筷子在水中 俯视图

来源：百度知道 编辑：UC知道 时间：2024/05/12 18:47:18
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0........|..............
.0.......|..............
..0......|..............
...0.....|..............
....0....|..............
.....0...|..............
......0..|..............
.......0.|..............
------------------------
...........|0.............
...........|....0.........
...........|........0.....
...........|............0.

0是筷子.
-是水面.
|是折射的法线.

如果从上向下垂直看的话,就只能感觉筷子比现实中的短,不太容易看到折射现象.

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假设上面三排0是筷子实际长度和图象
0000000000000000000|
0000000000000000000|00000
0000000000000000000|
那么这就是俯视的效果了.
|表水面.