private void ClearDots()
{
int dotsCountBeforeClearing = CountDots();
List <List <DotScript> > dotsToClear = new List <List <DotScript> >();
//Rows
HashSet <DotScript> rowsSet = new HashSet <DotScript>();
for (int j = 0; j < columns; j++)
{
for (int i = 0; i < rows; i++)
{
List <DotScript> dots = new List <DotScript>();
var dot = GetDotAtXY(j, i);
if (dot && dot.color != DotScript.Type.Empty && !rowsSet.Contains(dot))
{
while (true)
{
dots.Add(dot);
rowsSet.Add(dot);
if (dot.leftConnectedTo)
{
dot = dot.leftConnectedTo;
}
else
{
if (dots.Count > 1)
{
dotsToClear.Add(dots);
}
break;
}
}
}
}
}
//Columns
HashSet <DotScript> columnsSet = new HashSet <DotScript>();
for (int j = 0; j < columns; j++)
{
for (int i = 0; i < rows; i++)
{
List <DotScript> dots = new List <DotScript>();
var dot = GetDotAtXY(j, i);
if (dot && dot.color != DotScript.Type.Empty && !columnsSet.Contains(dot))
{
while (true)
{
dots.Add(dot);
columnsSet.Add(dot);
if (dot.upConnectedTo)
{
dot = dot.upConnectedTo;
}
else
{
if (dots.Count > 1)
{
dotsToClear.Add(dots);
}
break;
}
}
}
}
}
foreach (var l in dotsToClear)
{
Color listColor = Color.black;
int listCount = l.Count;
foreach (var dot in l)
{
listColor = DotScript.GetColorFromType(dot.color);
var ps = dot.GetComponentInChildren <ParticleSystem>();
var col = ps.colorOverLifetime;
var grad = new Gradient();
grad.SetKeys(
new GradientColorKey[] {
new GradientColorKey(listColor, 0.0f),
new GradientColorKey(Color.white, 1.0f)
},
new GradientAlphaKey[] {
new GradientAlphaKey(0.0f, 0.0f),
new GradientAlphaKey(1.0f, 0.5f),
new GradientAlphaKey(0.0f, 1.0f)
}
);
col.color = new ParticleSystem.MinMaxGradient(grad);
dot.GetComponentInChildren <ParticleSystem>().Play();
dot.SetType(DotScript.Type.Empty);
dot.highlight.gameObject.SetActive(false);
}
int score = gameplayScript.GetScoreForCombo(listCount);
EventManager.OnIncreaseScore(score);
EventManager.OnClearLine(l, listColor, score);
}
int dotsCountAfterClearning = CountDots();
int dotsClearedCount = Mathf.Abs(dotsCountAfterClearning - dotsCountBeforeClearing);
EventManager.OnClearDots(dotsClearedCount);
}