PointF?GetNearestControlPoint(List <PointF> cpts, PointF point, float threshold, CompositionCanvasControl canvas)
{
bool found = false;
PointF nearest = Point.Empty;
float minSqDist = threshold * threshold;
foreach (var cpt in cpts)
{
PointF pt = canvas.PointToClient(new Point((int)cpt.X, (int)cpt.Y));
float dx = point.X - pt.X;
float dy = point.Y - pt.Y;
float sqDist = dx * dx + dy * dy;
if (minSqDist > sqDist)
{
nearest = cpt;
minSqDist = sqDist;
found = true;
}
}
if (found)
{
return(nearest);
}
else
{
return(null);
}
}
JointAnnotation GetNearestJoint(SkeletonAnnotation an, PointF point, float threshold, CompositionCanvasControl canvas)
{
JointAnnotation nearest = null;
float minSqDist = threshold * threshold;
foreach (var joint in an.joints)
{
PointF pt = canvas.PointToClient(new Point((int)joint.position.X, (int)joint.position.Y));
float dx = point.X - pt.X;
float dy = point.Y - pt.Y;
float sqDist = dx * dx + dy * dy;
if (minSqDist > sqDist)
{
nearest = joint;
minSqDist = sqDist;
}
}
return(nearest);
}
public Operation OnMouseMove(MouseButtons button, PointF point, OperationType op, CompositionCanvasControl canvas)
{
if (button == MouseButtons.Right)
{
if (!prevPoint.IsEmpty)
{
Pan(point.X - prevPoint.X, point.Y - prevPoint.Y);
}
prevPoint = point;
// return null;
}
nearestJoint = null;
SegmentMeshInfo transform;
switch (op)
{
case OperationType.Skeleton:
if (editingJoint != null)
{
if (button == MouseButtons.Left)
{
editingJoint.position = canvas.PointToWorld(new Point((int)point.X, (int)point.Y));
}
}
else
{
nearestJoint = GetNearestJoint(an, point, 20, canvas);
}
if (editingJoint == null && nearestJoint == null)
{
if (button == MouseButtons.Left)
{
// 全体を動かす
var src = canvas.PointToWorld(new Point((int)prevPoint.X, (int)prevPoint.Y));
var dst = canvas.PointToWorld(new Point((int)point.X, (int)point.Y));
foreach (var j in an.joints)
{
j.position = new PointF(j.position.X + dst.X - src.X, j.position.Y + dst.Y - src.Y);
}
prevPoint = point;
}
}
// ボーンを動かしたらセグメントも調整
if (button == MouseButtons.Left)
{
if (editingUnit != null)
{
foreach (var seg in editingUnit.segments)
{
Fitting(seg);
UpdateSkeletalControlPoints(seg);
FlushDeformation(seg);
// ConectSegments(seg);
}
}
}
break;
case OperationType.Segment:
if (button == MouseButtons.Left)
{
transform = GetMeshInfo(editingSegment);
if (transform == null)
{
break;
}
var src = canvas.PointToWorld(prevPoint);
var dst = canvas.PointToWorld(point);
transform.Translate(dst.X - src.X, dst.Y - src.Y);
prevPoint = point;
}
break;
case OperationType.ControlPoint:
transform = GetMeshInfo(editingSegment);
if (transform == null || transform.arap == null)
{
break;
}
if (button != MouseButtons.Left)
{
nearestControlPoint = GetNearestControlPoint(transform.arap.controlPoints, point, 20, canvas);
break;
}
nearestControlPoint = null;
if (editingControlPoint != null)
{
var pt = canvas.PointToWorld(point);
transform.arap.TranslateControlPoint(editingControlPoint.Value, pt, true);
editingControlPoint = pt;
}
break;
}
return(null);
}
public Operation OnMouseUp(MouseButtons button, Point point, OperationType op, CompositionCanvasControl canvas)
{
if (button == MouseButtons.Right)
{
if (!prevPoint.IsEmpty)
{
Pan(point.X - prevPoint.X, point.Y - prevPoint.Y);
}
prevPoint = point;
// return null;
}
SegmentMeshInfo transform;
switch (op)
{
case OperationType.Skeleton:
if (editingJoint != null)
{
editingJoint.position = canvas.PointToWorld(new Point((int)point.X, (int)point.Y));
}
editingJoint = null;
if (editingJoint == null && nearestJoint == null)
{
if (button == MouseButtons.Left)
{
prevPoint = point;
}
}
break;
case OperationType.Segment:
if (button == MouseButtons.Left)
{
prevPoint = point;
}
break;
case OperationType.ControlPoint:
if (button != MouseButtons.Left)
{
break;
}
if (FMath.SqDistance(prevPoint, point) <= 1)
{
transform = GetMeshInfo(editingSegment);
if (transform == null || transform.arap == null)
{
break;
}
// 既存の制御点をクリックしたら消す
if (editingControlPoint == null || !editingControlPoint.HasValue)
{
break;
}
transform.arap.RemoveControlPoint(editingControlPoint.Value);
transform.arap.EndDeformation();
transform.arap.BeginDeformation();
}
editingControlPoint = null;
break;
}
return(null);
}
// CompositionCanvasControlを引数に持つのはMVCに反する・・・
// でも、画面上のオブジェクトとの当たり判定に必要
public Operation OnMouseDown(MouseButtons button, PointF point, OperationType op, CompositionCanvasControl canvas)
{
if (button == MouseButtons.Right)
{
prevPoint = point;
// return null;
}
editingJoint = null;
// editingSegment = null;
// editingControlPoint = null;
switch (op)
{
case OperationType.Skeleton:
if (canvas == null || canvas.IsDisposed)
{
break;
}
editingJoint = GetNearestJoint(an, point, 20, canvas);
if (editingJoint == null && nearestJoint == null)
{
if (button == MouseButtons.Left)
{
prevPoint = point;
}
}
break;
case OperationType.Segment:
if (editingUnit == null)
{
break;
}
editingSegment = GetSegment(editingUnit.segments, editingUnit.transformDict, canvas.PointToWorld(point));
if (button == MouseButtons.Left)
{
prevPoint = point;
}
break;
case OperationType.ControlPoint:
if (button != MouseButtons.Left)
{
break;
}
editingControlPoint = null;
var transform = GetMeshInfo(editingSegment);
if (transform == null || transform.arap == null)
{
break;
}
var nearest = GetNearestControlPoint(transform.arap.controlPoints, point, 20, canvas);
if (nearest == null)
{
var pt = canvas.PointToWorld(point);
transform.arap.AddControlPoint(pt, transform.Invert(pt));
transform.arap.EndDeformation();
transform.arap.BeginDeformation();
}
else
{
editingControlPoint = nearest;
prevPoint = point;
}
break;
}
return(null);
}
