/// <summary>
/// Should be called everytime LevelInventory changes. Updates the Sprite slots.
/// </summary>
private void OnInventoryChange()
{
for (int i = 0; i < spriteSlots.Length; i++)
{
spriteSlots [i].sprite = Powerup.GetSprite(pwrInventory [i]);
// Set sprite alpha to zero or white block will be shown if sprite is null
if (spriteSlots [i].sprite == null)
{
spriteSlots [i].color = new Color(1, 1, 1, 0);
}
else
{
spriteSlots [i].color = new Color(1, 1, 1, 1);
}
}
}