A = (0.48, -1.06)
B = (4.48, 3.96)
C = (12.4, 4.46)
D = (14.06, -4.58)
t = 0.36 (slider from 0 to 1, step 0.01)
E: t * A + (1 - t) * B
F: t * B + (1 - t) * C
G: t * C + (1 - t) * D
H: t * E + (1 - t) * F
I: t * F + (1 - t) * G
J: t * H + (1 - t) * I
u = Vector(A, B)
v = Vector(D, C)
lieu1 = Locus(J, t)