private bool CalculateSwappedGems()
{
//var dirctions = (
// left:{-1, 0},// left
// right: {1, 0},// right
// up: {0, -1},// up
// down: {0, 1},// down
//);
var minRowIndex = 0;
var maxRowIndex = GameConfig.Instance.gemRow - 1;
var minColumnIndex = 0;
var maxColumnIndex = GameConfig.Instance.gemColumn - 1;
var gemToCheckList = new List <GemController>();
gemToCheckList.Add(_firstSelectedGemControler);
gemToCheckList.Add(_secondSelectedGemControler);
var hasMatchedGems = false;
foreach (var gem in gemToCheckList)
{
// Horizontal
var leftMostColumnIndex = gem.Column;
var rightMostColumnIndex = gem.Column;
// Left
for (int col = gem.Column - 1; col >= minColumnIndex; col--)
{
var leftGem = _currentGemControllerMatrix[gem.Row, col];
var currentGem = _currentGemControllerMatrix[gem.Row, leftMostColumnIndex];
if (GemController.IsMatched(leftGem, currentGem))
{
leftMostColumnIndex = col;
}
else
{
break;
}
}
// Right
for (int col = gem.Column + 1; col <= maxColumnIndex; col++)
{
var rightGem = _currentGemControllerMatrix[gem.Row, col];
var currentGem = _currentGemControllerMatrix[gem.Row, rightMostColumnIndex];
if (GemController.IsMatched(rightGem, currentGem))
{
rightMostColumnIndex = col;
}
else
{
break;
}
}
// Vertical
var upperMostRowIndex = gem.Row;
var lowestRowIndex = gem.Row;
// Up
for (int row = gem.Row - 1; row >= minRowIndex; row--)
{
var upperGem = _currentGemControllerMatrix[row, gem.Column];
var currentGem = _currentGemControllerMatrix[upperMostRowIndex, gem.Column];
if (GemController.IsMatched(upperGem, currentGem))
{
upperMostRowIndex = row;
}
else
{
break;
}
}
// Low
for (int row = gem.Row + 1; row <= maxRowIndex; row++)
{
var lowerGem = _currentGemControllerMatrix[row, gem.Column];
var currentGem = _currentGemControllerMatrix[lowestRowIndex, gem.Column];
if (GemController.IsMatched(lowerGem, currentGem))
{
lowestRowIndex = row;
}
else
{
break;
}
}
if (rightMostColumnIndex - leftMostColumnIndex >= 2)
{
hasMatchedGems = true;
for (int i = leftMostColumnIndex; i <= rightMostColumnIndex; i++)
{
var current = _currentGemControllerMatrix[gem.Row, i];
current.IsTagged = true;
}
}
if (lowestRowIndex - upperMostRowIndex >= 2)
{
hasMatchedGems = true;
for (int i = upperMostRowIndex; i <= lowestRowIndex; i++)
{
var current = _currentGemControllerMatrix[i, gem.Column];
current.IsTagged = true;
}
}
}
return(hasMatchedGems);
}