private IEnumerator SwapTilesRoutine(GemBehaviour gemA, GemBehaviour gemB)
{
var indexA = gemA.Index.Clone();
var indexB = gemB.Index.Clone();
gemA.Move(indexB, SequenceParameters.GemMoveTime);
gemB.Move(indexA, SequenceParameters.GemMoveTime);
yield return(new WaitForSeconds(SequenceParameters.GemMoveTime));
var matches =
GridManager.FindMatchesAt(indexA)
.Union(GridManager.FindMatchesAt(indexB));
if (matches.Any())
{
yield return(new WaitForSeconds(SequenceParameters.PlayerMatchCheckDelay));
ClearAndRefillBoard(matches);
}
else
{
gemA.Move(indexA, SequenceParameters.GemMoveTime);
gemB.Move(indexB, SequenceParameters.GemMoveTime);
}
}
private GemBehaviour MakeGemFall(GemBehaviour gem, int xIndex, int initY, int newY)
{
var index = new GridIndex(xIndex, newY);
gem.Move(index, gemFallSpeed * (initY - newY));
SetGemPosition(gem, index);
allGems[xIndex, initY] = null;
return(gem);
}