/// <summary>
/// Creates the game object for the piece -> loads the texture, creates an sprite, assigns the texture and position the game object in world space over the center cell.
/// </summary>
void CreatePiece()
{
// Creates the piece
Sprite sprite = Resources.Load <Sprite> ("Sprites/piece");
piece = new GameObject("Piece");
SpriteRenderer spriteRenderer = piece.AddComponent <SpriteRenderer> ();
spriteRenderer.sprite = sprite;
// Parents the piece to the grid and sets scale
piece.transform.SetParent(grid.transform, false);
piece.transform.localScale = Vector3.one * 0.25f;
// Get central cell of checker board
Cell centerCell = grid.CellGetAtPosition(4, 4);
int centerCellIndex = grid.CellGetIndex(centerCell);
grid.MoveTo(piece, centerCellIndex, 0);
}