| d | distance in meters between tile centers |
| offset | How much to offset the center point to create the feeling of a random world. 0-1 |
| padding | ? |
| dLng | at latitude lat, 1 meter equals dLng degrees |
| dLat | 1 meter always equals 1/111111 latitude degrees (approximately) |
| X, Y | Projected tile coordinates starting at lat,lng = 0,0 with a spacing of d meters |
| vX, vLat, ... | Virtual coordinates - after the offset this are the result the user will actually see |
