/**
* Donec imperdiet dignissim semper. Sed vehicula purus dui, eget porta lectus convallis sagittis. Suspendisse ac lectus dignissim, tincidunt nisi quis, gravida metus.
* @class
* @extends Alive
*/
class Tree extends Alive {
constructor() {
super()
/**
* Donec imperdiet dignissim
* @type {Array<Alive>}
*/
this.branches = null
}
/**
* @param {Environment} environment the environment when this Alive thing is surviving
* @return {Energy} the energy wasted in this surviving instance
* @method
*/
crop() {
return null
}
}