t = 0.45 (slider from 0 to 1, step 0.0010)
a = 5 (slider from 0 to 6, step 0.1)
b = 4 (slider from 0 to 8, step 0.1)
k = 1 (slider from 0 to 2, step 0.1)
k': b + k
A = (0, 0)
B: A + (1.0, 0.0)
E: A + (a + b, 0.0)
F: A + (a - b, 0.0)
C: E + (F - E) * t
c = Line(A, B)
d = Circle(A, a)
e = Circle(C, b)
D = Intersect(d, e, 1.0)
f = Segment(A, D)
g = Segment(D, C)
i = Segment(A, C)
j = Ray(C, D)
q = Circle(C, k')
G = Intersect(q, j, 1.0)
l = Segment(D, G)
h = Segment(E, F)
C' = Point(h)
e' = Circle(C', b)
D' = Intersect(d, e', 1.0)
j' = Ray(C', D')
q' = Circle(C', k')
G' = Intersect(q', j', 1.0)
lugar1 = Locus(G', C')
texto1: "" + a
texto2: "" + b
texto3: "" + k