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【作品展示】

 

【作品介绍】

玩一玩海龟之星际迷航吧！

 

【作品源代码】

import pgzrun
import random
import math

WIDTH = 450
HEIGHT = 650
score = 0
game_state = 'start'
# 钻石下落速度
speed = 6
# 飞船是否发喵弹
shoot = False
t = 0

spaceship = Actor('spaceship', (200, 550))
diamond = Actor('diamond', (100, -200))
enermy = Actor('enermy2', (300, -200))
bullet = Actor('bullet', (200, -100))


def draw():
    global game_state, shoot, score
    # 设置开始画面
    if game_state == 'start':
        screen.blit('space', (0, 0))
        screen.draw.text('Spacecraft', (115, 260), fontsize=60)
        screen.draw.text('Press SPACE to start!',
                         (85, 320), fontsize=40)
        if keyboard.space:
            game_state = 'play'
            # 循环播放背景音乐
            sounds.bg_music.play(-1)
    # 游戏开始后，显示角色和得分
    elif game_state == 'play':
        screen.blit('space', (0, 0))
        screen.draw.text('score: ' + str(score),
                         (10, 10), fontsize=30)
        spaceship.draw()
        diamond.draw()
        enermy.draw()
        bullet.draw()
    # 显示游戏结束画面
    else:
        screen.blit('space', (0, 0))
        spaceship.draw()
        sounds.bg_music.stop()  # 停止音乐
        screen.draw.text('GAME OVER!', (90, 230),
                         color='red', fontsize=60)
        screen.draw.text('Your score: ' + str(score),
                         (125, 280), fontsize=40)
        screen.draw.text('Press SPACE to restart!',
                         (70, 320), fontsize=40)
        # 按下空格键，重新开始游戏
        if keyboard.space:
            game_state = 'play'
            place_object(enermy)
            place_object(diamond)
            sounds.bg_music.play(-1)
            score = 0


# 重置角色位置
def place_object(obj):
    obj.x = random.randint(20, WIDTH - 20)
    obj.y = random.randint(-200, -40)


def update():
    global score, game_state, shoot, t
    if game_state == 'play':
        # 让飞船以正弦轨迹移动
        enermy.y += speed - 3
        enermy.x = WIDTH / 2 * (1 + math.sin(t))
        t += 0.02
        diamond.y += speed
        # 如果敌机或钻石移出屏幕，重置它们的位置
        if enermy.y > HEIGHT + 100:
            place_object(enermy)
        if diamond.y > HEIGHT + 100:
            place_object(diamond)
        # 左右键控制飞船左右移动
        if keyboard.left:
            spaceship.x -= 5
        elif keyboard.right:
            spaceship.x += 5

        if spaceship.x < 0:
            spaceship.x = 0
        elif spaceship.x > WIDTH:
            spaceship.x = WIDTH
        # 按 A 键发喵弹
        if keyboard.a:
            shoot = True
            sounds.bullet.play()
            # 将炮弹移到飞船附近
            init_pos = spaceship.x, spaceship.y - 60
            bullet.pos = init_pos[0], init_pos[1]
        if shoot:
            if bullet.y > -20:
                bullet.y -= 10
            else:
                shoot = False
                bullet.x = -160
        # 如果敌机被炮弹击中，敌机重置位置，得分增加
        if enermy.collidepoint(bullet.pos):
            place_object(enermy)
            score += 10

        if spaceship.collidepoint(diamond.pos):
            place_object(diamond)
            sounds.powerup.play()
            score += 10
        # 如果飞船碰到敌机，游戏结束
        if spaceship.collidepoint(enermy.pos):
            sounds.hit.play()
            game_state = 'game over'


pgzrun.go()

 

【提示】

部分含有Python第三方库相关内容的作品，在海龟编辑器网页端无法运行哦！如遇到这种情况，可以打开下面的链接，下载海龟编辑器客户端：

https://python.codemao.cn