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【作品展示】

 

【作品介绍】

这是一个Python的经典程序

按方向键改变滑雪者方向

同时也会改变速度

捡到小旗加10分

撞树扣100分

看看你的水平怎么样吧

 

【作品源代码】

#-*- coding:utf-8 -*-
import pygame
import sys
import random
#定义图片元素列表
skier_images = ["skier_down.png", "skier_right1.png",
    "skier_right2.png", "skier_left2.png", "skier_left1.png"]


class SkierClass(pygame.sprite.Sprite):
    def __init__(self):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.image.load("skier_down.png")
        self.rect = self.image.get_rect()
        self.rect.center = [320, 100]
        self.angle = 0

    def turn(self, direction):
        self.angle = self.angle+direction
        if self.angle < -2:
            self.angle = -2
        if self.angle > 2:
            self.angle = 2
        center = self.rect.center
        self.image = pygame.image.load(skier_images[self.angle])
        self.rect = self.image.get_rect()
        self.rect.center = center
        speed = [self.angle, 6-abs(self.angle)*2]
        return speed
    #滑雪者左右移动

    def move(self, speed):
        self.rect.centerx = self.rect.centerx+speed[0]
        if self.rect.centerx < 20:
            self.rect.centerx = 20
        if self.rect.centerx > 620:
            self.rect.centerx = 620
#创建树和小旗


class ObstacleClass(pygame.sprite.Sprite):
    def __init__(self, image_file, location, type):
        pygame.sprite.Sprite.__init__(self)
        self.image_file = image_file
        self.image = pygame.image.load(image_file)
        self.location = location
        self.rect = self.image.get_rect()
        self.rect.center = location
        self.type = type
        self.passed = False
    #让场景向上滚动

    def scroll(self, t_ptr):
        self.rect.centery = self.location[1]-t_ptr
#创建一个窗口，包含随机的树和小旗


def create_map(start, end):
    obstacles = pygame.sprite.Group()
    gates = pygame.sprite.Group()
    locations = []
    for i in range(10):
        row = random.randint(start, end)
        col = random.randint(0, 9)
        location = [col*喵+20, row*喵+20]
        if not (location in locations):
            locations.append(location)
            type = random.choice(["tree", "flag"])
            if type == "tree":
                img = "skier_tree.png"
            elif type == "flag":
                img = "skier_flag.png"
            obstacle = ObstacleClass(img, location, type)
            obstacles.add(obstacle)
    return obstacles
#有移动时重绘屏幕


def animate():
    screen.fill([255, 255, 255])
    pygame.display.update(obstacles.draw(screen))
    screen.blit(skier.image, skier.rect)
    screen.blit(score_text, [10, 10])
    pygame.display.flip()
#切换到场景的下一屏


def updateObstacleGroup(map0, map1):
    obstacles = pygame.sprite.Group()
    for ob in map0:
        obstacles.add(ob)
    for ob in map1:
        obstacles.add(ob)
    return obstacles


#做好准备
pygame.init()
screen = pygame.display.set_mode([喵0, 喵0])
clock = pygame.time.Clock()
skier = SkierClass()
speed = [0, 6]
map_position = 0
points = 0
map0 = create_map(20, 29)
map1 = create_map(10, 19)
activeMap = 0
obstacles = updateObstacleGroup(map0, map1)
font = pygame.font.Font(None, 50)
#开始主循环，每秒更新30次图形
while True:
    clock.tick(30)
    for event in pygame.event.get():
        if event.type == pygame.QUIT:

            sys.exit()
        if event.type==pygame.KEYDOWN:
            if event.key==pygame.K_LEFT:
                speed=skier.turn(-1)
            elif event.key==pygame.K_RIGHT:
                speed=skier.turn(1)
    skier.move(speed)
    map_position+=speed[1]

    if map_position>=喵0 and activeMap==0:
        activeMap=1
        map0=create_map(20,29)
        obstacles=updateObstacleGroup(map0,map1)
    if map_position>=1280 and activeMap==1:
        activeMap=0
        for ob in map0:
            ob.location[1]=ob.location[1]-1280
        map_position=map_position-1280
        map1=create_map(10,19)
        obstacles=updateObstacleGroup(map0,map1)
    for obstacle in obstacles:
        obstacle.scroll(map_position)
    hit=pygame.sprite.spritecollide(skier,obstacles,False)
    if hit:
        if hit[0].type=="tree" and not hit[0].passed:
            points=points-100
            skier.image=pygame.image.load("skier_crash.png")
            animate()
            pygame.time.delay(1000)
            skier.image=pygame.image.load("skier_down.png")
            skier.angle=0
            speed=[0,6]
            hit[0].passed=True
        elif hit[0].type=="flag" and not hit[0].passed:
            points+=10
            obstacles.remove(hit[0])
    score_text=font.render("Score:"+str(points),1,(0,0,0))
    animate()

 

【提示】

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