ball.py

Ball collision in Python

import sys, pygame
import winsound
class Ball:
    def __init__(self, width, height, image, speed):
              self.speed = speed
              self.image = pygame.image.load(image)
              self.width = width
              self.height = height
              self.size = self.get_size()
              self.c = 0
             
    
    def get_size(self):
              return self.image.get_rect()

    def move(self):
              self.size = self.size.move(self.speed)

    def boundary_collision(self):
              if self.size.left < 0 or self.size.right > self.width:
                   self.speed[0] = -self.speed[0]
                   self.c = self.c+1
              if self.size.top < 0 or self.size.bottom > self.height:
                   self.speed[1] = -self.speed[1]
                   self.c = self.c+1
              
    def blit(self):
              screen.blit(self.image, self.get_size())

    def ball_collision(self, other, sound):
              if self.check(self.size.left, self.size.top, self.size.right, self.size.bottom, other.size.left, other.size.top, other.size.right, other.size.bottom) == True:
                   winsound.Beep(sound,2)
                   temp = self.speed
                   self.speed = other.speed
                   other.speed = temp
              
    def check(self, xl, xt, xr, xb, yl, yt, yr, yb):
              if (self.inside(xl, xb, yl, yt, yr, yb) or self.inside(xl, xt, yl, yt, yr, yb) or self.inside(xr, xt, yl, yt, yr, yb) or self.inside(xr, xb, yl, yt, yr, yb)) == True:
                   return True
              else:
                   return False

    def inside(self, x, y, p1, p2, p3, p4):
              if x>p1 and x<p3 and y>p2 and y<p4:
                   return True
              else:
                   return False


pygame.init()
size = width,height = 700,700
speed = ([4,17], [15,19], [13,16], [12,5], [14,1], [2,9], [8,7], [3,18], [10,20], [11,6])
ball = []
sound = (40, 80, 100, 150, 50, 8000, 5000, 4000, 7000, 10000)
img = ("ballf.bmp", "ballf.bmp", "ballf.bmp", "ballf.bmp", "ballf.bmp", "ballf.bmp","ballf.bmp","ballf.bmp","ballf.bmp","ballf.bmp",)
for i in range(10):
 ball.append(Ball(width, height, img[i], speed[i]))

black = 0,0,0
screen = pygame.display.set_mode(size)
d = 0
while 1:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()
    for i in range(10):
       ball[i].move()
  
    for i in range(10):
        ball[i].boundary_collision()
        if ball[i].c > 0:
            d = d+1
    
    if d>9:
       for i in range(10):
           for j in range(10-i-1):
               ball[i].ball_collision(ball[i+j+1], sound[i])
       
    screen.fill(black)
    for i in range(10):
       screen.blit(ball[i].image, ball[i].size)
    pygame.display.flip()
    pygame.time.delay(15)