public override void DrawArc(ref BM.Vector3 center, ref BM.Vector3 normal, ref BM.Vector3 axis, float radiusA, float radiusB, float minAngle, float maxAngle,
                                     ref BM.Vector3 color, bool drawSect, float stepDegrees)
        {
            Color col = new Color(color.X, color.Y, color.Z);

            BUtility.DebugDrawArc(center.ToUnity(), normal.ToUnity(), axis.ToUnity(), radiusA, radiusB, minAngle, maxAngle, col, drawSect, stepDegrees);
        }