2023跨年烟花3D最炫烟花，html最酷炫动态烟花源码分享，点击即可直接运行
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- 📆 首发时间：2022/12/25
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翩翩浊世佳公子，富贵功名总等闲 ——纳兰性德《纳兰词》
去年年末，闲来无事写了一篇除夕最炫烟花的文章，受到了大家的广泛喜爱，今年又是一个无聊的周末，找了一份3D版的烟花源码送给大家。仍然是小白也能轻松上手，一起感受html的美吧！
以下是正文
一、效果展示
二、不多哔哔，直接上代码
小白不想看代码的，可直接跳转第三步，获取源码直接运行。
全部代码（Html）:
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>HTML5+Canvas漂亮的3D烟花动画生日特效</title>
<style>
html,body
margin:0px;
width:100%;
height:100%;
overflow:hidden;
background:#000;
</style>
</head>
<body>
<audio id="a1" loop="loop">
<source src="https://music.163.com/song/media/outer/url?id=1877996649.mp3">
</audio>
<canvas id="canvas" style="position:absolute;width:100%;height:100%;z-index:8888"></canvas>
<canvas style="position:absolute;width:100%;height:100%;z-index:9999" class="canvas" ></canvas>
<div class="overlay">
<div class="tabs">
<div class="tabs-labels"><span class="tabs-label">Commands</span><span class="tabs-label">Info</span><span class="tabs-label">Share</span></div>
<div class="tabs-panels">
<ul class="tabs-panel commands">
</ul>
</div>
</div>
</div>
<script>
window.onload=function ()
let oA=document.querySelector("#a1");
let timer=null;
function autoPlay()
if (oA.paused)
oA.paused=false;
oA.volume=0.5;
oA.play();
else
clearInterval(timer);
timer=setInterval(autoPlay,1);
function initVars()
pi=Math.PI;
ctx=canvas.getContext("2d");
canvas.width=canvas.clientWidth;
canvas.height=canvas.clientHeight;
cx=canvas.width/2;
cy=canvas.height/2;
playerZ=-25;
playerX=playerY=playerVX=playerVY=playerVZ=pitch=yaw=pitchV=yawV=0;
scale=600;
seedTimer=0;seedInterval=5,seedLife=100;gravity=.02;
seeds=new Array();
sparkPics=new Array();
s="https://cantelope.org/NYE/";
for(i=1;i<=10;++i)
sparkPic=new Image();
sparkPic.src=s+"spark"+i+".png";
sparkPics.push(sparkPic);
sparks=new Array();
pow1=new Audio(s+"pow1.ogg");
pow2=new Audio(s+"pow2.ogg");
pow3=new Audio(s+"pow3.ogg");
pow4=new Audio(s+"pow4.ogg");
frames = 0;
function rasterizePoint(x,y,z)
var p,d;
x-=playerX;
y-=playerY;
z-=playerZ;
p=Math.atan2(x,z);
d=Math.sqrt(x*x+z*z);
x=Math.sin(p-yaw)*d;
z=Math.cos(p-yaw)*d;
p=Math.atan2(y,z);
d=Math.sqrt(y*y+z*z);
y=Math.sin(p-pitch)*d;
z=Math.cos(p-pitch)*d;
var rx1=-1000,ry1=1,rx2=1000,ry2=1,rx3=0,ry3=0,rx4=x,ry4=z,uc=(ry4-ry3)*(rx2-rx1)-(rx4-rx3)*(ry2-ry1);
if(!uc) return x:0,y:0,d:-1;
var ua=((rx4-rx3)*(ry1-ry3)-(ry4-ry3)*(rx1-rx3))/uc;
var ub=((rx2-rx1)*(ry1-ry3)-(ry2-ry1)*(rx1-rx3))/uc;
if(!z)z=.000000001;
if(ua>0&&ua<1&&ub>0&&ub<1)
return
x:cx+(rx1+ua*(rx2-rx1))*scale,
y:cy+y/z*scale,
d:Math.sqrt(x*x+y*y+z*z)
;
else
return
x:cx+(rx1+ua*(rx2-rx1))*scale,
y:cy+y/z*scale,
d:-1
;
function spawnSeed()
seed=new Object();
seed.x=-50+Math.random()*100;
seed.y=25;
seed.z=-50+Math.random()*100;
seed.vx=.1-Math.random()*.2;
seed.vy=-1.5;//*(1+Math.random()/2);
seed.vz=.1-Math.random()*.2;
seed.born=frames;
seeds.push(seed);
function splode(x,y,z)
t=5+parseInt(Math.random()*150);
sparkV=1+Math.random()*2.5;
type=parseInt(Math.random()*3);
switch(type)
case 0:
pic1=parseInt(Math.random()*10);
break;
case 1:
pic1=parseInt(Math.random()*10);
do pic2=parseInt(Math.random()*10); while(pic2==pic1);
break;
case 2:
pic1=parseInt(Math.random()*10);
do pic2=parseInt(Math.random()*10); while(pic2==pic1);
do pic3=parseInt(Math.random()*10); while(pic3==pic1 || pic3==pic2);
break;
for(m=1;m<t;++m)
spark=new Object();
spark.x=x; spark.y=y; spark.z=z;
p1=pi*2*Math.random();
p2=pi*Math.random();
v=sparkV*(1+Math.random()/6)
spark.vx=Math.sin(p1)*Math.sin(p2)*v;
spark.vz=Math.cos(p1)*Math.sin(p2)*v;
spark.vy=Math.cos(p2)*v;
switch(type)
case 0: spark.img=sparkPics[pic1]; break;
case 1:
spark.img=sparkPics[parseInt(Math.random()*2)?pic1:pic2];
break;
case 2:
switch(parseInt(Math.random()*3))
case 0: spark.img=sparkPics[pic1]; break;
case 1: spark.img=sparkPics[pic2]; break;
case 2: spark.img=sparkPics[pic3]; break;
break;
spark.radius=25+Math.random()*50;
spark.alpha=1;
spark.trail=new Array();
sparks.push(spark);
switch(parseInt(Math.random()*4))
case 0: pow=new Audio(s+"pow1.ogg"); break;
case 1: pow=new Audio(s+"pow2.ogg"); break;
case 2: pow=new Audio(s+"pow3.ogg"); break;
case 3: pow=new Audio(s+"pow4.ogg"); break;
d=Math.sqrt((x-playerX)*(x-playerX)+(y-playerY)*(y-playerY)+(z-playerZ)*(z-playerZ));
pow.volume=1.5/(1+d/10);
pow.play();
function doLogic()
if(seedTimer<frames)
seedTimer=frames+seedInterval*Math.random()*10;
spawnSeed();
for(i=0;i<seeds.length;++i)
seeds[i].vy+=gravity;
seeds[i].x+=seeds[i].vx;
seeds[i].y+=seeds[i].vy;
seeds[i].z+=seeds[i].vz;
if(frames-seeds[i].born>seedLife)
splode(seeds[i].x,seeds[i].y,seeds[i].z);
seeds.splice(i,1);
for(i=0;i<sparks.length;++i)
if(sparks[i].alpha>0 && sparks[i].radius>5)
sparks[i].alpha-=.01;
sparks[i].radius/=1.02;
sparks[i].vy+=gravity;
point=new Object();
point.x=sparks[i].x;
point.y=sparks[i].y;
point.z=sparks[i].z;
if(sparks[i].trail.length)
x=sparks[i].trail[sparks[i].trail.length-1].x;
y=sparks[i].trail[sparks[i].trail.length-1].y;
z=sparks[i].trail[sparks[i].trail.length-1].z;
d=((point.x-x)以上是关于2023跨年烟花3D最炫烟花，html最酷炫动态烟花源码分享，点击即可直接运行的主要内容，如果未能解决你的问题，请参考以下文章
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