定制化开发除夕最绚丽3D烟花代码(html+音效)

定制化开发今天就是除夕了,定制化开发新年怎么能少得了烟花呢?虽然绝大部分地区禁止燃放烟花,但该欣赏的烟花还是要欣赏滴~~
最近整理文件,找到了一份烟花代码,3D特效,今天分享给大家,希望大家喜欢。




话不多说,如下,赶快操练起来吧~~

  • 提取码:hpny
<!doctype html><html><head><meta charset="utf-8"><title>新年烟花</title><style>html,body{	margin:0px;	width:100%;	height:100%;	overflow:hidden;	background:#000;}</style></head><body><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>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>		/*  Shape Shifter  =============  A canvas experiment by Kenneth Cachia  http://www.kennethcachia.com  Updated code  ------------  https://github.com/kennethcachia/Shape-Shifter*/var S = {  init: function () {    var action = window.location.href,        i = action.indexOf('?a='); 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x : w;        h = y > h ? y : h;        fx = x < fx ? x : fx;        fy = y < fy ? y : fy;      }      x += gap;      if (x >= shapeCanvas.width) {        x = 0;        y += gap;        p += gap * 4 * shapeCanvas.width;      }    }    return { dots: dots, w: w + fx, h: h + fy };  }  function setFontSize(s) {    shapeContext.font = 'bold ' + s + 'px ' + fontFamily;  }  function isNumber(n) {    return !isNaN(parseFloat(n)) && isFinite(n);  }  function init() {    fit();    window.addEventListener('resize', fit);  }  // Init  init();  return {    imageFile: function (url, callback) {      var image = new Image(),          a = S.Drawing.getArea();      image.onload = function () {        shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);        shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);        callback(processCanvas());      };      image.onerror = function () {        callback(S.ShapeBuilder.letter('What?'));      }      image.src = url;    },    circle: function (d) {      var r = Math.max(0, d) / 2;      shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);      shapeContext.beginPath();      shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);      shapeContext.fill();      shapeContext.closePath();      return processCanvas();    },    letter: function (l) {      var s = 0;      setFontSize(fontSize);      s = Math.min(fontSize,                  (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,                  (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);      setFontSize(s);      shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);      shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);      return processCanvas();    },    rectangle: function (w, h) {      var dots = [],          width = gap * w,          height = gap * h;      for (var y = 0; y < height; y += gap) {        for (var x = 0; x < width; x += gap) {          dots.push(new S.Point({            x: x,            y: y,          }));        }      }      return { dots: dots, w: width, h: height };    }  };}());S.Shape = (function () {  var dots = [],      width = 0,      height = 0,      cx = 0,      cy = 0;  function compensate() {    var a = S.Drawing.getArea();    cx = a.w / 2 - width / 2;    cy = a.h / 2 - height / 2;  }  return {    shuffleIdle: function () {      var a = S.Drawing.getArea();      for (var d = 0; d < dots.length; d++) {        if (!dots[d].s) {          dots[d].move({            x: Math.random() * a.w,            y: Math.random() * a.h          });        }      }    },    switchShape: function (n, fast) {      var size,          a = S.Drawing.getArea();      width = n.w;      height = n.h;      compensate();      if (n.dots.length > dots.length) {        size = n.dots.length - dots.length;        for (var d = 1; d <= size; d++) {          dots.push(new S.Dot(a.w / 2, a.h / 2));        }      }      var d = 0,          i = 0;      while (n.dots.length > 0) {        i = Math.floor(Math.random() * n.dots.length);        dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);        if (dots[d].s) {          dots[d].move(new S.Point({            z: Math.random() * 20 + 10,            a: Math.random(),            h: 18          }));        } else {          dots[d].move(new S.Point({            z: Math.random() * 5 + 5,            h: fast ? 18 : 30          }));        }        dots[d].s = true;        dots[d].move(new S.Point({          x: n.dots[i].x + cx,          y: n.dots[i].y + cy,          a: 1,          z: 5,          h: 0        }));        n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));        d++;      }      for (var i = d; i < dots.length; i++) {        if (dots[i].s) {          dots[i].move(new S.Point({            z: Math.random() * 20 + 10,            a: Math.random(),            h: 20          }));          dots[i].s = false;          dots[i].e = 0.04;          dots[i].move(new S.Point({            x: Math.random() * a.w,            y: Math.random() * a.h,            a: 0.3, //.4            z: Math.random() * 4,            h: 0          }));        }      }    },    render: function () {      for (var d = 0; d < dots.length; d++) {        dots[d].render();      }    }  }}());S.init();</script></body></html>
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将源码复制到 txt 文档里,后缀名改为 html ,双击打开即可。
最后祝大家虎年快乐~~

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