A = (-2.4, 1.76)
B = (3.44, -2.18)
C = (-6.32, -2.34)
a = Line(B, C)
D = Point(a)
b = OrthogonalLine(D, a)
c = Segment(A, D)
e = 0.3 (slider from 0 to 5, step 0.1)
E: (e * A + D) / (e + 1.0)
d = OrthogonalLine(E, c)
F = Intersect(d, b)