Author: our model links: segmentfault.com/a/119000001…
The development train of thought
Full project Address:
Github.com/371854496/p…
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- Introduce the required modules, configure the picture path, set the interface width and height background color, create the main entrance of the game.
#1 Import the required modules
import pygame
import random
#1 Configure the image address
IMAGE_PATH = 'imgs/'
#1 Set the page width and height
scrrr_width=800
scrrr_height =560
#1 Create a state that controls the end of the game
GAMEOVER = False
The main program # 1
class MainGame(a):
#1 Load the game window
def init_window(self):
Call initialization of the display module
pygame.display.init()
#1 Create window
MainGame.window = pygame.display.set_mode([scrrr_width,scrrr_height]) #
#1 Start the game
def start_game(self):
Initialize the window
self.init_window()
#1 Keep looping until the game is over
while not GAMEOVER:
#1 Render white background
MainGame.window.fill((255.255.255))
#1 Live updates
pygame.display.update()
1 Start the main program
if __name__ == '__main__':
game = MainGame()
game.start_game()
Copy the code- Text drawing, creating properties to change dynamically, rendering positions
#2 Create level number, score, remaining score, money number
shaoguan = 1
score = 0
remnant_score = 100
money = 200
#2 Text drawing
def draw_text(self, content, size, color):
pygame.font.init()
font = pygame.font.SysFont('kaiti', size)
text = font.render(content, True, color)
return text
#2 Load help tips
def load_help_text(self):
text1 = self.draw_text('1. Left click to create Sunflower 2. Right click to create Pea Shooter '.26, (255.0.0))
MainGame.window.blit(text1, (5.5))
#2 Render text and coordinate positions
MainGame.window.blit(self.draw_text('Current amount $: {}'.format(MainGame.money), 26, (255.0.0)), (500.40))
MainGame.window.blit(self.draw_text(
'Current level {}, score {}, still {} points away from the next level'.format(MainGame.shaoguan, MainGame.score, MainGame.remnant_score), 26,
(255.0.0)), (5.40))
self.load_help_text()
Copy the code- Create a map class, initialize the map and coordinates
Create a map class
class Map(a):
#3 Store two different color image names
map_names_list = [IMAGE_PATH + 'map1.png', IMAGE_PATH + 'map2.png']
Initialize the map
def __init__(self, x, y, img_index):
self.image = pygame.image.load(Map.map_names_list[img_index])
self.position = (x, y)
# Whether it can be planted
self.can_grow = True
#3 Load the map
def load_map(self):
MainGame.window.blit(self.image,self.position)
Store all map coordinate points
map_points_list = []
#3 Store all map blocks
map_list = []
Initialize coordinate points
def init_plant_points(self):
for y in range(1.7):
points = []
for x in range(10):
point = (x, y)
points.append(point)
MainGame.map_points_list.append(points)
print("MainGame.map_points_list", MainGame.map_points_list)
Initialize the map
def init_map(self):
for points in MainGame.map_points_list:
temp_map_list = list()
for point in points:
# map = None
if (point[0] + point[1]) % 2= =0:
map = Map(point[0] * 80, point[1] * 80.0)
else:
map = Map(point[0] * 80, point[1] * 80.1)
Add the map block to the window
temp_map_list.append(map)
print("temp_map_list", temp_map_list)
MainGame.map_list.append(temp_map_list)
print("MainGame.map_list", MainGame.map_list)
#3 Load the map into the window
def load_map(self):
for temp_map_list in MainGame.map_list:
for map in temp_map_list:
map.load_map()
Initialize coordinates and maps
self.init_plant_points()
self.init_map()
#3 requires repeatedly loading the map
self.load_map()
Copy the code- Create plant class, picture load error processing, load plant method
#4 Image loading error processing
LOG = 'Method :{} error in file :{}'.format(__file__,__name__)
# 4 plants
class Plant(pygame.sprite.Sprite):
def __init__(self):
super(Plant, self).__init__()
self.live=True
# loading images
def load_image(self):
if hasattr(self, 'image') and hasattr(self, 'rect'):
MainGame.window.blit(self.image, self.rect)
else:
print(LOG)
#4 Store a list of all plants
plants_list = []
Copy the code5. Create sunflower class
#5 Sunflower
class Sunflower(Plant):
def __init__(self,x,y):
super(Sunflower, self).__init__()
self.image = pygame.image.load('imgs/sunflower.png')
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
self.price = 50
self.hp = 100
#5 Time counter
self.time_count = 0
#5 Function: Generate sunshine (Produce money)
def produce_money(self):
self.time_count += 1
if self.time_count == 25:
MainGame.money += 5
self.time_count = 0
#5 Sunflower added to window
def display_sunflower(self):
MainGame.window.blit(self.image,self.rect)
Copy the code- Create the pea Shooter class
#6 Pea shooter
class PeaShooter(Plant):
def __init__(self,x,y):
super(PeaShooter, self).__init__()
# self. Image is a surface
self.image = pygame.image.load('imgs/peashooter.png')
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
self.price = 50
self.hp = 200
#6 Emission counter
self.shot_count = 0
#6 Added shooting methods
def shot(self):
#6 Record whether shots should be fired
should_fire = False
for zombie in MainGame.zombie_list:
if zombie.rect.y == self.rect.y and zombie.rect.x < 800 and zombie.rect.x > self.rect.x:
should_fire = True
#6 If alive
if self.live and should_fire:
self.shot_count += 1
# counter to 25 fire once
if self.shot_count == 25:
#6 Creates bullets based on the current pea shooter position
peabullet = PeaBullet(self)
#6 Stores the bullet in the bullet list
MainGame.peabullet_list.append(peabullet)
self.shot_count = 0
#6 Method to add pea shooter to window
def display_peashooter(self):
MainGame.window.blit(self.image,self.rect)
#6 Added pea-shooter shot processing
def load_plants(self):
for plant in MainGame.plants_list:
#6 Optimize processing logic for loading plants
if plant.live:
if isinstance(plant, Sunflower):
plant.display_sunflower()
plant.produce_money()
elif isinstance(plant, PeaShooter):
plant.display_peashooter()
plant.shot()
else:
MainGame.plants_list.remove(plant)
Call the method to load the plant
self.load_plants()
Copy the code- Create bullet class
#7 Pea bullets
class PeaBullet(pygame.sprite.Sprite):
def __init__(self,peashooter):
self.live = True
self.image = pygame.image.load('imgs/peabullet.png')
self.damage = 50
self.speed = 10
self.rect = self.image.get_rect()
self.rect.x = peashooter.rect.x + 60
self.rect.y = peashooter.rect.y + 15
def move_bullet(self):
#7 Move to the right within the screen
if self.rect.x < scrrr_width:
self.rect.x += self.speed
else:
self.live = False
#7 added bullet/zombie collision
def hit_zombie(self):
for zombie in MainGame.zombie_list:
if pygame.sprite.collide_rect(self,zombie):
After hitting a zombie, change the state of the bullet,
self.live = False
# Zombies bleed
zombie.hp -= self.damage
if zombie.hp <= 0:
zombie.live = False
self.nextLevel()
#7 Entry method
def nextLevel(self):
MainGame.score += 20
MainGame.remnant_score -=20
for i in range(1.100) :if MainGame.score==100*i and MainGame.remnant_score==0:
MainGame.remnant_score=100*i
MainGame.shaoguan+=1
MainGame.produce_zombie+=50
def display_peabullet(self):
MainGame.window.blit(self.image,self.rect)
Store a list of all pea bullets
peabullet_list = []
#7 Method of loading all bullets
def load_peabullets(self):
for b in MainGame.peabullet_list:
if b.live:
b.display_peabullet()
b.move_bullet()
#7 Calls the method to see if the bullet hit the zombie
b.hit_zombie()
else:
MainGame.peabullet_list.remove(b)
#7 Call the method to load all bullets
self.load_peabullets()
Copy the code- The event processing
#8 Event processing
def deal_events(self):
Get all events
eventList = pygame.event.get()
#8 Traverse the event list and judge
for e in eventList:
if e.type == pygame.QUIT:
self.gameOver()
elif e.type == pygame.MOUSEBUTTONDOWN:
# print(' press the mouse button ')
print(e.pos)
Print (e.button)# print(e.button)# print(e.button)# print(e.button)# print(e.button
x = e.pos[0] / /80
y = e.pos[1] / /80
print(x, y)
map = MainGame.map_list[y - 1][x]
print(map.position)
#8 Added map loading judgment and money judgment at build time
if e.button == 1:
if map.can_grow and MainGame.money >= 50:
sunflower = Sunflower(map.position[0], map.position[1])
MainGame.plants_list.append(sunflower)
print('Current plant list length :{}'.format(len(MainGame.plants_list)))
map.can_grow = False
MainGame.money -= 50
elif e.button == 3:
if map.can_grow and MainGame.money >= 50:
peashooter = PeaShooter(map.position[0], map.position[1])
MainGame.plants_list.append(peashooter)
print('Current plant list length :{}'.format(len(MainGame.plants_list)))
map.can_grow = False
MainGame.money -= 50
Call the event-handling method
self.deal_events()
Copy the code- Creating a zombie class
# 9 zombie class
class Zombie(pygame.sprite.Sprite):
def __init__(self,x,y):
super(Zombie, self).__init__()
self.image = pygame.image.load('imgs/zombie.png')
self.rect = self.image.get_rect()
self.rect.x = x
self.rect.y = y
self.hp = 1000
self.damage = 2
self.speed = 1
self.live = True
self.stop = False
#9 Zombie movement
def move_zombie(self):
if self.live and not self.stop:
self.rect.x -= self.speed
if self.rect.x < - 80.:
#8 Call the game end method
MainGame().gameOver()
#9 Determine if zombies have collided with plants, if so, call the plant attack method
def hit_plant(self):
for plant in MainGame.plants_list:
if pygame.sprite.collide_rect(self,plant):
#8 Zombie movement changes
self.stop = True
self.eat_plant(plant)
#9 Zombies attack plants
def eat_plant(self,plant):
Plant health has been reduced
plant.hp -= self.damage
#9 State modification after plant death, and map state modification
if plant.hp <= 0:
a = plant.rect.y // 80 - 1
b = plant.rect.x // 80
map = MainGame.map_list[a][b]
map.can_grow = True
plant.live = False
#8 Change the movement state of zombies
self.stop = False
#9 Load zombies into the map
def display_zombie(self):
MainGame.window.blit(self.image,self.rect)
#9 Added a list to store all zombies
zombie_list = []
count_zombie = 0
produce_zombie = 100
#9 Added a zombie initialization method
def init_zombies(self):
for i in range(1.7):
dis = random.randint(1.5) * 200
zombie = Zombie(800 + dis, i * 80)
MainGame.zombie_list.append(zombie)
#9 Load all zombies into the map
def load_zombies(self):
for zombie in MainGame.zombie_list:
if zombie.live:
zombie.display_zombie()
zombie.move_zombie()
# v2.0 calls the method on whether or not the plant is hit
zombie.hit_plant()
else:
MainGame.zombie_list.remove(zombie)
Call the zombie initialization method
self.init_zombies()
#9 Call the show zombie method
self.load_zombies()
The #9 counter grows and calls the zombie initialization method every time it reaches 100
MainGame.count_zombie += 1
if MainGame.count_zombie == MainGame.produce_zombie:
self.init_zombies()
MainGame.count_zombie = 0
#9 PyGame itself is dormant
pygame.time.wait(10)
Copy the code- Game End method
#10 Program end method
def gameOver(self):
MainGame.window.blit(self.draw_text('Game over'.50, (255.0.0)), (300.200))
pygame.time.wait(400)
global GAMEOVER
GAMEOVER = True
Copy the code