TPACK模型动画示例

GeoGebra 命令及参数

1. CurveCartesian(((1 / (1 + (0.09 * t)) * sin(t)), (1 / ((0.09 * t) + 1) * cos(t)), t / 4), t, 0, (5 * pi)) → c
2. Point(xAxis) → I
3. Intersect(xAxis, yAxis) → J
4. Polygon(I, J, 3) → pol1, h, i, j, K
5. Centroid(pol1) → L
6. Circle(L, 0.5) → e
7. Segment(I, L) → m
8. Intersect(e, m, 1) → S
9. Point(c) → Q
10. PathParameter(Q) → o
11. Point(c) → E
12. Point(c) → D
13. Point(c) → A
14. Point(c) → B
15. Point(c) → C
16. CurveCartesian((0, v, (1.5 * log(1 / 2, v)) - 0.5), v, 0.1, 1) → b
17. Rotate(b, α, zAxis) → b'
18. Mirror(b', zAxis) → b''
19. Point(zAxis) → F
20. Point(zAxis) → G
21. Segment(F, G) → f
22. Segment(F, G) → g
23. CurveCartesian((sin(t), cos(t), t / 4), t, 0, (6 * pi)) → a
24. Point(c) → H
25. Circle(I, 1.5) → d
26. Segment(J, L) → l
27. Segment(K, L) → n
28. Circle(L, 0.6, space) → p
29. Intersect(l, p, 1) → M
30. Intersect(m, p, 1) → N
31. Intersect(n, p, 1) → O
32. Vector(J, M) → u
33. Vector(I, N) → v
34. Vector(K, L) → w
35. Translate(d, v) → d'
36. Segment(J, M) → q
37. Segment(K, O) → r
38. Segment(N, I) → s
39. Point(s) → P
40. Translate(d, t) → cont
41. Rotate(cont, 120°, L) → tec
42. Rotate(tec, 120°, L) → ped
43. Center(cont) → T
44. Center(ped) → V
45. Center(tec) → W
46. Intersect(cont, ped, 2) → U
47. Intersect(cont, tec, 1) → Z
48. Intersect(tec, ped, 1) → A_1
49. CircleArc(T, U, Z) → c_1
50. CircleArc(W, Z, A_1) → d_1
51. CircleArc(V, A_1, U) → e_1