The observed brightness of a Lambertian surface may be written as the product of an albedo factor, p, and the cosine of the incident angle, cos i. This means that brightness can be written as a product of a term that depends on the material, p, and a term that depends on surface direction, which in turn depends on f and g.
| Game | Time | WPM | Accuracy |
|---|---|---|---|
| 21034 | 2020-02-09 15:20:27 | 46.49 | 97% |
| 10860 | 2018-09-15 03:11:55 | 34.47 | 99% |