public static bool IsArcIntersectWithRect(ArcBase arcBase, RectangleF rectangle, float thWidth)
{
bool result = false;
UnitPoint p1 = new UnitPoint(rectangle.Left, rectangle.Top);
UnitPoint p2 = new UnitPoint(rectangle.Left, rectangle.Bottom);
if (HitUtil.CircleIntersectWithLine(arcBase.Center, arcBase.Radius, p1, p2))
{
result = HitUtil.IsLineOnArc(p1, p2, arcBase.Center, arcBase.Radius, arcBase.StartAngle, arcBase.AngleSweep, arcBase.IsClockwise, thWidth);
if (result)
{
return(result);
}
}
p1 = new UnitPoint(rectangle.Left, rectangle.Bottom);
p2 = new UnitPoint(rectangle.Right, rectangle.Bottom);
if (HitUtil.CircleIntersectWithLine(arcBase.Center, arcBase.Radius, p1, p2))
{
result = HitUtil.IsLineOnArc(p1, p2, arcBase.Center, arcBase.Radius, arcBase.StartAngle, arcBase.AngleSweep, arcBase.IsClockwise, thWidth);
if (result)
{
return(result);
}
}
p1 = new UnitPoint(rectangle.Left, rectangle.Top);
p2 = new UnitPoint(rectangle.Right, rectangle.Top);
if (HitUtil.CircleIntersectWithLine(arcBase.Center, arcBase.Radius, p1, p2))
{
result = HitUtil.IsLineOnArc(p1, p2, arcBase.Center, arcBase.Radius, arcBase.StartAngle, arcBase.AngleSweep, arcBase.IsClockwise, thWidth);
if (result)
{
return(result);
}
}
p1 = new UnitPoint(rectangle.Right, rectangle.Top);
p2 = new UnitPoint(rectangle.Right, rectangle.Bottom);
if (HitUtil.CircleIntersectWithLine(arcBase.Center, arcBase.Radius, p1, p2))
{
result = HitUtil.IsLineOnArc(p1, p2, arcBase.Center, arcBase.Radius, arcBase.StartAngle, arcBase.AngleSweep, arcBase.IsClockwise, thWidth);
if (result)
{
return(result);
}
}
return(result);
}
public static bool IsPointOnArc(UnitPoint testPoint, float thWidth, ArcModelMini arcModel)
{
List <UnitPoint> temp = new List <UnitPoint>();
temp.Add(new UnitPoint(testPoint.X + thWidth, testPoint.Y + thWidth));
temp.Add(new UnitPoint(testPoint.X + thWidth, testPoint.Y - thWidth));
temp.Add(new UnitPoint(testPoint.X - thWidth, testPoint.Y + thWidth));
temp.Add(new UnitPoint(testPoint.X - thWidth, testPoint.Y - thWidth));
for (int i = 0; i < temp.Count; i++)
{
if (HitUtil.IsLineOnArc(arcModel.Center, temp[i], arcModel.Center, arcModel.Radius, arcModel.StartAngle, arcModel.SweepAngle, arcModel.Clockwise, thWidth))
{
double distance = HitUtil.Distance(arcModel.Center, testPoint);
if (distance <= arcModel.Radius + thWidth && distance >= arcModel.Radius - thWidth)
{
return(true);
}
}
}
return(false);
}