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
