public void InitializeProperties(string newShape, string newColor, int colNum, int rowNum)
{
shape = newShape;
color = newColor;
SpriteRenderer sr = GetComponent <SpriteRenderer> ();
sr.sprite = shapeManager.GetSpriteByName(newShape);
sr.color = shapeManager.GetColorByName(newColor);
col = colNum;
row = rowNum;
}