簡介

Anime.js 是一個輕量級的 JavaScript 動畫庫，它提供了簡單而強大的 API 來創建各種復雜的動畫效果。以下是 Anime.js 的主要使用方法和特性：

安裝

npm install animejs

---

基本用法

<script setup>
import { ref, onMounted } from "vue";
import anime from "animejs";const rotations = ref(0);
const logoRef = ref(null);const handleClick = () => {rotations.value += 1;anime({targets: logoRef.value,rotate: rotations.value * 360,easing: "easeOutQuart",duration: 2000,});
};onMounted(() => {anime({targets: logoRef.value,scale: [{ value: 1.25, easing: "easeInOutCubic", duration: 200 },{ value: 1, easing: "spring(1, 80, 10, 0)" },],loop: true,direction: "alternate",loopDelay: 250,});
});
</script><template><div class="mt-10"><img ref="logoRef" src="@/assets/react.svg" class="logo" alt="React logo" /><buttonclass="px-4 py-2 bg-blue-500 text-white rounded-lg hover:bg-blue-600 transition-colors mt-4"@click="handleClick">旋轉</button></div>
</template>

---

定時器（timer）

<script setup>
import { ref, onMounted, onUnmounted } from "vue";const time = ref(0);
const count = ref(0);
let interval = null;onMounted(() => {let currentIteration = 0;interval = setInterval(() => {time.value = Date.now();currentIteration += 1;count.value = currentIteration;}, 1000 / 30);
});onUnmounted(() => {clearInterval(interval);
});
</script><template><div class="m-10 container mx-auto max-w-2xl"><div class="flex flex-row justify-center items-center gap-8"><divclass="relative w-64 h-24 rounded-lg overflow-hidden shadow-lg bg-[#6d402a] flex flex-col items-center justify-center"><span class="text-lg text-white mb-2">current time</span><spanclass="text-6xl font-mono font-bold tracking-widest text-[#ffa94d] lcd">{{ time }}</span></div><divclass="relative w-64 h-24 rounded-lg overflow-hidden shadow-lg bg-[#6d402a] flex flex-col items-center justify-center"><span class="text-lg text-white mb-2">callback fired</span><spanclass="text-6xl font-mono font-bold tracking-widest text-[#ffa94d] lcd">{{ count }}</span></div></div></div>
</template>

---

時間線（timeline）

<script setup>
import { onMounted } from "vue";
import anime from "animejs";onMounted(() => {const tl = anime.timeline({ duration: 750 });tl.add({ targets: ".square", translateX: "15rem" }).add({ targets: ".circle", translateX: "15rem" }).add({ targets: ".triangle", translateX: "15rem", rotate: "1turn" });
});
</script><template><div class="flex gap-4 mt-10"><div class="square w-16 h-16 bg-red-400 rounded"></div><div class="circle w-16 h-16 bg-green-400 rounded-full"></div><divclass="triangle"style="width: 0; height: 0; border-left: 32px solid transparent; border-right: 32px solid transparent; border-bottom: 64px solid #60a5fa;"></div></div>
</template>

---

動畫（animate）

<script setup>
import { ref } from "vue";
import anime from "animejs";const boxRef = ref(null);const handleAnimate = () => {anime({targets: boxRef.value,opacity: [0, 1],scale: [0.5, 1.2, 1],rotate: [0, 360],duration: 1200,easing: "easeInOutCubic",});
};
</script><template><div class="mt-10 flex flex-col items-center"><div ref="boxRef" class="w-24 h-24 bg-purple-400 rounded mb-4"></div><button@click="handleAnimate"class="px-4 py-2 bg-purple-600 text-white rounded">動畫</button></div>
</template>

---

拖動（drag）

<script setup>
import { ref, onMounted } from "vue";
import interact from "interactjs";const containerRef = ref(null);
const squareRef = ref(null);onMounted(() => {interact(squareRef.value).draggable({inertia: true,modifiers: [interact.modifiers.restrictRect({restriction: containerRef.value,endOnly: true,}),],listeners: {move(event) {const target = event.target;const x = (parseFloat(target.getAttribute("data-x")) || 0) + event.dx;const y = (parseFloat(target.getAttribute("data-y")) || 0) + event.dy;target.style.transform = `translate(${x}px, ${y}px)`;target.setAttribute("data-x", x);target.setAttribute("data-y", y);},},});
});
</script><template><divref="containerRef"class="mt-10 w-[400px] h-[200px] bg-gray-100 relative flex items-center justify-center"><divref="squareRef"class="square w-16 h-16 bg-yellow-400 rounded absolute top-0 left-0 cursor-move"></div></div>
</template>

---

滾動（scroll）

<script setup>
import { ref, onMounted, onUnmounted } from "vue";
import anime from "animejs";const lastProgress = ref(0);
let ticking = false;const onScroll = () => {if (!ticking) {window.requestAnimationFrame(() => {const scrollY = window.scrollY;const docHeight = document.body.scrollHeight - window.innerHeight;const progress = Math.min(scrollY / docHeight, 1);if (Math.abs(progress - lastProgress.value) > 0.001) {lastProgress.value = progress;// 1. 粉色盒子：分段動畫if (progress < 0.33) {anime({targets: ".scroll-box",translateY: progress * 600,scale: 1 + progress * 1.5,opacity: 1,rotate: 0,background: "#f472b6",duration: 400,easing: "easeOutCubic",});} else if (progress < 0.66) {anime({targets: ".scroll-box",translateY: 200 + (progress - 0.33) * 600,scale: 1.5,opacity: 1 - (progress - 0.33) * 1.5,rotate: (progress - 0.33) * 720,background: "#fbbf24",duration: 400,easing: "easeInOutCubic",});} else {anime({targets: ".scroll-box",translateY: 400 + (progress - 0.66) * 600,scale: 1.5 - (progress - 0.66) * 1.5,opacity: 0.5 - (progress - 0.66) * 1.5,rotate: 360,background: "#34d399",duration: 400,easing: "easeInCubic",});}// 2. 藍色盒子：左右來回移動+彈性anime({targets: ".scroll-box2",translateX: Math.sin(progress * Math.PI * 2) * 300,scale: 1 + Math.abs(Math.cos(progress * Math.PI)),rotate: progress * 360,background: "#60a5fa",duration: 500,easing: "easeOutElastic(1, .5)",});// 3. 進度條anime({targets: ".scroll-progress",scaleX: progress,duration: 200,easing: "linear",});// 4. 文字漸顯anime({targets: ".scroll-text",opacity: progress,translateY: 100 - progress * 100,duration: 400,easing: "easeOutCubic",});}ticking = false;});ticking = true;}
};onMounted(() => {window.addEventListener("scroll", onScroll);
});onUnmounted(() => {window.removeEventListener("scroll", onScroll);
});
</script><template><div class="h-[2500px] relative"><!-- 滾動進度條 --><div class="fixed top-0 left-0 w-full h-2 bg-gray-200 z-50"><divclass="scroll-progress origin-left h-full bg-pink-400 scale-x-0"></div></div><!-- 動畫盒子1 --><divclass="scroll-box w-32 h-32 bg-pink-400 fixed top-20 left-20 rounded-lg shadow-lg"></div><!-- 動畫盒子2 --><divclass="scroll-box2 w-32 h-32 bg-blue-400 fixed top-60 left-60 rounded-lg shadow-lg"></div><!-- 漸顯文字 --><divclass="scroll-text fixed top-[300px] left-1/2 -translate-x-1/2 w-[600px] text-3xl text-gray-700 opacity-0"><p>分段動畫、彈性、漸變、旋轉、縮放、透明度，全部聯動！</p><p class="mt-10 text-xl">繼續滾動，體驗更豐富的滾動動畫效果。</p></div><!-- 內容填充 --><divclass="absolute top-[700px] left-1/2 -translate-x-1/2 w-[600px] text-xl text-gray-700"><p>你可以繼續添加更多動畫元素，或根據滾動區間分段控制動畫效果。</p></div></div>
</template>

---

SVG 動畫效果

<script setup>
import { ref, onMounted } from "vue";
import anime from "animejs";const pathRef = ref(null);onMounted(() => {if (pathRef.value) {const length = pathRef.value.getTotalLength();pathRef.value.style.strokeDasharray = length;pathRef.value.style.strokeDashoffset = length;anime({targets: pathRef.value,strokeDashoffset: [length, 0],duration: 2000,easing: "easeOutCubic",});}
});
</script><template><div class="flex flex-col items-center mt-10"><svg width="320" height="120" viewBox="0 0 320 120"><pathref="pathRef"d="M20,60 Q160,10 300,60 T300,110"stroke="#f472b6"stroke-width="6"fill="none"/></svg><p class="mt-4 text-lg text-gray-700">SVG 路徑描邊動畫</p></div>
</template>

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