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python 写一个水果忍者游戏

作者:小Y

这篇文章主要介绍了python 如何写一个水果忍者游戏,帮助大家更好的理解和使用python,感兴趣的朋友可以了解下

水果忍者的玩法很简单,尽可能的切开抛出的水果就行。

今天我们就用python简单的模拟一下这个游戏。在这个简单的项目中,我们用鼠标选择水果来切割,同时炸弹也会隐藏在水果中,如果切开了三次炸弹,玩家就会失败。

一、需要导入的包

import pygame, sys
import os
import random

二、窗口界面设置

# 游戏窗口
WIDTH = 800
HEIGHT = 500
FPS = 15             # gameDisplay的帧率,1/12秒刷新一次
pygame.init()
pygame.display.set_caption('水果忍者') # 标题
gameDisplay = pygame.display.set_mode((WIDTH, HEIGHT)) # 固定窗口大小
clock = pygame.time.Clock()

# 用到的颜色
WHITE = (255,255,255)
BLACK = (0,0,0)
RED = (255,0,0)
GREEN = (0,255,0)
BLUE = (0,0,255)

background = pygame.image.load('背景.jpg') # 背景
font = pygame.font.Font(os.path.join(os.getcwd(), 'comic.ttf'), 42) # 字体
score_text = font.render('Score : ' + str(score), True, (255, 255, 255)) # 得分字体样式

三、随机生成水果位置

def generate_random_fruits(fruit):
    fruit_path = "images/" + fruit + ".png"
    data[fruit] = {
        'img': pygame.image.load(fruit_path),
        'x' : random.randint(100,500),
        'y' : 800,
        'speed_x': random.randint(-10,10),
        'speed_y': random.randint(-80, -60),
        'throw': False,
        't': 0,
        'hit': False,
    }

    if random.random() >= 0.75:
        data[fruit]['throw'] = True
    else:
        data[fruit]['throw'] = False

data = {}
for fruit in fruits:
    generate_random_fruits(fruit)

四、绘制字体

font_name = pygame.font.match_font('comic.ttf')

def draw_text(display, text, size, x, y):
    font = pygame.font.Font(font_name, size)
    text_surface = font.render(text, True, WHITE)
    text_rect = text_surface.get_rect()
    text_rect.midtop = (x, y)
    gameDisplay.blit(text_surface, text_rect)

五、玩家生命的提示

# 绘制玩家的生命
def draw_lives(display, x, y, lives, image) :
  for i in range(lives) :
    img = pygame.image.load(image)
    img_rect = img.get_rect()    
    img_rect.x = int(x + 35 * i)  
    img_rect.y = y         
    display.blit(img, img_rect)
def hide_cross_lives(x, y):
  gameDisplay.blit(pygame.image.load("images/red_lives.png"), (x, y))

六、游戏开始与结束的画面

def show_gameover_screen():
    gameDisplay.blit(background, (0,0))
    draw_text(gameDisplay, "FRUIT NINJA!", 90, WIDTH / 2, HEIGHT / 4)
    if not game_over :
        draw_text(gameDisplay,"Score : " + str(score), 50, WIDTH / 2, HEIGHT /2)

    draw_text(gameDisplay, "Press a key to begin!", 64, WIDTH / 2, HEIGHT * 3 / 4)
    pygame.display.flip()
    waiting = True
    while waiting:
        clock.tick(FPS)
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                pygame.quit()
            if event.type == pygame.KEYUP:
                waiting = False

七、游戏主循环

first_round = True
game_over = True        
game_running = True    
while game_running :
    if game_over :
        if first_round :
            show_gameover_screen()
            first_round = False
        game_over = False
        player_lives = 3
        draw_lives(gameDisplay, 690, 5, player_lives, 'images/red_lives.png')
        score = 0

    for event in pygame.event.get():

        if event.type == pygame.QUIT:
            game_running = False

    gameDisplay.blit(background, (0, 0))
    gameDisplay.blit(score_text, (0, 0))
    draw_lives(gameDisplay, 690, 5, player_lives, 'images/red_lives.png')

    for key, value in data.items():
        if value['throw']:
            value['x'] += value['speed_x']
            value['y'] += value['speed_y']
            value['speed_y'] += (1 * value['t'])
            value['t'] += 1

            if value['y'] <= 800:
                gameDisplay.blit(value['img'], (value['x'], value['y']))
            else:
                generate_random_fruits(key)

            current_position = pygame.mouse.get_pos()

            if not value['hit'] and current_position[0] > value['x'] and current_position[0] < value['x']+60 \
                    and current_position[1] > value['y'] and current_position[1] < value['y']+60:
                if key == 'bomb':
                    player_lives -= 1
                    if player_lives == 0:
                        hide_cross_lives(690, 15)
                    elif player_lives == 1 :
                        hide_cross_lives(725, 15)
                    elif player_lives == 2 :
                        hide_cross_lives(760, 15)
                  
                    if player_lives < 0 :
                        show_gameover_screen()
                        game_over = True

                    half_fruit_path = "images/explosion.png"
                else:
                    half_fruit_path = "images/" + "half_" + key + ".png"

                value['img'] = pygame.image.load(half_fruit_path)
                value['speed_x'] += 10
                if key != 'bomb' :
                    score += 1
                score_text = font.render('Score : ' + str(score), True, (255, 255, 255))
                value['hit'] = True
        else:
            generate_random_fruits(key)

    pygame.display.update()
    clock.tick(FPS)

pygame.quit()

源码和素材在公众号 Python客栈 后台回复 切水果 获取。感兴趣的童鞋快来试试吧

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