/// <summary>
/// Retourne le point discrétisé
/// </summary>
private Vector3 ReturnPointFromSpline(float delta)
{
float x = 0.0f;
float y = 0.0f;
for (int i = 0; i < m_controlpoints.Count; i++)
{
float polynomResult = ( float )MathStuffs.PolynomeBernstein(m_controlpoints.Count - 1, i, delta);
x += polynomResult * m_controlpoints[i].X;
y += polynomResult * m_controlpoints[i].Y;
}
return(new Vector3(x, y, 0.0f));
}
private Vector3 ComputeBSlineVertex(int idSegment, float t)
{
Vector3 vertex = new Vector3();
for (int i = idSegment; i <= idSegment + Degree; i++)
{
double riesenfeld = MathStuffs.PolynomeRiesenfeld(i - idSegment, Degree, t);
int val = i;
if (i <= 0)
{
if (Clamp)
{
val = 0;
}
else
{
val = m_controlpoints.Count + i;
}
}
if (i >= m_controlpoints.Count)
{
if (Clamp)
{
val = m_controlpoints.Count - 1;
}
else
{
val = i - m_controlpoints.Count;
}
}
vertex.X += ( float )riesenfeld * m_controlpoints[val].X;
vertex.Y += ( float )riesenfeld * m_controlpoints[val].Y;
vertex.Z += ( float )riesenfeld * m_controlpoints[val].Z;
}
return(vertex);
}