全内反射

GeoGebra 命令及参数

1. Mirror(B, yAxis) → B'
2. Intersect(xAxis, yAxis) → A
3. Mirror(A, yAxis) → A'_1
4. Ray(A'_1, B') → f'
5. Ray(A, B) → f
6. Angle(yAxis, f') → r_{2}
7. Ray(A, C) → g
8. Rotate(A, r, (0, 0)) → A'
9. Rotate(C, (-r), (0, 0)) → C'
10. Ray(A', C') → g'
11. Angle(g', g) → r_{1}
12. Ray(A'_1, B') → h
13. Point(f) → D
14. Vector(B, D) → u
15. Point(f') → G
16. Intersect(r_{2}, f, 1) → H
17. Intersect(f, h) → I
18. Point(h) → J
19. Vector(I, J) → a
20. Intersect(f, h) → L
21. Point(h) → M
22. Vector(L, M) → w
23. Intersect(f, g') → E
24. Point(g') → F
25. Vector(E, F) → v
26. Angle(f, yAxis) → α
27. Point(yAxis) → K
28. Point(yAxis) → N
29. Point(xAxis) → O
30. Point(xAxis) → P
31. Line(O, P) → j
32. Point(yAxis) → Q
33. Point(yAxis) → R
34. Segment(Q, R) → i
35. Textfield(n) → InputBox1