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过年过节通过html+css+js代码实现：超级好看的放烟花效果(含背景音乐)_新年网页特效

作者：AllinToyou | 2024-02-15 14:58:19

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新年网页特效

文章目录：

一：放烟花 

1. 运行效果

2.代码

二：新年快乐

1.运行效果

2.代码

一：放烟花 

1. 运行效果

效果图◕‿◕✌✌✌ 

2.代码

新建文件——>修改后缀为".html"的格式——>然后在浏览器打开 

  1. <!DOCTYPE html>
  2. <html>
  3. 	<head>
  4. 		<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
  5. 		<title>带你赏烟花</title>
  6.  
  7. 		<style>
  8. 			html,body{height:100%;margin:0;padding:0}
  9. 			ul,li{text-indent:0;text-decoration:none;margin:0;padding:0}
  10. 			img{border:0}
  11. 			//body{background-color:#000;color:#999;font:100%/18px helvetica, arial, sans-serif}
  12. 			body{
  13. 				background-image:url('https://pic.imgdb.cn/item/65904a9dc458853aef39cba8.png');no-repeat：background-image;background-size:100% 100%;
  14. 				color:#999;font:100%/18px helvetica, arial, sans-serif}
  15. 			canvas{cursor:crosshair;display:block;left:0;position:absolute;top:0;z-index:20}
  16. 		</style>
  17. 	</head>
  18. 	
  19. 	<body>
  20. 		<!--autoplay loop controls hidden id="audios" type="audio/mp3-->
  21. 		<audio src="https://www.joy127.com/url/108693.mp3" autoplay="autoplay"  loop="loop" preload="auto" controls="controls" hidden id="audios" type="audio/mp3"></audio>
  22.  
  23. 		<script type="text/javascript" src="https://cdn.bootcss.com/jquery/3.2.0/jquery.js"></script>
  24.  
  25. 		<script>
  26. 			<!--自动播放（手机）-->
  27. 			window.onload = function() {
  28.     			var music = new Audio("music.mp3");
  29.    			 music.play();
  30. 			};
  31.  
  32. 			<!--单击自动播放（电脑）-->
  33. 			document.addEventListener('click', function() {
  34.   			document.getElementById('audios').play();
  35. 			});
  36.  
  37. 			<!--加载自动播放（电脑）-->
  38. 			document.addEventListener('touchstart', function() {
  39.  			document.getElementById('audios').play();
  40. 			});
  41. 		</script>
  42.  
  43. 		<script type="text/javascript">
  44. 			$(function(){
  45. 			var Fireworks = function(){
  46. 			var self = this;
  47. 			var rand = function(rMi, rMa){return ~~((Math.random()*(rMa-rMi+1))+rMi);}
  48. 			var hitTest = function(x1, y1, w1, h1, x2, y2, w2, h2){return !(x1 + w1 < x2 || x2 + w2 < x1 || y1 + h1 < y2 || y2 + h2 < y1);};
  49. 			window.requestAnimFrame=function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(a){window.setTimeout(a,1E3/60)}}();
  50.  
  51. 			self.init = function(){ 
  52. 			self.canvas = document.createElement('canvas');             
  53. 			self.canvas.width = self.cw = $(window).innerWidth();
  54. 			self.canvas.height = self.ch = $(window).innerHeight();         
  55. 			self.particles = [];    
  56. 			self.partCount = 500;	//密集度
  57. 			self.fireworks = [];    
  58. 			self.mx = self.cw/2;
  59. 			self.my = self.ch/2;
  60. 			self.currentHue = 30;
  61. 			self.partSpeed = 3;		//大小
  62. 			self.partSpeedVariance = 15;	//爆炸范围
  63. 			self.partWind =10;		//线条形状
  64. 			self.partFriction = 10;	//烟花大小
  65. 			self.partGravity = 1;		//下坠
  66. 			self.hueMin = 0;
  67. 			self.hueMax = 500;		//颜色
  68. 			self.fworkSpeed = 2;	//速度
  69. 			self.fworkAccel = 5;		//导向显示
  70. 			self.hueVariance = 5;
  71. 			self.flickerDensity = 250;
  72. 			self.showShockwave = true;
  73. 			self.showTarget = false;
  74. 			self.clearAlpha = 70;	//消失的速度
  75.  
  76. 			$(document.body).append(self.canvas);
  77. 			self.ctx = self.canvas.getContext('2d');
  78. 			self.ctx.lineCap = 'round';
  79. 			self.ctx.lineJoin = 'round';	
  80. 			self.lineWidth = 1;		//粗细
  81. 			self.bindEvents();          
  82. 			self.canvasLoop();
  83.  
  84. 			self.canvas.onselectstart = function() {
  85. 			return false;
  86. 			};
  87. 			};      
  88.  
  89. 			self.createParticles = function(x,y, hue){
  90. 			var countdown = self.partCount;
  91. 			while(countdown--){
  92. 			var newParticle = {
  93. 				x: x,
  94. 				y: y,
  95. 				coordLast: [
  96. 					{x: x, y: y},
  97. 					{x: x, y: y},
  98. 					{x: x, y: y}
  99. 				],
  100. 				angle: rand(0, 360),
  101. 				speed: rand(((self.partSpeed - self.partSpeedVariance) <= 0) ? 1 : self.partSpeed - self.partSpeedVariance, (self.partSpeed + self.partSpeedVariance)),
  102. 				friction: 1 - self.partFriction/100,
  103. 				gravity: self.partGravity/2,
  104. 				hue: rand(hue-self.hueVariance, hue+self.hueVariance),
  105. 				brightness: rand(50, 80),
  106. 				alpha: rand(40,100)/100,
  107. 				decay: rand(10, 50)/1000,
  108. 				wind: (rand(0, self.partWind) - (self.partWind/2))/25,
  109. 				lineWidth: self.lineWidth
  110. 			};              
  111. 			self.particles.push(newParticle);
  112. 			}
  113. 			};
  114.  
  115.  
  116. 			self.updateParticles = function(){
  117. 			var i = self.particles.length;
  118. 			while(i--){
  119. 			var p = self.particles[i];
  120. 			var radians = p.angle * Math.PI / 180;
  121. 			var vx = Math.cos(radians) * p.speed;
  122. 			var vy = Math.sin(radians) * p.speed;
  123. 			p.speed *= p.friction;
  124. 							
  125. 			p.coordLast[2].x = p.coordLast[1].x;
  126. 			p.coordLast[2].y = p.coordLast[1].y;
  127. 			p.coordLast[1].x = p.coordLast[0].x;
  128. 			p.coordLast[1].y = p.coordLast[0].y;
  129. 			p.coordLast[0].x = p.x;
  130. 			p.coordLast[0].y = p.y;
  131.  
  132. 			p.x += vx;
  133. 			p.y += vy;
  134. 			p.y += p.gravity;
  135.  
  136. 			p.angle += p.wind;              
  137. 			p.alpha -= p.decay;
  138.  
  139. 			if(!hitTest(0,0,self.cw,self.ch,p.x-p.radius, p.y-p.radius, p.radius*2, p.radius*2) || p.alpha < .05){                  
  140. 				self.particles.splice(i, 1);    
  141. 			}
  142. 			};
  143. 			};
  144.  
  145. 			self.drawParticles = function(){
  146. 			var i = self.particles.length;
  147. 			while(i--){
  148. 			var p = self.particles[i];                          
  149.  
  150. 			var coordRand = (rand(1,3)-1);
  151. 			self.ctx.beginPath();                               
  152. 			self.ctx.moveTo(Math.round(p.coordLast[coordRand].x), Math.round(p.coordLast[coordRand].y));
  153. 			self.ctx.lineTo(Math.round(p.x), Math.round(p.y));
  154. 			self.ctx.closePath();               
  155. 			self.ctx.strokeStyle = 'hsla('+p.hue+', 100%, '+p.brightness+'%, '+p.alpha+')';
  156. 			self.ctx.stroke();              
  157.  
  158. 			if(self.flickerDensity > 0){
  159. 				var inverseDensity = 50 - self.flickerDensity;                  
  160. 				if(rand(0, inverseDensity) === inverseDensity){
  161. 					self.ctx.beginPath();
  162. 					self.ctx.arc(Math.round(p.x), Math.round(p.y), rand(p.lineWidth,p.lineWidth+3)/2, 0, Math.PI*2, false)
  163. 					self.ctx.closePath();
  164. 					var randAlpha = rand(50,100)/100;
  165. 					self.ctx.fillStyle = 'hsla('+p.hue+', 100%, '+p.brightness+'%, '+randAlpha+')';
  166. 					self.ctx.fill();
  167. 				}   
  168. 			}
  169. 			};
  170. 			};
  171.  
  172.  
  173. 			self.createFireworks = function(startX, startY, targetX, targetY){
  174. 			var newFirework = {
  175. 			x: startX,
  176. 			y: startY,
  177. 			startX: startX,
  178. 			startY: startY,
  179. 			hitX: false,
  180. 			hitY: false,
  181. 			coordLast: [
  182. 				{x: startX, y: startY},
  183. 				{x: startX, y: startY},
  184. 				{x: startX, y: startY}
  185. 			],
  186. 			targetX: targetX,
  187. 			targetY: targetY,
  188. 			speed: self.fworkSpeed,
  189. 			angle: Math.atan2(targetY - startY, targetX - startX),
  190. 			shockwaveAngle: Math.atan2(targetY - startY, targetX - startX)+(90*(Math.PI/180)),
  191. 			acceleration: self.fworkAccel/100,
  192. 			hue: self.currentHue,
  193. 			brightness: rand(50, 80),
  194. 			alpha: rand(50,100)/100,
  195. 			lineWidth: self.lineWidth
  196. 			};          
  197. 			self.fireworks.push(newFirework);
  198.  
  199. 			};
  200.  
  201.  
  202. 			self.updateFireworks = function(){
  203. 			var i = self.fireworks.length;
  204.  
  205. 			while(i--){
  206. 			var f = self.fireworks[i];
  207. 			self.ctx.lineWidth = f.lineWidth;
  208.  
  209. 			vx = Math.cos(f.angle) * f.speed,
  210. 			vy = Math.sin(f.angle) * f.speed;
  211. 			f.speed *= 1 + f.acceleration;              
  212. 			f.coordLast[2].x = f.coordLast[1].x;
  213. 			f.coordLast[2].y = f.coordLast[1].y;
  214. 			f.coordLast[1].x = f.coordLast[0].x;
  215. 			f.coordLast[1].y = f.coordLast[0].y;
  216. 			f.coordLast[0].x = f.x;
  217. 			f.coordLast[0].y = f.y;
  218.  
  219. 			if(f.startX >= f.targetX){
  220. 				if(f.x + vx <= f.targetX){
  221. 					f.x = f.targetX;
  222. 					f.hitX = true;
  223. 				} else {
  224. 					f.x += vx;
  225. 				}
  226. 			} else {
  227. 				if(f.x + vx >= f.targetX){
  228. 					f.x = f.targetX;
  229. 					f.hitX = true;
  230. 				} else {
  231. 					f.x += vx;
  232. 				}
  233. 			}
  234.  
  235. 			if(f.startY >= f.targetY){
  236. 				if(f.y + vy <= f.targetY){
  237. 					f.y = f.targetY;
  238. 					f.hitY = true;
  239. 				} else {
  240. 					f.y += vy;
  241. 				}
  242. 			} else {
  243. 				if(f.y + vy >= f.targetY){
  244. 					f.y = f.targetY;
  245. 					f.hitY = true;
  246. 				} else {
  247. 					f.y += vy;
  248. 				}
  249. 			}               
  250.  
  251. 			if(f.hitX && f.hitY){
  252. 				self.createParticles(f.targetX, f.targetY, f.hue);
  253. 				self.fireworks.splice(i, 1);
  254. 				
  255. 			}
  256. 			};
  257. 			};
  258.  
  259. 			self.drawFireworks = function(){
  260. 			var i = self.fireworks.length;
  261. 			self.ctx.globalCompositeOperation = 'lighter';
  262. 			while(i--){
  263. 			var f = self.fireworks[i];      
  264. 			self.ctx.lineWidth = f.lineWidth;
  265.  
  266. 			var coordRand = (rand(1,3)-1);                  
  267. 			self.ctx.beginPath();                           
  268. 			self.ctx.moveTo(Math.round(f.coordLast[coordRand].x), Math.round(f.coordLast[coordRand].y));
  269. 			self.ctx.lineTo(Math.round(f.x), Math.round(f.y));
  270. 			self.ctx.closePath();
  271. 			self.ctx.strokeStyle = 'hsla('+f.hue+', 100%, '+f.brightness+'%, '+f.alpha+')';
  272. 			self.ctx.stroke();  
  273.  
  274. 			if(self.showTarget){
  275. 				self.ctx.save();
  276. 				self.ctx.beginPath();
  277. 				self.ctx.arc(Math.round(f.targetX), Math.round(f.targetY), rand(1,8), 0, Math.PI*2, false)
  278. 				self.ctx.closePath();
  279. 				self.ctx.lineWidth = 1;
  280. 				self.ctx.stroke();
  281. 				self.ctx.restore();
  282. 			}
  283. 				
  284. 			if(self.showShockwave){
  285. 				self.ctx.save();
  286. 				self.ctx.translate(Math.round(f.x), Math.round(f.y));
  287. 				self.ctx.rotate(f.shockwaveAngle);
  288. 				self.ctx.beginPath();
  289. 				self.ctx.arc(0, 0, 1*(f.speed/5), 0, Math.PI, true);
  290. 				self.ctx.strokeStyle = 'hsla('+f.hue+', 100%, '+f.brightness+'%, '+rand(25, 60)/100+')';
  291. 				self.ctx.lineWidth = f.lineWidth;
  292. 				self.ctx.stroke();
  293. 				self.ctx.restore();
  294. 			}
  295. 			};
  296. 			};
  297.  
  298. 			self.bindEvents = function(){
  299. 			$(window).on('resize', function(){          
  300. 			clearTimeout(self.timeout);
  301. 			self.timeout = setTimeout(function() {
  302. 				self.canvas.width = self.cw = $(window).innerWidth();
  303. 				self.canvas.height = self.ch = $(window).innerHeight();
  304. 				self.ctx.lineCap = 'round';
  305. 				self.ctx.lineJoin = 'round';
  306. 			},1);
  307. 			});
  308.  
  309. 			window.onload=function(){
  310. 				 tttt()
  311. 			}
  312. 			var tttt = setInterval(function(){
  313. 				 var e={'pageX':Math.random()*1900,'pageY':Math.random()*900}
  314. 				self.mx = e.pageX - self.canvas.offsetLeft;
  315. 				self.my = e.pageY - self.canvas.offsetTop;
  316. 				self.currentHue = rand(self.hueMin, self.hueMax);
  317. 				self.createFireworks(self.cw/2, self.ch, self.mx, self.my); 
  318. 			},50)      
  319. 			}
  320.  
  321. 			self.clear = function(){
  322. 			self.particles = [];
  323. 			self.fireworks = [];
  324. 			self.ctx.clearRect(0, 0, self.cw, self.ch);
  325. 			};
  326.  
  327.  
  328. 			self.canvasLoop = function(){
  329. 			requestAnimFrame(self.canvasLoop, self.canvas);         
  330. 			self.ctx.globalCompositeOperation = 'destination-out';
  331. 			self.ctx.fillStyle = 'rgba(0,0,0,'+self.clearAlpha/100+')';
  332. 			self.ctx.fillRect(0,0,self.cw,self.ch);
  333. 			self.updateFireworks();
  334. 			self.updateParticles();
  335. 			self.drawFireworks();           
  336. 			self.drawParticles();
  337.  
  338. 			};
  339.  
  340. 			self.init();        
  341.  
  342. 			}
  343. 			var fworks = new Fireworks();
  344.  
  345. 			});
  346. 		</script>
  347. 	</body>
  348. </html>

二：新年快乐

1.运行效果

2.代码

  1. <!doctype html>
  2. <html>
  3. <head>
  4. <meta charset="utf-8">
  5. <title>新年快乐</title>
  6.  
  7. <style>
  8. html,body{
  9. 	margin:0px;
  10. 	width:100%;
  11. 	height:100%;
  12. 	overflow:hidden;
  13. 	background:#000;
  14. }
  15. </style>
  16.  
  17. </head>
  18. <body>
  19. <canvas id="canvas" style="position:absolute;width:100%;height:100%;z-index:8888"></canvas>
  20. <canvas style="position:absolute;width:100%;height:100%;z-index:9999" class="canvas" ></canvas>
  21. <div class="overlay">
  22.   <div class="tabs">
  23.     <div class="tabs-labels"><span class="tabs-label">Commands</span><span class="tabs-label">Info</span><span class="tabs-label">Share</span></div>
  24.  
  25.     <div class="tabs-panels">
  26.       <ul class="tabs-panel commands">
  27.       </ul>
  28.     </div>
  29.   </div>
  30. </div>
  31. <script>
  32. function initVars(){
  33.  
  34. 	pi=Math.PI;
  35. 	ctx=canvas.getContext("2d");
  36. 	canvas.width=canvas.clientWidth;
  37. 	canvas.height=canvas.clientHeight;
  38. 	cx=canvas.width/2;
  39. 	cy=canvas.height/2;
  40. 	playerZ=-25;
  41. 	playerX=playerY=playerVX=playerVY=playerVZ=pitch=yaw=pitchV=yawV=0;
  42. 	scale=600;
  43. 	seedTimer=0;seedInterval=5,seedLife=100;gravity=.02;
  44. 	seeds=new Array();
  45. 	sparkPics=new Array();
  46. 	s="https://cantelope.org/NYE/";
  47. 	for(i=1;i<=10;++i){
  48. 		sparkPic=new Image();
  49. 		sparkPic.src=s+"spark"+i+".png";
  50. 		sparkPics.push(sparkPic);
  51. 	}
  52. 	sparks=new Array();
  53. 	pow1=new Audio(s+"pow1.ogg");
  54. 	pow2=new Audio(s+"pow2.ogg");
  55. 	pow3=new Audio(s+"pow3.ogg");
  56. 	pow4=new Audio(s+"pow4.ogg");
  57. 	frames = 0;
  58. }
  59.  
  60. function rasterizePoint(x,y,z){
  61.  
  62. 	var p,d;
  63. 	x-=playerX;
  64. 	y-=playerY;
  65. 	z-=playerZ;
  66. 	p=Math.atan2(x,z);
  67. 	d=Math.sqrt(x*x+z*z);
  68. 	x=Math.sin(p-yaw)*d;
  69. 	z=Math.cos(p-yaw)*d;
  70. 	p=Math.atan2(y,z);
  71. 	d=Math.sqrt(y*y+z*z);
  72. 	y=Math.sin(p-pitch)*d;
  73. 	z=Math.cos(p-pitch)*d;
  74. 	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);
  75. 	if(!uc) return {x:0,y:0,d:-1};
  76. 	var ua=((rx4-rx3)*(ry1-ry3)-(ry4-ry3)*(rx1-rx3))/uc;
  77. 	var ub=((rx2-rx1)*(ry1-ry3)-(ry2-ry1)*(rx1-rx3))/uc;
  78. 	if(!z)z=.000000001;
  79. 	if(ua>0&&ua<1&&ub>0&&ub<1){
  80. 		return {
  81. 			x:cx+(rx1+ua*(rx2-rx1))*scale,
  82. 			y:cy+y/z*scale,
  83. 			d:Math.sqrt(x*x+y*y+z*z)
  84. 		};
  85. 	}else{
  86. 		return {
  87. 			x:cx+(rx1+ua*(rx2-rx1))*scale,
  88. 			y:cy+y/z*scale,
  89. 			d:-1
  90. 		};
  91. 	}
  92. }
  93.  
  94. function spawnSeed(){
  95.  
  96. 	seed=new Object();
  97. 	seed.x=-50+Math.random()*100;
  98. 	seed.y=25;
  99. 	seed.z=-50+Math.random()*100;
  100. 	seed.vx=.1-Math.random()*.2;
  101. 	seed.vy=-1.5;//*(1+Math.random()/2);
  102. 	seed.vz=.1-Math.random()*.2;
  103. 	seed.born=frames;
  104. 	seeds.push(seed);
  105. }
  106.  
  107. function splode(x,y,z){
  108.  
  109. 	t=5+parseInt(Math.random()*150);
  110. 	sparkV=1+Math.random()*2.5;
  111. 	type=parseInt(Math.random()*3);
  112. 	switch(type){
  113. 		case 0:
  114. 			pic1=parseInt(Math.random()*10);
  115. 			break;
  116. 		case 1:
  117. 			pic1=parseInt(Math.random()*10);
  118. 			do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
  119. 			break;
  120. 		case 2:
  121. 			pic1=parseInt(Math.random()*10);
  122. 			do{ pic2=parseInt(Math.random()*10); }while(pic2==pic1);
  123. 			do{ pic3=parseInt(Math.random()*10); }while(pic3==pic1 || pic3==pic2);
  124. 			break;
  125. 	}
  126. 	for(m=1;m<t;++m){
  127. 		spark=new Object();
  128. 		spark.x=x; spark.y=y; spark.z=z;
  129. 		p1=pi*2*Math.random();
  130. 		p2=pi*Math.random();
  131. 		v=sparkV*(1+Math.random()/6)
  132. 		spark.vx=Math.sin(p1)*Math.sin(p2)*v;
  133. 		spark.vz=Math.cos(p1)*Math.sin(p2)*v;
  134. 		spark.vy=Math.cos(p2)*v;
  135. 		switch(type){
  136. 			case 0: spark.img=sparkPics[pic1]; break;
  137. 			case 1:
  138. 				spark.img=sparkPics[parseInt(Math.random()*2)?pic1:pic2];
  139. 				break;
  140. 			case 2:
  141. 				switch(parseInt(Math.random()*3)){
  142. 					case 0: spark.img=sparkPics[pic1]; break;
  143. 					case 1: spark.img=sparkPics[pic2]; break;
  144. 					case 2: spark.img=sparkPics[pic3]; break;
  145. 				}
  146. 				break;
  147. 		}
  148. 		spark.radius=25+Math.random()*50;
  149. 		spark.alpha=1;
  150. 		spark.trail=new Array();
  151. 		sparks.push(spark);
  152. 	}
  153. 	switch(parseInt(Math.random()*4)){
  154. 		case 0:	pow=new Audio(s+"pow1.ogg"); break;
  155. 		case 1:	pow=new Audio(s+"pow2.ogg"); break;
  156. 		case 2:	pow=new Audio(s+"pow3.ogg"); break;
  157. 		case 3:	pow=new Audio(s+"pow4.ogg"); break;
  158. 	}
  159. 	d=Math.sqrt((x-playerX)*(x-playerX)+(y-playerY)*(y-playerY)+(z-playerZ)*(z-playerZ));
  160. 	pow.volume=1.5/(1+d/10);
  161. 	pow.play();
  162. }
  163.  
  164. function doLogic(){
  165.  
  166. 	if(seedTimer<frames){
  167. 		seedTimer=frames+seedInterval*Math.random()*10;
  168. 		spawnSeed();
  169. 	}
  170. 	for(i=0;i<seeds.length;++i){
  171. 		seeds[i].vy+=gravity;
  172. 		seeds[i].x+=seeds[i].vx;
  173. 		seeds[i].y+=seeds[i].vy;
  174. 		seeds[i].z+=seeds[i].vz;
  175. 		if(frames-seeds[i].born>seedLife){
  176. 			splode(seeds[i].x,seeds[i].y,seeds[i].z);
  177. 			seeds.splice(i,1);
  178. 		}
  179. 	}
  180. 	for(i=0;i<sparks.length;++i){
  181. 		if(sparks[i].alpha>0 && sparks[i].radius>5){
  182. 			sparks[i].alpha-=.01;
  183. 			sparks[i].radius/=1.02;
  184. 			sparks[i].vy+=gravity;
  185. 			point=new Object();
  186. 			point.x=sparks[i].x;
  187. 			point.y=sparks[i].y;
  188. 			point.z=sparks[i].z;
  189. 			if(sparks[i].trail.length){
  190. 				x=sparks[i].trail[sparks[i].trail.length-1].x;
  191. 				y=sparks[i].trail[sparks[i].trail.length-1].y;
  192. 				z=sparks[i].trail[sparks[i].trail.length-1].z;
  193. 				d=((point.x-x)*(point.x-x)+(point.y-y)*(point.y-y)+(point.z-z)*(point.z-z));
  194. 				if(d>9){
  195. 					sparks[i].trail.push(point);
  196. 				}
  197. 			}else{
  198. 				sparks[i].trail.push(point);
  199. 			}
  200. 			if(sparks[i].trail.length>5)sparks[i].trail.splice(0,1);
  201. 			sparks[i].x+=sparks[i].vx;
  202. 			sparks[i].y+=sparks[i].vy;
  203. 			sparks[i].z+=sparks[i].vz;
  204. 			sparks[i].vx/=1.075;
  205. 			sparks[i].vy/=1.075;
  206. 			sparks[i].vz/=1.075;
  207. 		}else{
  208. 			sparks.splice(i,1);
  209. 		}
  210. 	}
  211. 	p=Math.atan2(playerX,playerZ);
  212. 	d=Math.sqrt(playerX*playerX+playerZ*playerZ);
  213. 	d+=Math.sin(frames/80)/1.25;
  214. 	t=Math.sin(frames/200)/40;
  215. 	playerX=Math.sin(p+t)*d;
  216. 	playerZ=Math.cos(p+t)*d;
  217. 	yaw=pi+p+t;
  218. }
  219.  
  220. function rgb(col){
  221.  
  222. 	var r = parseInt((.5+Math.sin(col)*.5)*16);
  223. 	var g = parseInt((.5+Math.cos(col)*.5)*16);
  224. 	var b = parseInt((.5-Math.sin(col)*.5)*16);
  225. 	return "#"+r.toString(16)+g.toString(16)+b.toString(16);
  226. }
  227.  
  228. function draw(){
  229.  
  230. 	ctx.clearRect(0,0,cx*2,cy*2);
  231.  
  232. 	ctx.fillStyle="#ff8";
  233. 	for(i=-100;i<100;i+=3){
  234. 		for(j=-100;j<100;j+=4){
  235. 			x=i;z=j;y=25;
  236. 			point=rasterizePoint(x,y,z);
  237. 			if(point.d!=-1){
  238. 				size=250/(1+point.d);
  239. 				d = Math.sqrt(x * x + z * z);
  240. 				a = 0.75 - Math.pow(d / 100, 6) * 0.75;
  241. 				if(a>0){
  242. 					ctx.globalAlpha = a;
  243. 					ctx.fillRect(point.x-size/2,point.y-size/2,size,size);
  244. 				}
  245. 			}
  246. 		}
  247. 	}
  248. 	ctx.globalAlpha=1;
  249. 	for(i=0;i<seeds.length;++i){
  250. 		point=rasterizePoint(seeds[i].x,seeds[i].y,seeds[i].z);
  251. 		if(point.d!=-1){
  252. 			size=200/(1+point.d);
  253. 			ctx.fillRect(point.x-size/2,point.y-size/2,size,size);
  254. 		}
  255. 	}
  256. 	point1=new Object();
  257. 	for(i=0;i<sparks.length;++i){
  258. 		point=rasterizePoint(sparks[i].x,sparks[i].y,sparks[i].z);
  259. 		if(point.d!=-1){
  260. 			size=sparks[i].radius*200/(1+point.d);
  261. 			if(sparks[i].alpha<0)sparks[i].alpha=0;
  262. 			if(sparks[i].trail.length){
  263. 				point1.x=point.x;
  264. 				point1.y=point.y;
  265. 				switch(sparks[i].img){
  266. 					case sparkPics[0]:ctx.strokeStyle="#f84";break;
  267. 					case sparkPics[1]:ctx.strokeStyle="#84f";break;
  268. 					case sparkPics[2]:ctx.strokeStyle="#8ff";break;
  269. 					case sparkPics[3]:ctx.strokeStyle="#fff";break;
  270. 					case sparkPics[4]:ctx.strokeStyle="#4f8";break;
  271. 					case sparkPics[5]:ctx.strokeStyle="#f44";break;
  272. 					case sparkPics[6]:ctx.strokeStyle="#f84";break;
  273. 					case sparkPics[7]:ctx.strokeStyle="#84f";break;
  274. 					case sparkPics[8]:ctx.strokeStyle="#fff";break;
  275. 					case sparkPics[9]:ctx.strokeStyle="#44f";break;
  276. 				}
  277. 				for(j=sparks[i].trail.length-1;j>=0;--j){
  278. 					point2=rasterizePoint(sparks[i].trail[j].x,sparks[i].trail[j].y,sparks[i].trail[j].z);
  279. 					if(point2.d!=-1){
  280. 						ctx.globalAlpha=j/sparks[i].trail.length*sparks[i].alpha/2;
  281. 						ctx.beginPath();
  282. 						ctx.moveTo(point1.x,point1.y);
  283. 						ctx.lineWidth=1+sparks[i].radius*10/(sparks[i].trail.length-j)/(1+point2.d);
  284. 						ctx.lineTo(point2.x,point2.y);
  285. 						ctx.stroke();
  286. 						point1.x=point2.x;
  287. 						point1.y=point2.y;
  288. 					}
  289. 				}
  290. 			}
  291. 			ctx.globalAlpha=sparks[i].alpha;
  292. 			ctx.drawImage(sparks[i].img,point.x-size/2,point.y-size/2,size,size);
  293. 		}
  294. 	}
  295. }
  296.  
  297. function frame(){
  298.  
  299. 	if(frames>100000){
  300. 		seedTimer=0;
  301. 		frames=0;
  302. 	}
  303. 	frames++;
  304. 	draw();
  305. 	doLogic();
  306. 	requestAnimationFrame(frame);
  307. }
  308.  
  309. window.addEventListener("resize",()=>{
  310. 	canvas.width=canvas.clientWidth;
  311. 	canvas.height=canvas.clientHeight;
  312. 	cx=canvas.width/2;
  313. 	cy=canvas.height/2;
  314. });
  315.  
  316. initVars();
  317. frame();
  318. </script>
  319. <script>
  320. 	
  321. 	
  322. /*
  323.  
  324.   Shape Shifter
  325.   =============
  326.   A canvas experiment by Kenneth Cachia
  327.   http://www.kennethcachia.com
  328.  
  329.   Updated code
  330.   ------------
  331.   https://github.com/kennethcachia/Shape-Shifter
  332.  
  333. */
  334.  
  335.  
  336. var S = {
  337.   init: function () {
  338.     var action = window.location.href,
  339.         i = action.indexOf('?a=');
  340.  
  341.     S.Drawing.init('.canvas');
  342.     document.body.classList.add('body--ready');
  343.  
  344.     if (i !== -1) {
  345.       S.UI.simulate(decodeURI(action).substring(i + 3));
  346.     } else {
  347.       S.UI.simulate('|#countdown 3||新|年|快|乐|#rectangle|');
  348.     }
  349.  
  350.     S.Drawing.loop(function () {
  351.       S.Shape.render();
  352.     });
  353.   }
  354. };
  355.  
  356.  
  357. S.Drawing = (function () {
  358.   var canvas,
  359.       context,
  360.       renderFn
  361.       requestFrame = window.requestAnimationFrame       ||
  362.                      window.webkitRequestAnimationFrame ||
  363.                      window.mozRequestAnimationFrame    ||
  364.                      window.oRequestAnimationFrame      ||
  365.                      window.msRequestAnimationFrame     ||
  366.                      function(callback) {
  367.                        window.setTimeout(callback, 1000 / 60);
  368.                      };
  369.  
  370.   return {
  371.     init: function (el) {
  372.       canvas = document.querySelector(el);
  373.       context = canvas.getContext('2d');
  374.       this.adjustCanvas();
  375.  
  376.       window.addEventListener('resize', function (e) {
  377.         S.Drawing.adjustCanvas();
  378.       });
  379.     },
  380.  
  381.     loop: function (fn) {
  382.       renderFn = !renderFn ? fn : renderFn;
  383.       this.clearFrame();
  384.       renderFn();
  385.       requestFrame.call(window, this.loop.bind(this));
  386.     },
  387.  
  388.     adjustCanvas: function () {
  389.       canvas.width = window.innerWidth;
  390.       canvas.height = window.innerHeight;
  391.     },
  392.  
  393.     clearFrame: function () {
  394.       context.clearRect(0, 0, canvas.width, canvas.height);
  395.     },
  396.  
  397.     getArea: function () {
  398.       return { w: canvas.width, h: canvas.height };
  399.     },
  400.  
  401.     drawCircle: function (p, c) {
  402.       context.fillStyle = c.render();
  403.       context.beginPath();
  404.       context.arc(p.x, p.y, p.z, 0, 2 * Math.PI, true);
  405.       context.closePath();
  406.       context.fill();
  407.     }
  408.   }
  409. }());
  410.  
  411.  
  412. S.UI = (function () {
  413.   var canvas = document.querySelector('.canvas'),
  414.       interval,
  415.       isTouch = false, //('ontouchstart' in window || navigator.msMaxTouchPoints),
  416.       currentAction,
  417.       resizeTimer,
  418.       time,
  419.       maxShapeSize = 30,
  420.       firstAction = true,
  421.       sequence = [],
  422.       cmd = '#';
  423.  
  424.   function formatTime(date) {
  425.     var h = date.getHours(),
  426.         m = date.getMinutes(),
  427.     m = m < 10 ? '0' + m : m;
  428.     return h + ':' + m;
  429.   }
  430.  
  431.   function getValue(value) {
  432.     return value && value.split(' ')[1];
  433.   }
  434.  
  435.   function getAction(value) {
  436.     value = value && value.split(' ')[0];
  437.     return value && value[0] === cmd && value.substring(1);
  438.   }
  439.  
  440.   function timedAction(fn, delay, max, reverse) {
  441.     clearInterval(interval);
  442.     currentAction = reverse ? max : 1;
  443.     fn(currentAction);
  444.  
  445.     if (!max || (!reverse && currentAction < max) || (reverse && currentAction > 0)) {
  446.       interval = setInterval(function () {
  447.         currentAction = reverse ? currentAction - 1 : currentAction + 1;
  448.         fn(currentAction);
  449.  
  450.         if ((!reverse && max && currentAction === max) || (reverse && currentAction === 0)) {
  451.           clearInterval(interval);
  452.         }
  453.       }, delay);
  454.     }
  455.   }
  456.  
  457.   function reset(destroy) {
  458.     clearInterval(interval);
  459.     sequence = [];
  460.     time = null;
  461.     destroy && S.Shape.switchShape(S.ShapeBuilder.letter(''));
  462.   }
  463.  
  464.   function performAction(value) {
  465.     var action,
  466.         value,
  467.         current;
  468.  
  469.     // overlay.classList.remove('overlay--visible');
  470.     sequence = typeof(value) === 'object' ? value : sequence.concat(value.split('|'));
  471.     // input.value = '';
  472.     // checkInputWidth();
  473.  
  474.     timedAction(function (index) {
  475.       current = sequence.shift();
  476.       action = getAction(current);
  477.       value = getValue(current);
  478.  
  479.       switch (action) {
  480.         case 'countdown':
  481.           value = parseInt(value) || 10;
  482.           value = value > 0 ? value : 10;
  483.  
  484.           timedAction(function (index) {
  485.             if (index === 0) {
  486.               if (sequence.length === 0) {
  487.                 S.Shape.switchShape(S.ShapeBuilder.letter(''));
  488.               } else {
  489.                 performAction(sequence);
  490.               }
  491.             } else {
  492.               S.Shape.switchShape(S.ShapeBuilder.letter(index), true);
  493.             }
  494.           }, 1000, value, true);
  495.           break;
  496.  
  497.         case 'rectangle':
  498.           value = value && value.split('x');
  499.           value = (value && value.length === 2) ? value : [maxShapeSize, maxShapeSize / 2];
  500.  
  501.           S.Shape.switchShape(S.ShapeBuilder.rectangle(Math.min(maxShapeSize, parseInt(value[0])), Math.min(maxShapeSize, parseInt(value[1]))));
  502.           break;
  503.  
  504.         case 'circle':
  505.           value = parseInt(value) || maxShapeSize;
  506.           value = Math.min(value, maxShapeSize);
  507.           S.Shape.switchShape(S.ShapeBuilder.circle(value));
  508.           break;
  509.  
  510.         case 'time':
  511.           var t = formatTime(new Date());
  512.  
  513.           if (sequence.length > 0) {
  514.             S.Shape.switchShape(S.ShapeBuilder.letter(t));
  515.           } else {
  516.             timedAction(function () {
  517.               t = formatTime(new Date());
  518.               if (t !== time) {
  519.                 time = t;
  520.                 S.Shape.switchShape(S.ShapeBuilder.letter(time));
  521.               }
  522.             }, 1000);
  523.           }
  524.           break;
  525.  
  526.         default:
  527.           S.Shape.switchShape(S.ShapeBuilder.letter(current[0] === cmd ? 'What?' : current));
  528.       }
  529.     }, 2000, sequence.length);
  530.   }
  531.  
  532.   function checkInputWidth(e) {
  533.     if (input.value.length > 18) {
  534.       ui.classList.add('ui--wide');
  535.     } else {
  536.       ui.classList.remove('ui--wide');
  537.     }
  538.  
  539.     if (firstAction && input.value.length > 0) {
  540.       ui.classList.add('ui--enter');
  541.     } else {
  542.       ui.classList.remove('ui--enter');
  543.     }
  544.   }
  545.  
  546.   function bindEvents() {
  547.     document.body.addEventListener('keydown', function (e) {
  548.       input.focus();
  549.  
  550.       if (e.keyCode === 13) {
  551.         firstAction = false;
  552.         reset();
  553.         performAction(input.value);
  554.       }
  555.     });
  556.  
  557.     canvas.addEventListener('click', function (e) {
  558.       overlay.classList.remove('overlay--visible');
  559.     });
  560.   }
  561.  
  562.   function init() {
  563.     bindEvents();
  564.     // input.focus();
  565.     isTouch && document.body.classList.add('touch');
  566.   }
  567.  
  568.   // Init
  569.   init();
  570.  
  571.   return {
  572.     simulate: function (action) {
  573.       performAction(action);
  574.     }
  575.   }
  576. }());
  577.  
  578.  
  579. S.UI.Tabs = (function () {
  580.   var tabs = document.querySelector('.tabs'),
  581.       labels = document.querySelector('.tabs-labels'),
  582.       triggers = document.querySelectorAll('.tabs-label'),
  583.       panels = document.querySelectorAll('.tabs-panel');
  584.  
  585.   function activate(i) {
  586.     triggers[i].classList.add('tabs-label--active');
  587.     panels[i].classList.add('tabs-panel--active');
  588.   }
  589.  
  590.   function bindEvents() {
  591.     labels.addEventListener('click', function (e) {
  592.       var el = e.target,
  593.           index;
  594.  
  595.       if (el.classList.contains('tabs-label')) {
  596.         for (var t = 0; t < triggers.length; t++) {
  597.           triggers[t].classList.remove('tabs-label--active');
  598.           panels[t].classList.remove('tabs-panel--active');
  599.  
  600.           if (el === triggers[t]) {
  601.             index = t;
  602.           }
  603.         }
  604.  
  605.         activate(index);
  606.       }
  607.     });
  608.   }
  609.  
  610.   function init() {
  611.     activate(0);
  612.     bindEvents();
  613.   }
  614.  
  615.   // Init
  616.   init();
  617. }());
  618.  
  619.  
  620. S.Point = function (args) {
  621.   this.x = args.x;
  622.   this.y = args.y;
  623.   this.z = args.z;
  624.   this.a = args.a;
  625.   this.h = args.h;
  626. };
  627.  
  628.  
  629. S.Color = function (r, g, b, a) {
  630.   this.r = r;
  631.   this.g = g;
  632.   this.b = b;
  633.   this.a = a;
  634. };
  635.  
  636. S.Color.prototype = {
  637.   render: function () {
  638.     return 'rgba(' + this.r + ',' +  + this.g + ',' + this.b + ',' + this.a + ')';
  639.   }
  640. };
  641.  
  642.  
  643. S.Dot = function (x, y) {
  644.   this.p = new S.Point({
  645.     x: x,
  646.     y: y,
  647.     z: 5,
  648.     a: 1,
  649.     h: 0
  650.   });
  651.  
  652.   this.e = 0.07;
  653.   this.s = true;
  654.  
  655.   this.c = new S.Color(255, 255, 255, this.p.a);
  656.  
  657.   this.t = this.clone();
  658.   this.q = [];
  659. };
  660.  
  661. S.Dot.prototype = {
  662.   clone: function () {
  663.     return new S.Point({
  664.       x: this.x,
  665.       y: this.y,
  666.       z: this.z,
  667.       a: this.a,
  668.       h: this.h
  669.     });
  670.   },
  671.  
  672.   _draw: function () {
  673.     this.c.a = this.p.a;
  674.     S.Drawing.drawCircle(this.p, this.c);
  675.   },
  676.  
  677.   _moveTowards: function (n) {
  678.     var details = this.distanceTo(n, true),
  679.         dx = details[0],
  680.         dy = details[1],
  681.         d = details[2],
  682.         e = this.e * d;
  683.  
  684.     if (this.p.h === -1) {
  685.       this.p.x = n.x;
  686.       this.p.y = n.y;
  687.       return true;
  688.     }
  689.  
  690.     if (d > 1) {
  691.       this.p.x -= ((dx / d) * e);
  692.       this.p.y -= ((dy / d) * e);
  693.     } else {
  694.       if (this.p.h > 0) {
  695.         this.p.h--;
  696.       } else {
  697.         return true;
  698.       }
  699.     }
  700.  
  701.     return false;
  702.   },
  703.  
  704.   _update: function () {
  705.     if (this._moveTowards(this.t)) {
  706.       var p = this.q.shift();
  707.  
  708.       if (p) {
  709.         this.t.x = p.x || this.p.x;
  710.         this.t.y = p.y || this.p.y;
  711.         this.t.z = p.z || this.p.z;
  712.         this.t.a = p.a || this.p.a;
  713.         this.p.h = p.h || 0;
  714.       } else {
  715.         if (this.s) {
  716.           this.p.x -= Math.sin(Math.random() * 3.142);
  717.           this.p.y -= Math.sin(Math.random() * 3.142);
  718.         } else {
  719.           this.move(new S.Point({
  720.             x: this.p.x + (Math.random() * 50) - 25,
  721.             y: this.p.y + (Math.random() * 50) - 25,
  722.           }));
  723.         }
  724.       }
  725.     }
  726.  
  727.     d = this.p.a - this.t.a;
  728.     this.p.a = Math.max(0.1, this.p.a - (d * 0.05));
  729.     d = this.p.z - this.t.z;
  730.     this.p.z = Math.max(1, this.p.z - (d * 0.05));
  731.   },
  732.  
  733.   distanceTo: function (n, details) {
  734.     var dx = this.p.x - n.x,
  735.         dy = this.p.y - n.y,
  736.         d = Math.sqrt(dx * dx + dy * dy);
  737.  
  738.     return details ? [dx, dy, d] : d;
  739.   },
  740.  
  741.   move: function (p, avoidStatic) {
  742.     if (!avoidStatic || (avoidStatic && this.distanceTo(p) > 1)) {
  743.       this.q.push(p);
  744.     }
  745.   },
  746.  
  747.   render: function () {
  748.     this._update();
  749.     this._draw();
  750.   }
  751. }
  752.  
  753.  
  754. S.ShapeBuilder = (function () {
  755.   var gap = 13,
  756.       shapeCanvas = document.createElement('canvas'),
  757.       shapeContext = shapeCanvas.getContext('2d'),
  758.       fontSize = 500,
  759.       fontFamily = 'Avenir, Helvetica Neue, Helvetica, Arial, sans-serif';
  760.  
  761.   function fit() {
  762.     shapeCanvas.width = Math.floor(window.innerWidth / gap) * gap;
  763.     shapeCanvas.height = Math.floor(window.innerHeight / gap) * gap;
  764.     shapeContext.fillStyle = 'red';
  765.     shapeContext.textBaseline = 'middle';
  766.     shapeContext.textAlign = 'center';
  767.   }
  768.  
  769.   function processCanvas() {
  770.     var pixels = shapeContext.getImageData(0, 0, shapeCanvas.width, shapeCanvas.height).data;
  771.         dots = [],
  772.         pixels,
  773.         x = 0,
  774.         y = 0,
  775.         fx = shapeCanvas.width,
  776.         fy = shapeCanvas.height,
  777.         w = 0,
  778.         h = 0;
  779.  
  780.     for (var p = 0; p < pixels.length; p += (4 * gap)) {
  781.       if (pixels[p + 3] > 0) {
  782.         dots.push(new S.Point({
  783.           x: x,
  784.           y: y
  785.         }));
  786.  
  787.         w = x > w ? x : w;
  788.         h = y > h ? y : h;
  789.         fx = x < fx ? x : fx;
  790.         fy = y < fy ? y : fy;
  791.       }
  792.  
  793.       x += gap;
  794.  
  795.       if (x >= shapeCanvas.width) {
  796.         x = 0;
  797.         y += gap;
  798.         p += gap * 4 * shapeCanvas.width;
  799.       }
  800.     }
  801.  
  802.     return { dots: dots, w: w + fx, h: h + fy };
  803.   }
  804.  
  805.   function setFontSize(s) {
  806.     shapeContext.font = 'bold ' + s + 'px ' + fontFamily;
  807.   }
  808.  
  809.   function isNumber(n) {
  810.     return !isNaN(parseFloat(n)) && isFinite(n);
  811.   }
  812.  
  813.   function init() {
  814.     fit();
  815.     window.addEventListener('resize', fit);
  816.   }
  817.  
  818.   // Init
  819.   init();
  820.  
  821.   return {
  822.     imageFile: function (url, callback) {
  823.       var image = new Image(),
  824.           a = S.Drawing.getArea();
  825.  
  826.       image.onload = function () {
  827.         shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
  828.         shapeContext.drawImage(this, 0, 0, a.h * 0.6, a.h * 0.6);
  829.         callback(processCanvas());
  830.       };
  831.  
  832.       image.onerror = function () {
  833.         callback(S.ShapeBuilder.letter('What?'));
  834.       }
  835.  
  836.       image.src = url;
  837.     },
  838.  
  839.     circle: function (d) {
  840.       var r = Math.max(0, d) / 2;
  841.       shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
  842.       shapeContext.beginPath();
  843.       shapeContext.arc(r * gap, r * gap, r * gap, 0, 2 * Math.PI, false);
  844.       shapeContext.fill();
  845.       shapeContext.closePath();
  846.  
  847.       return processCanvas();
  848.     },
  849.  
  850.     letter: function (l) {
  851.       var s = 0;
  852.  
  853.       setFontSize(fontSize);
  854.       s = Math.min(fontSize,
  855.                   (shapeCanvas.width / shapeContext.measureText(l).width) * 0.8 * fontSize,
  856.                   (shapeCanvas.height / fontSize) * (isNumber(l) ? 1 : 0.45) * fontSize);
  857.       setFontSize(s);
  858.  
  859.       shapeContext.clearRect(0, 0, shapeCanvas.width, shapeCanvas.height);
  860.       shapeContext.fillText(l, shapeCanvas.width / 2, shapeCanvas.height / 2);
  861.  
  862.       return processCanvas();
  863.     },
  864.  
  865.     rectangle: function (w, h) {
  866.       var dots = [],
  867.           width = gap * w,
  868.           height = gap * h;
  869.  
  870.       for (var y = 0; y < height; y += gap) {
  871.         for (var x = 0; x < width; x += gap) {
  872.           dots.push(new S.Point({
  873.             x: x,
  874.             y: y,
  875.           }));
  876.         }
  877.       }
  878.  
  879.       return { dots: dots, w: width, h: height };
  880.     }
  881.   };
  882. }());
  883.  
  884.  
  885. S.Shape = (function () {
  886.   var dots = [],
  887.       width = 0,
  888.       height = 0,
  889.       cx = 0,
  890.       cy = 0;
  891.  
  892.   function compensate() {
  893.     var a = S.Drawing.getArea();
  894.  
  895.     cx = a.w / 2 - width / 2;
  896.     cy = a.h / 2 - height / 2;
  897.   }
  898.  
  899.   return {
  900.     shuffleIdle: function () {
  901.       var a = S.Drawing.getArea();
  902.  
  903.       for (var d = 0; d < dots.length; d++) {
  904.         if (!dots[d].s) {
  905.           dots[d].move({
  906.             x: Math.random() * a.w,
  907.             y: Math.random() * a.h
  908.           });
  909.         }
  910.       }
  911.     },
  912.  
  913.     switchShape: function (n, fast) {
  914.       var size,
  915.           a = S.Drawing.getArea();
  916.  
  917.       width = n.w;
  918.       height = n.h;
  919.  
  920.       compensate();
  921.  
  922.       if (n.dots.length > dots.length) {
  923.         size = n.dots.length - dots.length;
  924.         for (var d = 1; d <= size; d++) {
  925.           dots.push(new S.Dot(a.w / 2, a.h / 2));
  926.         }
  927.       }
  928.  
  929.       var d = 0,
  930.           i = 0;
  931.  
  932.       while (n.dots.length > 0) {
  933.         i = Math.floor(Math.random() * n.dots.length);
  934.         dots[d].e = fast ? 0.25 : (dots[d].s ? 0.14 : 0.11);
  935.  
  936.         if (dots[d].s) {
  937.           dots[d].move(new S.Point({
  938.             z: Math.random() * 20 + 10,
  939.             a: Math.random(),
  940.             h: 18
  941.           }));
  942.         } else {
  943.           dots[d].move(new S.Point({
  944.             z: Math.random() * 5 + 5,
  945.             h: fast ? 18 : 30
  946.           }));
  947.         }
  948.  
  949.         dots[d].s = true;
  950.         dots[d].move(new S.Point({
  951.           x: n.dots[i].x + cx,
  952.           y: n.dots[i].y + cy,
  953.           a: 1,
  954.           z: 5,
  955.           h: 0
  956.         }));
  957.  
  958.         n.dots = n.dots.slice(0, i).concat(n.dots.slice(i + 1));
  959.         d++;
  960.       }
  961.  
  962.       for (var i = d; i < dots.length; i++) {
  963.         if (dots[i].s) {
  964.           dots[i].move(new S.Point({
  965.             z: Math.random() * 20 + 10,
  966.             a: Math.random(),
  967.             h: 20
  968.           }));
  969.  
  970.           dots[i].s = false;
  971.           dots[i].e = 0.04;
  972.           dots[i].move(new S.Point({
  973.             x: Math.random() * a.w,
  974.             y: Math.random() * a.h,
  975.             a: 0.3, //.4
  976.             z: Math.random() * 4,
  977.             h: 0
  978.           }));
  979.         }
  980.       }
  981.     },
  982.  
  983.     render: function () {
  984.       for (var d = 0; d < dots.length; d++) {
  985.         dots[d].render();
  986.       }
  987.     }
  988.   }
  989. }());
  990.  
  991.  
  992. S.init();
  993.  
  994. </script>
  995.  
  996. </body>
  997. </html>
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