public static double NextBell(this Random rand, RandomBellArgs args)
{
double retVal = BezierUtil.GetPoint(rand.NextDouble(), args.Bezier).Y;
if (retVal < 0)
{
retVal = 0;
}
else if (retVal > 1)
{
retVal = 1;
}
return(retVal);
}
/// <summary>
/// The percent will go to 1/max to max
/// </summary>
public static double NextBellPercent(this Random rand, RandomBellArgs args, double max)
{
// Get a value from 0 to 1 (the bell args could be anything, but it would make sense for this method if it's centered on .5)
double retVal = rand.NextBell(args);
// Adjust to centered at zero. Multiply by two so it goes -1 to 1. Then multiply by max-1 so it goes -max-1 to max-1
// (the 1 gets added in the next step)
retVal = (retVal - .5) * (2 * (max - 1));
// Turn into a multiplier
if (retVal < 0)
{
retVal = 1 / (1 + Math.Abs(retVal));
}
else
{
retVal += 1;
}
return(retVal);
}
public static double NextBell(RandomBellArgs args)
{
return StaticRandom.GetRandomForThread().NextBell(args);
}
/// <summary>
/// The percent will go to 1/max to max
/// </summary>
public static double NextBellPercent(this Random rand, RandomBellArgs args, double max)
{
// Get a value from 0 to 1 (the bell args could be anything, but it would make sense for this method if it's centered on .5)
double retVal = rand.NextBell(args);
// Adjust to centered at zero. Multiply by two so it goes -1 to 1. Then multiply by max-1 so it goes -max-1 to max-1
// (the 1 gets added in the next step)
retVal = (retVal - .5) * (2 * (max - 1));
// Turn into a multiplier
if (retVal < 0)
{
retVal = 1 / (1 + Math.Abs(retVal));
}
else
{
retVal += 1;
}
return retVal;
}
public static double NextBell(this Random rand, RandomBellArgs args)
{
double retVal = BezierUtil.GetPoint(rand.NextDouble(), args.Bezier).Y;
if (retVal < 0) retVal = 0;
else if (retVal > 1) retVal = 1;
return retVal;
}
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()));
}
public static double NextBell(RandomBellArgs args)
{
return(StaticRandom.GetRandomForThread().NextBell(args));
}