坐标船游戏：探索坐标与随机过程

GeoGebra 命令及参数

1. Random(-10, 10) → bb
2. Random(-10, 10) → aa
3. Random(-10, 10) → cc
4. Random(4, 15) → rr
5. Circle(A, (1.5 * v - 1) * rr) → c'
6. Ray(A, (0, 0)) → a
7. OrthogonalLine(A, a) → b
8. Intersect(c', b) → B, C
9. Intersect(c', a) → D, T
10. CircumcircleArc(B, D, C) → d
11. Midpoint(C, D) → E
12. Midpoint(B, D) → F_2
13. Ray(A', E) → e
14. Ray(A', F_2) → f
15. Intersect(d, e) → G,
16. Intersect(d, f) → H,
17. CircumcircleArc(G, D, H) → g
18. Circle(I, 1) → h
19. Sequence(Text[If[s < 10, " ", ""] + (s), (21.6 + 2 * Mod[s - 1, 3], 7.75 - 2 * Div[s - 1, 3])], s, 1, 12) → liste3
20. Circle(J, 1) → k
21. Sequence(Text[If[s ≟ 1, " ", If[s < 5, " ", ""]] + (30 * (s - 1)) + "º", (21.25 + 2 * Mod[s - 1, 3], -6.25 - 2 * Div[s - 1, 3])], s, 1, 12) → liste4
22. If(yB > -5, 5*°, (((xB - 3 * yB) / 2 - 19 - 1) * 30)°) → ang
23. If(ang ≟ α ∧ dist ≟ rr, true, false) → raz
24. Segment(O, N) → m
25. Circle(A, (2 * v - 1) * rr - n) → p
26. Sequence(Circle[A, (1.5 * v - 1) * rr - i], i, 0, n, n / 10) → liste5
27. Polygon(P, Q, R, S) → poly1, p_1, q, r_1, s
28. Circle((0, 0), If[2 * v * rr > 12, 0, 2 * v * rr]) → c
29. Midpoint(K, L) → U
30. Midpoint(U, L) → V
31. Midpoint(U, V) → W
32. Midpoint(V, L) → Z
33. Segment(K, C_1) → l
34. Line(A, l) → i
35. Segment(A, U) → t
36. Intersect(c, t) → A_1, B_1
37. Segment(U, A_1) → a_1
38. Rotate(C_1, 6 * v, U) → L'
39. Segment(U, L') → b_1
40. Mod(v * 100, 2) → ab
41. Segment(O, D_1) → j
42. Circle(O, C_1) → g_1
43. Point(g_1) → E_1
44. Segment(O, E_1) → h_1
45. Circle(F_1, 6.5 - abs(r / 4.5)) → q_1
46. Line(F_1, l) → i_1
47. Intersect(q_1, i_1) → G_1, H_1
48. Line(J_1, r_1) → j_1
49. Point(j_1) → N_1
50. Line(N_1, l) → l_1
51. Line(J_1, l) → m_1
52. Point(m_1) → O_1
53. Point(l_1) → P_1
54. Intersect(l_1, r_1) → M_1
55. Polygon(M_1, N_1, J_1, F) → poly2, m_2, n_1, j_2, f_2
56. Point(l_1) → Q_1
57. Point(m_1) → R_1
58. Polygon(P_1, Q_1, R_1, O_1) → poly3, p_2, q_2, r_2, o_1
59. Point(j_1) → S_1
60. Polygon(S_1, T_1, O_1, J_1) → poly4, s_1, t_1, o_2, j_3
61. Midpoint(s_1) → V_1
62. Midpoint(o_2) → W_1
63. Midpoint(S_1, J_1) → Z_1
64. Midpoint(t_1) → A_2
65. Segment(V_1, W_1) → a_2
66. Segment(Z_1, A_2) → b_2
67. Intersect(b_2, a_2) → B_2
68. Circle(B_2, V_1) → c_2
69. Sequence((x(O) + i, y(D_1)), i, -11, 11, 1) → liste1
70. Sequence((x(N) + i, y(N)), i, -11, 11, 1) → liste6
71. Sequence((x(C_1), y(C_1) + i), i, -11, 11, 1) → liste7
72. Sequence((x(E_1), y(E_1) + i), i, -11, 11, 1) → liste8
73. Ray(M_1, T_1) → c_1
74. Sequence(Segment[Element[liste8, i], Element[liste7, i]], i, 0, 22) → liste10
75. Sequence((x(D_1) + i, 0), i, -11, 11) → liste2
76. Sequence(Segment[Element[liste1, i], Element[liste6, i]], i, 0, 22) → liste9
77. Line(S, P) → d_1
78. Line(J_1, S_1) → e_1
79. Line(Q_1, e_1) → f_1
80. Intersect(d_1, s) → M
81. Intersect(d_1, f_1) → C_2
82. Line(R, d_1) → k_1
83. Intersect(e_1, k_1) → D_2
84. Polygon(S, C_2, Q_1, S_1, D_2, R) → poly5, s_2, c_3, q_3, s_3, d_2, r_3
85. Point(d_1) → E_2
86. Line(E_2, p_1) → e_2
87. Intersect(k_1, e_2) → G_2
88. Polygon(E_2, P, Q, G_2) → poly6, e_3, p_3, q_4, g_2
89. Sequence(O + (i, 0), i, -10, 10) → liste11
90. Sequence(O + (0, i), i, -10, 10) → liste12
91. Sequence(i, i, -10, 10) → liste13
92. Sequence(Text[Element[liste13, i], (x(Element[liste11, i] - 0.42), y(Element[liste11, i] - 0.85))], i, 1, Length[liste13], 2) → liste14
93. Sequence(Text[Element[liste13, i], (x(Element[liste12, i] - 1), y(Element[liste12, i] - 0.31))], i, 1, Length[liste13], 2) → liste15