旖旎风景——浪漫烟花（Python实现）

1 旖旎风景

2 请卿赏之

3 Python代码实现

1 旖旎风景

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！

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!

2 请卿赏之

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 particleself.exploded = Falseself.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 = Trueself.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 Trueelse:return False#================Particle：烟花粒子（包含轨迹）======================
class Particle:def __init__(self, x, y, firework, colour):self.firework = fireworkself.pos = vector(x, y)self.origin = vector(x, y)self.radius = 20self.remove = Falseself.explosion_radius = randint(5, 18)self.life = 0self.acc = vector(0, 0)# trail variablesself.trails = []  # stores the particles trail objectsself.prev_posx = [-10] * 10  # stores the 10 last positionsself.prev_posy = [-10] * 10  # stores the 10 last positionsif self.firework:self.vel = vector(0, -randint(17, 20))self.size = 5self.colour = colourfor 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 += forcedef move(self):if not self.firework:self.vel.x *= 0.8self.vel.y *= 0.8self.vel += self.accself.pos += self.velself.acc *= 0if self.life == 0 and not self.firework:  # 检查粒子的爆炸范围distance = math.sqrt((self.pos.x - self.origin.x) ** 2 + (self.pos.y - self.origin.y) ** 2)if distance > self.explosion_radius:self.remove = Trueself.decay()self.trail_update()self.life += 1def 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 particlesif 50 > self.life > 10:  # early stage their is a small chance of decayran = randint(0, 30)if ran == 0:self.remove = Trueelif self.life > 50:ran = randint(0, 5)if ran == 0:self.remove = Truedef 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 = nself.pos = vector(-10, -10)self.dynamic = dynamicif self.dynamic:self.colour = trail_colours[n]self.size = int(size - n / 2)else:self.colour = (255, 255, 200)self.size = size - 2if self.size < 0:self.size = 0def 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 = Truewhile running:clock.tick(60)for event in pygame.event.get():if event.type == pygame.QUIT:running = Falseif event.type == pygame.KEYDOWN:  # Change game speed with number keysif event.key == pygame.K_1:  # 按下 1fireworks.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()

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旖旎风景——浪漫烟花（Python实现）

1 旖旎风景

2 请卿赏之

3 Python代码实现

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