public PatchSkeletonJoint GetNearestJoint(PointF point, float threshold, Matrix transform)
{
PatchSkeletonJoint nearest = null;
float minSqDist = threshold * threshold;
foreach (var joint in joints)
{
PointF[] jointPt = new[] { joint.position };
transform.TransformPoints(jointPt);
float dx = point.X - jointPt[0].X;
float dy = point.Y - jointPt[0].Y;
float sqDist = dx * dx + dy * dy;
if (minSqDist > sqDist)
{
nearest = joint;
minSqDist = sqDist;
}
}
return(nearest);
}
// 超簡易的なFK
// 子ノードを親ノードと同じだけ平行移動させる
public static void MoveJoint(PatchSkeleton skl, PatchSkeletonJoint joint, PointF to)
{
if (skl == null)
{
return;
}
if (joint == null)
{
return;
}
float dx = to.X - joint.position.X;
float dy = to.Y - joint.position.Y;
joint.position = to;
HashSet <PatchSkeletonJoint> haschecked = new HashSet <PatchSkeletonJoint>();
haschecked.Add(joint);
MoveJoint(skl, skl.bones.Where(b => b.src == joint).Select(b => b.dst).ToList(), dx, dy, haschecked);
}
public static PatchSkeleton Load(string filepath, Bitmap refSkeletonBmp)
{
if (!File.Exists(filepath))
{
return(null);
}
filepath = Path.GetFullPath(filepath);
var an = new PatchSkeleton();
an.joints = File.ReadAllLines(filepath)
.Where(line => !string.IsNullOrWhiteSpace(line) && line.Contains(':'))
.Select(line =>
{
var tokens = line.Split(':');
if (tokens.Length != 2)
{
return(null);
}
var xys = tokens[1].Split(',');
if (xys.Length != 2)
{
return(null);
}
float x, y;
if (!float.TryParse(xys[0], out x) || !float.TryParse(xys[1], out y))
{
return(null);
}
return(new PatchSkeletonJoint(tokens[0], new PointF(x, y)));
})
.Where(j => j != null)
.ToList();
an.bones = File.ReadAllLines(filepath)
.Where(line => !string.IsNullOrWhiteSpace(line) && line.Contains('>'))
.Select(line =>
{
var tokens = line.Split('>');
if (tokens.Length != 2)
{
return(null);
}
PatchSkeletonJoint src = null, dst = null;
foreach (var j in an.joints)
{
if (j.name == tokens[0])
{
src = j;
}
if (j.name == tokens[1])
{
dst = j;
}
}
if (src == null || dst == null)
{
return(null);
}
return(new PatchSkeletonBone(src, dst));
})
.Where(b => b != null)
.ToList();
return(an);
}
public PatchSkeletonBone(PatchSkeletonJoint src, PatchSkeletonJoint dst)
{
this.src = src;
this.dst = dst;
}