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Python 浪漫烟花实现代码全解

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

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)www.cppcns.com:
        # 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:
  www.cppcns.com                  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
 
#================Particl编程客栈e: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 http://www.cppcns.com10 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 = 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
  http://www.cppcns.com          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()
 

到此这篇关于Python 浪漫烟花实现代码全解的文章就介绍到这了,更多相关Python 浪漫烟花内容请搜索我们以前的文章或继续浏览下面的相关文章希望大家以后多多支持我们!

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