Exemplo n.º 1
0
 /// <summary>Creates a uniform B-spline of the given degree, automatically configuring the knot vector to be uniform</summary>
 /// <param name="points">The B-spline control points</param>
 /// <param name="degree">The degree of the curve</param>
 /// <param name="open">Whether or not it should be open. Open means the curve passes through its endpoints</param>
 public BSpline2D(Vector2[] points, int degree = 3, bool open = false)
 {
     this.points     = points;
     this.degree     = degree.AtLeast(1);
     this.evalBuffer = new Vector2[degree + 1];
     this.knots      = SplineUtils.GenerateUniformKnots(this.degree, this.points.Length, open);
 }
Exemplo n.º 2
0
        public static Nurbs2D GetUniformBSpline(Vector2[] points, int degree = 3, bool open = true)
        {
            int ptCount = points.Length;

            float[] knots = SplineUtils.GenerateUniformKnots(degree, ptCount, open);
            return(new Nurbs2D(points, knots, null, degree));
        }
Exemplo n.º 3
0
 /// <summary>Creates a B-spline of the given degree, from a set of points and a knot vector</summary>
 /// <param name="points">The B-spline control points</param>
 /// <param name="knots">The knot vector defining the parameter space of this B-spline. Note: the number of knots has to be exactly degree+pointCount+1</param>
 /// <param name="degree">The degree of the spline</param>
 public BSpline2D(Vector2[] points, float[] knots, int degree = 3)
 {
     this.points     = points;
     this.knots      = knots;
     this.degree     = degree;
     this.evalBuffer = new Vector2[degree + 1];
     if (knots.Length != SplineUtils.BSplineKnotCount(this.points.Length, this.degree))
     {
         throw new ArgumentException($"The knots array has to be of length (degree+pointCount+1). Got an array of {knots.Length} knots, expected ${KnotCount}", nameof(knots));
     }
 }