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💂 作者主页: 【进入主页—🚀获取更多源码】
🎓 web前端期末大作业： 【📚HTML5网页期末作业 (1000套) 】
🧡 程序员有趣的告白方式：【💌HTML七夕情人节表白网页制作 (125套) 】
七夕来袭！是时候展现专属于程序员的浪漫了！你打算怎么给心爱的人表达爱意？鲜花礼物？代码表白？还是创意DIY？或者…无论那种形式，快来秀我们一脸吧！
二、📚网站介绍
📒网站文件方面：html网页结构文件、css网页样式文件、js网页特效文件、images网页图片文件；
📙网页编辑方面：可使用任意HTML编辑软件（如：Dreamweaver、HBuilder、Vscode 、Sublime 、Webstorm、Text 、Notepad++ 等任意html编辑软件进行运行及修改编辑等操作）。
其中：
（1）📜html文件包含：其中index.html是首页、其他html为二级页面；
（2）📑 css文件包含：css全部页面样式,3D动态效果,雪花飘落等等
（3）📄 js文件包含：页面炫酷效果实现
三、🔗网站效果
▶️1.视频演示
110 华丽满屏烟花-生日快乐
🧩 2.图片演示
四、💒 网站代码
🧱HTML结构代码
<!doctype html>
<html>
<head>
<meta charset="utf-8">
<title>安婷生日快乐</title>
<style> html,body{
margin:0px; width:100%; height:100%; overflow:hidden; background:linear-gradient(to left top,blue,pink); } </style>
</head>
<body>
<audio style="display:none" autoplay loop>
<source src="生日快乐.mp3" type="audio/mpeg">
</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"></span><span class="tabs-label"></span><span class="tabs-label"></span></div>
<div class="tabs-panels">
<ul class="tabs-panel commands">
</ul>
</div>
</div>
</div>
<script> 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>
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