private static List <BridgePoints> GetBridgeByMultiSegLine(MultiSegmentLineBase multiSegLine, UnitPoint p1, UnitPoint p2, BridgingModel param)
{
List <BridgePoints> retPoints = new List <BridgePoints>();
var line = DrawingOperationHelper.GetLineEquation(p1, p2);
double width = param.Width / 2;
var oriPoints = multiSegLine.Points;
for (int index = 0; index < oriPoints.Count; index++)
{
int next = (index + 1 == oriPoints.Count) ? 0 : index + 1;
UnitPointBulge point1 = oriPoints[index];
UnitPointBulge point2 = oriPoints[next];
if (!multiSegLine.IsCloseFigure && index == oriPoints.Count - 1)
{
break;
}
if (!double.IsNaN(point1.Bulge))
{
//圆弧
ArcModelMini arcMini = DrawingOperationHelper.GetArcParametersFromBulge(point1.Point, point2.Point, (float)point1.Bulge);
arcMini.StartAngle = (float)HitUtil.RadiansToDegrees(arcMini.StartAngle);
arcMini.EndAngle = (float)HitUtil.RadiansToDegrees(arcMini.EndAngle);
List <UnitPoint> points = DrawingOperationHelper.GetIntersectPointByLineAndCircle(line.Item1, line.Item2, line.Item3, arcMini.Center, arcMini.Radius);
var hasPoints = points?.Where(p => !p.IsEmpty && HitUtil.IsPointOnArc(p, 0.000001f, arcMini) && HitUtil.IsPointInLine(p1, p2, p, 0.000001f)).ToList();
if (hasPoints != null && hasPoints.Count > 0)
{
arcMini.StartAngle = (float)HitUtil.DegreesToRadians(arcMini.StartAngle);
arcMini.EndAngle = (float)HitUtil.DegreesToRadians(arcMini.EndAngle);
//根据宽度求点
double arcLength = DrawingOperationHelper.GetArcLength(arcMini.Radius, arcMini.SweepAngle);
hasPoints?.ForEach(p =>
{
double percent = DrawingOperationHelper.GetPercentInArcByPoint(arcMini, p);
//第一个位置点
double length1 = arcLength * (1 - percent) + width;
UnitPointBulge retP1 = GetEndPointByLength(oriPoints, index, length1, false);
//第二个位置点
double length2 = arcLength * percent + width;
UnitPointBulge retP2 = GetEndPointByLength(oriPoints, index, length2, true);
var bridge = new BridgePoints(multiSegLine, retP1, retP2, HitUtil.Distance(p1, p));
retPoints.Add(bridge);
});
}
}
else
{
//直线
var lineABC = DrawingOperationHelper.GetLineEquation(point1.Point, point2.Point);
UnitPoint point = DrawingOperationHelper.GetIntersectionPointBy2Line(line.Item1, line.Item2, line.Item3, lineABC.Item1, lineABC.Item2, lineABC.Item3);
if (!point.IsEmpty && HitUtil.IsPointInLine(point1.Point, point2.Point, point, 0.000001f) && HitUtil.IsPointInLine(p1, p2, point, 0.000001f))
{
//第一个位置点
double lenght1 = HitUtil.Distance(point2.Point, point) + width;
UnitPointBulge retP1 = GetEndPointByLength(oriPoints, index, lenght1, false);
//第二个位置点
double lenght2 = HitUtil.Distance(point1.Point, point) + width;
UnitPointBulge retP2 = GetEndPointByLength(oriPoints, index, lenght2, true);
var bridge = new BridgePoints(multiSegLine, retP1, retP2, HitUtil.Distance(p1, point));
retPoints.Add(bridge);
}
}
}
return(retPoints);
}
/// <summary>
/// 计算阵列中心点
/// </summary>
public void CalRotateCenterUnitPoint()
{
bool isSetCenter = GlobalModel.Params.ArrayAnnular.IsSetArrayCenterScope;
if (isSetCenter)
{
RectangleF rectangleF = GetMaxUnit();
double centerStartAngle = GlobalModel.Params.ArrayAnnular.CenterStartAngle;
RotateCenterUnitPoint = new UnitPoint((rectangleF.X + rectangleF.Width / 2) - (Math.Cos(HitUtil.DegreesToRadians(centerStartAngle)) * GlobalModel.Params.ArrayAnnular.CenterCricleRadius), (rectangleF.Y + rectangleF.Height / 2) - (Math.Sin(HitUtil.DegreesToRadians(centerStartAngle)) * GlobalModel.Params.ArrayAnnular.CenterCricleRadius));
}
}
