(point)
| 418 | // return a string representing the point |
| 419 | // string is rounded in both dimensions |
| 420 | function getKey(point) { |
| 421 | |
| 422 | return point.clone().toString(); |
| 423 | } |
| 424 | |
| 425 | // return a normalized vector from given point |
| 426 | // used to determine the direction of a difference of two points |
no test coverage detected