public void actuate(CleaningEnvironment env, AbstractAgent2D<?> agent,
String... args) {
Vector2D position = env.getAgentPosition(agent.id());
Dirt dirt = env.getDirt(position.x, position.y);
double toClean = dirt.getSchmutzWert() / 1.2;
dirt.setSchmutzWert((int) Math.round(toClean));
}