Unity provides standard spline asset,
use BGCurve only if Unity spline misses some feature
Cursor [Component]
Description
Let you define a position on the curve by distance or distance ratio [Range(0,1]. This component does nothing except defining this position.
Parameters
distance
Distance in standard Unity units along the spline. if distance overflows spline's length (<0 or > totalDistance), it will be clamped.
distanceRatio
Normalized distance [Range(0,1)]. 0- start of the spline, 1- end.
showHandles
This component supports handles in Scene View. Enable this flag to show handles. Handles are not interactive.
handlesScale
Adjust handles scale.
handlesColor
Set handles color.