// Change color on block
public void changeColor(Tetromino block)
{
Vector2 blockPos = new Vector2((int)block.transform.position.x, (int)block.transform.position.y - 1);
if (CheckIfInsideGrid(blockPos))
{
if (grid [(int)blockPos.x, (int)blockPos.y] != null)
{
if (!(block.CompareTag(grid [(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag)))
{
if (block.tag == "BlueBlock" && grid [(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "RedBlock" ||
block.tag == "RedBlock" && grid [(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "BlueBlock")
{
block.colorOfNextSpawn = BlockColor.PURPLE;
DeleteBlockAt((int)block.transform.position.x, (int)block.transform.position.y);
}
else if (block.tag == "RedBlock" && grid[(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "GreenBlock" ||
block.tag == "GreenBlock" && grid[(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "RedBlock")
{
block.colorOfNextSpawn = BlockColor.YELLOW;
DeleteBlockAt((int)block.transform.position.x, (int)block.transform.position.y);
}
else if (block.tag == "GreenBlock" && grid[(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "BlueBlock" ||
block.tag == "BlueBlock" && grid[(int)block.transform.position.x, (int)block.transform.position.y - 1].parent.tag == "GreenBlock")
{
block.colorOfNextSpawn = BlockColor.CYAN;
DeleteBlockAt((int)block.transform.position.x, (int)block.transform.position.y);
}
}
}
}
}
// Check neighbours if same color put in consecutiveBlocks and blocksToCheck
void CheckNeighbours(Tetromino block, int x, int y)
{
Tetromino neighbour;
Vector2 blockPos = new Vector2((int)x, (int)y);
if (CheckIfInsideGrid(blockPos))
{
if (grid [(int)blockPos.x, (int)blockPos.y] != null) // check if position is not empty
{
neighbour = grid [(int)blockPos.x, (int)blockPos.y].parent.gameObject.GetComponent <Tetromino> ();
if (block.CompareTag(grid [(int)blockPos.x, (int)blockPos.y].parent.tag)) // check if the type (color) is the same
{
if (!consecutiveBlocks.Contains(neighbour)) // check if already in the list
{
blocksToCheck.Enqueue(neighbour);
consecutiveBlocks.Push(neighbour);
}
}
}
}
}
