Hello!
So I tried on my end, and unfortunately, it seems that Custom Tangents is broken, in code it does not set the Control Point type accordingly, and the tangents always get overridden by the spline to satisfy its curve condition.
I’ve fixed it locally and it is working now, but on your end, it will probably means waiting for 5.3…
In this example, I have a set of points from my surface sampler (a few of them), then add an attribute of type Vector to it, named ArriveTangent. All points will have the same value, but you can design a BP to set each value differently.
Then I use CreateSpline and check ApplyCustomTangents with the name of my previously created attribute for Arrive and Leave Tangents.
You can see the difference between the 2 options
