【编程游戏】贺岁放礼花。（点燃续帖2-132楼dh20156的焰火）

来源：互联网发布：怎么通过淘宝客买东西编辑：程序博客网时间：2024/05/29 12:30

【编程游戏】贺岁放礼花。（第一名奖励10000可用分）
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<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8" /><title>fireworks</title><style type="text/css">html,body{width:100%;height:100%;background:black;overflow:hidden;}</style><script type="text/javascript">var fireworks = function(sky){    sky = sky||document.body;    this.style.position = 'absolute';    this.g = 2;    this.times = 0;    this.timer = null;    this.timer2 = null;    this.maxh = null;    this.minh = null;    this.onmove = null;    this.onend = null;    this.uninstall = function(){        window.clearTimeout(this.timer);        if(this.onend&&this.onend.constructor==Function){this.onend(parseInt(this.style.left),parseInt(this.style.top));}        this.times = this.timer = this.timer2 = this.maxh = this.minh = this.onmove = this.onend = this.uninstall = this.movepos = this.fireball = null;        sky.removeChild(this);    };    this.movepos = function(x0,y0,vx,vy){        var t = this.times;        var g = this.g;        var sx = vx*t+x0;        var sy = 1/2*g*t*t+y0-vy*t;        var minh = this.minh;        if(this.onmove&&this.onmove.constructor==Function){this.onmove(sx,sy);}        if(!this||!this.movepos){return;}        this.style.left = (sx?sx:0)+"px";        this.style.top = (sy?sy:0)+"px";        this.times++;        this.maxh = sy;        with({fs:this}){            this.timer = window.setTimeout(function(){fs.movepos(x0,y0,vx,vy)},50);        }    };};var fireball = function(astr){    var asize = [3,4,5,6,7,8];    var av = [10,11,12,13,15];    astr = astr||['●'];    this.getrm = function(x){        return Math.round(Math.random()*x);    };    this.getpv = function(v,p){        return [v*Math.cos(Math.PI*p),v*Math.sin(Math.PI*p)];    };    this.getf = function(sky,sx,sy,vx,vy,scolor,str,ssize){        var ssize = ssize||asize[this.getrm(asize.length-1)];        var fx = document.createElement('div');        fx.innerHTML = str||'●';        fx.style.color = scolor;        fx.style.fontSize = ssize+'px';        fx.style.left = sx+'px';        fx.style.top = sy+'px';        sky.appendChild(fx);        fireworks.call(fx,sky);        fx.minh = sy;        fx.g = 1;        fx.onmove = function(x,y){            if(fx.times>10){fx.uninstall();return;}            var fy = document.createElement('div');            fy.innerHTML = '.';            fy.style.color = scolor;            fy.style.fontSize = '8px';            sky.appendChild(fy);            fireworks.call(fy,sky);            fy.minh = sy;            fy.g = 0.5;            fy.onmove = function(){if(fy.times>8||parseInt(fy.style.fontSize)<1){fy.uninstall();return;}fy.style.fontSize = parseInt(fy.style.fontSize)-1+'px';}            fy.movepos(x,y,0,0);        };        fx.movepos(sx,sy,vx,vy);    };    this.fire = function(sky,sx,sy,scolor){        var n = (/msie/i.test(navigator.appVersion))?this.getrm(16):this.getrm(16)+16,i = 0;        while(n>0){                n--;                var p = Math.random()*2;                var v = av[this.getrm(av.length-1)];                var pv = this.getpv(v,p);                this.getf(sky,sx,sy,pv[0],pv[1],scolor);        }        var str = astr[this.getrm(astr.length-1)];        with({fb:this}){window.setTimeout(function(){fb.getf(sky,sx,sy,0,0,scolor,str,20);},50);}    };};var firebox = function(sky,delay,str){    sky = sky||document.body;    delay = delay||500;    var acolor = ['red','#fff894','#ffe3e4','#ddefc9','#e6d3ff','#5A0E86','#AC456A','#3FAC00','#2B5AAC','yellow','white'];    var asize = [7,8,9,10,11,12];    var avy = [40,42,43,48,49,50];    var avx = [-3,-2,-1,0,1,2,3]    this.total = 10000;    this.timer = null;    this.getrm = function(x){        return Math.round(Math.random()*x);    };    this.getf = function(){        var scolor = acolor[this.getrm(acolor.length-1)];        var ssize = asize[this.getrm(asize.length-1)];        var sx = this.getrm(800)+100,sy = 800;        var vx = avx[this.getrm(avx.length-1)],vy = avy[this.getrm(avy.length-1)];        var fx = document.createElement('div');        fx.innerHTML = '●';        fx.style.color = scolor;        fx.style.fontSize = ssize+'px';        fx.style.left = sx+'px';        fx.style.top = sy+'px';        sky.appendChild(fx);        fireworks.call(fx,sky);        fx.minh = sy;        fx.onmove = function(x,y){            if(fx.maxh&&fx.maxh<y){fx.uninstall();return;}            var h = fx.minh-y;            if(h>300){            var fy = document.createElement('div');            fy.innerHTML = '.';            fy.style.color = scolor;            fy.style.fontSize = '3px';            sky.appendChild(fy);            fireworks.call(fy,sky);            fy.minh = sy;            fy.g = 0.5;            fy.onmove = function(){if(fy.times>15){fy.uninstall();return;}fy.style.fontSize = parseInt(fy.style.fontSize)+1+'px';}            fy.movepos((x+ssize/2),(y+ssize),0,0);            }        };        fx.fireball = new fireball(str);        fx.onend = function(x,y){                sky.style.background =scolor;                window.setTimeout(function(){sky.style.background='black';});                fx.fireball.fire(sky,x,y,scolor);        }        fx.movepos(sx,sy,vx,vy);        this.total--;    };    this.fire = function(){        if(this.total<=0){            window.clearTimeout(this.timer);            this.timer = null;        }        this.getf();        with({fb:this}){            fb.timer = window.setTimeout(function(){fb.fire()},delay);        }    };};</script></head><body><table style="width:100%;height:100%;"><tr><td style="text-align:center;vertical-align:middle;"><h1 style="color:red;">Happy New Year!</h1></td></tr></table><script type="text/javascript">var delay = (/msie/i.test(navigator.appVersion))?4000:1500;var fx = new firebox(document.body,delay,['HAPPY','NEW','YEAR','新','年','好']);fx.fire();</script></body></html>

[Ctrl+A 全部选择提示：你可先修改部分代码，再按运行]