// -- EVASION -- //
        for (int i=0; i<map->crowd.size(); i++) {
            if (this!=map->crowd[i] && map->crowd[i]->visible) {
                float x = (getPosition()+time*velocity - map->crowd[i]->getPosition()).x;
                float y = (getPosition()+time*velocity - map->crowd[i]->getPosition()).y;
                if (x*x+y*y <= (radius + map->crowd[i]->radius)*(radius + map->crowd[i]->radius)) {
                    moveLeft(time*10);
                    break;
                }
            }
        }
        setVelocity(normalize(nextNode->getPosition() - getPosition())*currentspeed);
        move(time);