protected abstract T CalcInternalDivision(KeyFrame <T> key1, KeyFrame <T> key2);
protected override double CalcInternalDivision(KeyFrame <double> key1, KeyFrame <double> key2)
{
return((key2.Time.Frame * key1.Value + key1.Time.Frame * key2.Value) / (key1.Time.Frame + key2.Time.Frame));
}
protected T GetCurrentValue()
{
if (CurrentTime == null)
{
return(default(T));
}
if (KeyFrames.Count == 0)
{
return(default(T));
}
if (KeyFrames.Count == 1)
{
return(KeyFrames[0].Value);
}
KeyFrame <T> f1 = null, f2 = null;
foreach (KeyFrame <T> key in KeyFrames)
{
if (key.Time.Frame <= CurrentTime.Frame)
{
if (f1 == null)
{
f1 = key;
}
else if (f1.Time.Frame < key.Time.Frame)
{
f1 = key;
}
}
else
{
if (f2 == null)
{
f2 = key;
}
else if (f2.Time.Frame > key.Time.Frame)
{
f2 = key;
}
}
}
if (f1 == null && f2 != null)
{
return(f2.Value);
}
if (f2 == null && f1 != null)
{
return(f1.Value);
}
if (f1 != null && f2 != null)
{
return(CalcInternalDivision(f1, f2));
}
return(default(T));
}