前言-小游戏Demo
开发环境:win10
开发工具:pycharm + pyqt5
我这里就直接上代码了。。还有很多地方可以改进!欢迎大家多多指点
from pygame.locals import *
from random import randint
import pygame
import time
class Apple:
x = 0
y = 0
step = 44
def __init__(self, x, y):
self.x = x * self.step
self.y = y * self.step
def draw(self, surface, image):
surface.blit(image, (self.x, self.y))
class Player:
x = [0]
y = [0]
step = 44
direction = 0
length = 3
updateCountMax = 2
updateCount = 0
def __init__(self, length):
self.length = length
for i in range(0, 2000):
self.x.append(-100)
self.y.append(-100)
# 初始化位置
self.x[1] = 1 * 44
self.x[2] = 2 * 44
def update(self):
self.updateCount = self.updateCount + 1
if self.updateCount > self.updateCountMax:
# 更新以前的位置
for i in range(self.length - 1, 0, -1):
self.x[i] = self.x[i - 1]
self.y[i] = self.y[i - 1]
#更新蛇头的位置
if self.direction == 0:
self.x[0] = self.x[0] + self.step
if self.direction == 1:
self.x[0] = self.x[0] - self.step
if self.direction == 2:
self.y[0] = self.y[0] - self.step
if self.direction == 3:
self.y[0] = self.y[0] + self.step
self.updateCount = 0
def moveRight(self):
self.direction = 0
def moveLeft(self):
self.direction = 1
def moveUp(self):
self.direction = 2
def moveDown(self):
self.direction = 3
def draw(self, surface, image):
for i in range(0, self.length):
surface.blit(image, (self.x[i], self.y[i]))
# 碰撞检测(使用同样的isCollision方法来判断蛇是否与自身发生碰撞)
class Game:
def isCollision(self, x1, y1, x2, y2, bsize):
if x1 >= x2 and x1 <= x2 + bsize:
if y1 >= y2 and y1 <= y2 + bsize:
return True
return False
class App:
windowWidth = 800
windowHeight = 600
player = 0
apple = 0
def __init__(self):
self._running = True
self._display_surf = None
self._image_surf = None
self._apple_surf = None
self.game = Game()
self.player = Player(3)
self.apple = Apple(5, 5)
def on_init(self):
pygame.init()
self._display_surf = pygame.display.set_mode((self.windowWidth, self.windowHeight), pygame.HWSURFACE)
pygame.display.set_caption('Pygame pythonspot.com example')
self._running = True
# 加载图片
self._image_surf = pygame.image.load("block.png").convert()
self._apple_surf = pygame.image.load("block.png").convert()
def on_event(self, event):
if event.type == QUIT:
self._running = False
def on_loop(self):
self.player.update()
for i in range(0, self.player.length):
if self.game.isCollision(self.apple.x, self.apple.y, self.player.x[i], self.player.y[i], 44):
self.apple.x = randint(2, 9) * 44
self.apple.y = randint(2, 9) * 44
self.player.length = self.player.length + 1
# 蛇与自身碰撞
for i in range(2, self.player.length):
if self.game.isCollision(self.player.x[0], self.player.y[0], self.player.x[i], self.player.y[i], 40):
print("You lose! Collision: ")
print("x[0] (" + str(self.player.x[0]) + "," + str(self.player.y[0]) + ")")
print("x[" + str(i) + "] (" + str(self.player.x[i]) + "," + str(self.player.y[i]) + ")")
exit(0)
pass
def on_render(self):
self._display_surf.fill((0, 0, 0))
self.player.draw(self._display_surf, self._image_surf)
self.apple.draw(self._display_surf, self._apple_surf)
pygame.display.flip()
def on_cleanup(self):
pygame.quit()
def on_execute(self):
if self.on_init() == False:
self._running = False
while (self._running):
pygame.event.pump()
keys = pygame.key.get_pressed()
if (keys[K_RIGHT]):
self.player.moveRight()
if (keys[K_LEFT]):
self.player.moveLeft()
if (keys[K_UP]):
self.player.moveUp()
if (keys[K_DOWN]):
self.player.moveDown()
if (keys[K_ESCAPE]):
self._running = False
self.on_loop()
self.on_render()
time.sleep(50.0 / 1000.0);
self.on_cleanup()
if __name__ == "__main__":
theApp = App()
theApp.on_execute()
运行效果:
虽然还有些BUG,但是还是可以过吧手瘾玩一把。。哈哈