def on_receive(j):
window.requestAnimationFrame(step)
for pid, owner, name, dna in j:
if pid not in pets_by_id:
pet = Pet()
pet.pid = pid
pet.owner = owner if owner else 0
pet.name = name if name else "boss"
pets_by_id[pet.pid] = pet
pets.append(pet)
else:
pet = pets_by_id[pid]
pet.from_json(dna)
pet.make_balls()
