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Motion Scroll Tracing Beam

Svg line that traces along an article as you scroll.

Full screen Try a theme

Choose the primitives library your project already uses. Both look the same: your theme, not the variant, controls colors, shape, type and motion.

About this motion

What it's for

  • Svg line that traces along an article as you scroll.
  • Tracing beam reading progress along the side of a blog post.
  • Scroll progress timeline with nodes for each section heading.

For A thin top-of-page bar is enough, use Motion Scroll Progress.

Includes

  • Svg tracing beam
  • Scroll progress head
  • Fading tail gradient
  • Heading nodes
  • Nodes light up
  • Spring smoothing
  • Any article content
  • Resize aware

Works with

  • Radix UI and Base UI primitives (pick the one your project uses)
  • React 19 and Tailwind CSS 4 in Next.js (App Router), Vite, React Router or TanStack Start, installed with the agentic-ui or shadcn CLI
  • Your theme tokens, in light and dark mode

Install

Included with Agentic UI Kit (one-time license). Install needs your license key: see pricing · connect your project.

Agentic UI CLI
agentic-ui add motion-scroll-tracing-beam
Installs through shadcn and adapts the component to your design tokens.
shadcn CLI
npx shadcn@4.17.0 add @agentic-ui/motion-scroll-tracing-beam

Used in

A standalone component: drop it into any screen.

Type
Motion
Variants
Radix UI and Base UI
Themes
Light and dark
Widths
Preview it at desktop, tablet and mobile widths above.
Motion
Animated, with a reduced-motion fallback