public static CellModel FindFarthestPosition(this GridModel grid, CellModel cell, Vector vector, out CellModel next)
{
CellModel previous;
// Progress towards the vector direction until an obstacle is found
do
{
previous = cell;
cell = grid[previous.PosX + vector.x, previous.PosY + vector.y];
}
while (cell != null && cell.IsAvailable);
next = cell; // Used to check if a merge is required
return previous;
}