{ //utils
public static Vector2f GetHeadPosition(this CentroidLine line)
{
//after create bone process
List <Bone> bones = line.bones;
if (bones.Count == 0)
{
return(Vector2f.Zero);
}
else
{
//TODO: review here
//use jointA of bone of join B of bone
return(bones[0].JointA.OriginalJointPos);
}
}
public bool FindBoneJoint(AnalyzedTriangle tri,
out CentroidLine foundOnBranch,
out Joint foundOnJoint)
{
foreach (CentroidLine line in _lines.Values)
{
if ((foundOnJoint = line.FindNearestJoint(tri)) != null)
{
foundOnBranch = line;
return(true);
}
}
foundOnBranch = null;
foundOnJoint = null;
return(false);
}
/// <summary>
/// set current centroid line to a centroid line that starts with triangle of centroid-line-head
/// </summary>
/// <param name="triOfCentroidLineHead"></param>
public void SetCurrentCentroidLine(AnalyzedTriangle triOfCentroidLineHead)
{
//this method is used during centroid line hub creation
if (_currentBranchTri != triOfCentroidLineHead)
{
//check if we have already create it
if (!_lines.TryGetValue(triOfCentroidLineHead, out _currentLine))
{
//if not found then create new
_currentLine = new CentroidLine();
#if DEBUG
_currentLine.dbugStartTri = triOfCentroidLineHead;
#endif
_lines.Add(triOfCentroidLineHead, _currentLine);
}
_currentBranchTri = triOfCentroidLineHead;
}
}
public void CollectBoneGroups(CentroidLine line)
{
//
_tmpBoneGroups.Clear();
line.ApplyGridBox(_tmpBoneGroups, _gridBoxW, _gridBoxH);
//
for (int i = _tmpBoneGroups.Count - 1; i >= 0; --i)
{
//this version, we focus on horizontal bone group
BoneGroup boneGroup = _tmpBoneGroups[i];
switch (boneGroup.slopeKind)
{
case LineSlopeKind.Horizontal:
_selectedHorizontalBoneGroups.Add(boneGroup);
break;
case LineSlopeKind.Vertical:
_selectedVerticalBoneGroups.Add(boneGroup);
break;
}
}
_tmpBoneGroups.Clear();
}
public void SetHeadConnnection(CentroidLine anotherCentroidLine, Joint foundOnJoint)
{
_anotherCentroidLine = anotherCentroidLine;
_foundOnJoint = foundOnJoint;
}
public BoneGroup(CentroidLine ownerCentroidLine)
{
_ownerCentroidLine = ownerCentroidLine;
}