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 |
|---|---|---|---|
| 2471 | 2018-09-05 15:10:52 | 76.45 | 98% |
| 2021 | 2017-11-01 14:37:27 | 69.31 | 98% |
| 678 | 2017-09-26 05:11:17 | 61.60 | 97% |