private void RefreshSlots(SkillSlot slot)
{
var slotIdx = slot.ToIndex();
for (int i = 0; i != SPRPG.Const.SkillSlotSize; ++i)
_slots[i].gameObject.SetActive(i == slotIdx);
}
private void RefreshCurrentSlot(SkillSlot slot, float timing)
{
var slotImage = _slots[slot.ToIndex()];
slotImage.SetAlpha(timing);
}