public Vector3 CalcInterpolatedVertexPosition(Md5Vertex v, Md5Anim a, float frame)
{
int frame1 = (int)frame;
int frame2 = (int)(frame + 1);
float alpha = frame - (float)frame1;
return(CalcVertexPosition(v, a, frame1) * (1 - alpha) + CalcVertexPosition(v, a, frame2) * alpha);
}
public Vector3 CalcVertexPosition(Md5Vertex v, Md5Joint[] joints)
{
Vector3 pos = Vector3.Zero;
for (int i = v.WeightIndex; i < v.WeightIndex + v.WeightCount; ++i)
{
Md5Weight w = Weights[i];
Md5Joint j = joints[w.JointIndex];
pos += w.Value * Transform(w.Position, j);
}
return(pos);
}
public Vector3 CalcVertexPosition(Md5Vertex v, Md5Anim a, int frame)
{
Vector3 pos = Vector3.Zero;
for (int i = v.WeightIndex; i < v.WeightIndex + v.WeightCount; ++i)
{
Md5Weight w = Weights[i];
Md5JointValue j = a.Frames[frame].Values[w.JointIndex];
Matrix4 m = Matrix4Extensions.FromTranslation(j.Position) * Matrix4Extensions.FromQuaternion(j.Orientation);
pos += w.Value * Vector3.Transform(w.Position, m);
}
return(pos);
}
public Vector3 CalcInterpolatedVertexPosition(int index, Md5Anim anim, float frame)
{
Md5Vertex v = Vertices[index];
return(CalcInterpolatedVertexPosition(v, anim, frame));
}
public Vector3 CalcVertexPosition(int index, Md5Anim anim, int frame)
{
Md5Vertex v = Vertices[index];
return(CalcVertexPosition(v, anim, frame));
}
public Vector3 CalcVertexPosition(int index, Md5Joint[] joints)
{
Md5Vertex v = Vertices[index];
return(CalcVertexPosition(v, joints));
}
public Vector3 CalcVertexPosition(Md5Vertex v, Md5Anim a, int frame)
{
Vector3 pos = Vector3.Zero;
for (int i = v.WeightIndex; i < v.WeightIndex + v.WeightCount; ++i)
{
Md5Weight w = Weights[i];
Md5JointValue j = a.Frames[frame].Values[w.JointIndex];
Matrix4 m = Matrix4Extensions.FromTranslation(j.Position) * Matrix4Extensions.FromQuaternion(j.Orientation);
pos += w.Value * Vector3.Transform(w.Position,m);
}
return pos;
}
public Vector3 CalcVertexPosition(Md5Vertex v, Md5Joint[] joints)
{
Vector3 pos=Vector3.Zero;
for (int i = v.WeightIndex; i < v.WeightIndex + v.WeightCount; ++i)
{
Md5Weight w = Weights[i];
Md5Joint j = joints[w.JointIndex];
pos += w.Value * Transform(w.Position, j);
}
return pos;
}
public Vector3 CalcInterpolatedVertexPosition(Md5Vertex v, Md5Anim a, float frame)
{
int frame1 = (int)frame;
int frame2 = (int)(frame + 1);
float alpha = frame - (float)frame1;
return CalcVertexPosition(v, a, frame1) * (1 - alpha) + CalcVertexPosition(v, a, frame2) * alpha;
}