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‎yeke/README.md‎

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+ [py-counter](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-counter) ：不到 100 行 Python 代码写个计算器
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+ [py-tank](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-tank) ：用 Python 写个坦克大战
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+ [py-scratch](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-scratch) ：不到 50 行 Python 代码，做个刮刮卡
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+ [py-xxl](https://github.com/JustDoPython/python-examples/tree/master/yeke/py-xxl) ：用 Python 写个消消乐小游戏
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‎yeke/py-xxl/__init__.py‎

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‎yeke/py-xxl/py_xxl.py‎

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import os
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import sys
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import time
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import pygame
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import random
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WIDTH = 400
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HEIGHT = 400
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NUMGRID = 8
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GRIDSIZE = 36
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XMARGIN = (WIDTH - GRIDSIZE * NUMGRID) // 2
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YMARGIN = (HEIGHT - GRIDSIZE * NUMGRID) // 2
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ROOTDIR = os.getcwd()
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FPS = 30
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# 拼图类
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class Puzzle(pygame.sprite.Sprite):
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def __init__(self, img_path, size, position, downlen, **kwargs):
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pygame.sprite.Sprite.__init__(self)
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self.image = pygame.image.load(img_path)
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self.image = pygame.transform.smoothscale(self.image, size)
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self.rect = self.image.get_rect()
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self.rect.left, self.rect.top = position
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self.downlen = downlen
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self.target_x = position[0]
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self.target_y = position[1] + downlen
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self.type = img_path.split('/')[-1].split('.')[0]
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self.fixed = False
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self.speed_x = 10
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self.speed_y = 10
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self.direction = 'down'
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# 拼图块移动
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def move(self):
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if self.direction == 'down':
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self.rect.top = min(self.target_y, self.rect.top+self.speed_y)
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if self.target_y == self.rect.top:
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self.fixed = True
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elif self.direction == 'up':
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self.rect.top = max(self.target_y, self.rect.top-self.speed_y)
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if self.target_y == self.rect.top:
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self.fixed = True
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elif self.direction == 'left':
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self.rect.left = max(self.target_x, self.rect.left-self.speed_x)
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if self.target_x == self.rect.left:
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self.fixed = True
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elif self.direction == 'right':
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self.rect.left = min(self.target_x, self.rect.left+self.speed_x)
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if self.target_x == self.rect.left:
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self.fixed = True
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# 获取坐标
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def getPosition(self):
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return self.rect.left, self.rect.top
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# 设置坐标
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def setPosition(self, position):
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self.rect.left, self.rect.top = position
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# 游戏类
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class Game():
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def __init__(self, screen, font, gem_imgs, **kwargs):
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self.screen = screen
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self.font = font
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self.gem_imgs = gem_imgs
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self.reset()
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# 开始游戏
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def start(self):
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clock = pygame.time.Clock()
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# 遍历整个游戏界面更新位置
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overall_moving = True
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# 指定某些对象个体更新位置
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individual_moving = False
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gem_selected_xy = None
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gem_selected_xy2 = None
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swap_again = False
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add_score = 0
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add_score_showtimes = 10
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time_pre = int(time.time())
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# 游戏主循环
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while True:
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for event in pygame.event.get():
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if event.type == pygame.QUIT or (event.type == pygame.KEYUP and event.key == pygame.K_ESCAPE):
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pygame.quit()
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sys.exit()
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elif event.type == pygame.MOUSEBUTTONUP:
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if (not overall_moving) and (not individual_moving) and (not add_score):
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position = pygame.mouse.get_pos()
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if gem_selected_xy is None:
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gem_selected_xy = self.checkSelected(position)
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else:
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gem_selected_xy2 = self.checkSelected(position)
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if gem_selected_xy2:
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if self.swapGem(gem_selected_xy, gem_selected_xy2):
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individual_moving = True
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swap_again = False
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else:
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gem_selected_xy = None
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if overall_moving:
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overall_moving = not self.dropGems(0, 0)
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# 移动一次可能拼出多个 3 连块
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if not overall_moving:
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res_match = self.isMatch()
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add_score = self.removeMatched(res_match)
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if add_score > 0:
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overall_moving = True
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if individual_moving:
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gem1 = self.getGemByPos(*gem_selected_xy)
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gem2 = self.getGemByPos(*gem_selected_xy2)
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gem1.move()
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gem2.move()
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if gem1.fixed and gem2.fixed:
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res_match = self.isMatch()
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if res_match[0] == 0 and not swap_again:
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swap_again = True
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self.swapGem(gem_selected_xy, gem_selected_xy2)
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else:
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add_score = self.removeMatched(res_match)
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overall_moving = True
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individual_moving = False
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gem_selected_xy = None
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gem_selected_xy2 = None
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self.screen.fill((255, 255, 220))
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self.drawGrids()
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self.gems_group.draw(self.screen)
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if gem_selected_xy:
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self.drawBlock(self.getGemByPos(*gem_selected_xy).rect)
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if add_score:
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self.drawAddScore(add_score)
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add_score_showtimes -= 1
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if add_score_showtimes < 1:
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add_score_showtimes = 10
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add_score = 0
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self.remaining_time -= (int(time.time()) - time_pre)
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time_pre = int(time.time())
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self.showRemainingTime()
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self.drawScore()
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if self.remaining_time <= 0:
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return self.score
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pygame.display.update()
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clock.tick(FPS)
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# 初始化
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def reset(self):
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# 随机生成各个块
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while True:
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self.all_gems = []
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self.gems_group = pygame.sprite.Group()
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for x in range(NUMGRID):
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self.all_gems.append([])
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for y in range(NUMGRID):
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gem = Puzzle(img_path=random.choice(self.gem_imgs), size=(GRIDSIZE, GRIDSIZE), position=[XMARGIN+x*GRIDSIZE, YMARGIN+y*GRIDSIZE-NUMGRID*GRIDSIZE], downlen=NUMGRID*GRIDSIZE)
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self.all_gems[x].append(gem)
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self.gems_group.add(gem)
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if self.isMatch()[0] == 0:
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break
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# 得分
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self.score = 0
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# 拼出一个的奖励
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self.reward = 10
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# 设置总时间
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self.remaining_time = 500
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# 显示剩余时间
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def showRemainingTime(self):
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remaining_time_render = self.font.render('倒计时: %ss' % str(self.remaining_time), 1, (85, 65, 0))
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rect = remaining_time_render.get_rect()
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rect.left, rect.top = (WIDTH-190, 15)
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self.screen.blit(remaining_time_render, rect)
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# 显示得分
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def drawScore(self):
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score_render = self.font.render('分数:'+str(self.score), 1, (85, 65, 0))
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rect = score_render.get_rect()
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rect.left, rect.top = (55, 15)
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self.screen.blit(score_render, rect)
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# 显示加分
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def drawAddScore(self, add_score):
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score_render = self.font.render('+'+str(add_score), 1, (255, 100, 100))
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rect = score_render.get_rect()
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rect.left, rect.top = (250, 250)
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self.screen.blit(score_render, rect)
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# 生成新的拼图块
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def generateNewGems(self, res_match):
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if res_match[0] == 1:
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start = res_match[2]
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while start > -2:
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for each in [res_match[1], res_match[1]+1, res_match[1]+2]:
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gem = self.getGemByPos(*[each, start])
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if start == res_match[2]:
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self.gems_group.remove(gem)
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self.all_gems[each][start] = None
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elif start >= 0:
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gem.target_y += GRIDSIZE
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gem.fixed = False
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gem.direction = 'down'
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self.all_gems[each][start+1] = gem
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else:
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gem = Puzzle(img_path=random.choice(self.gem_imgs), size=(GRIDSIZE, GRIDSIZE), position=[XMARGIN+each*GRIDSIZE, YMARGIN-GRIDSIZE], downlen=GRIDSIZE)
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self.gems_group.add(gem)
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self.all_gems[each][start+1] = gem
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start -= 1
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elif res_match[0] == 2:
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start = res_match[2]
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while start > -4:
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if start == res_match[2]:
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for each in range(0, 3):
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gem = self.getGemByPos(*[res_match[1], start+each])
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self.gems_group.remove(gem)
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self.all_gems[res_match[1]][start+each] = None
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elif start >= 0:
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gem = self.getGemByPos(*[res_match[1], start])
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gem.target_y += GRIDSIZE * 3
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gem.fixed = False
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gem.direction = 'down'
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self.all_gems[res_match[1]][start+3] = gem
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else:
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gem = Puzzle(img_path=random.choice(self.gem_imgs), size=(GRIDSIZE, GRIDSIZE), position=[XMARGIN+res_match[1]*GRIDSIZE, YMARGIN+start*GRIDSIZE], downlen=GRIDSIZE*3)
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self.gems_group.add(gem)
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self.all_gems[res_match[1]][start+3] = gem
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start -= 1
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# 移除匹配的元素
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def removeMatched(self, res_match):
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if res_match[0] > 0:
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self.generateNewGems(res_match)
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self.score += self.reward
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return self.reward
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return 0
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# 游戏界面的网格绘制
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def drawGrids(self):
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for x in range(NUMGRID):
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for y in range(NUMGRID):
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rect = pygame.Rect((XMARGIN+x*GRIDSIZE, YMARGIN+y*GRIDSIZE, GRIDSIZE, GRIDSIZE))
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self.drawBlock(rect, color=(255, 165, 0), size=1)
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# 画矩形 block 框
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def drawBlock(self, block, color=(255, 0, 0), size=2):
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pygame.draw.rect(self.screen, color, block, size)
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# 下落特效
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def dropGems(self, x, y):
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if not self.getGemByPos(x, y).fixed:
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self.getGemByPos(x, y).move()
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if x < NUMGRID-1:
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x += 1
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return self.dropGems(x, y)
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elif y < NUMGRID-1:
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x = 0
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y += 1
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return self.dropGems(x, y)
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else:
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return self.isFull()
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# 是否每个位置都有拼图块了
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def isFull(self):
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for x in range(NUMGRID):
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for y in range(NUMGRID):
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if not self.getGemByPos(x, y).fixed:
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return False
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return True
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# 检查有无拼图块被选中
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def checkSelected(self, position):
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for x in range(NUMGRID):
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for y in range(NUMGRID):
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if self.getGemByPos(x, y).rect.collidepoint(*position):
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return [x, y]
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return None
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# 是否有连续一样的三个块
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def isMatch(self):
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for x in range(NUMGRID):
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for y in range(NUMGRID):
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if x + 2 < NUMGRID:
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if self.getGemByPos(x, y).type == self.getGemByPos(x+1, y).type == self.getGemByPos(x+2, y).type:
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return [1, x, y]
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if y + 2 < NUMGRID:
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if self.getGemByPos(x, y).type == self.getGemByPos(x, y+1).type == self.getGemByPos(x, y+2).type:
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return [2, x, y]
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return [0, x, y]
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# 根据坐标获取对应位置的拼图对象
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def getGemByPos(self, x, y):
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return self.all_gems[x][y]
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# 交换拼图
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def swapGem(self, gem1_pos, gem2_pos):
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margin = gem1_pos[0] - gem2_pos[0] + gem1_pos[1] - gem2_pos[1]
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if abs(margin) != 1:
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return False
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gem1 = self.getGemByPos(*gem1_pos)
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gem2 = self.getGemByPos(*gem2_pos)
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if gem1_pos[0] - gem2_pos[0] == 1:
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gem1.direction = 'left'
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gem2.direction = 'right'
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elif gem1_pos[0] - gem2_pos[0] == -1:
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gem2.direction = 'left'
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gem1.direction = 'right'
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elif gem1_pos[1] - gem2_pos[1] == 1:
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gem1.direction = 'up'
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gem2.direction = 'down'
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elif gem1_pos[1] - gem2_pos[1] == -1:
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gem2.direction = 'up'
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gem1.direction = 'down'
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gem1.target_x = gem2.rect.left
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gem1.target_y = gem2.rect.top
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gem1.fixed = False
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gem2.target_x = gem1.rect.left
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gem2.target_y = gem1.rect.top
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gem2.fixed = False
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self.all_gems[gem2_pos[0]][gem2_pos[1]] = gem1
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self.all_gems[gem1_pos[0]][gem1_pos[1]] = gem2
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return True
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def __repr__(self):
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return self.info
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# 初始化游戏
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def gameInit():
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pygame.init()
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screen = pygame.display.set_mode((WIDTH, HEIGHT))
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pygame.display.set_caption('消消乐')
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# 加载字体
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font = pygame.font.Font(os.path.join(ROOTDIR, 'resources/simsun.ttc'), 25)
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# 加载图片
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gem_imgs = []
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for i in range(1, 8):
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gem_imgs.append(os.path.join(ROOTDIR, 'resources/images/gem%s.png' % i))
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game = Game(screen, font, gem_imgs)
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while True:
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score = game.start()
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flag = False
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# 设置退出、重新开始
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while True:
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for event in pygame.event.get():
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if event.type == pygame.QUIT:
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pygame.quit()
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sys.exit()
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if event.type == pygame.KEYUP and event.key == pygame.K_r:
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flag = True
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if flag:
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break
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screen.fill((255, 255, 220))
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text0 = '最终得分: %s' % score
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text1 = '按 R 键重新开始'
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y = 140
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for idx, text in enumerate([text0, text1]):
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text_render = font.render(text, 1, (85, 65, 0))
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rect = text_render.get_rect()
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if idx == 0:
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rect.left, rect.top = (100, y)
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elif idx == 1:
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rect.left, rect.top = (100, y)
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y += 60
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screen.blit(text_render, rect)
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pygame.display.update()
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game.reset()
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if __name__ == '__main__':
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gameInit()

‎yeke/py-xxl/resources/images/gem1.png‎

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‎yeke/py-xxl/resources/images/gem2.png‎

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‎yeke/py-xxl/resources/images/gem3.png‎

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‎yeke/py-xxl/resources/images/gem4.png‎

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‎yeke/py-xxl/resources/images/gem5.png‎

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‎yeke/py-xxl/resources/images/gem6.png‎

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‎yeke/py-xxl/resources/images/gem7.png‎

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