Author: 藍邦偉  老師

u = Vector((x(Corner[1.0]), 0.0), (x(Corner[3.0]), 0.0))
v = Vector((0.0, y(Corner[1.0])), (0.0, y(Corner[3.0])))
f(x) = 2.0 * sin(x) + cos(2.0 * x) + 2.0
A = (5.68, 2.16)
B: A + (0.0, 4.0)
C: B - (4.0, 0.0)
Triangle1, c, a, b = Polygon(A, B, C)
D = (9.1, 1.56)
E: D + (0.0, 4.0)
F: E + (4.0, 0.0)
Triangle2, f_1, d, e = Polygon(D, E, F)
G = (3.18, 1.98)
H: G - (2.0, 0.0)
I: G + (0.0, 2.0)
Triangle3, i, g, h = Polygon(G, H, I)
J = (1.42, 7.18)
K: J + (2.0, 0.0)
L: J + (0.0, 2.0)
M: J + (2.0, 2.0)
Square1, j, k, m, l = Polygon(J, K, M, L)
N = (6.6000000000000005, 2.24)
P: N + (2.0, 0.0)
Q: N + (0.0, 2.0)
Triangle4, q, n, p = Polygon(N, P, Q)
O = (10.3, 7.18)
R: O + (2.0, 0.0)
S: O + (0.0, 2.0)
T: S - (2.0, 0.0)
Parallelogram2, o, r, s, t = Polygon(O, R, S, T)
U = (4.36, 7.7)
V: U + (4.0, 0.0)
W: U + (2.0, 2.0)
Triangle5, w, u_1, v_1 = Polygon(U, V, W)
α = 2.007128639793479 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
β = 0.7853981633974483 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
γ = 0.7853981633974483 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
ε = 0.7853981633974483 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
ζ = 0.7853981633974483 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)
η = 0.7853981633974483 rad (slider from 0 to 6.283185307179586, step 0.017453292519943295)