Example #1
1
 /** Reset ball to an initial state */
 private void serveBall() {
   mBall.x = getWidth() / 2;
   mBall.y = getHeight() / 2;
   mBall.speed = Ball.SPEED + mBallSpeedModifier;
   mBall.randomAngle();
   mBall.pause();
 }
  void the_derive(double time, double y[], double dy[]) {
    int i;
    BallVector balls = decode_balls(y); // new BallVector();//Ball[num_balls];
    BallVector dballs = new BallVector(); // new Ball[num_balls];

    for (i = 0; i < num_balls; i++) {
      Ball p = balls.get2(i);
      Ball d = new Ball();
      d.pos = p.speed;
      d.speed = wall_power(p);
      d.speed.y -= 1; // gravity
      dballs.add(d);
    }

    for (i = 0; i < num_balls; i++)
      for (int j = i + 1; j < num_balls; j++) {
        Ball p1 = balls.get2(i);
        Ball p2 = balls.get2(j);
        if (far_away_fast_calc(p1.pos, p2.pos, radius * 2)) continue;
        double dist = p1.pos.calc_dist(p2.pos);
        // if (dist>radius*2)
        //	continue;

        Vec collide_power = calc_collide_power(p1, p2, dist);
        dballs.get2(i).speed.add_to(collide_power);
        dballs.get2(j).speed.sub_to(collide_power);
      }
    for (i = 0; i < springs.size(); i++) {
      Spring s = springs.get2(i);
      Vec collide_power = calc_spring_power(balls.get2(s.start), balls.get2(s.end));
      dballs.get2(s.start).speed.add_to(collide_power);
      dballs.get2(s.end).speed.sub_to(collide_power);
    }
    encode_balls(dballs, dy);
  };
Example #3
0
  public void controlEvent(ControlEvent theEvent) {
    // DropdownList is of type ControlGroup.
    // A controlEvent will be triggered from inside the ControlGroup class.
    // therefore you need to check the originator of the Event with
    // if (theEvent.isGroup())
    // to avoid an error message thrown by controlP5.

    /*  if (theEvent.getController().getName().equals("restart")) {
      paddles[0].points=0;
      paddles[1].points=0;
    }*/

    if (theEvent.isGroup()) {
      // check if the Event was triggered from a ControlGroup
      //  println("event from group : "+theEvent.getGroup().getValue()+" from
      // "+theEvent.getGroup());
      if (theEvent.getGroup().toString().equals("paddle1 [DropdownList]")) {
        println("paddle1 " + theEvent.getGroup().getValue());
        paddleSelector1 = translations[(int) theEvent.getGroup().getValue()];
        println(jointNames[paddleSelector1]);
      } else if (theEvent.getGroup().toString().equals("paddle2 [DropdownList]")) {
        println("paddle2 " + theEvent.getGroup().getValue());
        paddleSelector2 = translations[(int) theEvent.getGroup().getValue()];
        println(jointNames[paddleSelector2]);
      } else if (theEvent.getGroup().toString().equals("1_or_2_player [DropdownList]")) {
        if ((int) theEvent.getGroup().getValue() == 0) {
          onePlayer = true;
        } else {
          onePlayer = false;
        }
      } else if (theEvent.getGroup().toString().equals("speed [DropdownList]")) {
        if ((int) theEvent.getGroup().getValue() == 0) {
          ball.speed = new PVector(5, 5);
        } else if ((int) theEvent.getGroup().getValue() == 1) {
          ball.speed = new PVector(10, 10);
        } else if ((int) theEvent.getGroup().getValue() == 2) {
          ball.speed = new PVector(15, 15);
        }
      }
    } else if (theEvent.isController()) {
      println(
          "event from controller : "
              + theEvent.getController().getValue()
              + " from "
              + theEvent.getController());
    }
  }