Python+Pygame实现神庙逃亡游戏

2024-04-02 19:04:59 430人浏览安东尼

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摘要

目录游戏规则精灵类加载龙加载子弹添加玩家碰撞事件完整代码游戏规则用pygame动画实现神庙逃亡类似的小游戏，当玩家移动的时候躲避子弹，如果子弹命中玩家或者名字龙都会减速，玩家躲避子

游戏规则

用pygame动画实现神庙逃亡类似的小游戏，当玩家移动的时候躲避子弹，如果子弹命中玩家或者名字龙都会减速，玩家躲避子弹使更多的子弹打在龙上，当玩家被龙抓到，则游戏输，如果龙被子弹减少速度，与玩家有一定的距离，则玩家获胜。

精灵类

class MySprite(pygame.sprite.Sprite):
    def __init__(self, target):
        pygame.sprite.Sprite.__init__(self)  
        self.master_image = None
        self.frame = 0
        self.old_frame = -1
        self.frame_width = 1
        self.frame_height = 1
        self.first_frame = 0
        self.last_frame = 0
        self.columns = 1
        self.last_time = 0 

    def _getx(self):
        return self.rect.x

    def _setx(self, value):
        self.rect.x = value

    X = property(_getx, _setx)

    def _gety(self):
        return self.rect.y

    def _sety(self, value):
        self.rect.y = value

    Y = property(_gety, _sety)

    def _getpos(self):
        return self.rect.topleft

    def _setpos(self, pos):
        self.rect.topleft = pos

    position = property(_getpos, _setpos)

    def load(self, filename, width, height, columns):
        self.master_image = pygame.image.load(filename).convert_alpha()
        self.frame_width = width
        self.frame_height = height
        self.rect = Rect(0, 0, width, height)
        self.columns = columns
        rect = self.master_image.get_rect()
        self.last_frame = (rect.width // width) * (rect.height // height) - 1

    def update(self, current_time, rate=30):
        if current_time > self.last_time + rate:
            self.frame += 1
            if self.frame > self.last_frame:
                self.frame = self.first_frame
            self.last_time = current_time
 
        if self.frame != self.old_frame:
            frame_x = (self.frame % self.columns) * self.frame_width
            frame_y = (self.frame // self.columns) * self.frame_height
            rect = pygame.Rect(frame_x, frame_y, self.frame_width, self.frame_height)
            self.image = self.master_image.subsurface(rect)
            self.old_frame = self.frame

    def __str__(self):
        return str(self.frame) + "," + str(self.first_frame) + \
               "," + str(self.last_frame) + "," + str(self.frame_width) + \
               "," + str(self.frame_height) + "," + str(self.columns) + \
               "," + str(self.rect)

MySprite继承精灵类，因为在做动画时候，需要许多的参数，这里进行了初始化，master_image 图片的位置，frame、old_frame分别储存第一帧和上一帧的位置，frame_width和frame_height保存宽高，first和last保存帧的第一帧和最后一帧。columns保存列数。last_time时间变量。
X、Y、pos保存精灵的位置x和y的位置。

load载入，赋予对应精灵的值，(rect.width // width) * (rect.height // height) - 1，通过给定的图片的宽高除以参数的值，-1就是初始的位置是从0开始的。

update更新的时候，根据传入的时间和间隔频率，如果时间大于上次时间和间隔则改变帧数，如果帧数改变对应的图片位置也改变，实现动态变化。

加载龙

draGon = MySprite(screen)
dragon.load("dragon.png", 260, 150, 3)
dragon.position = 100, 230
group.add(dragon)

arrow_vel = 8.0
game_over = False
you_win = False
player_jumping = False
jump_vel = 0.0

while True:
    framerate.tick(30)
    ticks = pygame.time.get_ticks()

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()

    keys = pygame.key.get_pressed()
    if keys[pygame.K_ESCAPE]:
        sys.exit()
    elif keys[pygame.K_SPACE]:
        if not player_jumping:
            player_jumping = True
            jump_vel = -8.0


    screen.blit(bg, (0, 0))

    if not game_over:
        group.update(ticks, 50)

    group.draw(screen)

    print_text(font, 350, 360, "Press SPACE to jump!")

    if game_over:
        print_text(font, 360, 100, "G A M E O V E R")
        if you_win:
            print_text(font, 330, 130, "YOU BEAT THE DRAGON")
        else:
            print_text(font, 330, 130, "THE DRAGON GOT YOU")
    pygame.display.update()

加载龙，实现龙动画，这里没有龙的位移，玩家躲子弹或者命中子弹都会导致双方的x坐标减少，这里没使用对应的速度改变，减少游戏的开发难度。

加载子弹

def reset_arrow():
    y = random.randint(250, 350)
    arrow.position = 800, y

arrow = MySprite(screen)
arrow.load("flame.png", 40, 16, 1)
arrow.position = 800, 320
group.add(arrow)

子弹因为只有一个，如果击中则需要重置，这里写了重置子弹的函数便于调用，random.randint(250, 350)给子弹一个随机的高度。使游戏与变化。

添加玩家

player = MySprite(screen)
player.load("caveman.png", 50, 64, 8)
player.first_frame = 1
player.last_frame = 7
player.position = 400, 303
group.add(player)

player_start_y = player.Y

player_start_y记录玩家初始的y坐标判断玩家是否处于跳跃状态中。

碰撞事件

    if not game_over:
        arrow.X -= arrow_vel
        if arrow.X < 40:
            reset_arrow()

    if pygame.sprite.collide_rect(arrow, player):
        reset_arrow()
        player.X -= 10

    if pygame.sprite.collide_rect(arrow, dragon):
        reset_arrow()
        dragon.X -= 10

    if pygame.sprite.collide_rect(player, dragon):
        game_over = True

    if dragon.X < -100:
        you_win = True
        game_over = True

    if player_jumping:
        player.Y += jump_vel
        jump_vel += 0.5
        if player.Y > player_start_y:
            player_jumping = False
            player.Y = player_start_y
            jump_vel = 0.0

这里需要检验玩家、子弹和龙两两相碰的事件。

完整代码

import sys, time, random, math, pygame
from pygame.locals import *


class MySprite(pygame.sprite.Sprite):
    def __init__(self, target):
        pygame.sprite.Sprite.__init__(self)  # extend the base Sprite class
        self.master_image = None
        self.frame = 0
        self.old_frame = -1
        self.frame_width = 1
        self.frame_height = 1
        self.first_frame = 0
        self.last_frame = 0
        self.columns = 1
        self.last_time = 0

    # X property
    def _getx(self):
        return self.rect.x

    def _setx(self, value):
        self.rect.x = value

    X = property(_getx, _setx)

    # Y property
    def _gety(self):
        return self.rect.y

    def _sety(self, value):
        self.rect.y = value

    Y = property(_gety, _sety)

    # position property
    def _getpos(self):
        return self.rect.topleft

    def _setpos(self, pos):
        self.rect.topleft = pos

    position = property(_getpos, _setpos)

    def load(self, filename, width, height, columns):
        self.master_image = pygame.image.load(filename).convert_alpha()
        self.frame_width = width
        self.frame_height = height
        self.rect = Rect(0, 0, width, height)
        self.columns = columns
        # try to auto-calculate total frames
        rect = self.master_image.get_rect()
        self.last_frame = (rect.width // width) * (rect.height // height) - 1

    def update(self, current_time, rate=30):
        # update animation frame number
        if current_time > self.last_time + rate:
            self.frame += 1
            if self.frame > self.last_frame:
                self.frame = self.first_frame
            self.last_time = current_time

        # build current frame only if it changed
        if self.frame != self.old_frame:
            frame_x = (self.frame % self.columns) * self.frame_width
            frame_y = (self.frame // self.columns) * self.frame_height
            rect = pygame.Rect(frame_x, frame_y, self.frame_width, self.frame_height)
            self.image = self.master_image.subsurface(rect)
            self.old_frame = self.frame

    def __str__(self):
        return str(self.frame) + "," + str(self.first_frame) + \
               "," + str(self.last_frame) + "," + str(self.frame_width) + \
               "," + str(self.frame_height) + "," + str(self.columns) + \
               "," + str(self.rect)


def print_text(font, x, y, text, color=(255, 255, 255)):
    imgText = font.render(text, True, color)
    screen.blit(imgText, (x, y))


def reset_arrow():
    y = random.randint(250, 350)
    arrow.position = 800, y


pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption("Escape Dragon")
font = pygame.font.Font(None, 18)
framerate = pygame.time.Clock()


bg = pygame.image.load('background.png').convert_alpha()

group = pygame.sprite.Group()

dragon = MySprite(screen)
dragon.load("dragon.png", 260, 150, 3)
dragon.position = 100, 230
group.add(dragon)

player = MySprite(screen)
player.load("caveman.png", 50, 64, 8)
player.first_frame = 1
player.last_frame = 7
player.position = 400, 303
group.add(player)

arrow = MySprite(screen)
arrow.load("flame.png", 40, 16, 1)
arrow.position = 800, 320
group.add(arrow)


arrow_vel = 8.0
game_over = False
you_win = False
player_jumping = False
jump_vel = 0.0
player_start_y = player.Y

while True:
    framerate.tick(30)
    ticks = pygame.time.get_ticks()

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            sys.exit()

    keys = pygame.key.get_pressed()
    if keys[pygame.K_ESCAPE]:
        sys.exit()
    elif keys[pygame.K_SPACE]:
        if not player_jumping:
            player_jumping = True
            jump_vel = -8.0

    if not game_over:
        arrow.X -= arrow_vel
        if arrow.X < 40:
            reset_arrow()

    if pygame.sprite.collide_rect(arrow, player):
        reset_arrow()
        player.X -= 10

    if pygame.sprite.collide_rect(arrow, dragon):
        reset_arrow()
        dragon.X -= 10

    if pygame.sprite.collide_rect(player, dragon):
        game_over = True

    if dragon.X < -100:
        you_win = True
        game_over = True

    if player_jumping:
        player.Y += jump_vel
        jump_vel += 0.5
        if player.Y > player_start_y:
            player_jumping = False
            player.Y = player_start_y
            jump_vel = 0.0

    screen.blit(bg, (0, 0))

    if not game_over:
        group.update(ticks, 50)

    group.draw(screen)

    print_text(font, 350, 360, "Press SPACE to jump!")

    if game_over:
        print_text(font, 360, 100, "G A M E O V E R")
        if you_win:
            print_text(font, 330, 130, "YOU BEAT THE DRAGON")
        else:
            print_text(font, 330, 130, "THE DRAGON GOT YOU")
    pygame.display.update()

以上就是python+Pygame实现神庙逃亡游戏的详细内容，更多关于Python Pygame神庙逃亡的资料请关注编程网其它相关文章！

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