public static int[] TryCollectFullRows(this IGridManager gridManager)
{
var grid = gridManager.Grid;
var dimensions = grid.Dimensions;
var fullRows = gridManager.GetFullRows().ToArray();
foreach (var row in fullRows)
{
for (var x = 0; x < dimensions.x; x++)
{
Object.Destroy(gridManager.GetBlock(new Vector2Int(x, row)));
for (var y = row; y >= 1; y--)
{
var currentRowCoordinate = new Vector2Int(x, y);
var previousRowCoordinate = new Vector2Int(x, y - 1);
var currentBlock = gridManager.GetBlock(previousRowCoordinate);
gridManager.SetBlock(currentRowCoordinate, currentBlock);
if (currentBlock != null)
{
currentBlock.transform.position = grid.GetWorldCoordinate(currentRowCoordinate);
}
gridManager.SetBlock(previousRowCoordinate, null);
}
}
}
return(fullRows);
}
public static IEnumerable <int> GetFullRows(this IGridManager gridManager)
{
var grid = gridManager.Grid;
var dimensions = grid.Dimensions;
for (var y = 0; y < dimensions.y; y++)
{
var isFullRow = true;
for (var x = 0; x < dimensions.x; x++)
{
if (gridManager.GetBlock(new Vector2Int(x, y)) == null)
{
isFullRow = false;
break;
}
}
if (isFullRow)
{
yield return(y);
}
}
}
private static bool CheckCollision(
this IGridManager gridManager,
Vector2Int coordinate,
Shape shape,
Vector2Int step)
{
var sizeX = shape.Size.x;
var sizeY = shape.Size.y;
var dimensions = gridManager.Grid.Dimensions;
var maxX = dimensions.x - 1;
var maxY = dimensions.y - 1;
for (var x = 0; x < sizeX; x++)
{
for (var y = 0; y < sizeY; y++)
{
if (!shape.GetBlock(new Vector2Int(x, y)))
{
continue;
}
var resultX = coordinate.x + x + shape.Offset.x + step.x;
var resultY = coordinate.y + y + shape.Offset.y + step.y;
resultX = Mathf.Clamp(resultX, 0, maxX);
resultY = Mathf.Clamp(resultY, 0, maxY);
if (gridManager.GetBlock(new Vector2Int(resultX, resultY)) != null)
{
return(true);
}
}
}
return(false);
}