/** Reset the simulation to a starting position. */ public void reset() { step = 0; populate(); // Show the starting state in the view. view.showStatus(step, field); }
/** * Run the simulation from its current state for a single step. Iterate over the whole field * updating the state of each fox and rabbit. */ public void simulateOneStep() { step++; // Provide space for newborn humans. List<Human> newHumans = new ArrayList<Human>(); // Provide space for newborn vampires. List<Vampire> newVampires = new ArrayList<Vampire>(); // Provide space for newborn wolfs. List<Zombie> newZombies = new ArrayList<Zombie>(); // Let all characters act. for (Iterator<Character> it = characterList.iterator(); it.hasNext(); ) { Character c = it.next(); if (c.getCharacter() == TypeCharacter.HUMAN) { Human h = (Human) c; h.run(newHumans); } if (c.getCharacter() == TypeCharacter.VAMPIRE) { Vampire v = (Vampire) c; v.hunt(newVampires); } if (c.getCharacter() == TypeCharacter.ZOMBIE) { Zombie z = (Zombie) c; z.hunt(newZombies); } if (c.getCharacter() == TypeCharacter.MADZOMBIE) { MadZombie mz = (MadZombie) c; mz.hunt(newZombies); } } // Add the newly born humans, vampires and zombies to the main lists. characterList.addAll(newHumans); characterList.addAll(newVampires); characterList.addAll(newZombies); view.showStatus(step, field); }