LHL Python 飞机大战 v0.0.1

飞机大战

待更新

import pygame
import random
import math

# 初始化
pygame.init()
screen = pygame.display.set_mode((800, 600))
pygame.display.set_caption('LHL\'S船新版本飞机大战')
icon = pygame.image.load('ufo.jpg')
pygame.display.set_icon(icon)
bgImg = pygame.image.load('bj.jpg')
# 游戏结束
is_over = False
# 音效
pygame.mixer.music.load('bg.mp3')
#pygame.mixer.music.play(-1)

# 分数
score = 0
font = pygame.font.Font('freesansbold.ttf', 32)


def show_score():
    text = f"Score:{score}"
    score_render = font.render(text, True, (0, 21, 42))
    screen.blit(score_render, (10, 10))


over_font = pygame.font.Font('freesansbold.ttf', 32)


def check_is_over():
    if is_over:
        text = "GAMA OVER"
        render = over_font.render(text, True, (255, 21, 42))
        screen.blit(render, (300, 200))


# 飞机
playImg = pygame.image.load('play2.png')
playerX = 400
playerY = 500
playerStep = 0  # 玩家移动速度

# 敌人
number_of_enemies = 6


class Bullet():
    def __init__(self):
        self.img = pygame.image.load('bullet3.png')
        self.x = playerX + 20
        self.y = playerY - 90
        self.step = 2

    def hit(self):
        global score
        for e in enemies:
            if distance(self.x, self.y, e.x, e.y) < 60:
                bullets.remove(self)
                e.reset()
                score += 1
                print(score)


bullets = []


class Enemy():
    def __init__(self):
        self.img = pygame.image.load('emery.png')
        self.x = random.randint(200, 600)
        self.y = random.randint(50, 250)
        self.step = random.randint(1, 3)

    def reset(self):
        self.x = random.randint(200, 600)
        self.y = random.randint(50, 250)


enemies = []  # 保存敌人
for i in range(number_of_enemies):
    enemies.append(Enemy())

enemyImg = pygame.image.load('emery.png')
enemyStep = 1
enemyX = random.randint(200, 600)
enemyY = random.randint(50, 300)


# 计算距离
def distance(bx, by, ex, ey):
    a = bx - ex
    b = by - ey
    return math.sqrt(a * a + b * b)


def show_enemy():
    global is_over
    global playerY, playerX
    for e in enemies:
        screen.blit(e.img, (e.x, e.y))
        e.x += e.step
        if e.x > 700 or e.x < 0:
            e.step *= -1
            e.y += 40
            if e.y > 450:
                is_over = True
                print("游戏结束！")
                enemies.clear()


def move_player():
    # x轴移动
    global playerX, enemyStep, enemyY
    playerX += playerStep
    if playerX >= 700:
        playerX = 700
    if playerX <= 0:
        playerX = 0

    # 防止飞机出界

    if playerX >= 700:
        playerX = 700
    if playerX <= 0:
        playerX = 0


def show_bullets():
    for b in bullets:
        screen.blit(b.img, (b.x, b.y))
        b.hit()
        b.y -= b.step
        if b.y < 0:
            bullets.remove(b)


# 主循环
running = True
while running:
    screen.blit(bgImg, (0, 0))

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
        # 如果是键盘按下
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_RIGHT:
                playerStep = 2
            elif event.key == pygame.K_LEFT:
                playerStep = -2
            elif event.key == pygame.K_SPACE:
                bullets.append(Bullet())

        # 键盘抬起
        if event.type == pygame.KEYUP:
            playerStep = 0
    screen.blit(playImg, (playerX, playerY))
    move_player()
    show_score()
    show_enemy()
    show_bullets()
    check_is_over()
    pygame.display.update()