/// <summary>
/// Returns a facing vector at the given percentage along the spline to allow content to properly orient along the spline.
/// </summary>
public Vector3 GetDirection(float percentage)
{
//get direction:
CurveDetail curveDetail = GetCurve(percentage);
//avoid an error in editor usage where this index can be -1:
if (curveDetail.currentCurve < 0)
{
return(Vector3.zero);
}
SplineAnchor startAnchor = Anchors[curveDetail.currentCurve];
SplineAnchor endAnchor = Anchors[curveDetail.currentCurve + 1];
return(BezierCurves.GetFirstDerivative(startAnchor.Anchor.position, endAnchor.Anchor.position, startAnchor.OutTangent.position, endAnchor.InTangent.position, curveDetail.currentCurvePercentage).normalized);
}
/// <summary>
/// Returns a position on the spline at the given percentage.
/// </summary>
public Vector3 GetPosition(float percentage, bool evenDistribution = true, int distributionSteps = 100)
{
//evaluate curve:
CurveDetail curveDetail = GetCurve(percentage);
//avoid an error in editor usage where this index can be -1:
if (curveDetail.currentCurve < 0)
{
return(Vector3.zero);
}
SplineAnchor startAnchor = Anchors[curveDetail.currentCurve];
SplineAnchor endAnchor = Anchors[curveDetail.currentCurve + 1];
return(BezierCurves.GetPoint(startAnchor.Anchor.position, endAnchor.Anchor.position, startAnchor.OutTangent.position, endAnchor.InTangent.position, curveDetail.currentCurvePercentage, evenDistribution, distributionSteps));
}
/// <summary>
/// Returns a position on the spline at the given percentage.
/// </summary>
public Vector3 GetPosition(float percentage, bool normalized = true)
{
if (normalized)
{
percentage = Reparam(percentage);
}
//evaluate curve:
CurveDetail curveDetail = GetCurve(percentage);
//avoid an error in editor usage where this index can be -1:
if (curveDetail.currentCurve < 0)
{
return(Vector3.zero);
}
SplineAnchor startAnchor = Anchors[curveDetail.currentCurve];
SplineAnchor endAnchor = Anchors[curveDetail.currentCurve + 1];
return(BezierCurves.GetPoint(startAnchor.Anchor.position, endAnchor.Anchor.position, startAnchor.OutTangent.position, endAnchor.InTangent.position, curveDetail.currentCurvePercentage, true, 100));
}