1package models
 2
 3import "gopkg.in/mgo.v2/bson"
 4
 5const GALAXYSIZE = 50
 6const SOLARSYSTEMSIZE = 15
 7
 8type SolarSystem struct {
 9	Id       bson.ObjectId   `json:"id", bson:"_id, omitempty"`
10	Position int64           // position of the solar system in the galaxy, the maximum position is GALAXYSIZE-1
11	Planets  []bson.ObjectId // array with ids of the planets, if empty is equal to ""
12}