Returns path data for a curve that smoothly interpolates the given points. Interpolation is performed via a Catmull-Rom spline.
either "open" or "closed."
points to be interpolated
smoothness of curve (0=piecewise linear, .25=default)
Path data for interpolating spline
Returns path data for a curve that smoothly interpolates the given points. Interpolation is performed via a Catmull-Rom spline.