public void UpdateCenter(Point2D center, Vector up)
{
this.Center = center;
this.Up = up;
MinRadius = double.MaxValue;
foreach (var coord in Points)
{
coord.CalculateCenter(this.Center, this.Up);
if (coord.Radius < MinRadius)
MinRadius = coord.Radius;
}
InitHistogram();
}
public void UpdateCenter(Point2D center)
{
UpdateCenter(center, this.Up);
}
public void AddPoint(Point2D position)
{
var coord = new PolarCoord(position);
AddPoint(coord);
}
public void UpdatePosition(Point2D center, Vector up)
{
int x = (int)(center.X + Math.Cos(this.Angle * Math.PI / 180.0) * this.Radius);
int y = (int)(center.Y + Math.Sin(this.Angle * Math.PI / 180.0) * this.Radius);
this.Position = new Point2D(x, y);
}
public void CalculateCenter(Point2D center, Vector up)
{
Vector v = new Vector(Position.X - center.X, Position.Y - center.Y);
this.Radius = v.Length;
int angle = (int)MathUtility.Get2DAngle(up, v);
this.Angle = (int)MathUtility.NormalizeAngle(angle);
}
public PolarCoord(Point2D position)
: this()
{
this.Position = position;
}
