public override void OnMouseMove(ICanvas canvas, UnitPoint unitPoint)
{
if (this.arcCurrentPointType == ArcCurrentPointType.Center)
{
this.Center = unitPoint;
return;
}
if (this.arcCurrentPointType == ArcCurrentPointType.StartPoint)
{
this.StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(this.Center, unitPoint, 0));
this.AngleSweep = 360;
if (float.IsNaN(this.InRadiusValue))
{
this.Radius = (float)HitUtil.Distance(this.Center, unitPoint);
this.startPoint = unitPoint;
}
else
{
this.Radius = InRadiusValue;
this.startPoint = new UnitPoint(this.Radius * Math.Cos(HitUtil.DegreesToRadians(StartAngle)) + this.Center.X, this.Radius * Math.Sin(HitUtil.DegreesToRadians(StartAngle)) + this.Center.Y);
}
return;
}
if (this.arcCurrentPointType == ArcCurrentPointType.EndPoint)
{
float endAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(this.Center, unitPoint, 0));
this.AngleSweep = endAngle - this.StartAngle;
this.AngleSweep = this.AngleSweep > 0 ? this.AngleSweep : this.AngleSweep + 360;
this.endPoint = new UnitPoint(this.Radius * Math.Cos(HitUtil.DegreesToRadians(endAngle)) + this.Center.X, this.Radius * Math.Sin(HitUtil.DegreesToRadians(endAngle)) + this.Center.Y);
return;
}
}
/// <summary>
/// 获取图形信息用于显示在面板下方
/// </summary>
/// <returns></returns>
string IDrawObject.GetInfoAsString()
{
return(string.Format("bezierCurve@{0},{1} - L={2:f4}<{3:f4}",
P1.PosAsString(),
P4.PosAsString(),
HitUtil.Distance(P1, P4),
HitUtil.RadiansToDegrees(HitUtil.LineAngleR(P1, P4, 0))));
}
public string GetInfoAsString()
{
return(string.Format("Line@{0},{1} - L={2:f4}<{3:f4}",
P1.PosAsString(),
P2.PosAsString(),
HitUtil.Distance(P1, P2),
HitUtil.RadiansToDegrees(HitUtil.LineAngleR(P1, P2, 0))));
}
public NodePointCircleRadius(Circle3Point owner)
{
m_owner = owner;
m_clone = m_owner.Clone() as Circle3Point;
m_clone.CurrentPoint = m_owner.CurrentPoint;
m_originalValue = m_owner.Radius;
Angle1 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center, m_owner.P1, 0));
Angle2 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center, m_owner.P2, 0));
Angle3 = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_owner.Center, m_owner.P3, 0));
}
/// <summary>
/// 根据圆心，圆上起始点，结束点及圆的时针方向计算圆弧凸度
/// </summary>
/// <param name="center">圆心</param>
/// <param name="startPoint">起始点</param>
/// <param name="endPoint">结束点</param>
/// <param name="clockwise">时针方向</param>
/// <returns></returns>
public static double GetBulgeFromTwoPointsAndCenter(UnitPoint center, UnitPoint startPoint, UnitPoint endPoint, bool clockwise)
{
double startAngle = HitUtil.LineAngleR(center, startPoint, 0);
double endAngle = HitUtil.LineAngleR(center, endPoint, 0);
double sweepAngle = HitUtil.CalAngleSweep(HitUtil.RadiansToDegrees(startAngle), HitUtil.RadiansToDegrees(endAngle), clockwise);
sweepAngle = Math.Abs(HitUtil.DegreesToRadians(sweepAngle) / 4);
double bulge = Math.Tan(sweepAngle);
bulge = clockwise ? -bulge : bulge;
return(bulge);
}
private static double IsCorrectCenter(UnitPoint center, double radius, double bulge, UnitPoint p1, UnitPoint p2)
{
double startAngle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(center, p1, 0));
double endAngle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(center, p2, 0));
bool clockwise = bulge >= 0 ? false : true;
double sweepAngle = HitUtil.CalAngleSweep(startAngle, endAngle, clockwise);
double midAngle = startAngle + sweepAngle / 2;
UnitPoint midPoint = new UnitPoint(radius * Math.Cos(HitUtil.DegreesToRadians(midAngle)) + center.X, radius * Math.Sin(HitUtil.DegreesToRadians(midAngle)) + center.Y);
double temp = BulgeToDegree(bulge);
return(Math.Abs(temp - Math.Abs(sweepAngle)));
}
public static UnitPoint GetBulgeMidPoint(UnitPoint p1, UnitPoint p2, double bulge)
{
bool clockwise = bulge >= 0 ? false : true;
UnitPoint center = GetCenterByBulgeAndTwoPoints(p1, p2, bulge);
float radius = (float)HitUtil.Distance(center, p1);
float startAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(center, p1, 0));
float EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(center, p2, 0));
float sweepAngle = (float)HitUtil.CalAngleSweep(startAngle, EndAngle, clockwise);
float midAngle = startAngle + sweepAngle / 2;
UnitPoint midPoint = new UnitPoint(radius * Math.Cos(HitUtil.DegreesToRadians(midAngle)) + center.X, radius * Math.Sin(HitUtil.DegreesToRadians(midAngle)) + center.Y);
return(midPoint);
}
public virtual void OnMouseMove(ICanvas canvas, UnitPoint point)
{
m_lastPoint = point;
if (m_curPoint == eCurrentPoint.p1)
{
m_p1 = point;
Center = point;
return;
}
if (m_curPoint == eCurrentPoint.p2)
{
StartAngle = 0;
EndAngle = 360;
Center = HitUtil.LineMidpoint(m_p1, point);
m_radius = (float)HitUtil.Distance(m_center, point);
return;
}
if (m_curPoint == eCurrentPoint.center)
{
Center = point;
}
if (m_curPoint == eCurrentPoint.radius)
{
//StartAngle = 0;
//EndAngle = 360;
m_radius = (float)HitUtil.Distance(m_center, point);
}
double angleToRound = 0;
if (Control.ModifierKeys == Keys.Control)
{
angleToRound = HitUtil.DegressToRadians(45);
}
if (m_curPoint == eCurrentPoint.startAngle)
{
StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, point, angleToRound));
}
if (m_curPoint == eCurrentPoint.endAngle)
{
EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, point, angleToRound));
}
}
/// <summary>
/// 根据三个点来更新圆弧
/// </summary>
public void UpdateArcFrom3Points()
{
//Console.WriteLine("UpdateArcFrom3Points()");
m_center = HitUtil.CenterPointFrom3Points(m_p1, m_p2, m_p3);
m_radius = (float)HitUtil.Distance(m_center, m_p1);
StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p1, 0));
EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p3, 0));
// find angle from P1 on line P1|P3 to P2. If this angle is 0-180 the direction is CCW else it is CW
double p1p3angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p3, 0));
double p1p2angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p2, 0));
double diff = p1p3angle - p1p2angle;
//我知道这个逻辑存在问题，在某些情况下，圆弧的绘制不跟随鼠标，
//但是现在也会奏效。
Direction = eDirection.kCCW;
if (diff < 0 || diff > 180)
{
Direction = eDirection.kCW;
}
if (p1p3angle == 0)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
else
{
Direction = eDirection.kCW;
}
}
if (p1p3angle == 90)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
}
}
public void UpdateArcFrom3Points()
{
m_center = HitUtil.CenterPointFrom3Points(m_p1, m_p2, m_p3);
m_radius = (float)HitUtil.Distance(m_center, m_p1);
StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p1, 0));
EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p3, 0));
// find angle from P1 on line P1|P3 to P2. If this angle is 0-180 the direction is CCW else it is CW
double p1p3angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p3, 0));
double p1p2angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p2, 0));
double diff = p1p3angle - p1p2angle;
// I know there is a problem with this logic, in some cases the arc does not follow the mouse,
// but it will work for now.
Direction = eDirection.kCCW;
if (diff < 0 || diff > 180)
{
Direction = eDirection.kCW;
}
if (p1p3angle == 0)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
else
{
Direction = eDirection.kCW;
}
}
if (p1p3angle == 90)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
}
}
public void UpdateArcFrom3Points()
{
try
{
m_center = HitUtil.CenterPointFrom3Points(m_p1, m_p2, m_p3);
m_radius = (float)HitUtil.Distance(m_center, m_p1);
StartAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p1, 0));
EndAngle = (float)HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_center, m_p3, 0));
double p1p3angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p3, 0));
double p1p2angle = HitUtil.RadiansToDegrees(HitUtil.LineAngleR(m_p1, m_p2, 0));
double diff = p1p3angle - p1p2angle;
Direction = eDirection.kCCW;
if (diff < 0 || diff > 180)
{
Direction = eDirection.kCW;
}
if (p1p3angle == 0)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
else
{
Direction = eDirection.kCW;
}
}
if (p1p3angle == 90)
{
if (diff < -180)
{
Direction = eDirection.kCCW;
}
}
}
catch (Exception ex)
{ throw ex; }
}
public void DoArcFlyingCut(List <IDrawObject> drawObjects, List <IDrawObject> flyArcGroups = null, List <IDrawObject> drawObjectsnew = null, List <IDrawObject> drawObjectsold = null)
{
List <IDrawObject> NewDrawobjects = new List <IDrawObject>();
if (flyArcGroups != null)
{
Circle circle = null;
Circle newCircle = null;
foreach (var idraw in flyArcGroups)
{
//按零件飞起，可能有图形不是圆
if (!(idraw is Circle))
{
NewDrawobjects.Add(idraw.Clone());
continue;
}
circle = idraw as Circle;
//因超过设定距离，该group只有一个圆
if (circle.GroupParam.GroupSN[1] == 0)
{
NewDrawobjects.Add(circle.Clone());
((Circle)NewDrawobjects[NewDrawobjects.Count - 1]).IsFlyingCut = false;
continue;
}
// 起点修改 StartAngle
float StartAngle = (float)HitUtil.RadiansToDegrees(
HitUtil.LineAngleR(circle.Center, circle.StartMovePoint, 0));
newCircle = new Circle()
{
Center = circle.Center,
Radius = circle.Radius,
StartAngle = StartAngle,
StartMovePoint = circle.StartMovePoint,
EndMovePoint = circle.StartMovePoint,
IsFlyingCut = true,
FlyingCutLeadOut = circle.FlyingCutLeadOut,
GroupParam = circle.GroupParam
};
newCircle.LeadIn.Position = StartAngle / 360.0f;
newCircle.LeadOut.Position = StartAngle / 360.0f;
NewDrawobjects.Add(newCircle);
}
if (NewDrawobjects.Count == 0)
{
return;
}
}
if (drawObjectsnew == null)
{
if (NewDrawobjects == null || NewDrawobjects.Count <= 0)//重做
{
NewDrawobjects = drawObjects.ToList();
this.DrawingLayer.DeleteObjects(drawObjectsold);
}
else
{
int newCount = NewDrawobjects.Count;
int groupCount = NewDrawobjects.Max(o => o.GroupParam.GroupSN.Count > 1 ? o.GroupParam.GroupSN[1]: 0);
int minSelectedSn = drawObjects.Min(idraw => idraw.GroupParam.FigureSN);
//未被选中或者圆以外的图形，大于飞切的最小FigureSN的 加入到变化图形集合(方便做撤销和恢复)
int noChange = 0;
this.DrawingLayer.Objects.ForEach(idraw =>
{
if (!drawObjects.Contains(idraw) && idraw.GroupParam.FigureSN > minSelectedSn && !flyArcGroups.Contains(idraw))
{
drawObjects.Insert(noChange, idraw);
NewDrawobjects.Insert(noChange, idraw.Clone());
noChange++;
}
});
this.DrawingLayer.DeleteObjects(drawObjects);
int sn = this.DrawingLayer.Objects.Count;
int idx = 0;
NewDrawobjects.ForEach(r =>
{
r.GroupParam.FigureSN = ++sn;
});
idx = 0;
int baseGroupSN = GlobalModel.TotalGroupCount;
int previousGroupSN = -1;
int currentGroupSN = 0;
NewDrawobjects.ForEach(r =>
{
if (++idx > noChange && r.GroupParam.GroupSN.Count > 1)
{
if (r.GroupParam.GroupSN[1] == 0)
{
r.GroupParam.GroupSN.RemoveAt(1);
}
else
{
currentGroupSN = baseGroupSN + r.GroupParam.GroupSN[1];
r.GroupParam.GroupSN.RemoveAt(1);
r.GroupParam.GroupSN.Insert(1, currentGroupSN);
if (previousGroupSN != currentGroupSN)
{
r.GroupParam.GroupSN[0] = r.GroupParam.FigureSN;
}
previousGroupSN = currentGroupSN;
}
}
});
GlobalModel.TotalGroupCount = GlobalModel.TotalGroupCount + groupCount;
}
GlobalModel.TotalDrawObjectCount = GlobalModel.TotalDrawObjectCount + NewDrawobjects.Count;
this.DrawingLayer.AddObjectOnDrawing(NewDrawobjects);
if (this.undoRedoBuffer.CanCapture)
{
Circle circle = null;
foreach (var item in drawObjects)
{
circle = item as Circle;
if (circle != null)
{
circle.FlyingCutLeadOut = null;
}
}
drawObjects = drawObjects.OrderBy(c => c.GroupParam.FigureSN).ToList();
this.undoRedoBuffer.AddCommand(new EditCommandArcFlyingCut(drawObjects, NewDrawobjects));
}
this.UpdateSN();
}
else
{
((DrawingLayer)this.DrawingLayer).DeleteObjects(drawObjectsnew);
foreach (var item in drawObjects)
{
this.DrawingLayer.AddObjectOnRedoUndo(item);
}
}
}