private void changeSprite(GameObject roadType)
{
GameObject tempGO = Instantiate(roadType, this.GetComponent <Transform>());
tempGO.name = "Selected";
SpriteRenderer tempSR = tempGO.GetComponent <SpriteRenderer>();
tempSR.color = new Color(tempSR.color.r, tempSR.color.g, tempSR.color.b, .5f);
currentPlacement.setSelected(tempGO);
ignoreMouseUp = true;
}
