Python新年烟花效果代码(2024版)

完整实例：

import pygame as pg``import random as ra``import math``   ``# 初始化pygame``pg.init()``pg.display.set_caption("新年快乐")``   ``# 获取屏幕尺寸``winScreen = pg.display.Info()``screenWidth = winScreen.current_w``screenHeight = winScreen.current_h``   ``# 矢量辅助函数``vector = pg.math.Vector2``   ``# 烟花尾迹颜色``trail_colors = [(128, 0, 0), (139, 0, 0), (165, 42, 42), (178, 34, 34), (220, 20, 60)]` `   ``class Firework:`    `"""定义烟花的类"""`    `def __init__(self):`        `self.colour = (ra.randint(200, 255), ra.randint(0, 60), ra.randint(0, 60))`        `self.colours = (`            `(ra.randint(200, 255), ra.randint(0, 60), ra.randint(0, 60)),`            `(ra.randint(200, 255), ra.randint(0, 60), ra.randint(0, 60)),`            `(ra.randint(200, 255), ra.randint(0, 60), ra.randint(0, 60))`        `)`        `self.firework = Particle(ra.randint(0, screenWidth), screenHeight, True, self.colour)`        `self.exploded = False`        `self.particles = []`        `self.min_max_particles = vector(666, 999)``   `    `def update(self, win):`        `"""更新烟花状态"""`        `if not self.exploded:`            `self.firework.apply_force(vector(0, ra.uniform(0.15, 0.4)))`            `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(ra.uniform(-1, 1) / 20, ra.uniform(0.05, 0.2)))`                `particle.move()`                `for t in particle.trails:`                    `t.show(win)`                `particle.show(win)``   `    `def explode(self):`        `"""烟花爆炸产生粒子"""`        `amount = ra.randint(int(self.min_max_particles.x), int(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):`        `"""显示烟花"""`        `pg.draw.circle(win, self.colour, (int(self.firework.pos.x), int(self.firework.pos.y)), self.firework.size)``   `    `def remove(self):`        `"""移除已经燃尽的烟花"""`        `if self.exploded:`            `self.particles = [p for p in self.particles if not p.remove]`            `return len(self.particles) == 0`        `return False``   ``class Particle:`    `"""定义烟花粒子的类"""`    `def __init__(self, x, y, firework, colour):`        `self.firework = firework`        `self.pos = vector(x, y)`        `self.origin = vector(x, y)`        `self.explosion_radius = ra.randint(15, 25)`        `self.remove = False`        `self.life = 0`        `self.acc = vector(0, 0)`        `self.trails = []`        `self.prev_posx = [-10] * 10`        `self.prev_posy = [-10] * 10`        `if self.firework:`            `self.vel = vector(0, -ra.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(ra.uniform(-1, 1), ra.uniform(-1, 1))`            `self.vel *= ra.randint(7, self.explosion_radius + 2)`            `self.size = ra.randint(2, 4)`            `self.colour = ra.choice(colour)`            `for i in range(5):`                `self.trails.append(Trail(i, self.size, False))``   `    `def apply_force(self, force):`        `"""应用力到粒子上"""`        `self.acc += force``   `    `def move(self):`        `"""移动粒子"""`        `self.vel += self.acc`        `self.pos += self.vel`        `self.acc *= 0`        `distance = math.sqrt((self.pos.x - self.origin.x) ** 2 + (self.pos.y - self.origin.y) ** 2)`        `if distance > self.explosion_radius and not self.firework:`            `self.remove = True`        `self.decay()`        `self.trail_update()`        `self.life += 1``   `    `def show(self, win):`        `"""显示粒子"""`        `pg.draw.circle(win, self.colour, (int(self.pos.x), int(self.pos.y)), self.size)``   `    `def decay(self):`        `"""粒子衰减"""`        `if self.life > 50:`            `if ra.randint(0, 5) == 0:`                `self.remove = True``   `    `def trail_update(self):`        `"""更新粒子尾迹"""`        `self.prev_posx.pop(0)`        `self.prev_posx.append(int(self.pos.x))`        `self.prev_posy.pop(0)`        `self.prev_posy.append(int(self.pos.y))`        `for n, t in enumerate(self.trails):`            `t.get_pos(self.prev_posx[n], self.prev_posy[n])``   ``class Trail:`    `"""定义尾迹的类"""`    `def __init__(self, n, size, dynamic):`        `self.pos_in_line = n`        `self.pos = vector(-10, -10)`        `self.dynamic = dynamic`        `self.colour = trail_colors[n] if dynamic else (255, 255, 200)`        `self.size = max(int(size - n / 2), 0) if dynamic else max(size - 2, 0)``   `    `def get_pos(self, x, y):`        `"""获取尾迹位置"""`        `self.pos = vector(x, y)``   `    `def show(self, win):`        `"""显示尾迹"""`        `pg.draw.circle(win, self.colour, (int(self.pos.x), int(self.pos.y)), self.size)``   ``def update(win, fireworks):`    `"""更新和显示所有烟花"""`    `for fw in fireworks:`        `fw.update(win)`        `if fw.remove():`            `fireworks.remove(fw)`    `pg.display.update()``   ``def fire():`    `"""主函数，控制烟花显示"""`    `screen = pg.display.set_mode((screenWidth, screenHeight - 66))`    `clock = pg.time.Clock()`    `fireworks = [Firework() for _ in range(2)]`    `running = True`    `font = pg.font.SysFont("simsun", 99, bold=True)  # 使用粗体字`    `text = "新年快乐!(2024)"`    `text_color = (255, 0, 0)  # 使用鲜艳的红色`    `rendered_text = font.render(text, True, text_color)`    `while running:`        `clock.tick(30)`        `for event in pg.event.get():`            `if event.type == pg.QUIT:`                `running = False`        `screen.fill((20, 20, 30))`        `text_width = rendered_text.get_width()`        `text_height = rendered_text.get_height()`        `text_x = (screenWidth - text_width) // 2`        `text_y = (screenHeight - text_height) // 2 - 99`        `screen.blit(rendered_text, (text_x, text_y))`        `if ra.randint(0, 10) == 1:`            `fireworks.append(Firework())`        `update(screen, fireworks)`    `pg.quit()``   ``if __name__ == "__main__":`    `fire()
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