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 |
|---|---|---|---|
| 3537 | 2018-06-06 11:28:26 | 64.55 | 96% |
| 3173 | 2018-05-29 19:35:29 | 59.47 | 97% |
| 783 | 2017-05-23 10:05:53 | 44.86 | 87% |