public void Get(out Vector2 value, float time)
{
int index = AfterEffectsUtil.FindLargestLessEqual(_times, time);
if (index < 0)
{
value = _values[0];
}
else if (index >= (_times.Length - 1))
{
value = _values[_times.Length - 1];
}
else // 補間するよ
{
float t0 = (float)(_times[index]);
float t1 = (float)(_times[index + 1]);
float v0x = _values[index].x;
float v1x = _values[index + 1].x;
float v0y = _values[index].y;
float v1y = _values[index + 1].y;
float t = (time - t0) / (t1 - t0); //[0, 1]
value.x = ((v1x - v0x) * t) + v0x;
value.y = ((v1y - v0y) * t) + v0y;
}
}
private IEnumerable <T> EnumerateFiredNotLooped(float prevTime, float currentTime)
{
Debug.Assert(initialized);
// 全く進んでいなければ発火させない
if (currentTime - prevTime <= 0f)
{
yield break;
}
// 始点を取得
int index = AfterEffectsUtil.FindSmallestGreaterEqual(_times, prevTime);
if (index < 0) // まだ発火せず
{
yield break;
}
else if (index >= _times.Length) // すでに発火しきっている
{
yield break;
}
else
{
while ((index < _times.Length) && (_times[index] < currentTime)) // 範囲内で、キー時刻を過ぎていれば発火させる
{
yield return(_values[index]);
index++;
}
}
}
public bool Get(float time)
{
int index = AfterEffectsUtil.FindLargestLessEqual(_times, time);
bool ret;
if (index < 0)
{
ret = _values[0];
}
else
{
ret = _values[index];
}
return(ret);
}
public float Get(float time)
{
int index = AfterEffectsUtil.FindLargestLessEqual(_times, time);
float ret;
if (index < 0)
{
ret = _values[0];
}
else if (index >= (_times.Length - 1))
{
ret = _values[_times.Length - 1];
}
else // 補間するよ
{
float t0 = (float)(_times[index]);
float t1 = (float)(_times[index + 1]);
float v0 = _values[index];
float v1 = _values[index + 1];
float t = (time - t0) / (t1 - t0); //[0, 1]
ret = ((v1 - v0) * t) + v0;
}
return(ret);
}
public bool GetLooped(float time)
{
time = AfterEffectsUtil.Fmod(time, (float)_times[_times.Length - 1]);
return(Get(time));
}
public void GetLooped(out Vector2 value, float time)
{
time = AfterEffectsUtil.Fmod(time, (float)_times[_times.Length - 1]);
Get(out value, time);
}