public final void applySwarmBonus(final Swarm aSwarm) {
// #if DEBUG
if (aSwarm.bonusApplies == 0) throw new IllegalArgumentException();
// #endif
player.score += aSwarm.bonusApplies;
scoreMarkers.add(aSwarm.lastHitPosition, aSwarm.bonusApplies);
final boolean removed = enemySpawner.spawnedSwarms.remove(aSwarm);
// #if DEBUG
if (!removed) throw new IllegalArgumentException();
// #endif
aSwarm.bonusApplies = 0;
}
