跨年烟花

  • RLiuZ1111
    了解作者
  • Others
    开发工具
  • 650.5KB
    文件大小
  • rar
    文件格式
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  • 1 积分
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  • 2022-08-17 16:54
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各种网页跨年烟花,谨慎下载,清泉山。。。
跨年代码合集.rar
  • 跨年代码合集
  • HTML5五彩烟花动画特效
  • js
  • jquery.min.js
    93.7KB
  • firework.js
    5.7KB
  • index.html
    788B
  • HTML5夜景放烟花绽放动画效果
  • img
  • moon.png
    35.9KB
  • city.png
    222.3KB
  • index.html
    10.1KB
  • HTML5鼠标点击页面放烟花特效
  • js
  • jquery-2.0.0.min.js
    81.1KB
  • index.html
    9.5KB
  • HTML5点击泡沫横飞烟花特效
  • js
  • Stats.min.js
    2.1KB
  • three.min.js
    491.3KB
  • index.html
    8.3KB
  • HTML5烟花喷泉
  • js
  • jquery-1.8.3.min.js
    91.4KB
  • index.html
    2.9KB
  • HTML5全屏烟花动画特效
  • index.html
    9.8KB
  • 指哪打哪的HTML5+JS烟花特效
  • index.html
    9.8KB
  • Canvas绘制3D烟花动画特效
  • index.html
    7.8KB
  • HTML5全屏烟花特效
  • js
  • jquery-1.11.0.min.js
    94.1KB
  • jquery.fireworks.js
    188.7KB
  • css
  • demo.css
    753B
  • normalize.css
    1.8KB
  • index.html
    1KB
  • HTML5点击页面烟花绽放特效
  • index.html
    6.9KB
内容介绍
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head> <meta http-equiv="Content-Type" content="text/html;charset=gb2312"> <style> body{margin:0;padding:0;overflow: hidden;} .city{width:100%;position:fixed;bottom: 0px;z-index: 100;} .city img{width: 100%;} </style> <title>html5夜景放烟花绽放动画效果 - 白大锅素材</title> </head> <body onselectstart = "return false"> <div style="height:700px;overflow:hidden;"> <canvas id='cas' style="background-color:rgba(0,5,24,1);">浏览器不支持canvas</canvas> <div class="city"></div> <div style="display:none"> <div class="shape">新年快乐</div> <div class="shape">合家幸福</div> <div class="shape">万事如意</div> <div class="shape">心想事成</div> <div class="shape">财源广进</div> </div> </div> <script> var canvas = document.getElementById("cas"); var ocas = document.createElement("canvas"); var octx = ocas.getContext("2d"); var ctx = canvas.getContext("2d"); ocas.width = canvas.width = window.innerWidth; ocas.height = canvas.height = 700; var bigbooms = []; window.onload = function(){ initAnimate() } function initAnimate(){ drawBg(); lastTime = new Date(); animate(); } var lastTime; function animate(){ ctx.save(); ctx.fillStyle = "rgba(0,5,24,0.1)"; ctx.fillRect(0,0,canvas.width,canvas.height); ctx.restore(); var newTime = new Date(); if(newTime-lastTime>500+(window.innerHeight-767)/2){ var random = Math.random()*100>2?true:false; var x = getRandom(canvas.width/5 , canvas.width*4/5); var y = getRandom(50 , 200); if(random){ var bigboom = new Boom(getRandom(canvas.width/3,canvas.width*2/3) ,2,"#FFF" , {x:x , y:y}); bigbooms.push(bigboom) } else { var bigboom = new Boom(getRandom(canvas.width/3,canvas.width*2/3) ,2,"#FFF" , {x:canvas.width/2 , y:200} , document.querySelectorAll(".shape")[parseInt(getRandom(0, document.querySelectorAll(".shape").length))]); bigbooms.push(bigboom) } lastTime = newTime; console.log(bigbooms) } stars.foreach(function(){ this.paint(); }) drawMoon(); bigbooms.foreach(function(index){ var that = this; if(!this.dead){ this._move(); this._drawLight(); } else{ this.booms.foreach(function(index){ if(!this.dead) { this.moveTo(index); } else if(index === that.booms.length-1){ bigbooms[bigbooms.indexOf(that)] = null; } }) } }); raf(animate); } function drawMoon(){ var moon = document.getElementById("moon"); var centerX = canvas.width-200 , centerY = 100 , width = 80; if(moon.complete){ ctx.drawImage(moon , centerX , centerY , width , width ) } else { moon.onload = function(){ ctx.drawImage(moon ,centerX , centerY , width , width) } } var index = 0; for(var i=0;i<10;i++){ ctx.save(); ctx.beginPath(); ctx.arc(centerX+width/2 , centerY+width/2 , width/2+index , 0 , 2*Math.PI); ctx.fillStyle="rgba(240,219,120,0.005)"; index+=2; ctx.fill(); ctx.restore(); } } Array.prototype.foreach = function(callback){ for(var i=0;i<this.length;i++){ if(this[i]!==null) callback.apply(this[i] , [i]) } } var raf = window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || window.oRequestAnimationFrame || window.msRequestAnimationFrame || function (callback) { window.setTimeout(callback, 1000 / 60); }; canvas.onclick = function(){ var x = event.clientX; var y = event.clientY; var bigboom = new Boom(getRandom(canvas.width/3,canvas.width*2/3) ,2,"#FFF" , {x:x , y:y}); bigbooms.push(bigboom) } // canvas.addEventLisener("touchstart" , function(event){ // var touch = event.targetTouches[0]; // var x = event.pageX; // var y = event.pageY; // var bigboom = new Boom(getRandom(canvas.width/3,canvas.width*2/3) ,2,"#FFF" , {x:x , y:y}); // bigbooms.push(bigboom) // }) var Boom = function(x,r,c,boomArea,shape){ this.booms = []; this.x = x; this.y = (canvas.height+r); this.r = r; this.c = c; this.shape = shape || false; this.boomArea = boomArea; this.theta = 0; this.dead = false; this.ba = parseInt(getRandom(80 , 200)); } Boom.prototype = { _paint:function(){ ctx.save(); ctx.beginPath(); ctx.arc(this.x,this.y,this.r,0,2*Math.PI); ctx.fillStyle = this.c; ctx.fill(); ctx.restore(); }, _move:function(){ var dx = this.boomArea.x - this.x , dy = this.boomArea.y - this.y; this.x = this.x+dx*0.01; this.y = this.y+dy*0.01; if(Math.abs(dx)<=this.ba && Math.abs(dy)<=this.ba){ if(this.shape){ this._shapBoom(); } else this._boom(); this.dead = true; } else { this._paint(); } }, _drawLight:function(){ ctx.save(); ctx.fillStyle = "rgba(255,228,150,0.3)"; ctx.beginPath(); ctx.arc(this.x , this.y , this.r+3*Math.random()+1 , 0 , 2*Math.PI); ctx.fill(); ctx.restore(); }, _boom:function(){ var fragNum = getRandom(30 , 200); var style = getRandom(0,10)>=5? 1 : 2; var color; if(style===1){ color = { a:parseInt(getRandom(128,255)), b:parseInt(getRandom(128,255)), c:parseInt(getRandom(128,255)) } } var fanwei = parseInt(getRandom(300, 400)); for(var i=0;i<fragNum;i++){ if(style===2){ color = { a:parseInt(getRandom(128,255)), b:parseInt(getRandom(128,255)), c:parseInt(getRandom(128,255)) } } var a = getRandom(-Math.PI, Math.PI); var x = getRandom(0, fanwei) * Math.cos(a) + this.x; var y = getRandom(0, fanwei) * Math.sin(a) + this.y; var radius = getRandom(0 , 2) var frag = new Frag(this.x , this.y , radius , color , x , y ); this.booms.push(frag); } }, _shapBoom:function(){ var that = this; putValue(ocas , octx , this.shape , 5, function(dots){ var dx = canvas.width/2-that.x; var dy = canvas.height/2-that.y; for(var i=0;i<dots.length;i++){ color = {a:dots[i].a,b:dots[i].b,c:dots[i].c} var x = dots[i].x; var y = dots[i].y; var radius = 1; var frag = new Frag(that.x , that.y , radius , color , x-dx , y-dy); that.booms.push(frag); } }) } } function putValue(canvas , context , ele , dr , callback){ context.clearRect(0,0,canvas.width,canvas.height); var img = new Image(); if(ele.innerHTML.indexOf("img")>=0){ img.src = ele.getElementsByTagName("img")[0].src; imgload(img , function(){ context.drawImage(img , canvas.width/2 - img.width/2 , canvas.height/2 - img.width/2); dots = getimgData(canvas , context , dr); callback(dots); }) } else { var text = ele.innerHTML; context.save(); var fontSize =200; context.font = fontSize+"px 宋体 bold"; context.textAlign = "center"; context.textBaseline = "middle"; context.fillStyle = "rgba("+parseInt(getRandom(128,255))+","+parseInt(getRandom(128,255))+","+parseInt(getRandom(128,255))+" , 1)"; context.fillText(text , canvas.width/2 , canvas.height/2); context.restore(); dots = getimgData(canvas , context , dr); callback(dots); } } function imgload(img , callback){ if(img.complete){ callback.call(img); } else { img.onload = function(){ callback.call(this); } } } f
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