public static MeshGeometry3D ToGeometry3D(this Vector vector, Point point = new Point())
{
var meshBuilder = new MeshBuilder();
var startPoint = point.ToPoint3D();
var endPoint = point.ToPoint3D() + vector.ToVector3D();
meshBuilder.AddArrow(startPoint, endPoint, 0.1);
return(meshBuilder.ToMesh());
}
public static MeshGeometry3D ToGeometry3D(this Point point)
{
var meshBuilder = new MeshBuilder();
meshBuilder.AddSphere(point.ToPoint3D(), 0.1);
return(meshBuilder.ToMesh());
}
public static void AddQuad(this MeshBuilder bulder, Point p1, Point p2, Point p3, Point p4)
{
bulder.AddQuad(p1.ToPoint3D(), p2.ToPoint3D(), p3.ToPoint3D(), p4.ToPoint3D());
}
/// <summary>
/// Adds the triangle.
/// </summary>
/// <param name="bulder">The bulder.</param>
/// <param name="p1">The p1.</param>
/// <param name="p2">The p2.</param>
/// <param name="p3">The p3.</param>
public static void AddTriangle(this MeshBuilder bulder, Point p1, Point p2, Point p3)
{
bulder.AddTriangle(p1.ToPoint3D(), p2.ToPoint3D(), p3.ToPoint3D());
}
public static Tuple<Point, Point> GetControlPoints_Middle(Point end1, Point end2, Point end3, double percentAlong12 = .25, double percentAlong23 = .25)
{
// Just use the 3D overload
var retVal = GetControlPoints_Middle(end1.ToPoint3D(), end2.ToPoint3D(), end3.ToPoint3D(), percentAlong12, percentAlong23);
// Convert the response back to 2D
return Tuple.Create(retVal.Item1.ToPoint2D(), retVal.Item2.ToPoint2D());
}
private void Test2Segments2D(Point end1, Point end2, Point end3)
{
// Control points for 2
var controlPoints = BezierUtil.GetControlPoints_Middle(end1, end2, end3, trkSingleLine2Segments2DPercent.Value, trkSingleLine2Segments2DPercent.Value);
Point3D[] allEndPoints = new[] { end1, end2, end3 }.Select(o => o.ToPoint3D()).ToArray();
var segment12 = new BezierSegment3D(0, 1, new[] { end1.ToPoint3D(), controlPoints.Item1.ToPoint3D() }, allEndPoints);
var segment23 = new BezierSegment3D(1, 2, new[] { controlPoints.Item2.ToPoint3D(), end3.ToPoint3D() }, allEndPoints);
// Calculate the beziers
Point3D[] bezierPoints12 = BezierUtil.GetPoints(100, segment12);
Point3D[] bezierPoints23 = BezierUtil.GetPoints(100, segment23);
#region Draw
PrepFor2D();
foreach (var bezier in new[] { Tuple.Create(segment12, bezierPoints12), Tuple.Create(segment23, bezierPoints23) })
{
// Main Line
for (int cntr = 0; cntr < bezier.Item2.Length - 1; cntr++)
{
AddLine(bezier.Item2[cntr].ToPoint2D(), bezier.Item2[cntr + 1].ToPoint2D(), _mainLineB, 3);
}
if (chkShowDots.IsChecked.Value)
{
foreach (Point3D point in bezier.Item2)
{
AddDot(point.ToPoint2D(), _mainLineB, 8);
}
// Control Lines
Point[] allPoints = UtilityCore.Iterate<Point3D>(bezier.Item1.EndPoint0, bezier.Item1.ControlPoints, bezier.Item1.EndPoint1).Select(o => o.ToPoint2D()).ToArray();
for (int cntr = 0; cntr < allPoints.Length - 1; cntr++)
{
AddLine(allPoints[cntr], allPoints[cntr + 1], _controlLineB, 1);
}
for (int cntr = 0; cntr < bezier.Item1.ControlPoints.Length; cntr++)
{
AddDot(bezier.Item1.ControlPoints[cntr].ToPoint2D(), _controlPointB);
}
}
}
// End Points
if (chkShowDots.IsChecked.Value)
{
AddDot(end1, _endPointB);
AddDot(end2, _endPointB);
AddDot(end3, _endPointB);
}
#endregion
}
