private void SetRowInfo()
{
if (_textContent.Contains("2"))
{
return;
}
var bulletTextInfo = new BulletTextInfo()
{
SendTime = Time.realtimeSinceStartup,
TextWidth = _textWidth
};
var rowRoot = _displayer.GetRowRoot(bulletTextInfo);
transform.SetParent(rowRoot, false);
transform.localScale = Vector3.one;
}
public Transform GetRowRoot(BulletTextInfo newTextInfo)
{
const int notFoundRowIndex = -1;
int searchedRowIndex = notFoundRowIndex;
newTextInfo.SendTime = Time.realtimeSinceStartup;
for (int rowIndex = 0; rowIndex < _currBulletTextInfoList.Length; rowIndex++)
{
var textInfo = _currBulletTextInfoList[rowIndex];
//如果此行没有弹幕，直接创建新的
if (textInfo == null)
{
searchedRowIndex = rowIndex;
break;
}
float l1 = textInfo.TextWidth;
float l2 = newTextInfo.TextWidth;
float sentDeltaTime = newTextInfo.SendTime - textInfo.SendTime;
var aheadTime = GetAheadTime(l1, 20);
if (sentDeltaTime >= aheadTime)
{//fit and add.
searchedRowIndex = rowIndex;
break;
}
//go on searching in next row.
}
if (searchedRowIndex == notFoundRowIndex)
{//no fit but random one row.
int repairRowIndex = Random.Range(0, _currBulletTextInfoList.Length);
searchedRowIndex = repairRowIndex;
}
_currBulletTextInfoList[searchedRowIndex] = newTextInfo;
Transform root = _info.ScreenRoot.transform.Find(string.Format("row_{0}", searchedRowIndex));
return(root);
}
