Python 我无法在pygame中为我的玩家添加重力
我尝试在pygame中为我的玩家添加重力,但我可以用按键控制移动玩家,但重力不起作用,这里我使用了精灵类来实现这一点。我得到了图像的矩形,然后加上x动量和y动量。移动球员时,X动量起作用,但增加重力时,y动量不起作用。请帮忙Python 我无法在pygame中为我的玩家添加重力,python,pygame,Python,Pygame,我尝试在pygame中为我的玩家添加重力,但我可以用按键控制移动玩家,但重力不起作用,这里我使用了精灵类来实现这一点。我得到了图像的矩形,然后加上x动量和y动量。移动球员时,X动量起作用,但增加重力时,y动量不起作用。请帮忙 # Platformer import pygame # Basic Setup pygame.init() clock = pygame.time.Clock() # Game Colors white = (255, 255, 255) light_blue = (
# Platformer
import pygame
# Basic Setup
pygame.init()
clock = pygame.time.Clock()
# Game Colors
white = (255, 255, 255)
light_blue = (105, 142, 255)
# Game Settings
game_title = "Platformer!"
screen_width = 1280
screen_height = 750
fps = 120
player_speed = 4
player_gravity = 0.2
# Main Window
screen = pygame.display.set_mode((screen_width, screen_height))
pygame.display.set_caption(game_title)
class Player(pygame.sprite.Sprite):
def __init__(self):
super().__init__()
self.image = pygame.image.load("IMGs/player.png")
self.image.set_colorkey(white)
self.rect = self.image.get_rect(center=(screen_width / 2, screen_height / 2))
self.x_momentum = 0
self.y_momentum = 0
self.moving_right = False
self.moving_left = False
def move(self):
# Set the movement to zero at first
self.x_momentum = 0
self.y_momentum = 0
# Move the player on key press
if self.moving_right:
self.x_momentum += player_speed
elif self.moving_left:
self.x_momentum -= player_speed
# Add Gravity
self.y_momentum += player_gravity
# Move the player
self.rect.x += self.x_momentum
self.rect.y += self.y_momentum
def update(self):
self.move()
class Main:
def __init__(self):
# Sprites
self.all_sprites = pygame.sprite.Group()
# Player Sprite
self.player = Player()
self.all_sprites.add(self.player)
def draw(self, surface):
self.all_sprites.draw(surface)
def update(self):
self.all_sprites.update()
main_game = Main()
def main_game_loop():
while True:
# Handling Inputs
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit(0)
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_RIGHT or event.key == pygame.K_d:
main_game.player.moving_right = True
elif event.key == pygame.K_LEFT or event.key == pygame.K_a:
main_game.player.moving_left = True
if event.type == pygame.KEYUP:
if event.key == pygame.K_RIGHT or event.key == pygame.K_d:
main_game.player.moving_right = False
elif event.key == pygame.K_LEFT or event.key == pygame.K_a:
main_game.player.moving_left = False
# Draw / Render
screen.fill(light_blue)
main_game.draw(screen)
main_game.update()
pygame.display.update()
# Manage Speed
clock.tick(fps)
main_game_loop()
重力不起作用,因为在玩家移动开始时,self.y_动量设置为0:
职业玩家(pygame.sprite.sprite):
# [...]
def移动(自我):
#首先将移动设置为零
self.x_动量=0
self.y_动量=0
# [...]
因为它应该表示屏幕上的一个区域,所以pygame.Rect
对象只能存储整数数据
Rect对象的坐标都是整数。[……]
当存储在Rect对象中的位置递减时,坐标的分数部分丢失:
#移动播放器
self.rect.x+=self.x_动量
self.rect.y+=self.y\u动量
如果要以浮点精度存储对象位置,则必须将对象位置分别存储在单独的变量属性中,并同步pygame.Rect
对象。坐标并将其分配到矩形的位置(例如.topleft
):
职业玩家(pygame.sprite.sprite):
定义初始化(自):
# [...]
self.x=屏幕宽度//2
self.y=屏幕高度//2
self.rect=self.image.get_rect(中心=(self.x,self.y))
# [...]
def移动(自我):
# [...]
#移动玩家
self.x+=self.x_动量
self.y+=self.y\u动量
self.rect.topleft=圆形(self.x),圆形(self.y)