public int CompareTo(object obj)
{
if (obj is VmdNodeFrame)
{
VmdNodeFrame other = (VmdNodeFrame)obj;
return(index.CompareTo(other.index));
}
else
{
throw new ArgumentException("Object is not a VmdFrame");
}
}
VmdMat[] CreateMatrices(List <VmdNodeFrame> frames)
{
frames.Sort();
VmdMat[] matrices = new VmdMat[frame_length];
for (int i = 1; i < frames.Count; i++)
{
VmdNodeFrame fa = frames[i - 1];
VmdNodeFrame fb = frames[i];
for (int index = fa.index; index < fb.index; index++)
{
float ratio = ((float)(index - fa.index)) / ((float)(fb.index - fa.index));
VmdMat mat = new VmdMat();
mat.rotation = Quaternion.Slerp(fa.rotation, fb.rotation, ratio);
mat.translation.X = Lerp(fa.translation.X, fb.translation.X, ratio);
mat.translation.Y = Lerp(fa.translation.Y, fb.translation.Y, ratio);
mat.translation.Z = Lerp(fa.translation.Z, fb.translation.Z, ratio);
matrices[index] = mat;
}
{
VmdMat mat = new VmdMat();
mat.rotation = fb.rotation;
mat.translation = fb.translation;
matrices[fb.index] = mat;
}
}
{
VmdNodeFrame last_frame = frames[frames.Count - 1];
for (int index = last_frame.index; index < frame_length; index++)
{
VmdMat mat = new VmdMat();
mat.rotation = last_frame.rotation;
mat.translation = last_frame.translation;
matrices[index] = mat;
}
}
return(matrices);
}
