Python 浪漫烟花实现代码全解

作者:是梦吧,是你吧! 时间:2023-11-16 01:24:56 

1 旖旎风景

Python 浪漫烟花实现代码全解

马上虎年了,也是我的生肖年,很激动!(不小心暴露了年龄,哈哈哈......),这里先给大家拜年啦,祝大家虎年快乐,虎年爆富! 

Python 浪漫烟花实现代码全解

首先一首原创诗分享给大家,然后欣赏一下烟花代码,用Python实现的。

魏巍中华龙在飞,能驭其者方可主沉浮,今夕新年,晚风过威奢, 请卿听我歌:

新年傲啸

烟花冲破九霄,

正如神雕在傲啸;

黑夜捅了它一刀;

五彩的血溅在黑夜外套;

于是傲啸浸透夜的衣角;

只愿与卿震响九霄!

龙吟虎啸!

Python 浪漫烟花实现代码全解

2 请卿赏之

视频直通链接:https://live.csdn.net/v/embed/185220

Python 浪漫烟花实现代码全解

旖旎风景

3 Python代码实现


#=================导入包====================
'''导入pygame,Python Pygame 是一款专门为开发和设计 2D 电子游戏而生的软件包,
它支 Windows、Linux、Mac OS 等操作系统,具有良好的跨平台性。'''
import pygame
from random import randint, uniform, choice
import math

#===========首先设置全局变量====================
vector = pygame.math.Vector2
# 重力变量
gravity = vector(0, 0.3)
# 控制窗口的大小
DISPLAY_WIDTH = DISPLAY_HEIGHT = 800

# 颜色选项
trail_colours = [(45, 45, 45), (60, 60, 60), (75, 75, 75), (125, 125, 125), (150, 150, 150)]
dynamic_offset = 1
static_offset = 3
#=======Firework : 整体部分;================
class Firework:
   def __init__(self):
       # 随机颜色
       self.colour = (randint(0, 255), randint(0, 255), randint(0, 255))
       self.colours = (
           (randint(0, 255), randint(0, 255), randint(0, 255)),
           (randint(0, 255), randint(0, 255), randint(0, 255)),
           (randint(0, 255), randint(0, 255), randint(0, 255)))
       self.firework = Particle(randint(0, DISPLAY_WIDTH), DISPLAY_HEIGHT, True,
                                self.colour)  # Creates the firework particle
       self.exploded = False
       self.particles = []
       self.min_max_particles = vector(100, 225)

def update(self, win):  # 每帧调用
       if not self.exploded:
           self.firework.apply_force(gravity)
           self.firework.move()
           for tf in self.firework.trails:
               tf.show(win)

self.show(win)

if self.firework.vel.y >= 0:
               self.exploded = True
               self.explode()
       else:
           for particle in self.particles:
               particle.apply_force(vector(gravity.x + uniform(-1, 1) / 20, gravity.y / 2 + (randint(1, 8) / 100)))
               particle.move()
               for t in particle.trails:
                   t.show(win)
               particle.show(win)

def explode(self):
       # amount 数量
       amount = randint(self.min_max_particles.x, self.min_max_particles.y)
       for i in range(amount):
           self.particles.append(Particle(self.firework.pos.x, self.firework.pos.y, False, self.colours))

def show(self, win):
       pygame.draw.circle(win, self.colour, (int(self.firework.pos.x), int(self.firework.pos.y)), self.firework.size)

def remove(self):
       if self.exploded:
           for p in self.particles:
               if p.remove is True:
                   self.particles.remove(p)

if len(self.particles) == 0:
               return True
           else:
               return False

#================Particle:烟花粒子(包含轨迹)======================
class Particle:
   def __init__(self, x, y, firework, colour):
       self.firework = firework
       self.pos = vector(x, y)
       self.origin = vector(x, y)
       self.radius = 20
       self.remove = False
       self.explosion_radius = randint(5, 18)
       self.life = 0
       self.acc = vector(0, 0)
       # trail variables
       self.trails = []  # stores the particles trail objects
       self.prev_posx = [-10] * 10  # stores the 10 last positions
       self.prev_posy = [-10] * 10  # stores the 10 last positions

if self.firework:
           self.vel = vector(0, -randint(17, 20))
           self.size = 5
           self.colour = colour
           for i in range(5):
               self.trails.append(Trail(i, self.size, True))
       else:
           self.vel = vector(uniform(-1, 1), uniform(-1, 1))
           self.vel.x *= randint(7, self.explosion_radius + 2)
           self.vel.y *= randint(7, self.explosion_radius + 2)
           # 向量
           self.size = randint(2, 4)
           self.colour = choice(colour)
           # 5 个 tails总计
           for i in range(5):
               self.trails.append(Trail(i, self.size, False))

def apply_force(self, force):
       self.acc += force

def move(self):
       if not self.firework:
           self.vel.x *= 0.8
           self.vel.y *= 0.8
       self.vel += self.acc
       self.pos += self.vel
       self.acc *= 0

if self.life == 0 and not self.firework:  # 检查粒子的 * 范围
           distance = math.sqrt((self.pos.x - self.origin.x) ** 2 + (self.pos.y - self.origin.y) ** 2)
           if distance > self.explosion_radius:
               self.remove = True

self.decay()

self.trail_update()

self.life += 1

def show(self, win):
       pygame.draw.circle(win, (self.colour[0], self.colour[1], self.colour[2], 0), (int(self.pos.x), int(self.pos.y)),
                          self.size)

def decay(self):  # random decay of the particles
       if 50 > self.life > 10:  # early stage their is a small chance of decay
           ran = randint(0, 30)
           if ran == 0:
               self.remove = True
       elif self.life > 50:
           ran = randint(0, 5)
           if ran == 0:
               self.remove = True

def trail_update(self):
       self.prev_posx.pop()
       self.prev_posx.insert(0, int(self.pos.x))
       self.prev_posy.pop()
       self.prev_posy.insert(0, int(self.pos.y))

for n, t in enumerate(self.trails):
           if t.dynamic:
               t.get_pos(self.prev_posx[n + dynamic_offset], self.prev_posy[n + dynamic_offset])
           else:
               t.get_pos(self.prev_posx[n + static_offset], self.prev_posy[n + static_offset])

#=======Trail:烟花轨迹,本质上是一个点 。创建 Trail 类,定义 show 方法绘制轨迹 、get_pos  实时获取轨迹坐标====
class Trail:
   def __init__(self, n, size, dynamic):
       self.pos_in_line = n
       self.pos = vector(-10, -10)
       self.dynamic = dynamic

if self.dynamic:
           self.colour = trail_colours[n]
           self.size = int(size - n / 2)
       else:
           self.colour = (255, 255, 200)
           self.size = size - 2
           if self.size < 0:
               self.size = 0

def get_pos(self, x, y):
       self.pos = vector(x, y)

def show(self, win):
       pygame.draw.circle(win, self.colour, (int(self.pos.x), int(self.pos.y)), self.size)

def update(win, fireworks):
   for fw in fireworks:
       fw.update(win)
       if fw.remove():
           fireworks.remove(fw)

pygame.display.update()

#=======================主函数=======================
def main():
   pygame.init()
   pygame.font.init()
   pygame.display.set_caption("祝您新年快乐")  # 标题
   background = pygame.image.load("./5.png")  # 背景
   sound_wav = pygame.mixer.music.load("2.mp3")
   pygame.mixer.music.play()

pygame.init()
# 加载背景音乐
'''pygame.mixer.music.load("./res/音乐文件名")
# 循环播放背景音乐
pygame.mixer.music.play(-1)
# 停止背景音乐
pygame.mixer.music.stop()
# 加载音效
boom_sound = pygame.mixer.Sound("./res/音效名")
# 播放音效
boom_sound.play()
boom_sound.stop()
myfont = pygame.font.Font("simkai.TTF", 80)
myfont1 = pygame.font.Font("simkai.ttf", 30)
testsurface = myfont.render("虎虎生威", False, (0, 0, 0), (220, 20, 60))
testsurface1 = myfont1.render("", False, (251, 59, 85))'''

# pygame.image.load("")
win = pygame.display.set_mode((DISPLAY_WIDTH, DISPLAY_HEIGHT))
# win.blit(background)
clock = pygame.time.Clock()

fireworks = [Firework() for i in range(2)]  # create the first fireworks
running = True

while running:
   clock.tick(60)
   for event in pygame.event.get():
       if event.type == pygame.QUIT:
           running = False
       if event.type == pygame.KEYDOWN:  # Change game speed with number keys
           if event.key == pygame.K_1:  # 按下 1
               fireworks.append(Firework())
           if event.key == pygame.K_2:  # 按下 2 加入10个烟花
               for i in range(10):
                   fireworks.append(Firework())
           if event.key == pygame.K_3:  # 按下 3 加入100个烟花
               for i in range(100):
                   fireworks.append(Firework())
   win.fill((20, 20, 30))  # draw background
   #win.blit(background, (0, 0))
   #win.blit(testsurface, (200, 30))
   #win.blit(testsurface1, (520, 80))

if randint(0, 20) == 1:  # 创建新的烟花

fireworks.append(Firework())

update(win, fireworks)
pygame.quit()
quit()

if __name__ == 'main':
   main()

来源:https://blog.csdn.net/weixin_46039719/article/details/122758011

标签:Python,浪漫,烟花
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