import sys
import pygame
from pygame.locals import *
import os
import math
import random
def loadPng(name):
fullname = os.path.join(‘data’,name)
try:
image = pygame.image.load(fullname)
if image.get_alpha is None:
image = image.convert()
else:
image = image.convert_alpha()
except pygame.error as message:
print(“无法加载图片”,fullname)
raise SystemExit(message)
return image,image.get_rect()
class Ball(pygame.sprite.Sprite):
def init(self,xy,vector):
pygame.sprite.Sprite.init(self)
self.image,self.rect = loadPng(‘ball.png’)
screen = pygame.display.get_surface()
self.area = screen.get_rect()
self.vector = vector
self.hit = 0
def update(self):
newpos = self.calcnewpos(self.rect,self.vector)
self.rect = newpos
(angle,z) = self.vector
if not self.area.contains(newpos):
tl = not self.area.collidepoint(newpos.topleft)
tr = not self.area.collidepoint(newpos.topright)
bl = not self.area.collidepoint(newpos.bottomleft)
br = not self.area.collidepoint(newpos.bottomright)
if tr and tl or (br and bl):
angle = – angle
if tl and bl:
angle = math.pi – angle
if tr and br:
angle = math.pi – angle
else:
player1.rect.inflate(-3,-3)
player2.rect.inflate(-3,-3)
if self.rect.colliderect(player1.rect) == 1 and not self.hit:
angle = math.pi – angle
self.hit = not self.hit
elif self.rect.colliderect(player2.rect) == 1 and not self.hit:
angle = math.pi – angle
self.hit = not self.hit
elif self.hit:
self.hit = not self.hit
self.vector = (angle,z)
def calcnewpos(self,rect,vector):
(angle,z) = vector
(dx,dy) = (zmath.cos(angle),zmath.sin(angle))
return rect.move(dx,dy)
class Bat(pygame.sprite.Sprite):
def init(self,side):
pygame.sprite.Sprite.init(self)
self.image,self.rect = loadPng(‘bat.png’)
screen = pygame.display.get_surface()
self.area = screen.get_rect()
self.side = side
self.speed = 10
self.state = “still”
self.reinit()
def reinit(self):
self.state=”still”
self.movepos = [0,0]
if self.side == ‘left’:
self.rect.midleft = self.area.midleft
elif self.side == “right”:
self.rect.midright = self.area.midright
def update(self):
newpos = self.rect.move(self.movepos)
if self.area.contains(newpos):
self.rect = newpos
pygame.event.pump()
def moveup(self):
self.movepos[1] = self.movepos[1] – (self.speed)
self.state = “moveup”
def movedown(self):
self.movepos[1] = self.movepos[1] + (self.speed)
self.state = “movedown”
def main():
pygame.init()
screen = pygame.display.set_mode((640,480))
pygame.display.set_caption(‘basic’)
填充背景
background = pygame.Surface(screen.get_size())
background = background.convert()
background.fill((0,0,0))
选择一些基本文字
font = pygame.font.Font(None,36)
text = font.render(“hello there”,3,(10,10,10))
textpos = text.get_rect()
textpos.centerx = background.get_rect().centerx
background.blit(text,textpos)
画所有图
screen.blit(background,(0,0))
pygame.display.flip()
global player1
global player2
player1 = Bat(‘left’)
player2 = Bat(‘right’)
speed = 5
rand = ((0.1*(random.randint(5,8))))
ball = Ball((0,0),(0.45,speed))
playersprites = pygame.sprite.RenderPlain((player1,player2))
ballsprite = pygame.sprite.RenderPlain(ball)
screen.blit(background,(0,0))
pygame.display.flip()
clock = pygame.time.Clock()
事件
while True:
clock.tick(60)
for event in pygame.event.get():
if event.type == QUIT:
return
elif event.type == KEYDOWN:
if event.key == K_w:
player1.moveup()
if event.key == K_s:
player1.movedown()
if event.key == K_UP:
player2.moveup()
if event.key == K_DOWN:
player2.movedown()
elif event.type == KEYUP:
if event.key == K_w or event.key == K_s:
player1.movepos= [0,0]
player1.state = “still”
if event.key == K_UP or event.key == K_DOWN:
player2.movepos = [0,0]
player2.state = “still”
screen.blit(background,(0,0))
screen.blit(background,ball.rect,ball.rect)
screen.blit(background,player1.rect,player1.rect)
screen.blit(background,player2.rect,player2.rect)
ballsprite.update()
playersprites.update()
ballsprite.draw(screen)
playersprites.draw(screen)
pygame.display.flip()
if name == ‘main‘:
main()
Original: https://blog.csdn.net/weixin_31062007/article/details/112944804
Author: 不独行但是特立
Title: python3 pygame中画线实例_pyGame中的小游戏示例,pygame,例子
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