/** Executes step method for each car and adds them to their new position */
  private void moveCars() {
    this.carsToRemove.clear();
    this.positionsToCheck.clear();

    // Cars compute their new position
    for (Car car : travelingCars) car.move();

    // Move cars in the map
    for (Car car : travelingCars) {
      int x = car.getX();
      int y = car.getY();

      // Move car
      if (!this.isPositionOutOfBounds(x, y)) {
        map.moveTo(car, x, y);
        this.addPositionToCheck(car.getPosition().getGridPoint());
      }
      // Car moved out of the map. Add for removal
      else {
        this.addCarToRemove(car);
      }
    }

    // Remove cars out of bounds
    for (Car car : this.carsToRemove) {
      remove(car);
    }

    // Manage collisions
    for (String posId : this.positionsToCheck.keySet()) {
      GridPoint pos = this.positionsToCheck.get(posId);
      int x = pos.getX();
      int y = pos.getY();

      if (this.getNumElements(x, y) > 1) {
        Collision col = new Collision(x, y, map);
        Iterable<TrafficElement> elements = map.getObjectsAt(x, y);
        remove(elements);

        context.add(col);
        map.moveTo(col, x, y);

        this.collisions.add(col);
      }
    }
  }
예제 #2
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  public void moveTowards(GridPoint pt) {
    // only move if we are not already in this grid location
    if (!pt.equals(grid.getLocation(this))) {
      NdPoint myPoint = space.getLocation(this);
      NdPoint otherPoint = new NdPoint(pt.getX(), pt.getY());
      double angle = SpatialMath.calcAngleFor2DMovement(space, myPoint, otherPoint);
      space.moveByVector(this, 1, angle, 0);
      myPoint = space.getLocation(this);
      grid.moveTo(this, (int) myPoint.getX(), (int) myPoint.getY());

      moved = true;
    }
  }
예제 #3
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  public void infect() {
    GridPoint pt = grid.getLocation(this);
    List<Object> humans = new ArrayList<Object>();
    for (Object obj : grid.getObjectsAt(pt.getX(), pt.getY())) {
      if (obj instanceof Human) {
        humans.add(obj);
      }
    }

    if (humans.size() > 0) {
      int index = RandomHelper.nextIntFromTo(0, humans.size() - 1);
      Object obj = humans.get(index);
      NdPoint spacePt = space.getLocation(obj);
      Context<Object> context = ContextUtils.getContext(obj);
      context.remove(obj);
      Zombie zombie = new Zombie(space, grid);
      context.add(zombie);
      space.moveTo(zombie, spacePt.getX(), spacePt.getY());
      grid.moveTo(zombie, pt.getX(), pt.getY());

      Network<Object> net = (Network<Object>) context.getProjection("infection network");
      net.addEdge(this, zombie);
    }
  }
예제 #4
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  /**
   * Rain clouds appear with a certain chance, influenced by the weather For every rain cloud in the
   * grid the velocity of every rain object is updated Rain clouds are removed if they have passed a
   * certain time
   */
  @ScheduledMethod(start = 1, interval = 1, priority = 0)
  public void rain() {
    // Let new raingroups appear with a certain chance
    double chance = SimulationParameters.rainProb;
    // The probability of rain appearing decreases if there is already rain in the grid
    if (noRainGroups == 1) chance = (chance / (noRainGroups)) * 0.5;
    if (noRainGroups == 2) chance = (chance / (noRainGroups)) * 0.1;
    if (noRainGroups > 2) chance = (chance / (noRainGroups)) * 0.01;
    double f = urng.nextDouble();
    if (f < chance) {
      // Let rain appear
      int x = rand.nextInt((SimulationParameters.gridSize - 0) + 1);
      int y = rand.nextInt((SimulationParameters.gridSize - 0) + 1);
      int[] newLoc = {x, y};
      // Let new raingroup appear in random location
      RainGroup rg = new RainGroup(ContextUtils.getContext(this), grid, newLoc);
      noRainGroups++;
      rainGroups.add(rg);
    }

    ArrayList<RainGroup> toRemove = new ArrayList<RainGroup>();
    for (RainGroup rg : rainGroups) {
      // Get velocity vector of the rain
      float x = Wind.getWindVelocity().x;
      float y = Wind.getWindVelocity().y;
      Vector2 velRain = new Vector2(x, y);
      velRain.setLength(
          Wind.getWindVelocity().len() * 0.9f); // Rain speed is a bit lower than that of the wind

      List<Rain> toRemove1 = new ArrayList<Rain>();
      // Let rain be carried by the wind
      if (urng.nextDouble() < velRain.len()) {
        for (Rain rain : rg.getRainObjects()) {
          Directions dir = Directions.fromVectorToDir(velRain);
          GridPoint pt = grid.getLocation(rain);
          int cX = pt.getX() + dir.xDiff;
          int cY = pt.getY() + dir.yDiff;

          // If new rain-location is out of borders, delete this rain object
          // In this way the cloud "travels" out of the grid
          if (cX < 0
              || cX >= SimulationParameters.gridSize
              || cY < 0
              || cY >= SimulationParameters.gridSize) {
            toRemove1.add(rain);
          } else grid.moveTo(rain, cX, cY);
        }
      }

      for (Rain r : toRemove1) {
        rg.removeRain(r);
        TreeBuilder.performance.decreaseRainCount();
      }
    }

    // Remove the raingroups from our list which were removed from the context
    for (RainGroup rg : toRemove) {
      rainGroups.remove(rg);
      noRainGroups--;
    }
  }
 /**
  * Adds a car to the simulation
  *
  * @param car
  */
 private void add(Car car) {
   travelingCars.add(car);
   context.add(car);
   map.moveTo(car, car.getX(), car.getY());
 }