Question

首先，我已经浏览了互联网（包括Stack Overflow）以回答我看似简单的问题，但我还没有找到适用于我的修复程序。我试图在pygame中制作一个简单的自上而下游戏，并且一直运行良好，直到我为玩家添加了一个步行动画。动画很好，只是它在某些点闪烁。

我也为玩家提供了空闲动画，但没有任何闪烁。空闲动画有2帧，步行动画有4帧，这让我怀疑问题在于帧数。

下面我将代码粘贴到我认为问题所在的代码以及此链接（https://imgur.com/P1CzyRX）到步行动画的gif。如果带有代码和图像的zip文件最好，我也非常乐意提供。最后，我知道我的一些编码习惯不是最好的，例如使用全局变量，所以我希望任何阅读我的代码的人都不会为此烦恼。非常感谢，这意味着很多！

class Player:
    def drawPlayer(self):
        global playerCounter, playerWalking

        if playerWalking == "false":
            if player1Facing == "front":
                player1.loopIdle(playerIdleFrontAnim)
            if player1Facing == "back":
                player1.loopIdle(playerIdleBackAnim)
            if player1Facing == "right":
                player1.loopIdle(playerIdleRightAnim)
            if player1Facing == "left":
                player1.loopIdle(playerIdleLeftAnim)

        elif playerWalking == "true":
            if player1Facing == "front":
                player1.loopWalking(playerWalkFrontAnim)
            if player1Facing == "back":
                player1.loopWalking(playerWalkBackAnim)
            if player1Facing == "right":
                player1.loopWalking(playerWalkRightAnim)
            if player1Facing == "left":
                player1.loopWalking(playerWalkLeftAnim)

    def loopWalking(self, animation):
        global playerCounter, currentPlayerStance

        if playerCounter <= playerWalkMax:
            screen.blit(animation[0], (player1X, player1Y))
            currentPlayerStance = "upright"
        elif (playerCounter > playerWalkMax) and (playerCounter < playerWalkMax * 2):
            screen.blit(animation[1], (player1X, player1Y))
            currentPlayerStance = "crouch"
        elif (playerCounter > (playerWalkMax * 2)) and (playerCounter < playerWalkMax * 3):
            screen.blit(animation[2], (player1X, player1Y))
            currentPlayerStance = "upright"
        elif playerCounter > playerWalkMax * 3:
            screen.blit(animation[3], (player1X, player1Y))
            currentPlayerStance = "crouch"
            if playerCounter >= playerWalkMax * 4:
                playerCounter = 0

        playerCounter += 1

    def loopIdle(self, animation):
        global playerCounter, currentPlayerStance

        if playerCounter <= playerIdleMax:
            screen.blit(animation[0], (player1X, player1Y))
            currentPlayerStance = "upright"
        elif playerCounter > playerIdleMax:
            screen.blit(animation[1], (player1X, player1Y))
            currentPlayerStance = "crouch"
            if playerCounter >= (playerIdleMax * 2):
                playerCounter = 0

        playerCounter += 1



player1 = Player()

done = 0
clock = pygame.time.Clock()
while not done:
    for event in pygame.event.get():

        if event.type == pygame.QUIT:
            done = 1

        elif event.type == pygame.KEYDOWN:
            player1XSpeed = 0
            player1YSpeed = 0
            if event.key == pygame.K_ESCAPE:
                done = 1
            elif event.key == pygame.K_LEFT:
                if player1Facing != "left":
                    player1Facing = "left"
                player1XSpeed = -player1SpeedVal
                playerWalking = "true"
            elif event.key == pygame.K_RIGHT:
                if player1Facing != "right":
                    player1Facing = "right"
                player1XSpeed = player1SpeedVal
                playerWalking = "true"
            elif event.key == pygame.K_UP:
                if player1Facing != "back":
                    player1Facing = "back"
                player1YSpeed = -player1SpeedVal
                playerWalking = "true"
            elif event.key == pygame.K_DOWN:
                if player1Facing != "front":
                    player1Facing = "front"
                player1YSpeed = player1SpeedVal
                playerWalking = "true"

        elif event.type == pygame.KEYUP:
            playerWalking = "false"
            if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
                player1XSpeed = 0
            elif event.key == pygame.K_UP or event.key == pygame.K_DOWN:
                player1YSpeed = 0

    # Update player1 movement
    player1X += player1XSpeed
    player1Y += player1YSpeed

    screen.fill(GRAY)
    if drawPlayer1 == "true":
        player1.loopWalking(playerWalkRightAnim)

    clock.tick(60)
    pygame.display.flip()

pygame.quit()

Answer 1

你正在跳过一些帧，50和75.如果playerCounter是50，那么这两个条件都是False而你什么也没有。

elif (playerCounter > playerWalkMax) and (playerCounter < playerWalkMax * 2):
elif (playerCounter > playerWalkMax * 2) and (playerCounter < playerWalkMax * 3):

您可以通过检查playerCounter是<= playerWalkMax：

来修复代码

elif (playerCounter > playerWalkMax) and (playerCounter <= playerWalkMax * 2):
elif (playerCounter > playerWalkMax * 2) and (playerCounter <= playerWalkMax * 3):

我使用了一些打印来确定跳过哪些帧：

def loopWalking(self, animation):
    global playerCounter
    if playerCounter <= playerWalkMax:
        screen.blit(animation[0], (player1X, player1Y))
        print('blit 0', end=' ')
    elif (playerCounter > playerWalkMax) and (playerCounter < playerWalkMax * 2):
        screen.blit(animation[1], (player1X, player1Y))
        print('blit 1', end=' ')
    elif (playerCounter > playerWalkMax * 2) and (playerCounter < playerWalkMax * 3):
        screen.blit(animation[2], (player1X, player1Y))
        print('blit 2', end=' ')
    elif playerCounter > playerWalkMax * 3:
        screen.blit(animation[3], (player1X, player1Y))
        if playerCounter >= playerWalkMax * 4:
            playerCounter = 0
        print('blit 3', end=' ')

    print(playerCounter)
    playerCounter += 1

加载的图像序列闪烁，但有时只是（Pygame）

1 个答案: