新的一年又即将开始了,你喜欢的妹纸追到了嘛,今天下班看到一些博客有飘雪特效,于是博主就参考了下顺便分享咯!
刀贱贱用的是Zblog,所以此特效以Zblog为例其他程序自测
找到主题模板根目录下的底部文件footer.php 在适当位置加入以下代码
ps:如果你使用的是宁静致远主题模板可以在后台→主题配置→广告设置把以下代码复制粘贴进去即可
<script src="//网址域名/xue.js" defer></script><div class="snow"><canvas id="snow"></canvas></div>
下一步到主机根目录创建个js文件,并命名为xue.js如图:
创建好了复制以下代码进去xue.js文件里面
js代码:
JavaScript
(function() { var requestAnimationFrame = window.requestAnimationFrame || window.mozRequestAnimationFrame || window.webkitRequestAnimationFrame || window.msRequestAnimationFrame || function(callback) { window.setTimeout(callback, 1000 / 60); }; window.requestAnimationFrame = requestAnimationFrame;})();(function() { var flakes = [], canvas = document.getElementById("snow"), //画布ID,与上一步创建的画布对应 ctx = canvas.getContext("2d"), flakeCount = 200, //雪花数量,数值越大雪花数量越多 mX = -100, mY = -100; canvas.width = window.innerWidth; canvas.height = window.innerHeight; function snow() { ctx.clearRect(0, 0, canvas.width, canvas.height); for (var i = 0; i < flakeCount; i++) { var flake = flakes[i], x = mX, y = mY, minDist = 150, //雪花距离鼠标指针的最小值,小于这个距离的雪花将受到鼠标的排斥 x2 = flake.x, y2 = flake.y; var dist = Math.sqrt((x2 - x) * (x2 - x) + (y2 - y) * (y2 - y)), dx = x2 - x, dy = y2 - y; if (dist < minDist) { var force = minDist / (dist * dist), xcomp = (x - x2) / dist, ycomp = (y - y2) / dist, deltaV = force / 2; flake.velX -= deltaV * xcomp; flake.velY -= deltaV * ycomp; } else { flake.velX *= .98; if (flake.velY <= flake.speed) { flake.velY = flake.speed } flake.velX += Math.cos(flake.step += .05) * flake.stepSize; } ctx.fillStyle = "rgba(255,255,255," + flake.opacity + ")"; //雪花颜色 flake.y += flake.velY; flake.x += flake.velX; if (flake.y >= canvas.height || flake.y <= 0) { reset(flake); } if (flake.x >= canvas.width || flake.x <= 0) { reset(flake); } ctx.beginPath(); ctx.arc(flake.x, flake.y, flake.size, 0, Math.PI * 2); ctx.fill(); } requestAnimationFrame(snow); }; function reset(flake) { flake.x = Math.floor(Math.random() * canvas.width); flake.y = 0; flake.size = (Math.random() * 3) + 3; //加号后面的值,雪花大小,为基准值,数值越大雪花越大 flake.speed = (Math.random() * 1) + 0.5; //加号后面的值,雪花速度,为基准值,数值越大雪花速度越快 flake.velY = flake.speed; flake.velX = 0; flake.opacity = (Math.random() * 0.5) + 0.3; //加号后面的值,为基准值,范围0~1 } function init() { for (var i = 0; i < flakeCount; i++) { var x = Math.floor(Math.random() * canvas.width), y = Math.floor(Math.random() * canvas.height), size = (Math.random() * 3) + 3, //加号后面的值,雪花大小,为基准值,数值越大雪花越大 speed = (Math.random() * 1) + 0.5, //加号后面的值,雪花速度,为基准值,数值越大雪花速度越快 opacity = (Math.random() * 0.5) + 0.3; //加号后面的值,为基准值,范围0~1 flakes.push({ speed: speed, velY: speed, velX: 0, x: x, y: y, size: size, stepSize: (Math.random()) / 30 * 1, //乘号后面的值,雪花横移幅度,为基准值,数值越大雪花横移幅度越大,0为竖直下落 step: 0, angle: 180, opacity: opacity }); } snow(); }; document.addEventListener("mousemove", function(e) { mX = e.clientX, mY = e.clientY }); window.addEventListener("resize", function() { canvas.width = window.innerWidth; canvas.height = window.innerHeight; }); init();})();
下一步就是css代码,复制以下css代码到模板全局css文件里也可以放到footer.php里面,或其他主题设置自定
义css
css代码
CSS
.snow { display: block;}#snow { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: 9999; pointer-events: none;}
然后在后台首页清除缓存即可
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