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motion-advanced

适用于 React / Next.js 的高级动效模式——拖放、手势、文字动画、SVG 路径绘制、自定义 Hook、命令式序列(useAnimate)、加载器和完整的 API 决策树。需要先安装 motion-foundations。在构建 React 或 Next.js 中的拖放、手势、文字或 SVG 动画、或命令式动画序列时使用。

motion-advanced 是什么?

Motion Advanced 是运动基础系列中的高级动效技能,专门为 React 和 Next.js 开发者打造,用于实现复杂、交互性强且基于物理的动画模式。它提供了丰富的 API 和组件,涵盖拖放交互(如可拖拽卡片、拖拽关闭面板、可排序列表)、手势检测(滑动、长按、轮廓缩放)、文字逐词/逐字符揭示、数字计数器、SVG 路径绘制与变形、自定义动画 Hook(如 useScrollReveal、CursorFollower)、命令式动画序列(useAnimate)、以及各种加载器(微光骨架、脉冲点、按钮加载状态)。核心原则强调基于物理的动效(useSpring、springs.*)比基于持续时间的动效更自然,使用 useMotionValue + useTransform 避免不必要的重渲染,并且所有无限动画在标签页隐藏时必须暂停以节省性能。该技能附带了详细的决策指南和 API 对比表,帮助开发者在不同场景下选择最合适的 API,并提供了大量可直接使用的代码示例。

兼容平台~Claude Code~Codex CLI✓Cursor
npx skills add https://github.com/affaan-m/ECC/tree/main/skills/motion-advanced

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文档

Motion Advanced

复杂、交互式和基于物理的动画模式。 需要先安装 motion-foundations。 当 motion-patterns 不足以满足需求时使用。

何时激活

  • 构建拖拽关闭面板、滑动手势或可排序列表
  • 逐词、逐字符地动画文字,或实现实时计数器
  • 绘制 SVG 路径、变形图标或动画环形进度
  • 编写自定义动画 Hook(useScrollReveal、磁性按钮、光标跟随)
  • 使用 useAnimate 命令式地编排多步骤动画序列
  • 构建旋转器、微光骨架、脉冲指示器或按钮加载状态

输出

此技能生成:

  • 拖拽交互:可拖拽卡片、拖拽关闭面板、Reorder.Group 列表
  • 手势 Hook:滑动检测、长按、轮廓缩放
  • 文字动画组件:文字逐词揭示、打字机效果、数字计数器
  • SVG 动画:路径绘制、图标变形、描边进度环
  • 自定义 Hook:useScrollReveal、useHoverScale、useNavigationDirection、useInViewOnce
  • 使用 useAnimate 的带中断安全的命令式序列 (async/await)
  • 加载器组件:旋转器、微光、脉冲点、进度条、按钮加载状态

原则

  • 基于物理的动效(useSpring, springs.*)在直接操作中总是比基于持续时间的动效更自然。
  • useMotionValue + useTransform 计算派生值而不触发重新渲染。
  • useAnimate 序列是命令式的且中断安全的——在动画执行中调用 animate() 会自动取消前一个动画。
  • 运动值(useMotionValue, useSpring)是 SSR 安全的,不会导致水合错误。

规则

  1. 拖拽交互必须在触摸设备上测试,而不仅仅是鼠标。drag 属性在两者上均有效,但手感与阈值不同。
  2. 无限动画必须在 document.visibilityState === "hidden" 时暂停。 后台标签页不得消耗 GPU/CPU。
  3. 滑动阈值必须明确指定。 不要仅凭速度推断意图;结合 offset + velocity 检查。
  4. useAnimate 的作用域 ref 必须附加到一个已挂载的 DOM 元素上。 在挂载前调用 animate() 会静默失败。
  5. 运动值不得在渲染时重新创建。 在组件体内使用 useMotionValue(0) 是正确的;在渲染中使用 new MotionValue(0) 是错误的。
  6. 所有令牌值都从 motion-foundations 导入。 不得使用内联数字。
  7. 自定义 Hook 必须处理清理工作。 每个 window.addEventListener 都需要在 useEffect 返回中有一个对应的 removeEventListener。
  8. SVG 变形要求路径命令数量相等。 具有不同命令结构的路径会直接跳变而非进行插值。

决策指南

选择正确的高级 API

场景API
释放时带物理效果的拖拽drag + dragTransition: springs.release
有序的拖拽重排列表Reorder.Group + Reorder.Item
通过拖拽偏移量关闭drag="y" + onDragEnd 偏移量检查
向左/向右滑动drag="x" + onDragEnd 偏移量检查
长按useLongPress Hook
随时间平滑的值useSpring
从另一个值派生的值useTransform
多步骤序列useAnimate 配合 async/await
一次性命令式动画来自 motion 的 animate()
逐词进入的文字在 inline-block 跨度上错开
SVG 绘制pathLength 从 0 到 1
SVG 变形d 属性补间(命令数量相等)
环形进度strokeDashoffset 补间

何时使用 useSpring 与 spring 过渡

useSpringtransition: springs.*
用途光标跟随、指针跟踪值离散状态变化
更新方式连续,每帧更新由状态变化触发
中断行为平滑——物理引擎从当前速度接续从当前值重新开始

核心概念

useMotionValue + useTransform

无需重新渲染的响应式计算:

const x = useMotionValue(0)
const opacity = useTransform(x, [-200, 0, 200], [0, 1, 0])
// opacity 随 x 变化每帧更新——无需 setState,无需重渲染

useAnimate

返回 [scope, animate]。作用域 ref 必须附加到一个 DOM 元素上。 animate() 调用是中断安全的——在动画执行中调用会取消上一次运行。

const [scope, animate] = useAnimate()

async function play() {
  await animate(".step-1", { opacity: 1 }, { duration: 0.3 })
  await animate(".step-2", { x: 0 },       { duration: 0.4 })
        animate(".step-3", { scale: 1 },    { duration: 0.25 })  // 触发后不等待
}

return <div ref={scope}>...</div>

代码示例

可拖拽卡片

"use client"
import { motion } from "motion/react"
import { springs, motionTokens } from "@/lib/motion-tokens"

<motion.div
  drag
  dragConstraints={{ left: -100, right: 100, top: -100, bottom: 100 }}
  dragElastic={0.1}
  whileDrag={{
    scale: motionTokens.scale.pop,
    boxShadow: "0 16px 40px rgba(0,0,0,0.2)",
  }}
  dragTransition={springs.release}
/>

拖拽关闭面板

"use client"
import { motion, useMotionValue, useTransform } from "motion/react"

export function BottomSheet({ onClose }: { onClose: () => void }) {
  const y = useMotionValue(0)
  const opacity = useTransform(y, [0, 200], [1, 0])

  return (
    <motion.div
      drag="y"
      dragConstraints={{ top: 0 }}
      style={{ y, opacity }}
      onDragEnd={(_, info) => {
        // 规则 3:结合偏移量 + 速度
        if (info.offset.y > 120 || info.velocity.y > 500) onClose()
      }}
    />
  )
}

可排序列表

"use client"
import { Reorder } from "motion/react"

export function SortableList() {
  const [items, setItems] = useState(initialItems)
  return (
    <Reorder.Group axis="y" values={items} onReorder={setItems}>
      {items.map((item) => (
        <Reorder.Item key={item.id} value={item}>
          {item.label}
        </Reorder.Item>
      ))}
    </Reorder.Group>
  )
}

滑动检测

"use client"
import { motion } from "motion/react"

const OFFSET_THRESHOLD  = 50
const VELOCITY_THRESHOLD = 300

<motion.div
  drag="x"
  dragConstraints={{ left: 0, right: 0 }}
  onDragEnd={(_, info) => {
    const swipedRight = info.offset.x > OFFSET_THRESHOLD  || info.velocity.x > VELOCITY_THRESHOLD
    const swipedLeft  = info.offset.x < -OFFSET_THRESHOLD || info.velocity.x < -VELOCITY_THRESHOLD
    if (swipedRight) onSwipeRight()
    if (swipedLeft)  onSwipeLeft()
  }}
/>

长按 Hook

import { useRef } from "react"

export function useLongPress(callback: () => void, ms = 600) {
  const timerRef = useRef<ReturnType<typeof setTimeout>>()
  return {
    onPointerDown:  () => { timerRef.current = setTimeout(callback, ms) },
    onPointerUp:    () => clearTimeout(timerRef.current),
    onPointerLeave: () => clearTimeout(timerRef.current),
  }
}

逐词揭示

"use client"
import { motion } from "motion/react"
import { springs } from "@/lib/motion-tokens"

export function AnimatedText({ text }: { text: string }) {
  return (
    <motion.p
      variants={{ visible: { transition: { staggerChildren: 0.05 } } }}
      initial="hidden"
      animate="visible"
    >
      {text.split(" ").map((word, i) => (
        <motion.span
          key={i}
          className="inline-block mr-1"
          variants={{
            hidden:  { opacity: 0, y: 12 },
            visible: { opacity: 1, y: 0, transition: springs.gentle },
          }}
        >
          {word}
        </motion.span>
      ))}
    </motion.p>
  )
}

数字计数器

"use client"
import { useRef, useEffect } from "react"
import { animate } from "motion"
import { motionTokens } from "@/lib/motion-tokens"

export function Counter({ to }: { to: number }) {
  const nodeRef = useRef<HTMLSpanElement>(null)

  useEffect(() => {
    const controls = animate(0, to, {
      duration: motionTokens.duration.crawl,
      ease: motionTokens.easing.smooth,
      onUpdate: (v) => {
        if (nodeRef.current) nodeRef.current.textContent = Math.round(v).toString()
      },
    })
    return controls.stop   // 规则 7:清理
  }, [to])

  return <span ref={nodeRef} />
}

SVG 路径绘制

"use client"
import { motion } from "motion/react"
import { motionTokens } from "@/lib/motion-tokens"

<motion.path
  d="M 0 100 Q 50 0 100 100"
  initial={{ pathLength: 0, opacity: 0 }}
  animate={{ pathLength: 1, opacity: 1 }}
  transition={{ duration: motionTokens.duration.slow, ease: motionTokens.easing.smooth }}
/>

描边进度环

"use client"
import { motion } from "motion/react"
import { motionTokens } from "@/lib/motion-tokens"

const CIRCUMFERENCE = 2 * Math.PI * 40   // r=40

export function ProgressRing({ progress }: { progress: number }) {
  return (
    <svg width="100" height="100" viewBox="0 0 100 100">
      <circle cx="50" cy="50" r="40" fill="none" stroke="#e5e7eb" strokeWidth="8" />
      <motion.circle
        cx="50" cy="50" r="40"
        fill="none" stroke="#6366f1" strokeWidth="8"
        strokeLinecap="round"
        strokeDasharray={CIRCUMFERENCE}
        animate={{ strokeDashoffset: CIRCUMFERENCE - (progress / 100) * CIRCUMFERENCE }}
        transition={{ duration: motionTokens.duration.normal, ease: motionTokens.easing.smooth }}
        style={{ rotate: -90, transformOrigin: "center" }}
      />
    </svg>
  )
}

useScrollReveal Hook

"use client"
import { useRef } from "react"
import { useScroll, useTransform } from "motion/react"
import { motionTokens } from "@/lib/motion-tokens"

export function useScrollReveal() {
  const ref = useRef(null)
  const { scrollYProgress } = useScroll({ target: ref, offset: ["start end", "end start"] })
  const opacity = useTransform(scrollYProgress, [0, 0.3], [0, 1])
  const y       = useTransform(scrollYProgress, [0, 0.3], [motionTokens.distance.lg, 0])
  return { ref, style: { opacity, y } }
}

// 用法
const { ref, style } = useScrollReveal()
<motion.section ref={ref} style={style} />

光标跟随

"use client"
import { useEffect } from "react"
import { motion, useMotionValue, useSpring } from "motion/react"
import { springs } from "@/lib/motion-tokens"

export function CursorFollower() {
  const x = useMotionValue(-100)
  const y = useMotionValue(-100)
  const sx = useSpring(x, springs.gentle)
  const sy = useSpring(y, springs.gentle)

  useEffect(() => {
    const move = (e: MouseEvent) => { x.set(e.clientX); y.set(e.clientY) }
    window.addEventListener("mousemove", move)
    return () => window.removeEventListener("mousemove", move)   // 规则 7
  }, [])

  return (
    <motion.div
      className="fixed top-0 left-0 w-6 h-6 rounded-full bg-indigo-500
                 pointer-events-none -translate-x-1/2 -translate-y-1/2 z-50"
      style={{ x: sx, y: sy }}
    />
  )
}

微光骨架

"use client"
import { useEffect } from "react"
import { motion, useAnimation } from "motion/react"
import { motionTokens } from "@/lib/motion-tokens"

export function ShimmerSkeleton({ className = "" }: { className?: string }) {
  const controls = useAnimation()

  useEffect(() => {
    const play = () =>
      controls.start({
        x: ["-100%", "100%"],
        transition: {
          repeat: Infinity,
          duration: motionTokens.duration.crawl,
          ease: motionTokens.easing.linear,
        },
      })

    const handleVisibility = () => {
      if (document.visibilityState === "hidden") controls.stop()
      else void play()
    }

    void play()
    document.addEventListener("visibilitychange", handleVisibility)
    return () => {
      controls.stop()
      document.removeEventListener("visibilitychange", handleVisibility)
    }
  }, [controls])

  return (
    <div className={`relative overflow-hidden bg-gray-200 rounded ${className}`}>
      <motion.div
        className="absolute inset-0 bg-gradient-to-r from-transparent via-white/60 to-transparent"
        initial={{ x: "-100%" }}
        animate={controls}
      />
    </div>
  )
}

按钮加载状态

"use client"
import { motion, AnimatePresence } from "motion/react"
import { motionTokens, springs } from "@/lib/motion-tokens"

export function LoadingButton({
  loading,
  label,
  onClick,
}: {
  loading: boolean
  label: string
  onClick: () => void
}) {
  return (
    <motion.button
      onClick={onClick}
      animate={{ opacity: loading ? 0.7 : 1 }}
      whileTap={loading ? {} : { scale: motionTokens.scale.press }}
      transition={springs.snappy}
      disabled={loading}
    >
      <AnimatePresence mode="wait">
        {loading ? (
          <motion.span
            key="loading"
            initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
            transition={{ duration: motionTokens.duration.fast }}
          >
            …
          </motion.span>
        ) : (
          <motion.span
            key="label"
            initial={{ opacity: 0 }} animate={{ opacity: 1 }} exit={{ opacity: 0 }}
            transition={{ duration: motionTokens.duration.fast }}
          >
            {label}
          </motion.span>
        )}
      </AnimatePresence>
    </motion.button>
  )
}

带可见性暂停的无限动画

"use client"
import { useEffect } from "react"
import { motion, useAnimation } from "motion/react"
import { motionTokens } from "@/lib/motion-tokens"

export function PulseDot() {
  const controls = useAnimation()

  useEffect(() => {
    const pulse = () =>
      controls.start({
        scale: [1, 1.4, 1],
        opacity: [1, 0.6, 1],
        transition: { repeat: Infinity, duration: motionTokens.duration.crawl },
      })

    // 规则 2:标签页隐藏时暂停
    const handleVisibility = () => {
      if (document.visibilityState === "hidden") {
        controls.stop()
      } else {
        void pulse()
      }
    }

    void pulse()
    document.addEventListener("visibilitychange", handleVisibility)
    return () => {
      controls.stop()
      document.removeEventListener("visibilitychange", handleVisibility)
    }
  }, [controls])

  return <motion.div animate={controls} className="w-3 h-3 rounded-full bg-indigo-500" />
}

Individual skills in this repo

This repo contains 20 individual skills — each has its own dedicated page.

accessibility

Design, implement, and audit inclusive digital products using WCAG 2.2 Level AA. Use when building or auditing UI that must meet WCAG 2.2 Level AA, or when reviewing a change for keyboard, contrast, or screen-reader support.

affaan-m/content-engine

Create platform-native content systems for X, LinkedIn, TikTok, YouTube, newsletters, and repurposed multi-platform campaigns. Use when the user wants social posts, threads, scripts, content calendars, or one source asset adapted cleanly across platforms.

affaan-m/ECC

Multi-platform content distribution across X, LinkedIn, Threads, and Bluesky. Adapts content per platform using content-engine patterns. Never posts identical content cross-platform. Use when the user wants to distribute content across social platforms.

affaan-m/fal-ai-media

Unified media generation via fal.ai MCP — image, video, and audio. Covers text-to-image (Nano Banana), text/image-to-video (Seedance, Kling, Veo 3), text-to-speech (CSM-1B), and video-to-audio (ThinkSound). Use when the user wants to generate images, videos, or audio with AI.

affaan-m/manim-video

日本語翻訳:このファイルは manim-video 用の日本語翻訳が必要です

affaan-m/remotion-video-creation

Remotion のベストプラクティス - React で動画を作成する。3D、アニメーション、音声、字幕、チャート、トランジションなどをカバーするドメイン固有の29のルール。

affaan-m/video-editing

AI-assisted video editing workflows for cutting, structuring, and augmenting real footage. Covers the full pipeline from raw capture through FFmpeg, Remotion, ElevenLabs, fal.ai, and final polish in Descript or CapCut. Use when the user wants to edit video, cut footage, create vlogs, or build video content.

agent-architecture-audit

Full-stack diagnostic for agent and LLM applications. Audits the 12-layer agent stack for wrapper regression, memory pollution, tool discipline failures, hidden repair loops, and rendering corruption. Produces severity-ranked findings with code-first fixes. Essential for developers building agent applications, autonomous loops, or any LLM-powered feature. Use when an agent or LLM feature misbehaves and the failing layer is unknown, or before shipping an agent stack.

agent-eval

Head-to-head comparison of coding agents (Claude Code, Aider, Codex, etc.) on custom tasks with pass rate, cost, time, and consistency metrics. Use when choosing between coding agents, or when a change to an agent setup needs measured pass rate, cost, and time rather than an impression.

agent-harness-construction

Design and optimize AI agent action spaces, tool definitions, and observation formatting for higher completion rates. Use when defining or revising an agent

agentic-engineering

Operate as an agentic engineer using eval-first execution, decomposition, and cost-aware model routing. Use when planning or executing engineering work that agents will carry out end to end.

agentic-os

Build persistent multi-agent operating systems on Claude Code. Covers kernel architecture, specialist agents, slash commands, file-based memory, scheduled automation, and state management without external databases. Use when building a persistent multi-agent system on Claude Code with its own memory, commands, and scheduling.

agent-introspection-debugging

Structured self-debugging workflow for AI agent failures using capture, diagnosis, contained recovery, and introspection reports. Use when an agent run fails and you need a reproducible diagnosis instead of a retry.

agent-payment-x402

Add x402 payment execution to AI agents with per-task budgets, spending controls, and non-custodial wallets. Supports Base through agentwallet-sdk and X Layer through OKX Payments / OKX Agent Payments Protocol. Use when an agent must pay for something itself and needs per-task budgets, spending controls, and a non-custodial wallet.

agent-self-evaluation

Use after completing any non-trivial task. The agent self-rates its output on 5 axes — accuracy, completeness, clarity, actionability, conciseness — with concrete evidence per criterion. Produces a structured 1-5 scorecard with specific improvement suggestions.

agent-sort

Build an evidence-backed ECC install plan for a specific repo by sorting skills, commands, rules, hooks, and extras into DAILY vs LIBRARY buckets using parallel repo-aware review passes. Use when ECC should be trimmed to what a project actually needs instead of loading the full bundle.

ai-first-engineering

Engineering operating model for teams where AI agents generate a large share of implementation output. Use when setting team process, review gates, or ownership rules for a codebase largely written by agents.

ai-regression-testing

Regression testing strategies for AI-assisted development. Sandbox-mode API testing without database dependencies, automated bug-check workflows, and patterns to catch AI blind spots where the same model writes and reviews code. Use when adding regression coverage to AI-assisted code, or when the same model both wrote and reviewed a change.

android-clean-architecture

Clean Architecture patterns for Android and Kotlin Multiplatform projects — module structure, dependency rules, UseCases, Repositories, and data layer patterns. Use when structuring modules, layers, or data flow in an Android or KMP project.

angular-developer

Generates Angular code and provides architectural guidance. Trigger when creating projects, components, or services, or for best practices on reactivity (signals, linkedSignal, resource), forms, dependency injection, routing, SSR, accessibility (ARIA), animations, styling (component styles, Tailwind CSS), testing, or CLI tooling.

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