时钟模拟

GeoGebra 命令及参数

1. Circle(A, 3) → c
2. Dilate(c, 0.75, A) → c'
3. Point(c') → C
4. Dilate(C, 4 / 3, A) → C_1
5. Angle(C_1, A, B) → α
6. If(G_m ≟ 60, 0, G_m) → G_{m1}
7. Rotate(B, (-(30°)), A) → B'
8. Rotate(B, (-(60°)), A) → B'_1
9. Rotate(B, (-(90°)), A) → B'_2
10. Rotate(B, (-(120°)), A) → B'_3
11. Rotate(B, (-(150°)), A) → B'_4
12. Rotate(B, (-(180°)), A) → B'_5
13. Rotate(B, (-(210°)), A) → B'_6
14. Rotate(B, (-(240°)), A) → B'_7
15. Rotate(B, (-(270°)), A) → B'_8
16. Rotate(B, (-(300°)), A) → B'_9
17. Rotate(B, (-(330°)), A) → B'_{10}
18. Random(1, 12) → Th
19. RandomElement(Minute_1) → Minute
20. Dilate(c, 0.5, A) → c''
21. Point(c'') → D
22. FromBase(Minute, 10) → Tm
23. Rotate(B, (Th / 12 * (-(360°))) + (((-Tm)) / 720 * 360°), A) → Z
24. Dilate(Z, 0.5, A) → Z_1
25. Rotate(B, (Tm / 60 * (-(360°))), A) → Y
26. Dilate(Y, 0.75, A) → Y_1
27. Segment(A, Y_1) → f
28. Segment(A, Z_1) → g
29. Segment(A, D) → h
30. Segment(A, C) → i
31. Circle(C, 0.2) → d
32. Intersect(d, i) → E,
33. Rotate(E, 45°, C) → E'
34. Rotate(E, (-(45°)), C) → E'_1
35. Segment(E'_1, C) → j
36. Segment(C, E') → k
37. Circle(D, 0.2) → p
38. Intersect(p, h) → F,
39. Rotate(F, (-(45°)), D) → F'
40. Rotate(F, 45°, D) → F'_1
41. Segment(D, F') → l
42. Segment(D, F'_1) → m
43. Circle(Z_1, 0.2) → e
44. Circle(Y_1, 0.2) → q
45. Intersect(q, f, 1) → G
46. Intersect(e, g, 1) → I
47. Rotate(I, 45°, Z_1) → I'
48. Rotate(G, 45°, Y_1) → G'
49. Rotate(I, (-(45°)), Z_1) → I'_1
50. Rotate(G, (-(45°)), Y_1) → G'_1
51. Segment(Y_1, G') → n
52. Segment(Y_1, G'_1) → r
53. Segment(Z_1, I') → s
54. If(G_{m1} < 10, ("0" * G_{m1}), Text[G_{m1}]) → text5
55. Segment(Z_1, I'_1) → t
56. If(H ≟ 0, 12, H) → H_1