Pygame实现小球躲避实例代码
作者：恒 毅
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前言：
这学期的Python课，要写代码是真的多…
课程实验一是一个五子棋，但是发了代码。
至于代码质量嘛～ 我直接全部根据自己划分的结构改了
这里吐槽下 (真的发下来的代码 惨不忍睹 )
我改了快4个小时 后面功能不想加了…
这次是自己写嘛～ 那就写个想样的。
结构划分
我分为了
run 入口
setting 设置
main 主逻辑
utils 仓库
其实我想的是：全部设置到页面上去，但是偷懒～ （期末要去弄绩点）
直接开始贴代码
run.py
import sys
from main import main
banner = """ ____ _ _ _____
| __ ) __ _| | | ____|___ ___
| _ \ / _` | | | _| / __|/ __|
| |_) | (_| | | | |___\__ \ (__
|____/ \__,_|_|_|_____|___/\___|
"""
if __name__ == '__main__':
print(banner)
print("Author: HengYi")
print("[*] 简单：输入 1")
print("[*] 普通：输入 2")
print("[*] 困难：输入 3")
try:
num = int(input("请选择难度："))
if num in [1, 2, 3]:
main(num)
else:
print("无法处理～")
sys.exit()
except Exception as e:
raise Exception("无法处理～")
setting.py
WIDTH = 900 # 宽 HEIGHT = 600 # 高 SCORE = 0 # 分数 TIME = 0 # 时间 FIRST_STEP = 10 # 到达第二关时间 SECOND_STEP = 20 # 到达第三关时间 FPS = 60 # 刷新率 BG_COLOR = (255, 239, 213) # 背景颜色
utils.py
# -*- coding: utf-8 -*-
import pygame
from setting import FIRST_STEP, SECOND_STEP, BG_COLOR, WIDTH, HEIGHT
# Note: 根据难度生成对应的小球
# Time: 2021/12/17 8:35 下午
# Author: HengYi
def ballNum(ladderNum, time):
index = 0
if FIRST_STEP <= time < SECOND_STEP:
index = 1
if SECOND_STEP <= time:
index = 2
numMap = [
[2, 3, 5],
[3, 5, 6],
[4, 6, 7]
]
return numMap[ladderNum - 1][index]
# Note: 根据小球个数设置防止误触时间
# Time: 2021/12/17 8:43 下午
# Author: HengYi
def protectTime(ballsNum):
if ballsNum in [2, 3, 4]:
return 1
else:
return 2
# Note: 根据时间设置小球大小
# Time: 2021/12/17 8:58 下午
# Author: HengYi
def howBigBallIs(ladderNum, time):
index = 0
if FIRST_STEP <= time < SECOND_STEP:
index = 1
if SECOND_STEP <= time:
index = 2
numMap = [
[25, 20, 15],
[24, 20, 16],
[26, 20, 16]
]
return numMap[ladderNum - 1][index]
# Note: 根据时间难度计算球体的大小和速度
# Time: 2021/12/17 9:15 下午
# Author: HengYi
def judgeDiff(ladderNum, time):
index = 0
if FIRST_STEP <= time < SECOND_STEP:
index = 1
if SECOND_STEP <= time:
index = 2
numMap = [
[(30, 30, 3.5, 3.5), (28, 28, 6, 6), (26, 26, 9, 9)],
[(30, 30, 4.5, 4.5), (27, 27, 8, 8), (25, 25, 10, 10)],
[(30, 30, 5, 5), (26, 26, 9, 9), (24, 24, 12, 12)]
]
return numMap[ladderNum - 1][index]
# Note: 创建平台窗口
# Time: 2021/12/17 2:58 下午
# Author: HengYi
def makeGameBg(width, height):
pygame.init()
screen = pygame.display.set_mode((width, height)) # 设置窗口大小
pygame.display.set_caption('小球逃逃逃') # 设置窗口标题
background = pygame.Surface(screen.get_size()) # 填充背景
return screen, background
# Note: 添加小球产生的事件
# Time: 2021/12/17 3:06 下午
# Author: HengYi
def ballCome():
COME_AGAIN = pygame.USEREVENT
pygame.time.set_timer(COME_AGAIN, 1000)
return COME_AGAIN
# Note: 提示字体
# Time: 2021/12/17 3:11 下午
# Author: HengYi
def makeTips(content, size, color, position, screen):
font = pygame.font.SysFont('arial', size)
text_sf = font.render(content, True, color, BG_COLOR)
screen.blit(text_sf, position)
# Note: 字体展示
# Time: 2021/12/18 4:20 下午
# Author: HengYi
def draw(screen, SCORE, TIME):
screen.fill(BG_COLOR) # 防止出现拖影
makeTips('SCORE: ', 30, (34, 139, 34), (5, 40), screen)
makeTips('TIME(s): ', 30, (64, 158, 255), (5, 75), screen)
makeTips(str(int(SCORE)), 30, (34, 139, 34), (135, 40), screen)
makeTips(str(int(TIME)), 30, (64, 158, 255), (135, 75), screen)
if TIME in [FIRST_STEP, FIRST_STEP + 1]:
makeTips('Ops! LEVEL_2~', 30, (60, 179, 113), (WIDTH / 2 - 30 * 3.5, HEIGHT / 2 - 50), screen)
elif TIME in [SECOND_STEP, SECOND_STEP + 1]:
makeTips('Congratulations! LEVEL_3', 25, (60, 179, 113), (WIDTH / 2 - 25 * 6.25, HEIGHT / 2 - 50), screen)
Main.py
# -*- coding: utf-8 -*-
import random
from setting import *
from utils import *
class Ball(pygame.sprite.Sprite):
def __init__(self, *keys): # 创建球
super().__init__()
self.timeSec = 0
w, h, xs, ys = keys[0]
self.w = w
self.h = h
self.xs = xs
self.ys = ys
x = random.randint(0, WIDTH - self.w)
y = random.randint(0, HEIGHT - self.h)
self.rect = pygame.Rect(x, y, self.w * 2, self.h * 2)
def update(self, screen, *args):
# 根据设置的速度进行运动
self.rect.x += self.xs
self.rect.y += self.ys
# 当遇到墙的时候进行反弹
if self.rect.x > WIDTH - self.w or self.rect.x < 0:
self.xs = -self.xs
elif self.rect.y > HEIGHT - self.h or self.rect.y < 0:
self.ys = -self.ys
if self.timeSec <= args[0]:
pygame.draw.rect(screen, (100, 149, 237), [self.rect.x, self.rect.y, self.rect.w, self.rect.h], 2)
pygame.draw.circle(screen, (255, 0, 0), [self.rect.center[0], self.rect.center[1]], self.w)
def timerAdd(self):
self.timeSec += 1
return self.timeSec
def __del__(self): # 销毁的时候
pass
class Mouse(pygame.sprite.Sprite):
def __init__(self, *keys):
super().__init__()
self.size = keys[0] # 设置圆的大小
self.rect = pygame.Rect(WIDTH / 2 - self.size, HEIGHT / 2 - self.size, self.size * 2, self.size * 2) # 实则是一个正方形
def update(self, screen, *args):
if pygame.mouse.get_focused(): # 如果存在于页面内
self.rect.center = pygame.mouse.get_pos()
# 限制球不能半身跑到边框上
if self.rect.x < 0:
self.rect.x = 0
elif self.rect.x > WIDTH - self.rect.w:
self.rect.x = WIDTH - self.rect.w
elif self.rect.y < 0:
self.rect.y = 0
elif self.rect.y > HEIGHT - self.rect.h:
self.rect.y = HEIGHT - self.rect.h
pygame.draw.circle(screen, (255, 0, 0), [self.rect.center[0], self.rect.center[1]], self.size) # 根据圆心画圆
def main(ladderNum):
# -------------------画布初始化-----------------------
screen, background = makeGameBg(WIDTH, HEIGHT)
clock = pygame.time.Clock()
comeAgain = ballCome()
# --------------------------------------------------
# --------------------对象存储-------------------------
global TIME, SCORE
balls = pygame.sprite.Group(Ball(judgeDiff(ladderNum, TIME)))
mouse = Mouse(howBigBallIs(ladderNum, TIME))
mouseObject = pygame.sprite.Group(mouse)
# --------------------------------------------------
# ---------------------游戏主程序-----------------------
RUNNING = True
SHOWINFO = False
while True:
draw(screen, SCORE, TIME) # 动态添加文字
if SHOWINFO:
makeTips('Please Press The Space To Restart', 30, (255, 99, 71), (WIDTH / 2 - 240, HEIGHT / 2 - 50),
screen)
for each in balls:
if pygame.sprite.spritecollide(each, mouseObject, False, collided=None) and each.timeSec > 2:
RUNNING = False
SHOWINFO = True
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
exit(0)
elif event.type == pygame.KEYDOWN: # 重新开始
if event.key == pygame.K_SPACE:
SCORE = 0
TIME = 0
for each in balls.sprites():
balls.remove(each)
SHOWINFO = False
RUNNING = True
elif event.type == comeAgain and RUNNING: # 每秒增加
TIME += 1
ballsNum = ballNum(ladderNum, TIME)
diff = judgeDiff(ladderNum, TIME)
SCORE += (ballsNum * diff[3])
if TIME in [10, 20]:
mouseObject.remove(mouseObject.sprites()[0])
mouseObject.add(Mouse(howBigBallIs(ladderNum, TIME)))
if len(balls) < ballsNum:
balls.add(Ball(diff))
for each in balls: # 防止误触的保护罩
each.timerAdd()
balls.update(screen, protectTime(ballNum(ladderNum, TIME)))
mouseObject.update(screen)
clock.tick(FPS)
pygame.display.update() # 刷新
print('游戏结束')
总结
效果图：
如何食用：
把上面4处代码Copy下来在用run.py启动
里面设计的 如何判断；如何重来；… (我觉得我的变量名字已经够清楚了🐶)
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