Simulates an element of the system

Element.java

public class Element {
    public mortality;
    public boolean alive;
    public int age;
    public Point position;
    public void tick() {
        updateMortality();
        if (alive) {
            age++;
            if (random(0,1)<mortality) {
                alive = false;
                return;
            }
        }
    }
    public Vector escape(Point enemies[]) {
        Vector route = new Vector();
        for (Point enemy:enemies) {
            route.add(new Vector(this.position, enemy));
        }
        route.invert();
        return route;
    }
    void updateMortality() {
        // dMortality/dt = age * 0.00001
        mortality += age*0.00001;
    }
}