Esempio n. 1
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 private void buildEye(double x, double y) {
   GOval Eye = new GOval(x, y, eye_radius * 2, eye_radius * 2);
   Eye.setColor(Color.YELLOW);
   Eye.setFilled(true);
   Eye.setFillColor(Color.YELLOW);
   add(Eye);
 }
Esempio n. 2
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  /** getReady: Initialize the game */
  private void getReady() {

    // Make up the bricks
    double brickPerWidth =
        (getWidth() - DIST_BRICK_WALL * 2 - DIST_BRICK_BRICK * (NUM_BRICK_ROW - 1)) / NUM_BRICK_ROW;
    double brickPerHeight = BRICK_HEIGHT;
    double x_start = DIST_BRICK_WALL;
    double y_start;
    for (int i = 1; i <= NUM_BRICK_ROW; i++) {
      for (int j = 1; j <= NUM_BRICK_COL; j++) {
        y_start = 50 + (j - 1) * (DIST_BRICK_BRICK + brickPerHeight);
        GRect tmpbrick = new GRect(brickPerWidth, brickPerHeight);
        tmpbrick.setFilled(true);
        add(tmpbrick, x_start, y_start);
      }
      x_start += DIST_BRICK_BRICK + brickPerWidth;
    }

    // Make up the board
    board = new GRect(BOARD_WIDTH, BOARD_HEIGHT);
    board.setFilled(true);
    add(board, (getWidth() - BOARD_WIDTH) / 2, (getHeight() - 30));

    // Place the ball
    ball = new GOval(BALL_RADIUS * 2, BALL_RADIUS * 2);
    ball.setFilled(true);
    ball.setColor(Color.RED);
    add(ball, (getWidth() - BALL_RADIUS * 2) / 2, (getHeight() - 30 - BALL_RADIUS * 2));

    // Set up random generator
    rgen = RandomGenerator.getInstance();

    // Add Listeners
    addMouseListeners();
  }
Esempio n. 3
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  public void run() {
    while (true) {
      // move ball to right
      // end when ball moves off right side of screen
      setup();
      while (ball.getX() < getWidth()) {
        moveBall();
        checkForCollision();
        pause(DELAY);
      }

      // move ball to left
      xVel = -X_VEL;
      X_START = getWidth() - DIAM_BALL;
      setup();
      while (ball.getX() > -DIAM_BALL - 5) {
        moveBall();
        checkForCollision();
        pause(DELAY);
      }

      X_START = DIAM_BALL / 2;
      xVel = X_VEL;
      yVel = 0.0;
    }
  }
Esempio n. 4
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 public void drawInnerOval() {
   double x = getWidth() / 2.0 - INNER_CIRCLE_WIDTH / 2.0;
   double y = getHeight() / 2.0 - INNER_CIRCLE_WIDTH / 2.0;
   GOval oval = new GOval(x, y, INNER_CIRCLE_WIDTH, INNER_CIRCLE_WIDTH);
   add(oval);
   oval.setFilled(true);
   oval.setFillColor(Color.RED);
   oval.setColor(Color.WHITE);
 }
Esempio n. 5
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 private void PrecisionPaddle() {
   if (ball.getY()
       > HEIGHT
           - PADDLE_Y_OFFSET
           - PADDLE_HEIGHT
           - BALL_RADIUS * 2) { // check if the ball drops below the paddle
     double diff = ball.getY() - (HEIGHT - PADDLE_Y_OFFSET - PADDLE_HEIGHT - BALL_RADIUS * 2);
     ball.move(0, -2 * diff); // move ball an amount equal to the amount it drops below the paddle
   }
 }
 public void run() {
   GOval o = new GOval(40, 40);
   o.setColor(Color.RED);
   o.setFilled(true);
   add(o, 100, 100);
   while (true) {
     pause(WAIT);
     o.move(xMove, yMove);
   }
 }
 private GOval createFilledCircle(double x, double y, double r, int i) {
   GOval circle = new GOval(x - r, y - r, 2 * r, 2 * r);
   if (i % 2 != 0) {
     circle.setColor(Color.RED);
   } else {
     circle.setColor(Color.WHITE);
   }
   circle.setFilled(true);
   return circle;
 }
Esempio n. 8
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  public void drawWhiteOval() {

    double x = getWidth() / 2.0 - WHITE_CIRCLE_WIDTH / 2.0;
    double y = getHeight() / 2.0 - WHITE_CIRCLE_WIDTH / 2.0;
    GOval oval = new GOval(x, y, WHITE_CIRCLE_WIDTH, WHITE_CIRCLE_WIDTH);
    add(oval);
    oval.setFilled(true);
    oval.setFillColor(Color.WHITE);
    oval.setColor(Color.WHITE);
  }
 public void run() {
   for (int i = 0; i < NCIRCLES; i++) {
     double r = rgen.nextDouble(MIN_RADIUS, MAX_RADIUS);
     double x = rgen.nextDouble(0, getWidth() - 2 * r);
     double y = rgen.nextDouble(0, getHeight() - 2 * r);
     GOval circle = new GOval(x, y, 2 * r, 2 * r);
     circle.setFilled(true);
     circle.setColor(rgen.nextColor());
     add(circle);
   }
 }
Esempio n. 10
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 private void checkWall() {
   boolean checkLeftWall = ball.getX() <= 0;
   boolean checkRightWall = ball.getX() + BALL_RADIUS * 2 >= WIDTH;
   boolean checkTop = ball.getY() <= 0;
   if ((checkLeftWall) || (checkRightWall)) {
     vx = -vx;
   }
   if (checkTop) {
     vy = -vy;
   }
 }
Esempio n. 11
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  private void checkForCollision() {
    // check if ball has hit floor. If so, bounce it upwards.
    if (ball.getY() > getHeight() - DIAM_BALL) {
      bounceClip.play();
      yVel = -yVel * BOUNCE_REDUCE; // bounces back almost to BOUNCE_REDUCE * starting height

      // moves ball back above the floor the same distance it would have dropped below the floor in
      // same time
      double diff = ball.getY() - (getHeight() - DIAM_BALL);
      ball.move(0, -2 * diff);
    }
  }
 private void drawOval(int x, int y, int size) {
   // create circle and set whether it will be red or white
   GOval circle = new GOval(x, y, size, size);
   if ((size % 2) == 0) { // if the size of the circle divides evenly (remainder of zero)
     // color the circle RED
     circle.setFillColor(Color.RED);
   } else {
     // color the circle white
     circle.setFillColor(Color.WHITE);
   }
   circle.setFilled(true); // add color
   add(circle); // create circle
 }
Esempio n. 13
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 private void drawBall() {
   double x = WIDTH / 2 - BALL_RADIUS;
   double y = HEIGHT / 2 - BALL_RADIUS;
   double d = 2 * BALL_RADIUS;
   ball = new GOval(x, y, d, d);
   ball.setFilled(true);
   add(ball);
 }
Esempio n. 14
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 private void checkObject() {
   // x and y parameters for the different corners
   double leftX = ball.getX();
   double rightX = ball.getX() + (2 * BALL_RADIUS);
   double upperY = ball.getY();
   double lowerY = ball.getY() + (2 * BALL_RADIUS);
   // check the corners for object
   GObject upperLeft = checkCorner(leftX, upperY); // check upper-left corner
   if (upperLeft == null) {
     GObject upperRight = checkCorner(rightX, upperY); // check upper-right corner
   }
   GObject lowerLeft = checkCorner(leftX, lowerY); // //check lower-left corner
   if (lowerLeft == null) {
     GObject lowerRight = checkCorner(rightX, lowerY); // check lower-right corner
     if ((lowerLeft == paddle)
         && (lowerRight == paddle)) { // When both lower corners hit paddle, change direction.
       vy = -vy;
     }
   }
 }
Esempio n. 15
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 private void gaming() {
   boolean loseOneTurn;
   boolean win = false;
   boolean stillAlive = true;
   for (int i = NTURNS; i > 0; i--) { // loops for the number of turns.
     GLabel life = showLifeCount(i);
     waitForClick();
     add(life);
     while (stillAlive) { // the ball moves and bounces until the user loses or wins the turn.
       moveBall();
       loseOneTurn =
           (ball.getY() >= HEIGHT); // user loses one turn when the ball falls under the paddle.
       win = (brickCount == 0); // user wins when there is no brick left.
       stillAlive = !(loseOneTurn || win);
     }
     if (win) break; // breaks from the loop if the user wins in one turn.
     remove(ball);
     createBall(); // a new ball appears on the center of the screen after one turn
     stillAlive = true;
     remove(life);
   }
 }
Esempio n. 16
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  /** Check for collision */
  private void checkRebounce() {

    // check for left/right/top wall
    if (ball.getX() < 0) {
      vx *= -1;
      ball.move(vx, 0);
      return;
    } else if ((ball.getX() + 2 * BALL_RADIUS) > getWidth()) {
      vx *= -1;
      ball.move(vx, 0);
      return;
    } else if (ball.getY() < 0) {
      ball.setLocation(ball.getX(), -ball.getY());
      vy *= -1;
      return;
    }

    // check for collision with bricks: from the four vertexs
    lefttop = getElementAt(ball.getX(), ball.getY());
    righttop = getElementAt(ball.getX() + 2 * BALL_RADIUS, ball.getY());
    leftbottom = getElementAt(ball.getX(), ball.getY() + 2 * BALL_RADIUS);
    rightbottom = getElementAt(ball.getX() + 2 * BALL_RADIUS, ball.getY() + 2 * BALL_RADIUS);
    if ((lefttop != null) && (righttop != null) && (lefttop != board) && (lefttop != mylabel)) {
      remove(lefttop);
      num_brick_left--;
      vy *= -1;
    } else if ((righttop != null)
        && (rightbottom != null)
        && (righttop != board)
        && (righttop != mylabel)) {
      remove(righttop);
      num_brick_left--;
      vx *= -1;
    } else if ((rightbottom != null)
        && (leftbottom != null)
        && (rightbottom != board)
        && (rightbottom != mylabel)) {
      remove(rightbottom);
      num_brick_left--;
      vy *= -1;
    } else if ((leftbottom != null)
        && (lefttop != null)
        && (leftbottom != board)
        && (leftbottom != mylabel)) {
      remove(leftbottom);
      num_brick_left--;
      vx *= -1;
    }

    // check for collision with board
    if (getElementAt(ball.getX(), (ball.getY() + BALL_RADIUS / 2)) == board) {
      vy *= -1;
      ball.move(0, vy);
    }
  }
Esempio n. 17
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 // Update/move ball down and sideways. yVel increases each cycle, due to gravity.
 private void moveBall() {
   yVel += GRAVITY;
   ball.move(xVel, yVel);
 }
Esempio n. 18
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 // Create and place ball
 private void setup() {
   ball = new GOval(X_START, Y_START, DIAM_BALL, DIAM_BALL);
   ball.setFilled(true);
   add(ball);
 }
Esempio n. 19
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 /** Check whether the game is over */
 private boolean gameover() {
   return (ball.getY() > (getHeight() - 2 * BALL_RADIUS)) || (num_brick_left == 0);
 }
Esempio n. 20
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 /** Move the ball */
 private void moveBall() {
   ball.move(vx, vy);
 }
 public void run() {
   double outerCircleDiameter = 2 * OUTER_CIRCLE_RADIUS;
   double middleCircleDiameter = 2 * MIDDLE_CIRCLE_RADIUS;
   double innerCircleDiameter = 2 * INNER_CIRCLE_RADIUS;
   double xOuterCircle = (getWidth() - outerCircleDiameter) / 2;
   double xMiddleCircle = (getWidth() - middleCircleDiameter) / 2;
   double xInnerCircle = (getWidth() - innerCircleDiameter) / 2;
   double yOuterCircle = (getHeight() - outerCircleDiameter) / 2;
   double yMiddleCircle = (getHeight() - middleCircleDiameter) / 2;
   double yInnerCircle = (getHeight() - innerCircleDiameter) / 2;
   GOval outCircle =
       new GOval(xOuterCircle, yOuterCircle, outerCircleDiameter, outerCircleDiameter);
   GOval middleCircle =
       new GOval(xMiddleCircle, yMiddleCircle, middleCircleDiameter, middleCircleDiameter);
   GOval centreCircle =
       new GOval(xInnerCircle, yInnerCircle, innerCircleDiameter, innerCircleDiameter);
   outCircle.setColor(Color.RED);
   middleCircle.setColor(Color.WHITE);
   centreCircle.setColor(Color.RED);
   outCircle.setFilled(true);
   middleCircle.setFilled(true);
   centreCircle.setFilled(true);
   outCircle.setFillColor(Color.RED);
   middleCircle.setFillColor(Color.WHITE);
   centreCircle.setFillColor(Color.RED);
   add(outCircle);
   add(middleCircle);
   add(centreCircle);
 }
Esempio n. 22
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 /*Defines and places the Rent state as a circle */
 private void placeRent(int x, int y, int width, int height, Color rentColor) {
   GOval shape = new GOval(x, y, width, height);
   shape.setFilled(true);
   shape.setColor(rentColor);
   add(shape);
 }
Esempio n. 23
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 private void startFall() {
   ball.move(vx, vy);
   pause(DELAY);
   ball.sendToBack();
 }