/// <summary>
/// Initializes a new instance of the <see cref="Arc"/> class.
/// </summary>
/// <param name="arc">A <see cref="Arc"/> instance.</param>
public Arc(Arc arc)
{
_pCenter = arc._pCenter;
_radius = arc._radius;
_angle0 = arc._angle0;
_angle1 = arc._angle1;
}
public static bool SegmentToAboveArc(Segment seg, Arc arcAbove, ref double distance)
{
bool success = false;
distance = double.MaxValue;
List<Segment> listArc = arcAbove.Explode(20);
foreach (Segment segArc in listArc)
{
double dist = 0.0f;
if (PointToAboveSegment(seg.P0, segArc, ref dist) && dist > 0)
{
distance = System.Math.Min(distance, dist);
success = true;
}
if (PointToAboveSegment(seg.P1, segArc, ref dist) && dist > 0)
{
distance = System.Math.Min(distance, dist);
success = true;
}
if (PointToAboveSegment(segArc.P0, seg, ref dist) && dist < 0)
{
distance = System.Math.Min(distance, -dist);
success = true;
}
if (PointToAboveSegment(segArc.P1, seg, ref dist) && dist < 0)
{
distance = System.Math.Min(distance, -dist);
success = true;
}
}
return success;
}
private static void TestArcToAboveArc()
{
Arc arc0 = new Arc(Vector2D.Zero, 1.0f, -45.0f, -135.0f);
Arc arc1 = new Arc(new Vector2D(0.0, 10.0), 1.0f, 45.0f, 135.0f);
double distance = 0.0;
VerticalDistance.ArcToAboveArc(arc0, arc1, ref distance);
Console.WriteLine(string.Format("TestArcToAboveArc = {0}", distance));
}
private static void TestArcToAboveSegment()
{
Arc arc = new Arc(Vector2D.Zero, 1.0f, -45.0f, -135.0f);
Segment seg = new Segment(new Vector2D(-10.0f, 10.0f), new Vector2D(10.0f, 10.0f));
double distance = 0.0;
VerticalDistance.ArcToAboveSegment(arc, seg, ref distance);
Console.WriteLine(string.Format("ArcToAboveSegment = {0}", distance));
}
private static void TestArcToAboveArcTransformed()
{
Transform2D transf = Transform2D.Rotation(90.0);
Arc arc0 = new Arc(Vector2D.Zero, 1.0f, -45.0f, 45.0f);
arc0.Transform(transf);
Arc arc1 = new Arc(new Vector2D(10.0, 0.0), 1.0f, 0.0f, 360.0f);
arc1.Transform(transf);
double distance = 0.0;
VerticalDistance.ArcToAboveArc(arc0, arc1, ref distance);
Console.WriteLine(string.Format("TestArcToAboveArcTransformed = {0}", distance));
}
public static bool PointToAboveArc(Vector2D p, Arc arc, ref double distance)
{
bool success = false;
distance = double.MaxValue;
IList<Segment> list = arc.Explode(20);
foreach (Segment seg in list)
{
double dist = 0.0f;
if (PointToAboveSegment(p, seg, ref dist) && dist > 0)
{
distance = System.Math.Min(dist, distance);
success = true;
}
}
return success;
}
public static bool ArcToAboveArc(Arc arc1, Arc arc2, ref double distance)
{
bool success = false;
distance = double.MaxValue;
List<Segment> listArc1 = arc1.Explode(20);
List<Segment> listArc2 = arc2.Explode(20);
foreach (Segment seg1 in listArc1)
foreach (Segment seg2 in listArc2)
{
double dist = double.MaxValue;
if (VerticalDistance.SegmentToAboveSegment(seg1, seg2, ref dist) && dist > 0)
{
distance = System.Math.Min(distance, dist);
success = true;
}
}
return success;
}