コード例 #1
0
 /** Creates a new bee widget. */
 public HappyMagicalRainbowBee() {
   shape = new Box(WIDTH, HEIGHT);
   body = new Body(shape, MASS);
   loadImages();
   icon = new ImageIcon();
   icon.setImage(frames.get(0));
   setPosition(new Vector2f(0, 0));
 }
コード例 #2
0
 /**
  * Draws the widget.
  *
  * @param g The object that draws things.
  */
 public void draw(Graphics2D screen) {
   // Animate!
   if (System.nanoTime() - timestamp >= CENTISECOND * 50) {
     timestamp = System.nanoTime();
     if (image == frames.get(0)) {
       image = frames.get(1);
     } else {
       image = frames.get(0);
     }
   }
   ROVector2f position = body.getPosition();
   float angle = body.getRotation();
   boolean hflip = false;
   boolean vflip = false;
   if (currentDirection == Direction.WEST) {
     hflip = false;
   } else if (currentDirection == Direction.EAST) {
     hflip = true;
   } else if (currentDirection == Direction.NORTH) {
     angle += Math.PI / 2;
     vflip = false;
   } else if (currentDirection == Direction.SOUTH) {
     angle += Math.PI / 2;
     vflip = true;
   }
   drawImage(
       position.getX(),
       position.getY(),
       getWidth(),
       getHeight(),
       angle,
       hflip,
       vflip,
       image,
       screen);
 }
コード例 #3
0
  /** A static method for initialing all the images associated with this widget */
  private static void loadImages() {
    // Already in cache, save us from file IO time.
    if (frames != null) {
      return;
    }

    // Okay, it's not in cache, load the images.
    try {
      frames = new ArrayList<BufferedImage>();
      for (int i = 0; i < 2; i++) {
        frames.add(fixTransparency(ImageIO.read(new File(IMAGE_PREFIX + (i + 1) + ".png"))));
      }
    } catch (IOException e) {
      throw new RuntimeException(e);
    }
  }
コード例 #4
0
  /** Resets the widget to start state. */
  public void resetWidget() {
    // Reset has been made, so we CAN activate this later.
    reset = true;
    // Make inactive
    active = false;
    // Not collided.
    collided = false;

    bounces = 0;
    currentDirection = direction;
    image = frames.get(0);
    body.setEnabled(false);
    // Move to initial position.
    body.set(shape, MASS);
    body.setPosition(position.x + WIDTH / 2, position.y + HEIGHT / 2);

    // Make sure the gameplay didn't mess with any initial properties.
    body.setCanRest(true);
    body.setDamping(0.0f);
    body.setFriction(0.01f);
    body.setGravityEffected(false);
    body.setIsResting(true);
    body.setMoveable(true);
    body.setRestitution(1.5f);
    body.setRotatable(true);
    body.setRotation(0.0f);
    body.setRotDamping(0.0f);
    body.setMaxVelocity(50f, 50f);
    body.setForce(-body.getForce().getX(), -body.getForce().getY());
    if (currentDirection == Direction.WEST) {
      body.setForce(-MOVEMENT_SPEED, 0);
    } else if (currentDirection == Direction.EAST) {
      body.setForce(MOVEMENT_SPEED, 0);
    }
    if (currentDirection == Direction.NORTH) {
      body.setForce(0, -MOVEMENT_SPEED);
    } else if (currentDirection == Direction.SOUTH) {
      body.setForce(0, MOVEMENT_SPEED);
    }
    body.adjustVelocity(new Vector2f(-body.getVelocity().getX(), -body.getVelocity().getY()));
    body.adjustAngularVelocity(-body.getAngularVelocity());
  }