
_canvas.Resources.Add(new KeyValuePair<object, object>(key, storyboard));
storyboard.Begin();
}
}
