I create a BP and add a spline component, then in construction script add 4 spline point and set tangent parameter.
The question is How long the tangent is. So I find some document about Bézier curve.The answer is 0.55191502449*R(Your circle’s Radius)
According to the picture up,tangent Length = 0.55191502449R2.But in fact it’s 0.55191502449R3.Why?Why is 3???
This is my question.