class Ball(pygame.sprite.Sprite):
def __init__(self,
initial_x,
initial_y,
radius=DEFAULT_RADIUS,
speed=[0, 0],
color=(0, 0, 0)):
pygame.sprite.Sprite.__init__(self)
self.speed = speed
self.radius = radius
self.rect = Rect(initial_x - self.radius, initial_y - self.radius,
self.radius * 2, self.radius * 2)
self.color = color
def move(self):
self.rect.move_ip(self.speed[X_SPEED], self.speed[Y_SPEED])
self.rect.clamp(SCREEN_RECT)
def draw(self, win):
pygame.draw.circle(win, self.color, self.rect.center, self.radius, 0)
