a = 4 (slider from 0 to 100, step 1)
B = (-4.260594430277105, -3.791849885509009)
A = (-3.0998801115758274, 0.18136451312229163)
O = (-10.092105543736038, -1.2735365156676697)
n = -6 (slider from -6 to 6, step 1)
k: n / 2
texte1: "k = " + k + ""
A' = Dilate(A, k, O)
B' = Dilate(B, k, O)
f = Ray(O, A)
g = Ray(O, B)
h = Ray(O, A')
i = Ray(O, B')
j = Segment(A, B)
l = Segment(A', B')
image2 = Dilate(image1_{14}, (k * (a - 60) / 40), O)