perf(about): 优化页面初始化和渲染性能
- 使用requestIdleCallback优化初始数据获取时机 - 降级方案使用延迟setTimeout避免阻塞主线程 - 引入requestAnimationFrame优化DOM更新避免强制重排 - 为3D球体添加防抖尺寸计算和批量样式更新 - 监听窗口resize事件动态调整3D球体布局 - 添加主题/语言变更的日志记录便于调试
This commit is contained in:
hehh
211
js/about.js
211
js/about.js
@@ -220,8 +220,15 @@ class DataManager {
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}
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init() {
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setTimeout(() => this.fetchGithub(), 0);
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setTimeout(() => this.fetchBlog(), 0);
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// 使用requestIdleCallback或setTimeout优化初始化调用
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if ('requestIdleCallback' in window) {
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requestIdleCallback(() => this.fetchGithub(), { timeout: 1000 });
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requestIdleCallback(() => this.fetchBlog(), { timeout: 1000 });
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} else {
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// 降级到setTimeout，但稍后执行以避免阻塞
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setTimeout(() => this.fetchGithub(), 50);
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setTimeout(() => this.fetchBlog(), 100);
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}
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}
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// 创建带超时的fetch函数
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@@ -336,10 +343,16 @@ class DataManager {
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<div class="repo-desc">${escapeHtml(dShort)}</div>
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</div>`;
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});
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const pc = $('#projects-container');
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pc.removeClass('fade-in');
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pc.html(html);
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pc.addClass('fade-in');
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// 使用requestAnimationFrame避免强制重排
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requestAnimationFrame(() => {
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const pc = $('#projects-container');
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pc.removeClass('fade-in');
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requestAnimationFrame(() => {
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pc.html(html);
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pc.addClass('fade-in');
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});
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});
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}
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// 从RSS获取博客文章
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@@ -447,10 +460,16 @@ class DataManager {
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<div class="b-cat">${escapeHtml(cat)}</div>
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</div>`;
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});
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const bc = $('#blog-container');
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bc.removeClass('fade-in');
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bc.html(html);
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bc.addClass('fade-in');
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// 使用requestAnimationFrame避免强制重排
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requestAnimationFrame(() => {
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const bc = $('#blog-container');
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bc.removeClass('fade-in');
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requestAnimationFrame(() => {
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bc.html(html);
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bc.addClass('fade-in');
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});
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});
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}
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}
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@@ -585,6 +604,7 @@ class UIManager {
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const themeObserver = new MutationObserver(() => {
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const newTheme = document.documentElement.getAttribute('data-theme');
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const newLang = document.documentElement.getAttribute('data-lang');
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console.log('Theme/Language changed:', newTheme, newLang);
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// 延迟执行
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setTimeout(() => {
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// 重新加载整个评论组件
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@@ -738,78 +758,111 @@ class UIManager {
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} else {
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// PC: 3D Sphere
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container.classList.remove('mobile-scroll');
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container.__animToken = Date.now();
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const tags = [];
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techStack.forEach((item, index) => {
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const el = document.createElement('a');
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el.className = 'tech-tag-3d';
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const colorClass = `tag-color-${item.gradientId || ((index % 10) + 1)}`;
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el.classList.add(colorClass);
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el.innerText = item.name;
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el.style.border = 'none';
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container.appendChild(el);
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tags.push({el, x: 0, y: 0, z: 0});
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});
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// 动态半径，避免容器溢出
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let radius = Math.max(160, Math.min(container.offsetWidth, container.offsetHeight) / 2 - 24);
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const dtr = Math.PI / 180;
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let lasta = 1, lastb = 1;
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let active = false, mouseX = 0, mouseY = 0;
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// Init positions
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tags.forEach((tag, i) => {
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let phi = Math.acos(-1 + (2 * i + 1) / tags.length);
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let theta = Math.sqrt(tags.length * Math.PI) * phi;
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tag.x = radius * Math.cos(theta) * Math.sin(phi);
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tag.y = radius * Math.sin(theta) * Math.sin(phi);
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tag.z = radius * Math.cos(phi);
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});
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container.onmouseover = () => active = true;
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container.onmouseout = () => active = false;
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container.onmousemove = (e) => {
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let rect = container.getBoundingClientRect();
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mouseX = (e.clientX - (rect.left + rect.width / 2)) / 5;
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mouseY = (e.clientY - (rect.top + rect.height / 2)) / 5;
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};
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const update = () => {
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let a, b;
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if (active) {
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a = (-Math.min(Math.max(-mouseY, -200), 200) / radius) * 2;
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b = (Math.min(Math.max(-mouseX, -200), 200) / radius) * 2;
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} else {
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a = lasta * 0.98; // Auto rotate
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b = lastb * 0.98;
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// 使用防抖优化尺寸计算
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let resizeTimeout;
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const updateContainerSize = () => {
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if (resizeTimeout) {
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clearTimeout(resizeTimeout);
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}
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lasta = a;
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lastb = b;
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if (Math.abs(a) <= 0.01 && Math.abs(b) <= 0.01 && !active) a = 0.5; // Keep spinning slowly
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let sa = Math.sin(a * dtr), ca = Math.cos(a * dtr);
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let sb = Math.sin(b * dtr), cb = Math.cos(b * dtr);
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tags.forEach(tag => {
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let rx1 = tag.x, ry1 = tag.y * ca - tag.z * sa, rz1 = tag.y * sa + tag.z * ca;
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let ry2 = ry1, rz2 = rx1 * -sb + rz1 * cb;
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tag.x = rx1 * cb + rz1 * sb;
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tag.y = ry2;
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tag.z = rz2;
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let scale = (tag.z + radius) / (2 * radius) + 0.45;
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scale = Math.min(Math.max(scale, 0.7), 1.15);
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tag.el.style.opacity = (tag.z + radius) / (2 * radius) + 0.2;
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tag.el.style.zIndex = parseInt(scale * 100);
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let left = tag.x + container.offsetWidth / 2 - tag.el.offsetWidth / 2;
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let top = tag.y + container.offsetHeight / 2 - tag.el.offsetHeight / 2;
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tag.el.style.transform = `translate(${left}px, ${top}px) scale(${scale})`;
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});
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requestAnimationFrame(update);
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resizeTimeout = setTimeout(() => {
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init3DSphere();
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}, 100);
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};
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update();
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// 初始化3D球体
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const init3DSphere = () => {
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// 清除之前的动画
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if (container.__animToken) {
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cancelAnimationFrame(container.__animToken);
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}
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// 清空容器
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container.innerHTML = '';
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const tags = [];
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techStack.forEach((item, index) => {
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const el = document.createElement('a');
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el.className = 'tech-tag-3d';
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const colorClass = `tag-color-${item.gradientId || ((index % 10) + 1)}`;
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el.classList.add(colorClass);
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el.innerText = item.name;
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el.style.border = 'none';
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container.appendChild(el);
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tags.push({el, x: 0, y: 0, z: 0});
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});
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// 动态半径，避免容器溢出，使用防抖优化
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let radius = Math.max(160, Math.min(container.offsetWidth, container.offsetHeight) / 2 - 24);
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const dtr = Math.PI / 180;
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let lasta = 1, lastb = 1;
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let active = false, mouseX = 0, mouseY = 0;
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// 初始化位置
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tags.forEach((tag, i) => {
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let phi = Math.acos(-1 + (2 * i + 1) / tags.length);
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let theta = Math.sqrt(tags.length * Math.PI) * phi;
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tag.x = radius * Math.cos(theta) * Math.sin(phi);
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tag.y = radius * Math.sin(theta) * Math.sin(phi);
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tag.z = radius * Math.cos(phi);
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});
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container.onmouseover = () => active = true;
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container.onmouseout = () => active = false;
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container.onmousemove = (e) => {
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let rect = container.getBoundingClientRect();
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mouseX = (e.clientX - (rect.left + rect.width / 2)) / 5;
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mouseY = (e.clientY - (rect.top + rect.height / 2)) / 5;
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};
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const update = () => {
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let a, b;
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if (active) {
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a = (-Math.min(Math.max(-mouseY, -200), 200) / radius) * 2;
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b = (Math.min(Math.max(-mouseX, -200), 200) / radius) * 2;
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} else {
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a = lasta * 0.98; // Auto rotate
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b = lastb * 0.98;
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}
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lasta = a;
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lastb = b;
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if (Math.abs(a) <= 0.01 && Math.abs(b) <= 0.01 && !active) a = 0.5; // Keep spinning slowly
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let sa = Math.sin(a * dtr), ca = Math.cos(a * dtr);
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let sb = Math.sin(b * dtr), cb = Math.cos(b * dtr);
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// 批量更新样式以减少重排
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const fragment = document.createDocumentFragment();
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tags.forEach(tag => {
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let rx1 = tag.x, ry1 = tag.y * ca - tag.z * sa, rz1 = tag.y * sa + tag.z * ca;
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let ry2 = ry1, rz2 = rx1 * -sb + rz1 * cb;
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tag.x = rx1 * cb + rz1 * sb;
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tag.y = ry2;
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tag.z = rz2;
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let scale = (tag.z + radius) / (2 * radius) + 0.45;
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scale = Math.min(Math.max(scale, 0.7), 1.15);
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tag.el.style.opacity = (tag.z + radius) / (2 * radius) + 0.2;
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tag.el.style.zIndex = parseInt(scale * 100);
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let left = tag.x + container.offsetWidth / 2 - tag.el.offsetWidth / 2;
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let top = tag.y + container.offsetHeight / 2 - tag.el.offsetHeight / 2;
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tag.el.style.transform = `translate(${left}px, ${top}px) scale(${scale})`;
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});
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container.__animToken = requestAnimationFrame(update);
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};
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container.__animToken = requestAnimationFrame(update);
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};
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// 初始化3D球体
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init3DSphere();
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// 监听窗口大小变化
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window.addEventListener('resize', updateContainerSize);
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}
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}
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