class Ball:
def __init__(self): ##constructor
self.center = Point()
self.velocity = Velocity()
self.center.reset_ball()
self.center.x = 200
self.center.y = 150
def draw(self): ##to draw the ball object
arcade.draw_circle_filled(self.center.x, self.center.y, BALL_RADIUS, (random.randint(0, 256), random.randint(0, 256), random.randint(0, 256)))
def advance(self): ##to handle the ball object movement
self.center.x += self.velocity.dx
self.center.y += self.velocity.dy
def bounce_horizontal(self): ## to handle the bounce of the ball in horizontal direction
self.velocity.dx *= -1
def bounce_vertical(self): ##to handle the bounce of the ball in vertical direction
self.velocity.dy *= -1
def restart(self): ##to restrat the ball in the game
self.center.reset_ball()
self.velocity.reset_velocity()
