package nl.tudelft.simulation.examples.dsol.animation;
   
   import java.rmi.RemoteException;
   
   import javax.naming.NamingException;
   
   import org.djutils.draw.point.OrientedPoint3d;
   
   import nl.tudelft.simulation.dsol.SimRuntimeException;
  import nl.tudelft.simulation.dsol.simulators.DevsSimulatorInterface;
  import nl.tudelft.simulation.jstats.distributions.DistUniform;
  import nl.tudelft.simulation.jstats.streams.MersenneTwister;
  import nl.tudelft.simulation.jstats.streams.StreamInterface;
  import nl.tudelft.simulation.language.d3.CartesianPoint;
  
  /**
   * <p>
   * Copyright (c) 2002-2023 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved.
   * <p>
   * See for project information <a href="https://simulation.tudelft.nl/" target="_blank"> www.simulation.tudelft.nl</a>.
   * <p>
   * @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
   */
  public class DiscreteBall extends Ball
  {
      /** the origin. */
      private CartesianPoint origin = new CartesianPoint(0, 0, 0);
  
      /** the destination. */
      private CartesianPoint destination = new CartesianPoint(0, 0, 0);
  
      /** the simulator. */
      private DevsSimulatorInterface<Double> simulator = null;
  
      /** the start time. */
      private double startTime = Double.NaN;
  
      /** the stop time. */
      private double stopTime = Double.NaN;
  
      /** the stream -- ugly but works. */
      private static StreamInterface stream = new MersenneTwister();
  
      /**
       * constructs a new Ball.
       * @param nr int; the ball number
       * @param simulator DevsSimulatorInterface&lt;Double&gt;; the simulator
       * @throws RemoteException on remote failure
       * @throws SimRuntimeException on schedule failure
       */
      public DiscreteBall(final int nr, final DevsSimulatorInterface<Double> simulator)
              throws RemoteException, SimRuntimeException
      {
          super(nr);
          this.simulator = simulator;
          // URL image = URLResource.getResource("/nl/tudelft/simulation/examples/dsol/animation/images/customer.jpg");
          // new SingleImageRenderable(this, simulator, image);
          try
          {
              new BallAnimation(this, simulator);
          }
          catch (NamingException exception)
          {
              this.simulator.getLogger().always().error(exception);
          }
          this.next();
      }
  
      /**
       * next movement.
       * @throws RemoteException on network failure
       * @throws SimRuntimeException on simulation failure
       */
      private void next() throws RemoteException, SimRuntimeException
      {
          this.origin = this.destination;
          this.destination = new CartesianPoint(-100 + stream.nextInt(0, 200), -100 + stream.nextInt(0, 200), 0);
          this.startTime = this.simulator.getSimulatorTime();
          this.stopTime = this.startTime + Math.abs(new DistUniform(stream, 2.0, 20.0).draw());
          this.simulator.scheduleEventAbs(this.stopTime, this, "next", null);
      }
  
      /** {@inheritDoc} */
      @Override
      public OrientedPoint3d getLocation() throws RemoteException
      {
          double fraction = (this.simulator.getSimulatorTime() - this.startTime) / (this.stopTime - this.startTime);
          double x = this.origin.getX() + (this.destination.getX() - this.origin.getX()) * fraction;
          double y = this.origin.getY() + (this.destination.getY() - this.origin.getY()) * fraction;
          return new OrientedPoint3d(x, y, 0, 0.0, 0.0, this.theta);
      }
  }