public void assignRobotRepresent(VivaeRobotRepresent repr) {
int activePositionsCnt = positions.size();
PositionMark pattern = positions.get(actives.size() % activePositionsCnt);
repr.getBody().setPosition((float) pattern.getX(), (float) pattern.getY());
repr.setArena(this);
repr.setWorld(getWorld());
addActive((Active) repr);
}
public void addPosition(PositionMark pos) {
positions.add(pos);
}