/// <summary>
/// 画面更新时调用一次，主线程
/// 暂停时也会持续调用，谱面尚未加载时也会持续调用，下同
/// 画面更新 是指 Unity显示层（以玩家眼中的游戏画面为准）更新，距离上次调用的时间为 UnityEngine.Time.deltaTime
/// 当前歌曲播放的进度（秒）为 TentacleGuitarUnity.Stage.Time，暂停时持续刷新同一个秒数
/// 请适当 cache 节约性能
/// </summary>
public static void StageLateUpdate()
{
if (Stage.GamePlaying && StageMusic.Main.IsReady && StageMusic.Main.IsPlaying && CurrentNoteNum > 0)
{
float time = StageMusic.Main.Time;
for (; CurrentLoadedIndex < Notes.Count; CurrentLoadedIndex++)
{
float noteTime = Notes[CurrentLoadedIndex].Time;
if (noteTime > time + CurrentShowNoteTime)
{
break;
}
else
{
Stage.AddNote(Notes[CurrentLoadedIndex]);
}
}
int minX = 23;
int maxX = 0;
bool[] stringLighted = new bool[6];
for (int i = 0; i < Stage.NotePool.Count; i++)
{
Note n = Stage.NotePool[i].GetComponent <Note>();
if (n)
{
minX = Mathf.Min(minX, n.X);
maxX = Mathf.Max(maxX, n.X);
stringLighted[n.Y] = true;
}
}
if (Stage.NotePool.Count > 0)
{
Stage.MoveCamera((int)(0.5f * (minX + maxX)));
for (int i = 0; i < 24; i++)
{
Stage.SetTrackHightLight(i, i >= minX && i <= maxX);
Stage.SetFretWireLight(i, i >= minX && i - 1 <= maxX);
}
for (int i = 0; i < 6; i++)
{
Stage.SetStringLight(i, stringLighted[i]);
}
}
}
}