JS实现520 表白简单代码
网络 2018-06-11 1070
这两天不知道咋了，迷迷糊糊的，突然知道今天是520的我，急急忙忙赶出个程序（新手，代码有点乱），发出来大家一起研究下（参考百度的）。
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 | <!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>520</title> <style> html, body{padding:0px; margin:0px; background:#222; font-family: 'Karla', sans-serif; color:#FFF; height:100%; overflow:hidden;} canvas {width:100%; height:100%;} #text,#text_520{font-family:'楷体'; color:rgb(255,255,3); font-size:20px; position:fixed; left:10%; top:10%;} #text_520{font-size:100px; top:50%; left:50%;} img{position:fixed; top:0; left:0; width:100%;} #last{font-size:12px; bottom:10px; left:50%; position:fixed;} /* @keyframes drop { 0% { transform: translateY(-100px); opacity: 0; } 90% { opacity: 1; transform:translateY(10px); } 100% { transform:translateY(0px;) } } */ </style> </head> <body> <canvas id="c"></canvas> <div id="text"></div> <div id="text_520">5 2 0</div> <img src="./timg.jpg" class="img" /> <div id="last">版权所有：李晓珂</div> <script type="text/javascript" src="./jquery-1.11.0.min.js"></script> <script type="text/javascript"> function isIE(){ var u = navigator.userAgent; if((u.indexOf("compatible") > -1 && u.indexOf("MSIE") > -1) || (u.indexOf("Trident") > -1 && u.indexOf("rv:11.0") > -1)){ alert("该浏览器暂不支持，请更换浏览器"); window.open('','_self'); window.close(); } var audio = document.createElement("audio"); audio.setAttribute("src","./520-love.mp3"); audio.setAttribute("autoplay","autoplay"); } isIE(); </script> <script type="text/javascript"> var textArr = [ 'I love three things in this world,', 'the sun ,the moon and you.', 'The sun for the day,', 'the moon for the night,', 'and you forever!', '', 'If you were a teardrop,', 'in my eye,', 'for fear of losing you,', 'I would never cry.', 'And if the golden sun,', 'should cease to shine its light,', 'just one smile from you,', 'would make my whole world bright.' ]; var text_520 = document.getElementById('text_520'); var height = (window.innerHeight - text_520.offsetHeight) / 2; var width = (window.innerWidth - text_520.offsetWidth) / 2; text_520.style.top = height + 'px'; text_520.style.left = width + 'px'; $('#text_520').hide(); $('.img').hide(); var m = 0; var n = 0; var text = document.getElementById('text'); function typing(){ if(m <= textArr[n].length) { text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + textArr[n].substr(m++,1) + '_'; setTimeout(typing,250); }else { if(n < textArr.length-1){ text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1) + "<br />_"; n++; m = 0; typing(); }else { text.innerHTML = text.innerHTML.substring(0,text.innerHTML.length-1); $('#text').fadeOut(5000); setTimeout(function(){$('#text_520').fadeIn(5000);},7000); setTimeout(function(){$('#text_520').fadeOut(5000); },7000); setTimeout(function(){$('.img').fadeIn(50000);},15000) } } } setTimeout(typing,5000); var ctx = document.querySelector('canvas').getContext('2d'); ctx.canvas.width = window.innerWidth; ctx.canvas.height = window.innerHeight; var sparks = []; var fireworks = []; var walker; fireworks.pop(); var i = 10; while(i--) fireworks.push(new Firework(Math.random()*window.innerWidth, window.innerHeight*Math.random())); // setInterval(render, 1000/50); render(); function render() { setTimeout(render, 1000/50); ctx.fillStyle = 'rgba(0, 0, 0, 0.2)'; ctx.fillRect(0, 0, ctx.canvas.width, ctx.canvas.height); // 上升效果 for(var firework of fireworks) { if(firework.dead) continue; firework.move(); firework.draw(); } // 绽放效果 for(var spark of sparks) { if(spark.dead) continue; spark.move(); spark.draw(); } if(Math.random() < 0.1) fireworks.push(new Firework()); //ctx.height = ctx.height; } function Spark(x, y, color) { this.x = x; this.y = y; this.dir = Math.random() * (Math.PI*2); this.dead = false; this.color = color; this.speed = Math.random() * 3 + 3; walker = new Walker({ radius: 20, speed: 0.25 }); this.gravity = 0.25; this.dur = this.speed / 0.15; this.move = function() { this.dur--; if(this.dur < 0) this.dead = true; if(this.speed < 0) return; if(this.speed > 0) this.speed -= 0.15; walk = walker.step(); this.x += Math.cos(this.dir + walk) * this.speed; this.y += Math.sin(this.dir + walk) * this.speed; this.y += this.gravity; this.gravity += 0.05; } this.draw = function() { drawCircle(this.x, this.y, 2, this.color); } } function Firework(x, y) { this.xmove = Math.random()*2 - 1; this.x = x || Math.random() * ctx.canvas.width; this.y = y || ctx.canvas.height; this.height = Math.random()*ctx.canvas.height/2; this.dead = false; this.color = randomColor(); this.move = function() { this.x += this.xmove; if(this.y > this.height) this.y -= 4; else this.burst(); } this.draw = function() { drawCircle(this.x, this.y, 3, this.color) } this.burst = function() { this.dead = true i = 100; while(i--) sparks.push(new Spark(this.x, this.y, this.color)); sparks.pop(); } } setTimeout(function (){window.open('','_self').close();},175000); /* // 清除两个数组 function clear(){ if(sparks!=null || fireworks!=null){ sparks.pop(); fireworks.pop(); } var sparks = []; var fireworks = []; } setInterval(clear,100); */ function drawCircle(x, y, radius, color) { color = color || '#FFF'; ctx.fillStyle = color; ctx.fillRect(x-radius/2, y-radius/2, radius, radius); } function randomColor(){ return ['#6ae5ab','#88e3b2','#36b89b','#7bd7ec','#66cbe1'][Math.floor(Math.random() * 5)]; } function Walker(options){ this.step = function(){ this.direction = Math.sign(this.target) * this.speed this.value += this.direction this.target ? this.target -= this.direction : (this.value) ? (this.wander) ? this.target = this.newTarget() : this.target = -this.value : this.target = this.newTarget() return this.direction } this.newTarget = function() { return Math.round(Math.random()*(this.radius*2)-this.radius) } this.start = 0 this.value = 0 this.radius = options.radius this.target = this.newTarget() this.direction = Math.sign(this.target) this.wander = options.wander this.speed = options.speed || 1 } </script> </body> </html> |
总结
以上所述是小编给大家介绍的JS实现520 简单表白代码，希望对大家有所帮助
