/// <summary>
/// Main game function, performs game logic
/// </summary>
public void Update()
{
if (_currentscore >= MaxScore)
{
_timeBetweenFrames = _level >= 4 ?
_timeBetweenFrames.Add(TimeSpan.FromMilliseconds(-35))
:
_timeBetweenFrames.Add(TimeSpan.FromMilliseconds(-100));
_currentscore = 0;
_level += 1;
GameProgressChanged?.Invoke(this, new GameProgressChangedEventArgs(_level, LevelProgress));
Thread.Sleep(TimeSpan.FromMilliseconds((int)(TimeBeforeGameStart * 0.52)));
ResetScreen();
Thread.Sleep(TimeSpan.FromMilliseconds((int)(TimeBeforeGameStart * 0.37)));
return;
}
if (_newShapeNeeded)
{
_shape.Location = new Vector2(3, 0);
_shape.ShapeOnMatrix = _futureShapeOnMatrix;
_shape.Color = _futureColor;
_shape.UpdateActiveShape();
if (_shape.ActiveShape.Any(vec => GetBrickAtPosition(vec.X, vec.Y).Color != EmptyCellColor))
{
_isGameRunning = false;
_level = 1;
_currentscore = 0;
GameProgressChanged?.Invoke(this, new GameProgressChangedEventArgs(_level, LevelProgress));
_timeBetweenFrames = TimeSpan.FromMilliseconds(DefaultTime);
return;
}
ColorShape();
SetupFutureShape();
_futureShapeOnMatrix.ResetShape();
var preview = _futureShapeOnMatrix.GetListForPreview();
for (int i = 0; i < preview.Count; i++)
{
_nextShape[i].Color = preview[i] ? _futureColor : EmptyCellColor;
}
_newShapeNeeded = false;
return;
}
MoveShape(Direction.Bottom);
}
/// <summary>
/// Performs row clear if it is needed
/// </summary>
/// <param name="y">Row to check</param>
private void CheckClearGridRow(int y)
{
if (_currentscore >= 3)
{
return;
}
int start = y == _height - 1 ? 2 : 0;
int end = y == _height - 1 ? _width - 2 : _width;
for (int i = start; i < end; i++)
{
if (GetBrickAtPosition(i, y).Color == EmptyCellColor)
{
return;
}
}
int half = _width / 2;
int numOfColorsInGradient = 10;
Color[][] colorTab = new Color[_width][];
for (int i = start; i < end; i++)
{
colorTab[i] = GenerateGradient(GetBrickAtPosition(i, y).Color, SparkColor, numOfColorsInGradient - 2);
}
for (int j = 0; j < numOfColorsInGradient; j++)
{
for (int i = start; i < end; i++)
{
GetBrickAtPosition(i, y).Color = colorTab[i][j];
}
Thread.Sleep(50);
}
for (int i = start; i < end; i++)
{
colorTab[i] = GenerateGradient(SparkColor, EmptyCellColor, numOfColorsInGradient - 2);
}
for (int j = 0; j < numOfColorsInGradient; j++)
{
for (int i = start; i < end; i++)
{
GetBrickAtPosition(i, y).Color = colorTab[i][j];
}
Thread.Sleep(35);
}
for (int j = y; j > 0; j--)
{
for (int i = start; i < end; i++)
{
GetBrickAtPosition(i, j).Color = GetBrickAtPosition(i, j - 1).Color;
}
}
_currentscore += 1;
GameProgressChanged?.Invoke(this, new GameProgressChangedEventArgs(_level, LevelProgress));
if (y == _height - 1)
{
CheckClearGridRow(_height - 1);
}
}