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

2024-02-23 前端 0

📋 前言

🖱 博客主页：在下马农的碎碎念
✍ 本文由在下马农原创，首发于CSDN
📆 首发时间：2022/12/25
📅 最近更新时间：2022/12/25
🤵 此马非凡马，房星本是星。向前敲瘦骨，犹自带铜声。
🙏作者水平有限，如发现错误，请留言轰炸哦！万分感谢！
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《《神奇的HTML总目录》》

汇集所有绚丽HTML效果，分享所有源码，小白也可体验前端HTML的乐趣

目录传送门：🍒🍒神奇的HTML🍒🍒

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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！

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以下是正文

一、效果展示

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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)*(point.x-x)+(point.y-y)*(point.y-y)+(point.z-z)*(point.z-z));				if(d>9){					sparks[i].trail.push(point);				}			}else{				sparks[i].trail.push(point);			}			if(sparks[i].trail.length>5)sparks[i].trail.splice(0,1);			sparks[i].x+=sparks[i].vx;			sparks[i].y+=sparks[i].vy;			sparks[i].z+=sparks[i].vz;			sparks[i].vx/=1.075;			sparks[i].vy/=1.075;			sparks[i].vz/=1.075;		}else{			sparks.splice(i,1);		}	}	p=Math.atan2(playerX,playerZ);	d=Math.sqrt(playerX*playerX+playerZ*playerZ);	d+=Math.sin(frames/80)/1.25;	t=Math.sin(frames/200)/40;	playerX=Math.sin(p+t)*d;	playerZ=Math.cos(p+t)*d;	yaw=pi+p+t;}function rgb(col){	var r = parseInt((.5+Math.sin(col)*.5)*16);	var g = parseInt((.5+Math.cos(col)*.5)*16);	var b = parseInt((.5-Math.sin(col)*.5)*16);	return "#"+r.toString(16)+g.toString(16)+b.toString(16);}function draw(){	ctx.clearRect(0,0,cx*2,cy*2);	ctx.fillStyle="#ff8";	for(i=-100;i<100;i+=3){		for(j=-100;j<100;j+=4){			x=i;z=j;y=25;			point=rasterizePoint(x,y,z);			if(point.d!=-1){				size=250/(1+point.d);				d = Math.sqrt(x * x + z * z);				a = 0.75 - Math.pow(d / 100, 6) * 0.75;				if(a>0){					ctx.globalAlpha = a;					ctx.fillRect(point.x-size/2,point.y-size/2,size,size);				}			}		}	}	ctx.globalAlpha=1;	for(i=0;i<seeds.length;++i){		point=rasterizePoint(seeds[i].x,seeds[i].y,seeds[i].z);		if(point.d!=-1){			size=200/(1+point.d);			ctx.fillRect(point.x-size/2,point.y-size/2,size,size);		}	}	point1=new Object();	for(i=0;i<sparks.length;++i){		point=rasterizePoint(sparks[i].x,sparks[i].y,sparks[i].z);		if(point.d!=-1){			size=sparks[i].radius*200/(1+point.d);			if(sparks[i].alpha<0)sparks[i].alpha=0;			if(sparks[i].trail.length){				point1.x=point.x;				point1.y=point.y;				switch(sparks[i].img){					case sparkPics[0]:ctx.strokeStyle="#f84";break;					case sparkPics[1]:ctx.strokeStyle="#84f";break;					case sparkPics[2]:ctx.strokeStyle="#8ff";break;					case sparkPics[3]:ctx.strokeStyle="#fff";break;					case sparkPics[4]:ctx.strokeStyle="#4f8";break;					case sparkPics[5]:ctx.strokeStyle="#f44";break;					case sparkPics[6]:ctx.strokeStyle="#f84";break;					case sparkPics[7]:ctx.strokeStyle="#84f";break;					case sparkPics[8]:ctx.strokeStyle="#fff";break;					case sparkPics[9]:ctx.strokeStyle="#44f";break;				}				for(j=sparks[i].trail.length-1;j>=0;--j){					point2=rasterizePoint(sparks[i].trail[j].x,sparks[i].trail[j].y,sparks[i].trail[j].z);					if(point2.d!=-1){						ctx.globalAlpha=j/sparks[i].trail.length*sparks[i].alpha/2;						ctx.beginPath();						ctx.moveTo(point1.x,point1.y);						ctx.lineWidth=1+sparks[i].radius*10/(sparks[i].trail.length-j)/(1+point2.d);						ctx.lineTo(point2.x,point2.y);						ctx.stroke();						point1.x=point2.x;						point1.y=point2.y;					}				}			}			ctx.globalAlpha=sparks[i].alpha;			ctx.drawImage(sparks[i].img,point.x-size/2,point.y-size/2,size,size);		}	}}function frame(){	if(frames>100000){		seedTimer=0;		frames=0;	}	frames++;	draw();	doLogic();	requestAnimationFrame(frame);}window.addEventListener("resize",()=>{	canvas.width=canvas.clientWidth;	canvas.height=canvas.clientHeight;	cx=canvas.width/2;	cy=canvas.height/2;});initVars();frame();</script><script src="js/index.js"></script></body></html>