【编程游戏】贺岁放礼花。（点燃续帖1-123楼cicadu的焰火）

最新推荐文章于 2025-09-10 19:44:49 发布

iteye_10992

最新推荐文章于 2025-09-10 19:44:49 发布

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文章标签： javascript 大数据 ViewUI

点燃[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行] <iframe src="http://vote.youkuaiyun.com/VotePostSimple.aspx?voteid=840" marginheight="0" marginwidth="0" scrolling="no" width="100%" frameborder="0" height="400"></iframe> <html> <head> <title>学毛标兵来给大家放烟花！祝大家新年快乐，心想事成！ </title> </head> <body bgcolor="black" text="white" LINK="yellow" ALINK="red" VLINK="red"> <SCRIPT TYPE="text/javascript"> if(!window.JSFX) JSFX=new Object(); if(!JSFX.createLayer) {/*** Include Library Code ***/ var ns4 = document.layers; var ie4 = document.all; var icolor = 0; JSFX.objNo=0; JSFX.getObjId = function(){return "JSFX_obj" + JSFX.objNo++;}; JSFX.createLayer = function(theHtml) { var layerId = JSFX.getObjId(); document.write(" <DIV id='"+layerId+"' style='position:absolute'>"+theHtml+" </DIV>" ); var el = document.getElementById ? document.getElementById(layerId) : document.all ? document.all[layerId] : document.layers[layerId]; return el; } JSFX.fxLayer = function(theHtml) { if(theHtml == null) return; this.el = JSFX.createLayer(theHtml); } var proto = JSFX.fxLayer.prototype proto.moveTo = function(x,y){this.el.style.left = x;this.el.style.top=y;} proto.setBgColor = function(color) { this.el.style.backgroundColor = color; } proto.clip = function(x1,y1, x2,y2){ this.el.style.clip="rect("+y1+" "+x2+" "+y2+" "+x1+")"; } if(ns4){ proto.clip = function(x1,y1, x2,y2){ this.el.style.clip.top =y1;this.el.style.clip.left =x1; this.el.style.clip.bottom=y2;this.el.style.clip.right =x2; } proto.setBgColor=function(color) { this.el.bgColor = color; } } if(window.opera) proto.setBgColor = function(color) { this.el.style.color = color==null?'transparent':color; } if(window.innerWidth) { gX=function(){return innerWidth;}; gY=function(){return innerHeight;}; } else { gX=function(){return document.body.clientWidth;}; gY=function(){return document.body.clientHeight;}; } /*** Example extend class ***/ JSFX.fxLayer2 = function(theHtml) { this.superC = JSFX.fxLayer; this.superC(theHtml + "C"); } JSFX.fxLayer2.prototype = new JSFX.fxLayer; }/*** End Library Code ***/ /*************************************************/ /*** Firework Spark - extends fxLayer ***/ JSFX.FireworkSpark = function(x, y) { this.superC = JSFX.fxLayer; this.superC("@"); this.dx = Math.random() * 4 - 2; this.dy = Math.random() * 4 - 2; this.ay = .09; this.x = x; this.y = y; this.type = 0; } JSFX.FireworkSpark.prototype = new JSFX.fxLayer; /*** END Class FireworkSpark Constructor - start methods ***/ JSFX.FireworkSpark.prototype.fire0 = function() { var a = Math.random() * 6.294; var s = Math.random() * 2; if(Math.random() >.6) s = 2; this.dx = s*Math.sin(a); this.dy = s*Math.cos(a) - 2; } JSFX.FireworkSpark.prototype.fire1 = function() { var a = Math.random() * 6.294; var s = Math.random() * 2; this.dx = s*Math.sin(a); this.dy = s*Math.cos(a) - 2; } JSFX.FireworkSpark.prototype.fire2 = function() { var a = Math.random() * 6.294; var s = 2; this.dx = s*Math.sin(a); this.dy = s*Math.cos(a) - 2; } JSFX.FireworkSpark.prototype.fire3 = function() { var a = Math.random() * 6.294; var s = a - Math.random(); this.dx = s*Math.sin(a); this.dy = s*Math.cos(a) - 2; } JSFX.FireworkSpark.prototype.fire4 = function() { var a = Math.random() * 6.294; var s = (Math.random() > 0.5) ? 2 : 1; if(s==1)this.setBgColor("#FFFFFF"); s -= Math.random()/4; this.dx = s*Math.sin(a); this.dy = s*Math.cos(a) - 2; } JSFX.FireworkSpark.prototype.fire = function(sx, sy, fw, cl) { this.setBgColor(cl); if(fw == 1) this.fire1(); else if(fw == 2) this.fire2(); else if(fw == 3) this.fire3(); else if(fw == 4) this.fire4(); else this.fire0(); this.x = sx; this.y = sy; this.moveTo(sx, sy); } var hexDigit=new Array("0","1","2","3","4","5","6","7","8","9","A","B","C","D","E","F"); function dec2hex(dec) { return(hexDigit[dec>>4]+hexDigit[dec&15]); } function hex2dec(hex) { return(parseInt(hex,16)) } JSFX.FireworkSpark.prototype.animate = function(step) { var color = (step < 30) ? 255-(step*4) : Math.random()*(356-(step*4)); if(step>30) { /*set color*/ var hex = dec2hex(color); if(icolor == 3) var str = "#" + hex + hex + "00";//yellow color else if(icolor == 0) var str = "#" + hex + "0000";//red color else if(icolor == 1) var str = "#" + "00" + hex + "00"; //green color else if(icolor == 2) var str = "#" + "00" + hex + hex;//blue color else if(icolor == 4) var str = "#" + hex + hex + hex;//white color this.setBgColor(str); /*end set color*/ } this.dy += this.ay; this.x += this.dx; this.y += this.dy; this.moveTo(this.x, this.y); } /*** END Class FireworkSpark Methods***/ /*** Class Firework extends Object ***/ JSFX.Firework = function(numSparks) { window[ this.id = JSFX.getObjId() ] = this; this.sparks = new Array(); for(i=0 ; i <numSparks; i++) { this.sparks[i]=new JSFX.FireworkSpark(-10, -10); this.sparks[i].clip(0,0,3,3); this.sparks[i].setBgColor("#00FF00"); } this.step = 0; this.timerId = -1; this.x = 0; this.y = 0; this.dx = 0; this.dy = 0; this.ay = 0.2; this.state = "OFF"; } JSFX.Firework.prototype.explode = function() { var fw = Math.floor(Math.random() * 5); for(i=0 ; i <this.sparks.length ; i++) { this.sparks[i].fire(this.x, this.y, fw, this.color); this.sparks[i].dx += this.dx; this.sparks[i].dy += this.dy; } } JSFX.Firework.prototype.getMaxDy = function() { var ydiff = gY() - 30; var dy = 1; var dist = 0; var ay = this.ay; while(dist <ydiff) { dist += dy; dy+=ay; } return -dy; } JSFX.Firework.prototype.animate = function() { if(this.state=="OFF") { var colors = new Array("#FF0000", "#00FF00", "#0000FF", "#FFFF00", "#FFFFFF"); icolor = Math.floor(Math.random()*colors.length) this.color = colors[icolor]; this.step = 0; this.x = gX()/2; this.y = gY()-10; this.dy = this.getMaxDy(); this.dx = Math.random()*-8 + 4; this.dy += Math.random()*3; for(i=0 ; i <this.sparks.length ; i++) this.sparks[i].moveTo(-10,-10); this.sparks[0].setBgColor(this.color); this.state = "TRAVEL"; } else if(this.state=="TRAVEL") { this.x += this.dx; this.y += this.dy; this.dy += this.ay; this.sparks[0].moveTo(this.x,this.y); if(this.dy > 1) { this.state="EXPLODE" this.explode(); } } else { if(this.step > 50) this.state="OFF"; this.step++; for(i=0 ; i <this.sparks.length ; i++) this.sparks[i].animate(this.step); } } JSFX.Firework.prototype.start = function() { if(this.timerId == -1) { this.state = "OFF"; this.timerId = setInterval("window."+this.id+".animate()", 40); } } /*** END Class Firework***/ JSFX.FWStart = function() { if(JSFX.FWLoad)JSFX.FWLoad(); myFW.start(); } myFW = new JSFX.Firework(80); JSFX.FWLoad=window.onload; window.onload=JSFX.FWStart; </SCRIPT> </body> </html>
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