public void UpdateSamplePos()
{
SamplePos.Clear();
for (int i = 0; i < m_initSampleCount; ++i)
{
Vector3 pos = CalculateCubicBezierPos(i / (float)(m_initSampleCount - 1));
SamplePos.Add(pos);
}
}
private void Update(EvaluationContext context)
{
var t = SamplePos.GetValue(context);
var gradient = Gradient.GetValue(context);
var interpolation = (Gradient.Interpolations)Interpolation.GetValue(context);
gradient.Interpolation = interpolation;
Color.Value = gradient.Sample(t);
OutGradient.Value = gradient.TypedClone(); //FIXME: This might not be efficient or required
}
/// <summary>
/// Gets the position of a point on the spline that's close to the desired point along the spline. For example, if u = 0.5, then a point
/// that's about halfway through the spline will be returned. The returned point will lie exactly on one of the curves that make up the
/// spline.
/// </summary>
/// <param name="u">How far along the spline to sample (for example, 0.5 will be halfway along the length of the spline). Should be between 0 and 1.</param>
/// <returns>The position on the spline.</returns>
public VECTOR Sample(FLOAT u)
{
SamplePos pos = GetSamplePosition(u);
return(_curves[pos.Index].Sample(pos.Time));
}
