JR_Tool: Bezier Curve with Mathematic functions

Easy way to construct bezier curves, as you can see here: https://www.youtube.com/watch?v=a9JHRXjWLN0&list=UU8YXloEbU7OT6c8NO8iKApg

Include simple to use matematic function to get: the spline lenght, tangent or the nearest spline position from any 3D position.

Customizable Gizmo!