226 Chapter 9
Putting It All Together
Here’s the complete SmileyPop.py code.SmileyPop.py
import pygame
import random
BLACK = (0,0,0)
pygame.init()
screen = pygame.display.set_mode([800,600])
pygame.display.set_caption("Pop a Smiley")
mousedown = False
keep_going = True
clock = pygame.time.Clock()
pic = pygame.image.load("CrazySmile.bmp")
colorkey = pic.get_at((0,0))
pic.set_colorkey(colorkey)
sprite_list = pygame.sprite.Group()
class Smiley(pygame.sprite.Sprite):
pos = (0,0)
xvel = 1
yvel = 1
scale = 100
def init(self, pos, xvel, yvel):
pygame.sprite.Sprite.init(self)
self.image = pic
self.scale = random.randrange(10,100)
self.image = pygame.transform.scale(self.image, (self.scale,self.scale))
self.rect = self.image.get_rect()
self.pos = pos
self.rect.x = pos[0] - self.scale/2
self.rect.y = pos[1] - self.scale/2
self.xvel = xvel
self.yvel = yvel
def update(self):
self.rect.x += self.xvel
self.rect.y += self.yvel
if self.rect.x <= 0 or self.rect.x > screen.get_width() - self.scale:
self.xvel = -self.xvel
if self.rect.y <= 0 or self.rect.y > screen.get_height() - self.scale:
self.yvel = -self.yvel