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nineya / halo-theme-dream2.0

适配halo2.x的dream主题
MIT License
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feat: 增加全站雪花特效，全站喜庆灯笼效果 #89

Closed mjsoftking closed 9 months ago

mjsoftking commented 10 months ago

你当前使用的 Halo 版本

No response

你当前使用的 Dream 版本

No response

描述一下此特性

雪花效果

/* 控制下雪 */
function snowFall(snow) {
    /* 可配置属性 */
    snow = snow || {};
    this.maxFlake = snow.maxFlake || 10;   /* 最多片数 */
    this.flakeSize = snow.flakeSize || 10;  /* 雪花形状 */
    this.fallSpeed = snow.fallSpeed || 1;   /* 坠落速度 */
}

/* 兼容写法 */
requestAnimationFrame = window.requestAnimationFrame ||
    window.mozRequestAnimationFrame ||
    window.webkitRequestAnimationFrame ||
    window.msRequestAnimationFrame ||
    window.oRequestAnimationFrame ||
    function(callback) { setTimeout(callback, 1000 / 60); };

cancelAnimationFrame = window.cancelAnimationFrame ||
    window.mozCancelAnimationFrame ||
    window.webkitCancelAnimationFrame ||
    window.msCancelAnimationFrame ||
    window.oCancelAnimationFrame;

/* 开始下雪 */
snowFall.prototype.start = function(){
    /* 检测黑暗模式 */
    var darkModeMediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
    if (darkModeMediaQuery.matches) {
        return; // 如果黑暗模式开启，则不执行下雪效果
    }

    /* 创建画布 */
    snowCanvas.apply(this);
    /* 创建雪花形状 */
    createFlakes.apply(this);
    /* 画雪 */
    drawSnow.apply(this);
}

/* 创建画布 */
function snowCanvas() {
    /* 添加Dom结点 */
    var snowcanvas = document.createElement("canvas");
    snowcanvas.id = "snowfall";
    snowcanvas.width = document.body.offsetWidth;
    snowcanvas.height = window.innerHeight;
    snowcanvas.setAttribute("style", "position:fixed; top: 0; left: 0; z-index: 9999; pointer-events: none;");
    document.getElementsByTagName("body")[0].appendChild(snowcanvas);
    this.canvas = snowcanvas;
    this.ctx = snowcanvas.getContext("2d");

    /* 窗口大小改变的处理 */
   window.onresize = function() {
    var darkModeMediaQuery = window.matchMedia('(prefers-color-scheme: dark)');
    if (darkModeMediaQuery.matches) {
        cancelAnimationFrame(that.loop); // 如果黑暗模式开启，则关闭下雪效果
        return;
    }
    snowcanvas.width = document.body.offsetWidth;
    snowcanvas.height = window.innerHeight;
  }

}

/* 雪运动对象 */
function flakeMove(canvasWidth, canvasHeight, flakeSize, fallSpeed) {
    this.x = Math.floor(Math.random() * canvasWidth);   /* x坐标 */
    this.y = Math.floor(Math.random() * canvasHeight);  /* y坐标 */
    this.size = Math.random() * flakeSize + 2;          /* 形状 */
    this.maxSize = flakeSize;                           /* 最大形状 */
    this.speed = Math.random() * 1 + fallSpeed;         /* 坠落速度 */
    this.fallSpeed = fallSpeed;                         /* 坠落速度 */
    this.velY = this.speed;                             /* Y方向速度 */
    this.velX = 0;                                      /* X方向速度 */
    this.stepSize = Math.random() / 30;                 /* 步长 */
    this.step = 0                                       /* 步数 */
}

flakeMove.prototype.update = function() {
    var x = this.x,
        y = this.y;
    /* 左右摆动(余弦) */
    this.velX *= 0.98;
    if (this.velY <= this.speed) {
        this.velY = this.speed
    }
    this.velX += Math.cos(this.step += .05) * this.stepSize;

    this.y += this.velY;
    this.x += this.velX;
    /* 飞出边界的处理 */
    if (this.x >= canvas.width || this.x <= 0 || this.y >= canvas.height || this.y <= 0) {
        this.reset(canvas.width, canvas.height)
    }
};

/* 飞出边界-放置最顶端继续坠落 */
flakeMove.prototype.reset = function(width, height) {
    this.x = Math.floor(Math.random() * width);
    this.y = 0;
    this.size = Math.random() * this.maxSize + 2;
    this.speed = Math.random() * 1 + this.fallSpeed;
    this.velY = this.speed;
    this.velX = 0;
};

// 渲染雪花-随机形状（此处可修改雪花颜色！！！）
flakeMove.prototype.render = function(ctx) {
    var snowFlake = ctx.createRadialGradient(this.x, this.y, 0, this.x, this.y, this.size);
    snowFlake.addColorStop(0, "rgba(255, 255, 255, 0.9)");  /* 此处是雪花颜色，默认是白色 */
    snowFlake.addColorStop(.5, "rgba(255, 255, 255, 0.5)"); /* 若要改为其他颜色，请自行查 */
    snowFlake.addColorStop(1, "rgba(255, 255, 255, 0)");    /* 找16进制的RGB 颜色代码。 */
    ctx.save();
    ctx.fillStyle = snowFlake;
    ctx.beginPath();
    ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
    ctx.fill();
    ctx.restore();
};

/* 创建雪花-定义形状 */
function createFlakes() {
    var maxFlake = this.maxFlake,
        flakes = this.flakes = [],
        canvas = this.canvas;
    for (var i = 0; i < maxFlake; i++) {
        flakes.push(new flakeMove(canvas.width, canvas.height, this.flakeSize, this.fallSpeed))
    }
}

/* 画雪 */
function drawSnow() {
    var maxFlake = this.maxFlake,
        flakes = this.flakes;
    ctx = this.ctx, canvas = this.canvas, that = this;
    /* 清空雪花 */
    ctx.clearRect(0, 0, canvas.width, canvas.height);
    for (var e = 0; e < maxFlake; e++) {
        flakes[e].update();
        flakes[e].render(ctx);
    }
    /* 一帧一帧的画 */
    this.loop = requestAnimationFrame(function() {
        drawSnow.apply(that);
    });
}

/* 调用及控制方法 */
var snow = new snowFall({maxFlake:150});
snow.start();

喜庆灯笼

(function (factory) {
  typeof define === 'function' && define.amd ? define(factory) :
  factory();
}((function () { 'use strict';

  function styleInject(css, ref) {
    if ( ref === void 0 ) ref = {};
    var insertAt = ref.insertAt;

    if (!css || typeof document === 'undefined') { return; }

    var head = document.head || document.getElementsByTagName('head')[0];
    var style = document.createElement('style');
    style.type = 'text/css';

    if (insertAt === 'top') {
      if (head.firstChild) {
        head.insertBefore(style, head.firstChild);
      } else {
        head.appendChild(style);
      }
    } else {
      head.appendChild(style);
    }

    if (style.styleSheet) {
      style.styleSheet.cssText = css;
    } else {
      style.appendChild(document.createTextNode(css));
    }
  }

  var css_248z = "@charset \"UTF-8\";.lantern__warpper{position:fixed;top:12px;left:40px;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none;z-index:999}.lantern__warpper.lantern__secondary{left:calc(100% - 130px)}.lantern__warpper.lantern__secondary .lantern__box{-webkit-animation-duration:3s;animation-duration:3s}.lantern__box{position:relative;display:inline-block;width:90px;height:70px;background:rgba(216,0,15,.8);border-radius:50% 50%;animation:lantern-swing 3s ease-in-out infinite alternate-reverse;-webkit-transform-origin:50% -70px;-ms-transform-origin:50% -70px;transform-origin:50% -70px;-webkit-box-shadow:-5px 5px 50px 4px #fa6c00;box-shadow:-5px 5px 50px 4px #fa6c00}.lantern__box:after,.lantern__box:before{content:\"\";position:absolute;height:8px;width:45px;left:50%;border:1px solid #dc8f03;background:-webkit-gradient(linear,left top,right top,from(#dc8f03),color-stop(orange),color-stop(#dc8f03),color-stop(orange),to(#dc8f03));background:-o-linear-gradient(left,#dc8f03,orange,#dc8f03,orange,#dc8f03);background:linear-gradient(90deg,#dc8f03,orange,#dc8f03,orange,#dc8f03)}.lantern__box:before{top:0;border-radius:5px 5px 0 0;-webkit-transform:translate(-50%,-50%);-ms-transform:translate(-50%,-50%);transform:translate(-50%,-50%)}.lantern__box:after{bottom:0;border-radius:0 0 5px 5px;-webkit-transform:translate(-50%,50%);-ms-transform:translate(-50%,50%);transform:translate(-50%,50%)}.lantern__line{position:absolute;width:2px;height:12px;top:0;left:50%;-webkit-transform:translate(-50%,-100%);-ms-transform:translate(-50%,-100%);transform:translate(-50%,-100%);background:#dc8f03}.lantern__circle{width:80%;-webkit-box-sizing:border-box;box-sizing:border-box}.lantern__circle,.lantern__circle .lantern__ellipse{height:100%;margin:0 auto;border-radius:50%;border:2px solid #dc8f03}.lantern__circle .lantern__ellipse{width:50%}.lantern__circle .lantern__text{font-family:华文行楷,Microsoft YaHei,sans-serif;font-size:24.3px;color:#dc8f03;font-weight:700;line-height:66px;text-align:center}.lantern__tail{position:relative;width:4px;height:12px;margin:0 auto;animation:lantern-swing 4s ease-in-out infinite alternate-reverse;background:orange;border-radius:0 0 5px 5px}.lantern__tail .lantern__junction{position:absolute;top:0;left:50%;width:8px;height:8px;-webkit-transform:translate(-50%,8.4px);-ms-transform:translate(-50%,8.4px);transform:translate(-50%,8.4px);background:#e69603;border-radius:50%}.lantern__tail .lantern__rect{position:absolute;top:0;left:50%;-webkit-transform:translate(-50%,10.8px);-ms-transform:translate(-50%,10.8px);transform:translate(-50%,10.8px);width:8px;height:24px;background:orange;border-radius:5px 5px 0 5px}@-webkit-keyframes lantern-swing{0%{-webkit-transform:rotate(-8deg);transform:rotate(-8deg)}to{-webkit-transform:rotate(8deg);transform:rotate(8deg)}}@keyframes lantern-swing{0%{-webkit-transform:rotate(-8deg);transform:rotate(-8deg)}to{-webkit-transform:rotate(8deg);transform:rotate(8deg)}}@media (max-width:460px){.lantern__warpper{top:8px;left:30px}.lantern__warpper.lantern__secondary{left:calc(100% - 80px)}.lantern__box{width:50px;height:40px;-webkit-transform-origin:50% -40px;-ms-transform-origin:50% -40px;transform-origin:50% -40px;-webkit-box-shadow:-5px 5px 50px -1px #fa6c00;box-shadow:-5px 5px 50px -1px #fa6c00}.lantern__box:after,.lantern__box:before{height:4px;width:25px}.lantern__line{width:2px;height:8px}.lantern__circle .lantern__text{font-size:13.5px;line-height:38px}.lantern__tail{width:4px;height:8px}.lantern__tail .lantern__junction{width:8px;height:8px;-webkit-transform:translate(-50%,5.6px);-ms-transform:translate(-50%,5.6px);transform:translate(-50%,5.6px)}.lantern__tail .lantern__rect{-webkit-transform:translate(-50%,7.2px);-ms-transform:translate(-50%,7.2px);transform:translate(-50%,7.2px);width:8px;height:16px}}";
  styleInject(css_248z);

  var content = '<div class="lantern__warpper"><div class="lantern__box"><div class="lantern__line"></div><div class="lantern__circle"><div class="lantern__ellipse"><div class="lantern__text">喜</div></div></div><div class="lantern__tail"><div class="lantern__rect"></div><div class="lantern__junction"></div></div></div></div><div class="lantern__warpper lantern__secondary"><div class="lantern__box"><div class="lantern__line"></div><div class="lantern__circle"><div class="lantern__ellipse"><div class="lantern__text">庆</div></div></div><div class="lantern__tail"><div class="lantern__rect"></div><div class="lantern__junction"></div></div></div></div>';

  function createElement() {
    var div = document.createElement('div');
    div.className = 'j-china-lantern';
    div.innerHTML = content;
    document.body.appendChild(div);
  }

  createElement();

})));

@nineya js为网友分享的，雪花部分代码须调整，这个不知道怎么加，你看情况决定是否添加吧 预览：智识家

附加信息

No response

mjsoftking commented 10 months ago

若有想预览的可在定制主题添加js引用 image

<script src="https://demo.sw0.top/js/snowflake.js"></script>
<script src="https://demo.sw0.top/js/china-lantern.js"></script>