動態畫廊 util

自由變換排版的畫廊。

技術關鍵字

名稱	描述
Babylon.js	3D 引擎
Anime.js	輕量級 JavaScript 動畫函式庫
JS 動畫	基於 JavaScript 實現的動畫，達成更複雜、精準的動畫控制，常見套件有 GSAP、anime.js 等
Dynamic Texture	可動態修改的材質，常用於即時產生圖案或文字

使用範例

基本用法

切換 type 時，動態變更圖片排版

loading...

gridwheeltunnelball

查看範例原始碼

<template>
  <div class="mt-4 w-full flex flex-col gap-4">
    <util-motion-gallery
      v-slot="{ isLoading }"
      class="h-full"
      :image-list
      :layout
    >
      <transition name="opacity">
        <div
          v-if="isLoading"
          class="absolute h-full w-full flex-center bg-black/50"
        >
          <div class="flex flex-col items-center gap-4">
            <div class="h-10 w-10 animate-spin border-4 border-white border-t-transparent rounded-full" />

            <span class="text-2xl text-white tracking-widest">
              loading...
            </span>
          </div>
        </div>
      </transition>
    </util-motion-gallery>

    <select-stepper
      v-model="type"
      :options
      class="w-full text-center"
    />
  </div>
</template>

<script setup lang="ts">
import type { ComponentProps } from 'vue-component-type-helpers'
import { computed, ref } from 'vue'
import SelectStepper from '../../select-stepper.vue'
import UtilMotionGallery from '../util-motion-gallery.vue'

type Props = ComponentProps<typeof UtilMotionGallery>
type LayoutType = NonNullable<Props['layout']>['type']

const imageList: [string, ...string[]] = [
  '/low/painting-codfish-bakery.webp',
  '/low/painting-codfish-rain.webp',
  '/low/photography-fireworks.webp',
  '/low/photography-morning-light-of-rice.webp',
  '/low/photography-big-stupid-bird.webp',
  '/low/photography-ears-of-rice.webp',
  '/low/photography-gaomei-windmill.webp',
  '/low/photography-spider-at-night.webp',
  '/low/photography-street-cat.webp',
  '/low/photography-afternoon-cicada-chirping.webp',
  '/low/photography-whispers-of-the-setting-sun.webp',
  '/low/photography-city-of-lights-from-the-mountainside.webp',
]

const type = ref<LayoutType>('grid')

const layout = computed(() => ({
  type: type.value,
}))

const options: LayoutType[] = [
  'grid',
  'wheel',
  'tunnel',
  'ball',
]
</script>

<style scoped lang="sass">
.opacity-enter-active, .opacity-leave-active
  transition-duration: 0.4s
.opacity-enter-from, .opacity-leave-to
  opacity: 0 !important
</style>

原理

基於 babylon.js 實現 3D 物件的旋轉、縮放、平移等等變換，利用 anime.js 實現動畫效果。

轉啊轉啊轉

在 3D 空間中旋轉的物體需考慮每個軸的旋轉順序，會影響最終的旋轉結果。

也就是說同樣是每個軸各轉 90 度，但 XYZ、 ZYX、YZX 這三種順序的結果會不一樣呦！( ﾟ ∀。)

詳細說明可見 Sequencing Rotations

常常轉到腦袋打結 ~( ﾟ ∀。)~

原始碼

元件

、範例

API

Props

type Layout = {
  type: 'grid';
  gap?: number;
} | {
  type: 'wheel';
  radius?: number;
} | {
  type: 'tunnel';
  radius?: number;
  depthGap?: number;
} | {
  type: 'ball';
  radius?: number;
}

interface Props {
  layout?: Layout;
  /** 不足 30 張會自動重複填充至 30 張 */
  imageList: [string, ...string[]];
  fpsVisible?: boolean;

  /** 背景色。無限遠處的顏色 */
  clearColor?: Color4;
  /** 霧化色。足夠遠處的照片會被此顏色籠罩 */
  fogColor?: Color3;
}