public Vector3 GetPositionAt(float t)
{
if ((t < 0f) && (prev != null) && prev.IsValid())
{
return(prev.GetPositionAt(t + 1.0f));
}
else if ((t > 1f) && (next != null) && next.IsValid())
{
return(next.GetPositionAt(t - 1.0f));
}
else if (IsValid())
{
float t2 = t * t;
float t3 = t2 * t;
Vector3 p0 = startPoint.position, p1 = endPoint.position, m0 = startTangent.position - p0, m1 = endTangent.position - p1;
return((p0 * ((2.0f * t3) - (3.0f * t2) + 1.0f))
+ (m0 * (t3 + (-2.0f * t2) + t))
+ (p1 * ((-2.0f * t3) + (3.0f * t2)))
+ (m1 * (t3 - t2)));
}
else
{
return(transform.position);
}
}
private void OnDrawGizmos()
{
for (int i = 0; i < sections.Count; i++)
{
SplineSection splineSection = sections[i];
if (splineSection.IsValid())
{
Gizmos.color = Color.yellow;
Gizmos.DrawLine(splineSection.startPoint.position, splineSection.startTangent.position);
Gizmos.DrawLine(splineSection.endPoint.position, splineSection.endTangent.position);
Gizmos.color = Color.white;
for (int j = 0; j < 16; j++)
{
Gizmos.DrawLine(splineSection.GetPositionAt(i / 16f), splineSection.GetPositionAt(((float)i + 1) / 16f));
}
}
}
}