public static CurveHandle GetCurve(IINode _node, int[] _frames, int _f, int _samplingRate)
{
CurveHandle result = new CurveHandle(Vector2.Zero, Vector2.Zero);
IIGameNode _GNode = maxGlobal.IGameInterface.GetIGameNode(_node);
int _ticks_per_frame = maxGlobal.TicksPerFrame;
float delta = 0.0f;
if (_f > 0)
{
List <Vector3> _samples = new List <Vector3>();
int nb_of_frames = _frames[_f] - _frames[_f - 1];
for (int i = _frames[_f - 1]; i <= _frames[_f]; i += _samplingRate)
{
float proportion = 1.0f - ((_frames[_f] - i) / (float)(nb_of_frames));
IGMatrix _node_LGmatrix = _GNode.GetLocalTM(i * _ticks_per_frame);
DualQuaternion _node_LDQ = _node_LGmatrix.convertToDQ(Transformation.Rotation);
_samples.Add(new Vector3(proportion, Math.Abs(_node_LDQ.RollPitchYaw.X) + Math.Abs(_node_LDQ.RollPitchYaw.Y) + Math.Abs(_node_LDQ.RollPitchYaw.Z), 0));
}
List <BezierCurveFitting.BezierPoint> points = BezierCurveFitting.FitCurves.FitCurveBy(BezierCurveFitting.Method.Length, _samples.ToArray(), 0.01f, 2);
delta = points[1].point.Y - points[0].point.Y;
float val = points[1].foreHandle.Value.X;
if (delta != 0)
{
val = (points[1].point.Y - points[1].foreHandle.Value.Y) / delta;
}
result.easeIn = new Vector2(points[1].foreHandle.Value.X, val);
}
else if (_f == 0)
{
result.easeIn = new Vector2(0.0f, 0.0f);
}
if (_f < _frames.Length - 1)
{
List <Vector3> _samples = new List <Vector3>();
int nb_of_frames = _frames[_f + 1] - _frames[_f];
for (int i = _frames[_f]; i <= _frames[_f + 1]; i += _samplingRate)
{
float proportion = 1.0f - ((_frames[_f + 1] - i) / (float)(nb_of_frames));
IGMatrix _node_LGmatrix = _GNode.GetLocalTM(i * _ticks_per_frame);
DualQuaternion _node_LDQ = _node_LGmatrix.convertToDQ(Transformation.Rotation);
_samples.Add(new Vector3(proportion, Math.Abs(_node_LDQ.RollPitchYaw.X) + Math.Abs(_node_LDQ.RollPitchYaw.Y) + Math.Abs(_node_LDQ.RollPitchYaw.Z), 0));
}
List <BezierCurveFitting.BezierPoint> points = BezierCurveFitting.FitCurves.FitCurveBy(BezierCurveFitting.Method.Length, _samples.ToArray(), 0.01f, 2);
delta = points[1].point.Y - points[0].point.Y;
float val = points[0].afterHandle.Value.X;
if (delta != 0)
{
val = (points[1].point.Y - points[0].afterHandle.Value.Y) / delta;
}
result.easeOut = new Vector2(points[0].afterHandle.Value.X, val);
}
else if (_f == _frames.Length - 1)
{
result.easeOut = new Vector2(1f, 1f);
}
return(result);
}
public static void BuildLJoint(IINode _node, int _parentId, Pose _pose, int[] _frames, int _f, int _samplingRate, Pose _bindPose)
{
DualQuaternion LDQ = GetBoneLocalDQ(_node, _frames, _f);
CurveHandle curve = GetCurve(_node, _frames, _f, _samplingRate);
Joint _joint = new Joint(_pose.joints.Count, _node.Name, _parentId, DualQuaternion.Identity, LDQ, curve);
_pose.joints.Add(_joint);
int childrensNb = _node.NumberOfChildren;
for (int i = 0; i < childrensNb; i++)
{
if (!_node.GetChildNode(i).Name.EndsWith("Nub"))
{
BuildLJoint(_node.GetChildNode(i), _joint.id, _pose, _frames, _f, _samplingRate, _bindPose);
}
}
}
