/// <summary> 设置 WaveData 的 一个WaveDataMask 的 WaveModification </summary>
/// <param name="index"> 要设置的 WaveDataMask </param>
/// <param name="newWaveModification"> 新的 WaveModification </param>
internal void SetWaveModification(
int index,
WaveModification newWaveModification
)
{
waveDataMasks[index].Modification.CopyFrom(newWaveModification);
}
private void CheckUserAnswer()
{
WaveModification ans =
DataController.Instance.GetCurrentLevelData().modification;
WaveModification usr = new WaveModification(); // TODO
if ((usr - ans) / ans < /* theNumber */ 1)
{
/* SendMessage("Win this level.") */;
}
}
/// <summary>
/// 获取波在横坐标为 x 时的函数值
/// </summary>
/// <param name="x"> 求值用到的横坐标 x </param>
/// <returns> 返回横坐标为 x 时波的函数值 </returns>
internal float ReturnValueAt(float x)
{
float y = 0;
// 累加获得 y，每次累加的值为此次循环得到的 WaveAttribute 被蒙版修改后的值
foreach (WaveDataMask mask in waveDataMasks)
{
WaveModification mod = mask.Modification;
foreach (WaveAttribute wa in mask)
{
y += (wa.A * mod.A) *
Mathf.Sin((wa.Omega * mod.Omega) *
(x + wa.Phi + mod.Phi));
}
}
return(y);
}
// 根据屏幕坐标寻找要修改的纸片的 WaveModification 和 WaveController
private bool FindWaveRefByScreenPos(
Vector2 screenPointOne,
Vector2?screenPointTwo = null
)
{
// 将 屏幕坐标 转换到 世界坐标
Vector2 worldPoint = mainCamera.ScreenToWorldPoint(new Vector3(
screenPointOne.x,
screenPointOne.y
));
// 如果坐标落在某个 可修改纸片的内部
for (int i = 0; i < 2; ++i)
{
if (inBound(worldPoint, i))
{
// 如果传入了第二个点
if (screenPointTwo != null)
{
// 将 屏幕坐标 转换到 世界坐标
worldPoint = mainCamera.ScreenToWorldPoint(new Vector3(
screenPointOne.x,
screenPointOne.y
));
// 如果第二个点不在第i张纸片上，返回 false，并且不更新引用们
if (!inBound(worldPoint, i))
{
return(false);
}
}
// 记录用户要更改的 WaveModification
waveModification = waveModifications[i];
waveModificationOrigin.CopyFrom(waveModification);
// 记录要应用更改的 WaveData 和 WaveController
waveData = waveDatas[i];
waveController = waveControllers[i];
// 返回 true：已找到
return(true);
}
}
// 否则返回 false：未找到
return(false);
}
/// <summary>
/// 修改 WaveData 的 第index个 WaveDataMask
/// </summary>
/// <param name="index"> 被改 WaveDataMask 的索引 </param>
/// <param name="modification"> 修改量 </param>
internal void ModifyByMask(int index, WaveModification modification)
{
waveDataMasks[index].Modification.StageWith(modification);
}
/// <summary>
/// 拷贝 WaveModification 的构造
/// </summary>
/// <param name="wdm"> 被拷贝的 WaveDataMask </param>
internal WaveDataMask(WaveDataMask wdm)
{
First = wdm.First;
Last = wdm.Last;
Modification = new WaveModification(wdm.Modification);
}
/// <summary> 默认构造函数 </summary>
internal WaveDataMask()
{
Modification = new WaveModification();
}
/// <summary>
/// 拷贝另一个 WaveModification 的内容
/// </summary>
/// <param name="other"> 要拷贝的 WaveModification </param>
internal void CopyFrom(WaveModification other)
{
A = other.A;
Omega = other.Omega;
Phi = other.Phi;
}
/// <summary>
/// 叠加另一个 WaveModification 效果
/// </summary>
/// <param name="other"> 要叠加的 WaveModification </param>
internal void StageWith(WaveModification other)
{
A *= other.A;
Omega *= other.Omega;
Phi += other.Phi;
}
/// <summary> 拷贝构造 </summary>
internal WaveModification(WaveModification other) :
this(other.A, other.Omega, other.Phi)
{
}
