public void DoUpdate(SpriteCache sc)
{
var valid = SpriteCache.IsValid(sc);
if (valid)
{
this.SetSprite(this.target, sc);
if (null != this.followers)
{
for (int n = 0, cnt = this.followers.Length; n < cnt; ++n)
{
this.SetSprite(this.followers[n], sc);
}
}
}
if (this.autoVisible)
{
this.SetAutoVisible(this.target, valid);
if (null != this.followers)
{
for (int n = 0, cnt = this.followers.Length; n < cnt; ++n)
{
this.SetAutoVisible(this.followers[n], valid);
}
}
}
this.prevSpriteCache = sc;
}