python - 我的实例的功能不起作用（Python3、Pygame）有问题，请检查我的代码？

Question

一直试图将我的主角变成我可以在游戏中调用的类。这是因为我知道由于计划实施敌人和可生成的道具，它会在开发的后期变得更加复杂。

出于某种原因，我的精灵将被绘制，但是让它检测到我的键然后移动（getkey，animandmove）的方法似乎不起作用，因为按下任何输入都不会移动它。请帮忙？

import pygame
from pygame.locals import *
import sys
import pyganim  # used for animations

pygame.init()
pygame.mixer.init()

WINDOWWIDTH = 1600
WINDOWHEIGHT = 900

# x = 100
# y = 100
# vel = 10
# width = 64
# height = 64
# moveleft = moveright = moveup = movedown = False
# direction = 'left'

background = pygame.image.load('sprites/background1.png')
leftidle = pygame.image.load("sprites/left.png")
rightidle = pygame.image.load("sprites/right.png")
upidle = pygame.image.load("sprites/up.png")
downidle = pygame.image.load("sprites/down.png")

charanim = {"walkleft": pyganim.PygAnimation(
[("sprites/left2.png", 100), ("sprites/left.png", 100), ("sprites/left3.png", 100), ("sprites/left.png", 10)]),
"walkright": pyganim.PygAnimation(
    [("sprites/right2.png", 100), ("sprites/right.png", 100), ("sprites/right3.png", 100),
     ("sprites/right.png", 10)]), "walkup": pyganim.PygAnimation(
    [("sprites/up2.png", 100), ("sprites/up.png", 100), ("sprites/up3.png", 100), ("sprites/up.png", 10)]),
"walkdown": pyganim.PygAnimation(
    [("sprites/down2.png", 100), ("sprites/down.png", 100), ("sprites/down3.png", 100), ("sprites/down.png", 10)])}
moveConductor = pyganim.PygConductor(charanim)

mainmenuanim = {"splashscreen": pyganim.PygAnimation([("sprites/splash1.png", 500), ("sprites/splash2.png", 500)])}
mainmenuConductor = pyganim.PygConductor(mainmenuanim)

muzzleflashanim = {"fire": pyganim.PygAnimation(
[("sprites/muzzleflash.png", 100), ("sprites/muzzleflash2.png", 100),                 ("sprites/muzzleflash3.png", 100),
 ("sprites/muzzleflash4.png", 100)])}

mainwin = pygame.display.set_mode((WINDOWWIDTH, WINDOWHEIGHT))
pygame.display.set_caption("2084 Ver 0.1.1.1")


def mainmenu():
global running
menulive = True
pygame.mixer.music.load('track0.ogg')
pygame.mixer.music.play(-1)
while menulive:
    mainmenuConductor.play()
    mainmenuanim["splashscreen"].blit(mainwin, (0, 0))
    for event in pygame.event.get():
        if event.type == KEYDOWN:
            if event.key == K_RETURN:
                pygame.mixer.music.stop()
                mainloop()

        if event.type == pygame.QUIT:
            running = False
            pygame.quit()

    pygame.display.update()


def mainloop():
global running
running = True
char1 = Character()
pygame.mixer.music.load("track1.ogg")
pygame.mixer.music.play(-1)
char1.__init__()
while running:
    mainwin.blit(background, (0, 0))
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
    char1.getkey()
    char1.animandmove()
    pygame.display.update()


class Character:

def __init__(self):
    self.x = 100
    self.y = 100
    self.vel = 10
    self.width = 64
    self.height = 64
    self.moveleft = False
    self.moveright = False
    self.moveup = False
    self.movedown = False
    self.direction = 'left'

def animandmove(self):
    if self.moveleft or self.moveright or self.moveup or self.movedown:
        moveConductor.play()

        # draws animations for each of the directions
        if self.direction == "left":
            charanim["walkleft"].blit(mainwin, (self.x, self.y))
        elif self.direction == "right":
            charanim["walkright"].blit(mainwin, (self.x, self.y))
        elif self.direction == "up":
            charanim["walkup"].blit(mainwin, (self.x, self.y))
        elif self.direction == "down":
            charanim["walkdown"].blit(mainwin, (self.x, self.y))

        # moving the physicial character
        if self.moveleft and self.x > 0:
            self.x -= self.vel
        if self.moveright and self.x < (WINDOWWIDTH - 64):
            self.x += self.vel
        if self.moveup and self.y > 0:
            self.y -= self.vel
        if self.movedown and self.y < (WINDOWHEIGHT - 64):
            self.y += self.vel
    else:
        moveConductor.stop()
        if self.direction == "left":
            mainwin.blit(pygame.image.load("sprites/left.png"), (self.x, self.y))
        elif self.direction == "right":
            mainwin.blit(pygame.image.load("sprites/right.png"), (self.x, self.y))
        elif self.direction == "up":
            mainwin.blit(pygame.image.load("sprites/up.png"), (self.x, self.y))
        elif self.direction == "down":
            mainwin.blit(pygame.image.load("sprites/down.png"), (self.x, self.y))

def getkey(self):
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
        elif event.type == KEYDOWN:
            if event.key == K_ESCAPE:
                pygame.quit()
                sys.exit()
            if event.key == K_LEFT or event.key == K_a:
                self.moveleft = True
                self.moveright = False
                if not self.moveup and not self.movedown:
                    self.direction = "left"
            elif event.key == K_RIGHT or event.key == K_d:
                self.moveleft = False
                self.moveright = True
                if not self.moveup and not self.movedown:
                    self.direction = "right"
            elif event.key == K_UP or event.key == K_w:
                self.moveup = True
                self.movedown = False
                if not self.moveleft and not self.moveright:
                    self.direction = "up"
            elif event.key == K_DOWN or event.key == K_s:
                self.moveup = False
                self.movedown = True
                if not self.moveleft and not self.moveright:
                    self.direction = "down"
        elif event.type == KEYUP:
            if event.key == K_LEFT or event.key == K_a:
                self.moveleft = False
                if self.moveup:
                    self.direction = "up"
                if self.movedown:
                    self.direction = "down"
            elif event.key == K_RIGHT or event.key == K_d:
                self.moveright = False
                if self.moveup:
                    self.direction = "up"
                if self.movedown:
                    self.direction = "down"
            elif event.key == K_UP or event.key == K_w:
                self.moveup = False
                if self.moveleft:
                    self.direction = "left"
                if self.moveright:
                    self.direction = "right"
            elif event.key == K_DOWN or event.key == K_s:
                self.movedown = False
                if self.moveleft:
                    self.direction = "left"
                if self.moveright:
                    self.direction = "right"

        pygame.display.update()


mainmenu()

pygame.quit()

标签： pythonclasspygame

Answer 1

主要问题是您有两个事件循环。

在您的主循环中，您调用pygame.event.get()以获取将清除事件队列的所有事件。

稍后，您pygame.event.get()再次拨入char1.getkey()。此时，事件队列已经为空（当然，反之亦然）。

修复它的简单方法是将每个事件从主循环传递到char1：

while running:
    mainwin.blit(background, (0, 0))
    for event in pygame.event.get():
        char1.getkey(event)
        if event.type == pygame.QUIT:
            pygame.quit()
    char1.animandmove()
    pygame.display.update()

并处理它们getkey：

def getkey(self, event):
    if event.type == ...
        ...

您的代码还有其他几个问题，但这超出了此问题/答案的范围。