public void UpdateBoneTransformations(Track[] tracks)
{
for (int i = 0; i < this.vertexTransformations.Length && i < this.bones.Length; i++ )
{
Matrix4 blended = new Matrix4();
float sumWeights = 0;
if (tracks != null)
{
for (int j = 0; j < tracks.Length; j++)
{
Matrix4 trackMatrix = this.bones[i].GetAnimationMatrix(tracks[j].Time);
float trackWeight = tracks[j].Weight;
blended.Row0 += trackMatrix.Row0 * trackWeight;
blended.Row1 += trackMatrix.Row1 * trackWeight;
blended.Row2 += trackMatrix.Row2 * trackWeight;
blended.Row3 += trackMatrix.Row3 * trackWeight;
sumWeights += trackWeight;
}
blended.Row0 /= sumWeights;
blended.Row1 /= sumWeights;
blended.Row2 /= sumWeights;
blended.Row3 /= sumWeights;
}
this.vertexTransformations[i] = Matrix4.Invert(this.bones[i].globalTransformationMatrix) * blended;
}
Matrix4Helper.ToOpenGL(vertexTransformations, ref vertexTransformationsBuffer);
shader.SetMatrix4(vertexTransformationsUniformName, vertexTransformationsBuffer);
}
public Track AddTrack(string sampleName)
{
Track track = FindSample(sampleName);
if (track != null) return track;
track = new Track(Sample.FindSample(this.samples, sampleName));
List<Track> tracks = new List<Track>(this.tracks);
tracks.Add(track);
this.tracks = tracks.ToArray();
return track;
}