基于pygame做的小游戏
程序员文章站
2022-06-29 11:31:51
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最近一边学习pygame模块一边做了个小游戏,完成功能如下:
- 鼠标右键控制移动
- 人物跟随鼠标方向转动
- 鼠标左键控制攻击
- 动画效果
- 血量计数效果
画面比较乱入,请自行过滤。直接上代码:
# coding: utf-8
import pygame
from pygame.locals import * # 导入pygame库中的一些常量
from sys import exit # 导入sys库中的exit函数
from gameobjects.vector2 import Vector2
from math import *
# 定义窗口的分辨率
SCREEN_WIDTH = 603
SCREEN_HEIGHT = 603
# 初始化游戏
pygame.init()
screen = pygame.display.set_mode([SCREEN_WIDTH, SCREEN_HEIGHT], 0, 32) # 初始化一个用于显示的窗口
pygame.display.set_caption('LOL') # 设置窗口标题
#加载并转换图像
background = pygame.image.load("background.jpg").convert() # 加载图片资源
major_cursor = pygame.image.load("major.png").convert_alpha()
mouse_cursor = pygame.image.load("cursor.png").convert_alpha()
fire_cursor = pygame.image.load("fire.png").convert_alpha()
boom_cursor = pygame.image.load("boom.png").convert_alpha()
major_pos_new = major_pos_old = (20.0, 550.0)
mouse_pos = (300.0, 300.0)
sunflower_pos = (35, 420)
bullets = []
def load_image(file, width=None, number=None):
try:
surface = pygame.image.load(file).convert_alpha()
except pygame.error:
raise SystemExit('Could not load image "%s" %s'%(file, pygame.get_error()))
if width == None:
return surface
height = surface.get_height()
return [surface.subsurface(
Rect((i * width, 0), (width, height))
) for i in range(number)] # 返回切片后的图片列表,按帧控制显示
class SunFlower(pygame.sprite.Sprite):
_rate = 100
_width = 82
_height = 77
_number = 18
_life = 100
images = []
def __init__(self):
self.order = 0
pygame.sprite.Sprite.__init__(self)
if len(self.images) == 0:
self.images = load_image("sunflower.png", self._width, self._number)
self.image = self.images[self.order]
self.rect = Rect(0, 0, self._width, self._height)
self.life = self._life
self.passed_time = 0
def update(self, passed_time):
self.passed_time += passed_time
self.order = ( self.passed_time // self._rate ) % self._number
if self.order == 0 and self.passed_time > self._rate:
self.passed_time = 0
return self.images[self.order]
if __name__ == '__main__':
sunflower = SunFlower()
clock = pygame.time.Clock()
screen.blit(major_cursor, major_pos_old) # 主角
#游戏主循环
while True:
screen.blit(background, (0,0)) # 背景
# major_pos_old = straight_move(major_pos_old, major_pos_new)
for event in pygame.event.get():
#接收到退出事件后退出程序
if event.type == QUIT:
exit()
elif event.type == MOUSEBUTTONDOWN:
pressed_array = pygame.mouse.get_pressed()
for index in range(len(pressed_array)):
if pressed_array[index]:
if index == 0:
major_pos_new = major_pos_old
bullet_pos = (major_pos_old[0], major_pos_old[1])
vector_direction = Vector2.from_points(bullet_pos, pygame.mouse.get_pos())
vector_direction.normalize()
bullets.append([bullet_pos, vector_direction]) # 添加子弹位置及方向
elif index == 1:
pass
elif index == 2:
major_pos_new = pygame.mouse.get_pos()
time_passed = clock.tick()
for bullet in bullets:
print(bullet[0][0], bullet[0][1])
if (int(bullet[0][0]) in range(20, 70)) and (int(bullet[0][1]) in range(410, 460)):
sunflower.life -= 10
bullets.remove(bullet)
elif (bullet[0][0] > 0 and bullet[0][0] < 603) and (bullet[0][1] > 0 or bullet[0][1] < 603):
bullet[0] += bullet[1] * time_passed * 0.5 # 设置子弹按帧移动
screen.blit(fire_cursor, bullet[0])
else:
bullets.remove(bullet)
vector_to_new = Vector2.from_points(major_pos_old, major_pos_new)
vector_to_new.normalize()
major_pos_old += vector_to_new * time_passed * 0.1
vector_mouse = Vector2.from_points(major_pos_old, pygame.mouse.get_pos())
vector_mouse.normalize()
# print(degrees(acos(vector_mouse[0])))
if vector_mouse[1] >= 0:
derection = -1
else:
derection = 1
if vector_mouse[0] >= 0:
major_sufurce = major_cursor
else:
major_sufurce = pygame.transform.flip(major_cursor, False, True) # 根据Y轴翻转
major_cursor_ratation = pygame.transform.rotate(major_sufurce, derection * degrees(acos(vector_mouse[0]))) # 设置偏移角度
screen.blit(major_cursor_ratation, (major_pos_old[0]-30, major_pos_old[1]-15))
if sunflower.life > 0:
img = sunflower.update(time_passed)
screen.blit(img, sunflower_pos)
my_font = pygame.font.SysFont("arial", 15) # 设置血量
text_surface = my_font.render(str(sunflower.life), True, (255,0,0))
screen.blit(text_surface, (sunflower_pos[0]+25, sunflower_pos[1]-15))
else:
screen.blit(boom_cursor, sunflower_pos)
screen.blit(mouse_cursor, pygame.mouse.get_pos())
pygame.mouse.set_visible(False) # 设置鼠标不可见
pygame.display.update() #刷新画面
sunflower.png下载地址:
(https://img-blog.csdn.net/20180307103256329?watermark/2/text/aHR0cDovL2Jsb2cuY3Nkbi5uZXQvR2l2ZU1lRml2ZV9Z/font/5a6L5L2T/fontsize/400/fill/I0JBQkFCMA==/dissolve/70)
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