/// <summary>
/// Set <see cref="Knot"/> <paramref name="knot"/> info in local coordinates at the <paramref name="index"/>
/// position in the collection.
/// </summary>
public void SetKnot(int index, Knot knot)
{
//If knot is set to auto, adjust handles accordingly
_knotRotations[index] = knot.rotation;
_autoKnotsCache[index] = knot.auto;
if (knot.IsUsingAutoHandles)
{
PositionAutoHandles(index, ref knot);
}
//Automate knots around this knot
int preKnotIndex, postKnotIndex;
GetKnotIndicesForKnot(index, out preKnotIndex, out postKnotIndex);
var preKnot = new Knot();
if (preKnotIndex != -1)
{
preKnot = GetKnot(preKnotIndex);
if (preKnot.IsUsingAutoHandles)
{
int preKnotPreCurveIndex, preKnotPostCurveIndex;
GetCurveIndicesForKnot(preKnotIndex, out preKnotPreCurveIndex, out preKnotPostCurveIndex);
if (preKnotPreCurveIndex != -1)
{
PositionAutoHandles(
preKnotIndex,
ref preKnot,
_curves[preKnotPreCurveIndex].StartPoint,
knot.position);
_curves[preKnotPreCurveIndex] = new Bezier3DCurve(
_curves[preKnotPreCurveIndex].StartPoint,
_curves[preKnotPreCurveIndex].FirstHandle,
preKnot.handleIn,
preKnot.position,
InterpolationStepsPerCurve);
}
else
{
PositionAutoHandles(
preKnotIndex,
ref preKnot,
Vector3.zero,
knot.position);
}
}
}
var postKnot = new Knot();
if (postKnotIndex != -1)
{
postKnot = GetKnot(postKnotIndex);
if (postKnot.IsUsingAutoHandles)
{
int postKnotPreCurveIndex, postKnotPostCurveIndex;
GetCurveIndicesForKnot(postKnotIndex, out postKnotPreCurveIndex, out postKnotPostCurveIndex);
if (postKnotPostCurveIndex != -1)
{
PositionAutoHandles(
postKnotIndex,
ref postKnot,
knot.position,
_curves[postKnotPostCurveIndex].EndPoint);
_curves[postKnotPostCurveIndex] = new Bezier3DCurve(
postKnot.position,
postKnot.handleOut,
_curves[postKnotPostCurveIndex].SecondHandle,
_curves[postKnotPostCurveIndex].EndPoint,
InterpolationStepsPerCurve);
}
else
{
PositionAutoHandles(
postKnotIndex,
ref postKnot,
knot.position,
Vector3.zero);
}
}
}
//Get the curve indices in direct contact with knot
int preCurveIndex, postCurveIndex;
GetCurveIndicesForKnot(index, out preCurveIndex, out postCurveIndex);
//Adjust curves in direct contact with the knot
if (preCurveIndex != -1)
{
_curves[preCurveIndex] = new Bezier3DCurve(
preKnot.position,
preKnot.handleOut,
knot.handleIn,
knot.position,
InterpolationStepsPerCurve);
}
if (postCurveIndex != -1)
{
_curves[postCurveIndex] = new Bezier3DCurve(
knot.position,
knot.handleOut,
postKnot.handleIn,
postKnot.position,
InterpolationStepsPerCurve);
}
_totalLength = GetTotalLength();
}