/// <summary>
/// Gets the rotation of a point along the line at the specified length
/// </summary>
public Quaternion GetRotation(float normalizedLength, LineRotationMode lineRotationMode = LineRotationMode.None)
{
lineRotationMode = (lineRotationMode != LineRotationMode.None) ? lineRotationMode : rotationMode;
Vector3 rotationVector = Vector3.zero;
switch (lineRotationMode)
{
case LineRotationMode.Velocity:
rotationVector = GetVelocity(normalizedLength);
break;
case LineRotationMode.RelativeToOrigin:
Vector3 point = GetPoint(normalizedLength);
Vector3 origin = TransformPoint(originOffset);
rotationVector = (point - origin).normalized;
break;
case LineRotationMode.None:
return(LineTransform.rotation);
}
if (rotationVector.magnitude < MinRotationMagnitude)
{
return(LineTransform.rotation);
}
Vector3 upVector = GetUpVectorInternal(normalizedLength);
if (manualUpVectorBlend > 0f)
{
Vector3 manualUpVector = LineUtility.GetVectorCollectionBlend(manualUpVectors, normalizedLength, Loops);
upVector = Vector3.Lerp(upVector, manualUpVector, manualUpVector.magnitude);
}
if (flipUpVector)
{
upVector = -upVector;
}
return(Quaternion.LookRotation(rotationVector, upVector));
}
/// <summary>
/// Gets the rotation of a point along the line at the specified index
/// </summary>
public Quaternion GetRotation(int pointIndex, LineRotationMode lineRotationMode = LineRotationMode.None)
{
return(GetRotation((float)pointIndex / PointCount, lineRotationMode != LineRotationMode.None ? lineRotationMode : rotationMode));
}
