e_x = (-0.4, -0.4)
e_y = (1, 0)
e_z = (0, 1)
t = 0 (slider from 0 to 6.283185307179586, step 0.1)
R: e_x * cos(t)^(2.0) + e_z * sin(t) + 3.0 * e_x + 2.0 * e_z
P: e_x * cos(t)^(2.0) + e_y * cos(t) * sin(t) + e_z * sin(t) + 2.2 * e_y + 3.0 * e_x + 2.0 * e_z
Q: e_x * cos(t)^(2.0) + e_y * cos(t) * sin(t) + 2.2 * e_y + 3.0 * e_x
S: e_y * cos(t) * sin(t) + e_z * sin(t) + 2.0 * e_y + 2.0 * e_z
u = Vector(P, Q)
v = Vector(P, R)
w = Vector(P, S)
O = (0, 0)
A: 5.0 * e_x
B: 4.0 * e_y
C: 4.0 * e_z
D: A + C
E: B + C
F: A + B
Vieleck1, o, a, f, b = Polygon(O, A, F, B)
Vieleck2, o_1, a_1, d, c = Polygon(O, A, D, C)
Vieleck3, o_2, b_1, e, c_1 = Polygon(O, B, E, C)