v = 1.1 (slider from -5 to 5, step 0.1)
u = -0.9 (slider from -5 to 5, step 0.1)
A: (3, 0, 0)
c = Circle(A, 4, xAxis)
B: (-1, 0, 0)
d = Circle(B, 2, xAxis)
O: (0, 0, 0)
s = 6.283185307179586 (slider from 0 to (2 * π), step 0.1)
r = 1.9 (slider from 0 to (2 * π), step 0.1)
Q: (-1, (2 * cos(s)), (2 * sin(s)))
P: (3, (4 * cos(s)), (4 * sin(s)))
f = Segment(P, Q)
C: (3, 0, 4)
D: (-1, 0, 2)
E: (3, 0, -4)
F: (-1, 0, -2)
g = Segment(D, C)
h = Segment(F, E)
i = Segment(D, E)
j = Segment(C, F)
G = Intersect(i, j)
H: (-5, 0, 0)
k = Segment(D, H)
l = Segment(H, F)
I = Point(xAxis)
a, e, b = Cone(I, G, 2)