289 lines
9.0 KiB
Vue
289 lines
9.0 KiB
Vue
<script setup lang="ts">
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import { onBeforeUnmount, onMounted, ref, computed, watch } from 'vue'
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import { useRoute } from 'vue-router'
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import { useI18n } from 'vue-i18n'
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import gsap from 'gsap'
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import { ScrollTrigger } from 'gsap/ScrollTrigger'
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import { useAppStore } from '~/stores/app'
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import AppLogo from '~/components/common/AppLogo.vue'
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gsap.registerPlugin(ScrollTrigger)
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const { t } = useI18n()
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const route = useRoute()
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const appStore = useAppStore()
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// 导航菜单数据配置
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const navItems = computed<Array<{ name: string, path: string }>>(() => [
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{ name: t('nav.home'), path: '/' },
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{ name: t('nav.studio'), path: '/studio' },
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{ name: t('nav.work'), path: '/work' },
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{ name: t('nav.news'), path: '/news' },
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{ name: t('nav.contact'), path: '/contact' }
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])
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const topHeaderRef = ref<HTMLElement | null>(null)
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const bottomHeaderRef = ref<HTMLElement | null>(null)
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let topHeaderTween: gsap.core.Tween | null = null
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let bottomHeaderScrollTrigger: ReturnType<typeof ScrollTrigger.create> | null = null
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let isBottomHeaderVisible = false
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let fallbackTimer: ReturnType<typeof setTimeout> | null = null
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const setBottomHeaderVisible = (visible: boolean) => {
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if (!bottomHeaderRef.value || isBottomHeaderVisible === visible) {
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return
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}
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isBottomHeaderVisible = visible
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gsap.to(bottomHeaderRef.value, {
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yPercent: visible ? 0 : 150,
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autoAlpha: visible ? 1 : 0,
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duration: 0.45,
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ease: 'power2.out',
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overwrite: 'auto',
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force3D: true,
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})
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}
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// 定义一个供外部或延迟调用的入场动画方法
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const playHeaderIntro = () => {
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if (!topHeaderRef.value) return
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// 如果已经触发过，清理可能存在的保底定时器
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if (fallbackTimer) {
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clearTimeout(fallbackTimer)
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fallbackTimer = null
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}
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gsap.fromTo(topHeaderRef.value,
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{
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y: '100vh',
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opacity: 0 // 恢复初始透明度为0，让它在屏幕最底部时是隐形的
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},
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{
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y: 0,
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opacity: 1, // 伴随飞入的过程逐渐完全显示
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duration: 1.4,
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ease: 'power4.out',
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delay: 0,
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overwrite: 'auto',
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clearProps: 'transform',
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onComplete: () => {
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// 动画完成时，强制把 style 的 opacity 移除，防止被内联样式锁死
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if (topHeaderRef.value) {
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topHeaderRef.value.style.opacity = ''
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}
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// 进场动画完毕后，再将滚动消失动画挂载到 ScrollTrigger
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if (topHeaderTween) {
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topHeaderTween.scrollTrigger?.kill()
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ScrollTrigger.create({
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animation: topHeaderTween,
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start: 0,
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end: 200,
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scrub: true,
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})
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ScrollTrigger.refresh()
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}
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}
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})
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}
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// 监听自定义事件，当首页的 Hero 动画完成或到达特定阶段时触发导航栏入场
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const handleHeroReady = () => {
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playHeaderIntro()
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}
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const cleanupHeroReadyHook = () => {
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if (fallbackTimer) {
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clearTimeout(fallbackTimer)
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fallbackTimer = null
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}
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if (typeof window !== 'undefined') {
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window.removeEventListener('hero-intro-done', handleHeroReady)
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}
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}
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const hideTopHeader = () => {
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if (!topHeaderRef.value) return
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gsap.set(topHeaderRef.value, { y: '100vh', opacity: 0 })
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}
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const showTopHeaderInstant = () => {
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if (!topHeaderRef.value) return
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gsap.set(topHeaderRef.value, { y: 0, opacity: 1 })
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topHeaderRef.value.style.opacity = ''
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if (topHeaderTween) {
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topHeaderTween.scrollTrigger?.kill()
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ScrollTrigger.create({
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animation: topHeaderTween,
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start: 0,
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end: 200,
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scrub: true,
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})
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ScrollTrigger.refresh()
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}
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}
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onMounted(() => {
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// 顶部导航在页面刚开始滚动的前 200px 内逐渐上移并隐藏。
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topHeaderTween = gsap.to(topHeaderRef.value, {
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yPercent: -140,
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autoAlpha: 0,
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ease: 'none',
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paused: true, // 初始不执行，等进场动画完毕再绑定到 ScrollTrigger
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})
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// 底部导航默认藏在视口下方，只有滚动到深处并向上滚时才出现。
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gsap.set(bottomHeaderRef.value, {
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xPercent: -50,
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yPercent: 150,
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autoAlpha: 0,
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force3D: true
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})
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bottomHeaderScrollTrigger = ScrollTrigger.create({
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start: 0,
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end: 'max',
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onUpdate: (self) => {
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const scrollY = self.scroll()
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// 深度超过 1000px 后向上滚，显示底部导航。
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if (scrollY > 1000 && self.direction === -1) {
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setBottomHeaderVisible(true)
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return
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}
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// 回到 1000px 以内，或继续向下滚时，底部导航收回。
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if (scrollY <= 1000 || self.direction === 1) {
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setBottomHeaderVisible(false)
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}
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},
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})
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ScrollTrigger.refresh()
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if (!appStore.isAppLoading && route.path !== '/') {
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showTopHeaderInstant()
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}
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})
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watch([() => appStore.isAppLoading, () => route.path], ([isLoading, path]) => {
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if (isLoading || typeof window === 'undefined') return
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cleanupHeroReadyHook()
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if (path === '/') {
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hideTopHeader()
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window.addEventListener('hero-intro-done', handleHeroReady, { once: true })
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fallbackTimer = setTimeout(() => {
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window.removeEventListener('hero-intro-done', handleHeroReady)
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playHeaderIntro()
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}, 5000)
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return
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}
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showTopHeaderInstant()
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}, { immediate: true })
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onBeforeUnmount(() => {
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cleanupHeroReadyHook()
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topHeaderTween?.scrollTrigger?.kill()
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topHeaderTween?.kill()
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bottomHeaderScrollTrigger?.kill()
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topHeaderTween = null
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bottomHeaderScrollTrigger = null
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isBottomHeaderVisible = false
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if (topHeaderRef.value && bottomHeaderRef.value) {
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gsap.killTweensOf([topHeaderRef.value, bottomHeaderRef.value])
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}
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})
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</script>
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<template>
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<header ref="topHeaderRef"
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class="site-header-top fixed left-0 right-0 top-0 z-50 mx-auto flex h-[100px] w-page-container max-w-[calc(100%-2rem)] items-center justify-between px-4 py-5"
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style="opacity: 0; transform: translateY(100vh);">
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<!-- 左侧：Logo 和 标题 -->
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<AppLogo />
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<!-- 中间：导航链接 -->
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<nav class="hidden md:flex items-center gap-10 lg:gap-16">
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<NuxtLink v-for="item in navItems" :key="item.name" :to="item.path"
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class="nav-link-item group flex items-center overflow-hidden font-semibold tracking-[-0.7px] text-black"
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style="font-size: 1rem; justify-content: flex-start; position: relative;">
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<div
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class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
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<span class="mr-2 h-2.5 w-2.5 rounded-full bg-black shrink-0"></span>
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<span>{{ item.name }}</span>
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</div>
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</NuxtLink>
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</nav>
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<!-- 右侧：菜单图标 (使用 div 绘制) -->
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<div class="menu-icon group flex h-12 w-12 cursor-pointer flex-col items-end justify-center gap-[8px]">
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<div class="h-[2px] w-10 bg-black transition-all duration-300 group-hover:translate-y-[2.5px]"></div>
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<div class="h-[2px] w-10 bg-black transition-all duration-300 group-hover:-translate-y-[2.5px]"></div>
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</div>
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</header>
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<header ref="bottomHeaderRef" class="site-header-bottom z-50 bg-white/80 backdrop-blur-md">
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<!-- 左侧菜单 (前两个菜单项) -->
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<nav class="flex items-center">
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<NuxtLink v-for="item in navItems.slice(0, 2)" :key="'bottom-' + item.name" :to="item.path"
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class="group flex items-center overflow-hidden font-semibold tracking-[-0.7px] text-black"
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style="font-size: 1rem; justify-content: flex-start; position: relative;">
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<div
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class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
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<span class="mr-2 h-2.5 w-2.5 rounded-full bg-black shrink-0"></span>
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<span>{{ item.name }}</span>
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</div>
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</NuxtLink>
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</nav>
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<!-- 中间 Logo (组件内部自带跳转和动画) -->
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<div class="flex items-center justify-center">
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<AppLogo compact click-action="top" />
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</div>
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<!-- 右侧菜单 (中间两个菜单项，留最后一个 contact 给右上角按钮) -->
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<nav class="flex items-center justify-self-end">
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<NuxtLink v-for="item in navItems.slice(2, 4)" :key="'bottom-' + item.name" :to="item.path"
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class="group flex items-center overflow-hidden font-semibold tracking-[-0.7px] text-black"
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style="font-size: 1rem; justify-content: flex-start; position: relative;">
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<div
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class="flex items-center transition-transform duration-300 group-hover:translate-x-0 -translate-x-[18px] pr-[18px]">
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<span class="mr-2 h-2.5 w-2.5 rounded-full bg-black shrink-0"></span>
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<span>{{ item.name }}</span>
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</div>
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</NuxtLink>
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</nav>
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</header>
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</template>
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<style scoped>
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.site-header-bottom {
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border: 1px solid #ffffff47;
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border-radius: 12px;
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grid-template-rows: auto;
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grid-template-columns: auto minmax(50px, auto) auto;
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grid-auto-columns: 1fr;
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place-items: center stretch;
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max-width: 570px;
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width: fit-content;
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padding: 15px 20px;
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display: grid;
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position: fixed;
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left: 50%;
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bottom: 15px;
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overflow: hidden;
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visibility: hidden;
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opacity: 0;
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box-shadow: 0 -1px #0000001f, 0 12px 30px #0000001a, inset 0 1px #ffffff96;
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}
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</style>
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