光的反射定律演示

GeoGebra 命令及参数

1. Segment(A, B) → a
2. Point(a) → C
3. OrthogonalLine(C, a) → b
4. OrthogonalLine(C, a) → c
5. Point(c) → Normal
6. Segment(C, Normal) → d
7. Rotate(Normal, α, C) → D'
8. Angle(Normal, C, D') → β
9. Ray(C, D') → e
10. Vector(D', C) → u
11. Rotate(B, 90° - β, C) → B'
12. Angle(B, C, B') → ε
13. Ray(C, B') → f
14. Line(B', f) → g
15. Point(g) → E
16. Angle(E, C, Normal) → ζ
17. Point(g) → F
18. Vector(C, F) → v
19. Segment(P, Q) → i_1
20. Vector(Ob, P_1) → w
21. Line(Ob, P_1) → j
22. Vector(Ob, P_2) → k
23. OrthogonalLine(P_2, i_1) → l
24. Point(l) → H
25. Segment(P_2, H) → m
26. Point(w) → I
27. Point(k) → J
28. Angle(I, Ob, J) → η
29. Point(k) → K
30. Point(m) → M
31. Angle(M, P_2, K) → θ
32. Distance(P_1, Ob) → distanceP1Ob
33. Line(P_2, Im) → n
34. Segment(P_2, Im) → p
35. Point(w) → N
36. Vector(P_1, N) → q
37. Translate(P_1, q) → O
38. Vector(P_1, O) → r_1
39. Ray(P_1, Im) → s
40. Point(n) → R
41. Vector(P_2, R) → t
42. Point(r_1) → S
43. Point(k) → T
44. Angle(S, Ob, T) → i
45. Point(r_1) → U
46. Vector(Ob, U) → u_1
47. Point(u_1) → V
48. Vector(P, V) → v_1
49. Line(W, Z) → f_1
50. Point(m) → A_1
51. Angle(R, P_2, A_1) → r
52. Point(t) → B_1
53. Distance(P, Ob) → distancePOb
54. Distance(P, Im) → distancePIm