def step(): nonlocal vx, vy, ball, bricks_hit, balls_left, x_text, y_text collider = getCollidingObject() if ball.getX() < 0 or ball.getX() > GWINDOW_WIDTH - BALL_SIZE: vx *= -1 elif ball.getY() < 0: vy *= -1 elif ball.getY() > GWINDOW_HEIGHT - BALL_SIZE: timer.stop() gw.remove(ball) balls_left -= 1 if balls_left > 0: ball = GOval((GWINDOW_WIDTH - BALL_SIZE) / 2, (GWINDOW_HEIGHT - BALL_SIZE) / 2, BALL_SIZE, BALL_SIZE) ball.setFilled(True) gw.add(ball) gw.add(instruct) else: msg = GLabel('You Lose.') msg.setColor('red') msg.setFont('bold 36px sans-serif') x = (GWINDOW_WIDTH - msg.getWidth()) / 2 y = (GWINDOW_HEIGHT - msg.getHeight()) / 2 gw.add(msg, x, y) if collider == paddle: vy *= -1 elif not (collider == paddle or collider == gw.getElementAt( x_text, y_text)) and collider is not None: vy *= -1 gw.remove(collider) bricks_hit += 1 if bricks_hit == N_COLS * N_ROWS: timer.stop() msg = GLabel('You Win!') msg.setColor('green') msg.setFont('bold 36px sans-serif') x = (GWINDOW_WIDTH - msg.getWidth()) / 2 y = (GWINDOW_HEIGHT - msg.getHeight()) / 2 gw.add(msg, x, y) ball.move(vx, vy) gw.remove(gw.getElementAt(x_text, y_text)) lives = GLabel('Lives: ' + str(balls_left)) gw.add(lives, x_text, y_text)
def Breakout(): """ The main program for the Breakout game. """ def mousemoveAction(e): paddle_X = paddle.getX() dx = e.getX() - paddle_X if 0 <= dx + paddle_X <= GWINDOW_WIDTH - PADDLE_WIDTH: paddle.move(dx, 0) elif 0 > dx + paddle_X: paddle.setLocation(0, PADDLE_Y) else: paddle.setLocation(GWINDOW_WIDTH - PADDLE_WIDTH, PADDLE_Y) def AnimatedBall(): def step(): nonlocal vx, vy, ball, bricks_hit, balls_left, x_text, y_text collider = getCollidingObject() if ball.getX() < 0 or ball.getX() > GWINDOW_WIDTH - BALL_SIZE: vx *= -1 elif ball.getY() < 0: vy *= -1 elif ball.getY() > GWINDOW_HEIGHT - BALL_SIZE: timer.stop() gw.remove(ball) balls_left -= 1 if balls_left > 0: ball = GOval((GWINDOW_WIDTH - BALL_SIZE) / 2, (GWINDOW_HEIGHT - BALL_SIZE) / 2, BALL_SIZE, BALL_SIZE) ball.setFilled(True) gw.add(ball) gw.add(instruct) else: msg = GLabel('You Lose.') msg.setColor('red') msg.setFont('bold 36px sans-serif') x = (GWINDOW_WIDTH - msg.getWidth()) / 2 y = (GWINDOW_HEIGHT - msg.getHeight()) / 2 gw.add(msg, x, y) if collider == paddle: vy *= -1 elif not (collider == paddle or collider == gw.getElementAt( x_text, y_text)) and collider is not None: vy *= -1 gw.remove(collider) bricks_hit += 1 if bricks_hit == N_COLS * N_ROWS: timer.stop() msg = GLabel('You Win!') msg.setColor('green') msg.setFont('bold 36px sans-serif') x = (GWINDOW_WIDTH - msg.getWidth()) / 2 y = (GWINDOW_HEIGHT - msg.getHeight()) / 2 gw.add(msg, x, y) ball.move(vx, vy) gw.remove(gw.getElementAt(x_text, y_text)) lives = GLabel('Lives: ' + str(balls_left)) gw.add(lives, x_text, y_text) vx = random.choice([-1, 1]) * random.uniform(MIN_X_VELOCITY, MAX_X_VELOCITY) vy = INITIAL_Y_VELOCITY x_text = 20 y_text = GWINDOW_HEIGHT - 10 timer = gw.createTimer(step, TIME_STEP) timer.setRepeats(True) timer.start() def clickAction(e): gw.remove(instruct) AnimatedBall() def getCollidingObject(): loc = gw.getElementAt(ball.getX(), ball.getY()) if loc is not None: return loc else: loc = gw.getElementAt(ball.getX() + BALL_SIZE, ball.getY()) if loc is not None: return loc else: loc = gw.getElementAt(ball.getX(), ball.getY() + BALL_SIZE) if loc is not None: return loc else: loc = gw.getElementAt(ball.getX() + BALL_SIZE, ball.getY() + BALL_SIZE) return loc random.seed() gw = GWindow(GWINDOW_WIDTH, GWINDOW_HEIGHT) colors = [ 'red', 'red', 'orange', 'orange', 'green', 'green', 'cyan', 'cyan', 'blue', 'blue' ] for row in range(N_ROWS): for col in range(N_COLS): rect = GRect( ((GWINDOW_WIDTH - ((N_COLS * (BRICK_WIDTH + BRICK_SEP)) - BRICK_SEP)) / 2) + (row * (BRICK_WIDTH + BRICK_SEP)), (TOP_FRACTION * GWINDOW_HEIGHT) + (col * (BRICK_HEIGHT + BRICK_SEP)), BRICK_WIDTH, BRICK_HEIGHT) rect.setFilled(True) rect.setColor(colors[col]) gw.add(rect) paddle = GRect((GWINDOW_WIDTH - PADDLE_WIDTH) / 2, PADDLE_Y, PADDLE_WIDTH, PADDLE_HEIGHT) paddle.setFilled(True) gw.add(paddle) gw.addEventListener('mousemove', mousemoveAction) ball = GOval((GWINDOW_WIDTH - BALL_SIZE) / 2, (GWINDOW_HEIGHT - BALL_SIZE) / 2, BALL_SIZE, BALL_SIZE) ball.setFilled(True) gw.add(ball) gw.addEventListener('click', clickAction) instruct = GLabel('Click to Start!') instruct.setFont('bold 24px sans-serif') x_inst = (GWINDOW_WIDTH - instruct.getWidth()) / 2 y_inst = ((GWINDOW_HEIGHT - instruct.getHeight()) / 2) + (3 * BALL_SIZE) gw.add(instruct, x_inst, y_inst) balls_left = N_BALLS bricks_hit = 0