当我用pygame制作的精灵时，图像没有变化，但是精灵确实下降了几个像素，这是应该发生的，因为应该将图像更改为鸭子图像和矩形变小。
import pygame
import random
import os
#Screen
WIDTH = 900
HEIGHT = 600
FPS = 30
#Colours
BLACK = (0, 0, 0)
WHITE = (255, 255, 255)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
# Setting up assets folder
# Path : "C:\Users\Ronit\source\repos\PythonApplication2\Game\img"
game_folder = os.path.dirname(__file__)
img_folder = os.path.join(game_folder, "img")
img_player = os.path.join(img_folder, "p1_stand.png")
img_folder2 = os.path.join(img_folder, "p1_left")
img_player2 = os.path.join(img_folder2, "pp1_stand.png")
png_walking = "p1_walk0"
png_walking2 = "pp1_walk0"
class Player(pygame.sprite.Sprite): #Sprite for player
def __init__(self): # Make the sprite
pygame.sprite.Sprite.__init__(self)
self.image = pygame.image.load(img_player).convert()
self.image.set_colorkey(BLACK) # this will not show the rectangle colour
self.rect = self.image.get_rect()
self.rect.center = (WIDTH / 2 , HEIGHT / 2 + 70)
#track ducking state
self.ducking = False
def move_right(self, pixels): # Move the sprite
self.rect.x += pixels
def move_left(self, pixels): # Move the sprite
self.rect.x -= pixels
def move_up(self, pixels):
self.rect.y -= pixels
if(self.rect.y > HEIGHT):
self.rect.right = 0
def player_moveRightPNG(self, pose):
walking_img = os.path.join(img_folder, "%s%s.png" % (png_walking, str(pose)))
self.image = pygame.image.load(walking_img).convert()
self.image.set_colorkey(BLACK) # this will not show the rectangle colour
def player_moveLeftPNG(self, pose):
walking_img2 = os.path.join(img_folder2, "%s%s.png" % (png_walking2, str(pose)))
self.image = pygame.image.load(walking_img2).convert()
self.image.set_colorkey(BLACK) # No rectangle colour
def player_defaultLeftPNG(self):
self.image = pygame.image.load(img_player2).convert()
self.image.set_colorkey(BLACK) # this will not show the rectange colour
def player_defaultRightPNG(self):
self.image = pygame.image.load(img_player).convert()
self.image.set_colorkey(BLACK) # this will not show the rectangle colour
def player_duckRight(self):
docking_player = os.path.join(img_folder, "p1_duck.png")
self.image = pygame.image.load(docking_player).convert()
self.image.set_colorkey(BLACK)
def player_duckLeft(self):
docking_player = os.path.join(img_folder, "pp1_duck.png")
self.image = pygame.image.load(docking_player).convert()
self.image.set_colorkey(BLACK)
def player_stand(self):
standing = os.path.join(img_folder, "p1_front.png")
self.image = pygame.image.load(standing)
self.image.set_colorkey(BLACK)
#revert the ducking state
if self.ducking:
self.ducking = False
self.rect.y = self.rect.y - 21
def duckRect(self):
#set our ducking state
self.ducking = True
self.rect.y = self.rect.y + 21
def walls(self):
if self.rect.right > WIDTH:
self.rect.right = WIDTH
if self.rect.left < 0:
self.rect.left = 0
def main():
# initialize pygame and create window
pygame.init() # initilize pygame
pygame.mixer.init() # initilize sound
pygame.display.init() # initilize display
screen = pygame.display.set_mode((WIDTH, HEIGHT)) # Create Window
pygame.display.set_caption("A game") #Show on top of the window
clock = pygame.time.Clock() # Handles the speed and uses FPS
background_folder = os.path.join(img_folder, "background")
background = os.path.join(background_folder, "bg.png")
screen_image = pygame.image.load(background).convert()
direction = None
last_direction = None
cnt = 1
all_sprites = pygame.sprite.Group()
player = Player()
all_sprites.add(player)
# Game Loop (Every game has it)
running = True
while running:
# Keeping the loop running at the right speed
clock.tick(FPS)
# Proccess input (events)
for event in pygame.event.get():
if (event.type == pygame.QUIT):
running = False
elif(event.type == pygame.KEYDOWN):
if(event.key == pygame.K_q):
running = False
keys = pygame.key.get_pressed()
if (keys[pygame.K_LEFT]):
player.move_left(5)
last_direction = pygame.K_LEFT
direction = pygame.K_LEFT
elif (keys[pygame.K_RIGHT]):
player.move_right(5)
last_direction = pygame.K_RIGHT
direction = pygame.K_RIGHT
elif (keys[pygame.K_UP]):
player.move_up(5)
direction = pygame.K_UP
elif(keys[pygame.K_DOWN]):
direction = pygame.K_DOWN
else:
direction = None
# Update
if (direction == pygame.K_RIGHT):
if (cnt == 12):
cnt = 1
player.player_moveRightPNG(cnt % 12)
cnt += 1
elif (direction == pygame.K_LEFT):
if (cnt == 12):
cnt = 1
player.player_moveLeftPNG(cnt % 12)
cnt += 1
else:
cnt = 1
player.player_defaultLeftPNG()
if (direction == pygame.K_DOWN and last_direction == pygame.K_RIGHT):
# import pdb; pdb.set_trace()
#only call duck if we just started ducking
if not player.ducking:
player.player_duckRight()
player.duckRect()
elif (direction == pygame.K_DOWN and last_direction == pygame.K_LEFT):
if not player.ducking:
player.player_duckLeft()
player.duckRect()
if(direction == None):
player.player_stand()
player.walls()
all_sprites.update()
#screen.fill(BLUE)
# Draw/Render
screen.blit(screen_image, [0, 0])
all_sprites.draw(screen)
# AFTER drawing everything, flip the display - Double Buffering (draws and flips instead of drawing instantly)
pygame.display.flip()
pygame.quit()
if __name__ == "__main__":
main()
如果您在Sprite类中查看我的闪避功能，则应该加载闪避图像，并且它们会加载1帧，然后其余帧是不同的站立图像。在代码的底部，您还可以看到按下DOWN键的更新，并且正在加载躲避图像（取决于精灵看起来的侧面）。