//-------------------------------------------------------------------------
public void freeStillSprite(StillSprite still_sprite)
{
#if UNITY_EDITOR
if (still_sprite != null && still_sprite.GetType().ToString() == "FishStillSprite")
{
EbLog.Error("freeStillSprite::error");
}
#endif
mStillSpritePool.freeStillSprite(still_sprite);
}