private static void AddBezierPlate(int count, BezierSegment3D seg1, BezierSegment3D seg2, Model3DGroup group, Material material)
{
// Since the bezier curves will have the same number of points, create a bunch of squares linking them (it's up to the caller
// to make sure the curves don't cross, or you would get a bow tie)
Point3D[] rim1 = BezierUtil.GetPoints(count, seg1);
Point3D[] rim2 = BezierUtil.GetPoints(count, seg2);
Point3D[] allPoints = UtilityCore.Iterate(rim1, rim2).ToArray();
List <TriangleIndexed> triangles = new List <TriangleIndexed>();
for (int cntr = 0; cntr < count - 1; cntr++)
{
triangles.Add(new TriangleIndexed(count + cntr, count + cntr + 1, cntr, allPoints)); // bottom left
triangles.Add(new TriangleIndexed(cntr + 1, cntr, count + cntr + 1, allPoints)); // top right
}
// Geometry Model
GeometryModel3D geometry = new GeometryModel3D();
geometry.Material = material;
geometry.BackMaterial = material;
geometry.Geometry = UtilityWPF.GetMeshFromTriangles(triangles.ToArray());
group.Children.Add(geometry);
}
private void DrawBell3()
{
Point[] points = GetBellPoints(txtBell3.Text);
if (points == null)
{
txtBell3.Effect = _errorEffect;
return;
}
txtBell3.Effect = null;
BezierSegment3D bezier = new BezierSegment3D(0, 1, points.Select(o => o.ToPoint3D()).ToArray(), new[] { new Point3D(0, 0, 0), new Point3D(1, 1, 0) });
Random rand = StaticRandom.GetRandomForThread();
IEnumerable <double> samples = Enumerable.Range(0, 100000).
Select(o => BezierUtil.GetPoint(rand.NextDouble(), bezier).Y);
IEnumerable <Point> idealLine = BezierUtil.GetPoints(100, bezier).
Select(o => o.ToPoint2D());
DrawGraph(samples, idealLine);
Rect bounds = GetBounds();
for (int cntr = 0; cntr < bezier.ControlPoints.Length - 1; cntr++)
{
Point from = GetScaledPoint(bezier.ControlPoints[cntr], bounds);
Point to = GetScaledPoint(bezier.ControlPoints[cntr + 1], bounds);
AddLine(from, to, _brushLightBlue);
}
if (bezier.ControlPoints.Length > 0)
{
Point from = GetScaledPoint(bezier.EndPoint0, bounds);
Point to = GetScaledPoint(bezier.ControlPoints[0], bounds);
AddLine(from, to, _brushLightBlue);
from = GetScaledPoint(bezier.EndPoint1, bounds);
to = GetScaledPoint(bezier.ControlPoints[bezier.ControlPoints.Length - 1], bounds);
AddLine(from, to, _brushLightBlue);
}
}
private void DrawBellArms()
{
#region OLD
//var controlPoints = new List<Tuple<Point, Point>>();
//// Arm1
//if (!trkBellArmsLeftLen.Value.IsNearZero())
//{
// Vector arm1 = new Vector(1, 1).ToUnit() * trkBellArmsLeftLen.Value;
// arm1 = arm1.
// ToVector3D().
// GetRotatedVector(new Vector3D(0, 0, -1), trkBellArmsLeftAngle.Value).
// ToVector2D();
// controlPoints.Add(Tuple.Create(new Point(0, 0), arm1.ToPoint()));
//}
//// Arm2
//if (!trkBellArmsRightLen.Value.IsNearZero())
//{
// Vector arm2 = new Vector(-1, -1).ToUnit() * trkBellArmsRightLen.Value;
// arm2 = arm2.
// ToVector3D().
// GetRotatedVector(new Vector3D(0, 0, -1), trkBellArmsRightAngle.Value).
// ToVector2D();
// Point point = new Point(1, 1);
// controlPoints.Add(Tuple.Create(point, point + arm2));
//}
//// Bezier
//Point3D[] controlPoints3D = controlPoints.
// Select(o => o.Item2.ToPoint3D()).
// ToArray();
//BezierSegment3D bezier = new BezierSegment3D(0, 1, controlPoints3D, new[] { new Point3D(0, 0, 0), new Point3D(1, 1, 0) });
#endregion
RandomBellArgs bezier = new RandomBellArgs(trkBellArmsLeftLen.Value, trkBellArmsLeftAngle.Value, trkBellArmsRightLen.Value, trkBellArmsRightAngle.Value);
// Points
Random rand = StaticRandom.GetRandomForThread();
IEnumerable <double> samples = Enumerable.Range(0, 75000).
//Select(o => BezierUtil.GetPoint(rand.NextDouble(), bezier).Y);
Select(o => rand.NextBell(bezier));
IEnumerable <Point> idealLine = BezierUtil.GetPoints(100, bezier.Bezier).
Select(o => o.ToPoint2D());
// Draw
DrawGraph(samples, idealLine);
Rect bounds = GetBounds();
if (!trkBellArmsLeftLen.Value.IsNearZero())
{
Point from = GetScaledPoint(bezier.Bezier.EndPoint0, bounds);
Point to = GetScaledPoint(bezier.Bezier.ControlPoints[0], bounds);
AddLine(from, to, _brushLightBlue);
}
if (!trkBellArmsRightLen.Value.IsNearZero())
{
Point from = GetScaledPoint(bezier.Bezier.EndPoint1, bounds);
Point to = GetScaledPoint(bezier.Bezier.ControlPoints[bezier.Bezier.ControlPoints.Length - 1], bounds);
AddLine(from, to, _brushLightBlue);
}
// Report coords
lblBellValues.Text = GetBellArmValues();
lblBellCtrlPoints.Text = GetBellPoints(bezier.Bezier.ControlPoints.Select(o => o.ToPoint2D()));
}
