Calculates the position of the ControlPoint control point for an edge.
            
- e (Edge)
 - The target edge
 
- ccd (Single)
 - The relative size of the curve angle
 
- crf (Single)
 - The distance factor of the control point
 
[Missing <returns> documentation for M:Flexivert.Utils.FVMath.CalcControlPoint(Flexivert.Edge,System.Single,System.Single)]