Python遊戲開發：Pygame的執行環境|案例執行與分析
一、pygame的視窗製作
開發壞境是vscode 1.43.0 python版本是3.7.6
程式碼
import pygame
from pygame.locals import *
import sys
def hello_world():
pygame.init()
pygame.display.set_mode((640,480))
pygame.display.set_caption("hello world")
while True:
for event in pygame.event.get():
if event.type==QUIT:
pygame.quit()
sys.exit()
pygame.display.update()
if __name__=="__main__":
hello_world()
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本期推送整理了初學者可能會用到的Python資料,含有書籍/視訊/線上文件和編輯器/源
程式碼,關於Ｐｙｔｈｏｎ的安裝qun：850973621
執行截圖
[圖片上傳中…(image-811ba7-1609830749905-10)]
二、遊戲案例1：坦克大戰
參考程式碼
import pygame,sys
from pygame.locals import *
def play_tank():
pygame.init()
window_size=(width,height)=(640,480)
speed=[1,1]
color_white=(255,255,255)
screen=pygame.display.set_mode(window_size)
pygame.display.set_caption("坦克大戰")
tank_image=pygame.image.load(r'tankU.bmp')
tank_rect=tank_image.get_rect()
while True:
for event in pygame.event.get():
if event.type==pygame.QUIT:
pygame.quit()
sys.exit()
tank_rect=tank_rect.move(speed)
if(tank_rect.left<0) or (tank_rect.right>width):
speed[0]=-speed[0]
if(tank_rect.top<0) or (tank_rect.bottom>height):
speed[1]=-speed[1]
screen.fill(color_white)
screen.blit(tank_image,tank_rect)
pygame.display.update()
if __name__=="__main__":
play_tank()
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完善程式碼
import pygame,sys
from pygame.locals import *
def play_tank():
pygame.init()
window_size=(width,height)=(640,480)
speed=[1,1]
color_white=(255,255,255)
screen=pygame.display.set_mode(window_size)
pygame.display.set_caption("坦克大戰")
tank_image=pygame.image.load(r'tankU.bmp')
tank_rect=tank_image.get_rect()
while True:
for event in pygame.event.get():
if event.type==pygame.QUIT:
pygame.quit()
sys.exit()
tank_rect=tank_rect.move(speed)
if(tank_rect.left<0) or (tank_rect.right>width):
speed[0]=-speed[0]
if(tank_rect.top<0) or (tank_rect.bottom>height):
speed[1]=-speed[1]
screen.fill(color_white)
screen.blit(tank_image,tank_rect)
pygame.display.update()
if __name__=="__main__":
play_tank()
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執行截圖
[圖片上傳中…(image-7e2237-1609830749905-9)]
三、精靈類測試
參考程式碼
import pygame,sys
pygame.init()
class Tank(pygame.sprite.Sprite):
def __init__(self,filename,initial_position):
pygame.sprite.Sprite.__init__(self)
self.image=pygame.image.load(filename)
self.rect=self.image.get_rect()
self.rect.bottomright=initial_position
screen=pygame.display.set_mode([640,480])
screen.fill([255,255,255])
fi='tankU.bmp'
b=Tank(fi,[150,100])
while True:
for event in pygame.event.get():
if event.type==pygame.QUIT:
pygame.quit()
sys.exit()
screen.blit(b.image,b.rect)
pygame.display.update()
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執行截圖
[圖片上傳中…(image-293c4a-1609830749905-8)]
完善程式碼
import pygame
from pygame.locals import *
class MySprite(pygame.sprite.Sprite):
def __init__(self,target):
pygame.sprite.Sprite.__init__(self)
self.sprite_surface=target
self.image=None
self.master_image=None
self.rect=None
self.topleft=0,0
self.frame=0
self.old_fram=-1
self.fram_width=1
self.fram_height=1
self.first_fram=0
self.last_fram=0
self.columns=1
self.last_time=0
def load(self,filename,width,height,columns):
self.master_image=pygame.image.load(filename).convert_alpha()
self.fram_width=width
self.fram_height=height
self.rect=0,0,width,height
self.columns=columns
rect=self.master_image.get_rect()
self.last_fram=(rect.width//width)*(rect.height//height)-1
def update(self,current_time,rate=60):
if current_time>self.last_time+rate:
self.frame+=1
if self.frame>self.last_fram:
self.frame=self.first_fram
self.last_time=current_time
if self.frame!=self.old_fram:
frame_x=(self.frame%self.columns)*self.fram_width
frame_y=(self.frame//self.columns)*self.fram_height
rect=(frame_x,frame_y,self.fram_width,self.fram_height)
self.image=self.master_image.subsurface(rect)
self.old_fram=self.frame
pygame.init()
screen=pygame.display.set_mode((800,600),0,32)
pygame.display.set_caption("精靈類測試")
font=pygame.font.Font(None,18)
framerate=pygame.time.Clock()
cat=MySprite(screen)
cat.load("sprite2.png",92,95,4)
group=pygame.sprite.Group()
group.add(cat)
while True:
framerate.tick(10)
ticks=pygame.time.get_ticks()
for event in pygame.event.get():
if event.type==pygame.QUIT:
pygame.quit()
exit()
key=pygame.key.get_pressed()
if key[pygame.K_ESCAPE]:
exit()
screen.fill((0,0,255))
cat.update(ticks)
screen.blit(cat.image,cat.rect)
pygame.display.update()
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執行截圖
[圖片上傳中…(image-ece9db-1609830749905-7)]
[圖片上傳中…(image-d72fcf-1609830749905-6)]
四、遊戲案例2：貪吃蛇
程式碼
import pygame,sys,time,random
from pygame.locals import *
pygame.init()
fpsClock=pygame.time.Clock()
playSurface=pygame.display.set_mode((640,480))
pygame.display.set_caption("貪吃蛇遊戲")
redColor=pygame.Color(255,0,0)
blackColor=pygame.Color(0,0,0)
whiteColor=pygame.Color(255,255,255)
greyColor=pygame.Color(150,150,150)
snakePosition=[100,100]
snakeSegments=[[100,100],[80,100],[60,100]]
raspberryPosition=[300,300]
raspberrySpawned=1
direction='right'
changeDirection=direction
def gameOver():
gameOverFont=pygame.font.Font('simfang.ttf',72)
gameOverSurf=gameOverFont.render('Game Over',True,greyColor)
gameOverRect=gameOverSurf.get_rect()
gameOverRect.midtop=(320,10)
playSurface.blit(gameOverSurf,gameOverRect)
pygame.display.flip()
time.sleep(5)
pygame.quit()
sys.exit()
while True:
for event in pygame.event.get():
if event.type==QUIT:
pygame.quit()
sys.exit()
elif event.type==KEYDOWN:
if event.key==K_RIGHT or event.key==ord('d'):
changeDirection='right'
if event.key==K_LEFT or event.key==ord('a'):
changeDirection='left'
if event.key==K_UP or event.key==ord('w'):
changeDirection='up'
if event.key==K_DOLLAR or event.key==ord('s'):
changeDirection='down'
if event.key==K_ESCAPE:
pygame.event.post(pygame.event.Event(QUIT))
if changeDirection=='right' and not direction=='left':
direction=changeDirection
if changeDirection=='left' and not direction=='right':
direction=changeDirection
if changeDirection=='up' and not direction=='down':
direction=changeDirection
if changeDirection=='down' and not direction=='up':
direction=changeDirection
if direction=='right':
snakePosition[0]+=20
if direction=='left':
snakePosition[0]-=20
if direction=='up':
snakePosition[1]-=20
if direction=='down':
snakePosition[1]+=20
snakeSegments.insert(0,list(snakePosition))
if snakePosition[0]==raspberryPosition[0] and snakePosition[1]==raspberryPosition[1]:
raspberrySpawned=0
else:
snakeSegments.pop()
if raspberrySpawned==0:
x=random.randrange(1,32)
y=random.randrange(1,24)
raspberryPosition=[int(x*20),int(y*20)]
raspberrySpawned=1
playSurface.fill(blackColor)
for position in snakeSegments:
pygame.draw.rect(playSurface,whiteColor,Rect(position[0],position[1],20,20))
pygame.draw.rect(playSurface,redColor,Rect(raspberryPosition[0],raspberryPosition[1],20,20))
pygame.display.flip()
if snakePosition[0]>620 or snakePosition[0] < 0:
gameOver()
if snakePosition[1] > 460 or snakePosition[1] < 0:
gameOver()
for snakeBody in snakeSegments[1:]:
if snakePosition[0]==snakeBody[0] and snakePosition[1]==snakeBody[1]:
gameOver()
fpsClock.tick(10)
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執行截圖
[圖片上傳中…(image-f7de1d-1609830749904-5)]
[圖片上傳中…(image-907908-1609830749904-4)]
五、遊戲案例3：打飛機
程式碼
import pygame
from sys import exit
from pygame.locals import *
import random
SCREEN_WIDTH=480
SCREEN_HEIGHT = 800
TYPE_SMALL=1
TYPE_MIDDLE=2
TYPE_BIG=3
class Bullet(pygame.sprite.Sprite):
def __init__(self, bullet_img, init_pos):
pygame.sprite.Sprite.__init__(self)
self.image = bullet_img
self.rect = self.image.get_rect()
self.rect.midbottom = init_pos
self.speed = 10
def move(self):
self.rect.top -= self.speed
class Player(pygame.sprite.Sprite):
def __init__(self, plane_img, player_rect, init_pos):
pygame.sprite.Sprite.__init__(self)
self.image = [] # 用來儲存玩家飛機圖片的列表
for i in range(len(player_rect)):
self.image.append(plane_img.subsurface(player_rect[i]).convert_alpha())
self.rect = player_rect[0] # 初始化圖片所在的矩形
self.rect.topleft = init_pos # 初始化矩形的左上角座標
self.speed = 8 # 初始化玩家飛機速度，這裡是一個確定的值
self.bullets = pygame.sprite.Group() # 玩家飛機所發射的子彈的集合
self.is_hit = False # 玩家是否被擊中
# 發射子彈
def shoot(self, bullet_img):
bullet = Bullet(bullet_img, self.rect.midtop)
self.bullets.add(bullet)
# 向上移動，需要判斷邊界
def moveUp(self):
if self.rect.top <= 0:
self.rect.top = 0
else:
self.rect.top -= self.speed
# 向下移動，需要判斷邊界
def moveDown(self):
if self.rect.top >= SCREEN_HEIGHT - self.rect.height:
self.rect.top = SCREEN_HEIGHT - self.rect.height
else:
self.rect.top += self.speed
# 向左移動，需要判斷邊界
def moveLeft(self):
if self.rect.left <= 0:
self.rect.left = 0
else:
self.rect.left -= self.speed
# 向右移動，需要判斷邊界
def moveRight(self):
if self.rect.left >= SCREEN_WIDTH - self.rect.width:
self.rect.left = SCREEN_WIDTH - self.rect.width
else:
self.rect.left += self.speed
class Enemy(pygame.sprite.Sprite):
def __init__(self, enemy_img, enemy_down_imgs, init_pos):
pygame.sprite.Sprite.__init__(self)
self.image = enemy_img
self.rect = self.image.get_rect()
self.rect.topleft = init_pos
self.down_imgs = enemy_down_imgs
self.speed = 2
def move(self):
self.rect.top += self.speed
pygame.init()
screen = pygame.display.set_mode((SCREEN_WIDTH, SCREEN_HEIGHT))
pygame.display.set_caption('Python打飛機大戰')
background = pygame.image.load('image/background.png').convert()
game_over = pygame.image.load('image/gameover.png')
plane_img = pygame.image.load('image/shoot.png')
player_rect = []
player_rect.append(pygame.Rect(0, 99, 102, 126)) # 玩家飛機圖片
player_rect.append(pygame.Rect(165, 234, 102, 126)) # 玩家爆炸圖片
player_pos = [200, 600]
player = Player(plane_img, player_rect, player_pos)
bullet_rect = pygame.Rect(1004, 987, 9, 21)
bullet_img = plane_img.subsurface(bullet_rect)
enemy1_rect = pygame.Rect(534, 612, 57, 43)
enemy1_img = plane_img.subsurface(enemy1_rect)
enemy1_down_imgs = plane_img.subsurface(pygame.Rect(267, 347, 57, 43))
enemies1 = pygame.sprite.Group()
enemies_down = pygame.sprite.Group()
shoot_frequency = 0
enemy_frequency = 0
score = 0
clock = pygame.time.Clock()
running = True
while running:
clock.tick(60)
if not player.is_hit:
if shoot_frequency % 15 == 0:
player.shoot(bullet_img)
shoot_frequency += 1
if shoot_frequency >= 15:
shoot_frequency = 0
if enemy_frequency % 50 == 0:
enemy1_pos = [random.randint(0, SCREEN_WIDTH - enemy1_rect.width), 0]
enemy1 = Enemy(enemy1_img, enemy1_down_imgs, enemy1_pos)
enemies1.add(enemy1)
enemy_frequency += 1
if enemy_frequency >= 100:
enemy_frequency = 0
for bullet in player.bullets:
# 以固定速度移動子彈
bullet.move()
# 移動出螢幕後刪除子彈
if bullet.rect.bottom < 0:
player.bullets.remove(bullet)
for enemy in enemies1:
#2\. 移動敵機
enemy.move()
#3\. 敵機與玩家飛機碰撞效果處理
if pygame.sprite.collide_circle(enemy, player):
enemies_down.add(enemy)
enemies1.remove(enemy)
player.is_hit = True
break
#4\. 移動出螢幕後刪除敵人
if enemy.rect.top < 0:
enemies1.remove(enemy)
#敵機被子彈擊中效果處理
#將被擊中的敵機物件新增到擊毀敵機 Group 中
enemies1_down = pygame.sprite.groupcollide(enemies1, player.bullets, 1, 1)
for enemy_down in enemies1_down:
enemies_down.add(enemy_down)
# 繪製背景
screen.fill(0)
screen.blit(background, (0, 0))
# 繪製玩家飛機
if not player.is_hit:
screen.blit(player.image[0], player.rect) #將正常飛機畫出來
else:
# 玩家飛機被擊中後的效果處理
screen.blit(player.image[1], player.rect) #將爆炸的飛機畫出來
running = False
# 敵機被子彈擊中效果顯示
for enemy_down in enemies_down:
enemies_down.remove(enemy_down)
score += 1
screen.blit(enemy_down.down_imgs, enemy_down.rect) #將爆炸的敵機畫出來
# 顯示子彈
player.bullets.draw(screen)
# 顯示敵機
enemies1.draw(screen)
# 繪製得分
score_font = pygame.font.Font(None, 36)
score_text = score_font.render('score: '+str(score), True, (128, 128, 128))
text_rect = score_text.get_rect()
text_rect.topleft = [10, 10]
screen.blit(score_text, text_rect)
pygame.display.update()
# 處理遊戲退出
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
# 獲取鍵盤事件（上下左右按鍵）
key_pressed = pygame.key.get_pressed()
# 處理鍵盤事件（移動飛機的位置）
if key_pressed[K_w] or key_pressed[K_UP]:
player.moveUp()
if key_pressed[K_s] or key_pressed[K_DOWN]:
player.moveDown()
if key_pressed[K_a] or key_pressed[K_LEFT]:
player.moveLeft()
if key_pressed[K_d] or key_pressed[K_RIGHT]:
player.moveRight()
# 遊戲 Game Over 後顯示最終得分
font = pygame.font.Font(None, 64)
text = font.render('Final Score: '+ str(score), True, (255, 0, 0))
text_rect = text.get_rect()
text_rect.centerx = screen.get_rect().centerx
text_rect.centery = screen.get_rect().centery + 24
screen.blit(game_over, (0, 0))
screen.blit(text, text_rect)
# 顯示得分並處理遊戲退出
while 1:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit()
pygame.display.update()
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執行截圖
[圖片上傳中…(image-a687ec-1609830749904-3)]
[圖片上傳中…(image-3357bf-1609830749904-2)]
六、遊戲案例4：2048
程式碼
import random
import sys
import pygame
from pygame.locals import *
PIXEL = 150
SCORE_PIXEL = 100
SIZE = 4
# 地圖的類
class Map:
def __init__(self, size):
self.size = size
self.score = 0
self.map = [[0 for i in range(size)] for i in range(size)]
self.add()
self.add()
# 新增2或4，有1/4概率產生4
def add(self):
while True:
p = random.randint(0, self.size * self.size - 1)
if self.map[p // self.size][p % self.size] == 0:
x = random.randint(0, 3) > 0 and 2 or 4
self.map[p // self.size][p % self.size] = x
self.score += x
break
# 地圖向左靠攏，其他方向的靠攏可以通過適當旋轉實現，返回地圖是否更新
def adjust(self):
changed = False
for a in self.map:
b = []
last = 0
for v in a:
if v != 0:
if v == last:
b.append(b.pop() << 1)
last = 0
else:
b.append(v)
last = v
b += [0] * (self.size - len(b))
for i in range(self.size):
if a[i] != b[i]:
changed = True
a[:] = b
return changed
# 逆時針旋轉地圖90度
def rotate90(self):
self.map = [[self.map[c][r] for c in range(self.size)] for r in reversed(range(self.size))]
# 判斷遊戲結束
def over(self):
for r in range(self.size):
for c in range(self.size):
if self.map[r][c] == 0:
return False
for r in range(self.size):
for c in range(self.size - 1):
if self.map[r][c] == self.map[r][c + 1]:
return False
for r in range(self.size - 1):
for c in range(self.size):
if self.map[r][c] == self.map[r + 1][c]:
return False
return True
def moveUp(self):
self.rotate90()
if self.adjust():
self.add()
self.rotate90()
self.rotate90()
self.rotate90()
def moveRight(self):
self.rotate90()
self.rotate90()
if self.adjust():
self.add()
self.rotate90()
self.rotate90()
def moveDown(self):
self.rotate90()
self.rotate90()
self.rotate90()
if self.adjust():
self.add()
self.rotate90()
def moveLeft(self):
if self.adjust():
self.add()
# 更新螢幕
def show(map):
for i in range(SIZE):
for j in range(SIZE):
# 背景顏色塊
screen.blit(map.map[i][j] == 0 and block[(i + j) % 2] or block[2 + (i + j) % 2], (PIXEL * j, PIXEL * i))
# 數值顯示
if map.map[i][j] != 0:
map_text = map_font.render(str(map.map[i][j]), True, (106, 90, 205))
text_rect = map_text.get_rect()
text_rect.center = (PIXEL * j + PIXEL / 2, PIXEL * i + PIXEL / 2)
screen.blit(map_text, text_rect)
# 分數顯示
screen.blit(score_block, (0, PIXEL * SIZE))
score_text = score_font.render((map.over() and "Game over with score " or "Score: ") + str(map.score), True,
(106, 90, 205))
score_rect = score_text.get_rect()
score_rect.center = (PIXEL * SIZE / 2, PIXEL * SIZE + SCORE_PIXEL / 2)
screen.blit(score_text, score_rect)
pygame.display.update()
map = Map(SIZE)
pygame.init()
screen = pygame.display.set_mode((PIXEL * SIZE, PIXEL * SIZE + SCORE_PIXEL))
pygame.display.set_caption("2048")
block = [pygame.Surface((PIXEL, PIXEL)) for i in range(4)]
# 設定顏色
block[0].fill((152, 251, 152))
block[1].fill((240, 255, 255))
block[2].fill((0, 255, 127))
block[3].fill((225, 255, 255))
score_block = pygame.Surface((PIXEL * SIZE, SCORE_PIXEL))
score_block.fill((245, 245, 245))
# 設定字型
map_font = pygame.font.Font(None, PIXEL)
score_font = pygame.font.Font(None, SCORE_PIXEL)
clock = pygame.time.Clock()
show(map)
while not map.over():
# 12為實驗引數
clock.tick(12)
for event in pygame.event.get():
if event.type == QUIT:
sys.exit()
# 接收玩家操作
pressed_keys = pygame.key.get_pressed()
if pressed_keys[K_w] or pressed_keys[K_UP]:
map.moveUp()
elif pressed_keys[K_s] or pressed_keys[K_DOWN]:
map.moveDown()
elif pressed_keys[K_a] or pressed_keys[K_LEFT]:
map.moveLeft()
elif pressed_keys[K_d] or pressed_keys[K_RIGHT]:
map.moveRight()
show(map)
# 遊戲結束
pygame.time.delay(3000)
複製程式碼
執行截圖
[圖片上傳中…(image-ddb846-1609830749904-1)]
[圖片上傳中…(image-57543a-1609830749904-0)]
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