curve.lengthAtT(t [, opt])
Return the length of the curve up to the point specified by t
.
The curve is divided at t
and the length of the first subcurve is returned. For more information about curve length calculation refer to curve.length()
documentation.
The default value for opt.precision
is 3; this corresponds to maximum observed error of 0.1%.
This method does make use of the opt.subdivisions
property.