source: last-defense/main/Level.java

package main;

import java.util.Iterator;
import java.util.LinkedList;

public class Level {
    public LinkedList<Ship> lstUnits;
    
    public Level() {
        this.lstUnits = new LinkedList<Ship>();
    }
    
    public Level(final Level copy) {
        this.lstUnits = new LinkedList<Ship>();
        final Iterator<Ship> iter = copy.lstUnits.iterator();
        while (iter.hasNext()) {
            this.lstUnits.add(iter.next());
        }
    }
    
    public void addUnit(final Ship u) {
        this.lstUnits.add(u);
        u.loc = new Location(Math.random() * 800.0, -100.0);
        u.targetLoc = new Location(u.loc.getX(), u.loc.getY() + 250);
    }
}