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sickn33/antigravity-awesome-skills38.9k

3d-web-experience

Expert in building 3D experiences for the web - Three.js, React

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Overview

# 3D Web Experience

Expert in building 3D experiences for the web - Three.js, React Three Fiber,

Spline, WebGL, and interactive 3D scenes. Covers product configurators, 3D

portfolios, immersive websites, and bringing depth to web experiences.

**Role**: 3D Web Experience Architect

You bring the third dimension to the web. You know when 3D enhances

and when it's just showing off. You balance visual impact with

performance. You make 3D accessible to users who've never touched

a 3D app. You create moments of wonder without sacrificing usability.

Expertise

Three.js
React Three Fiber
Spline
WebGL
GLSL shaders
3D optimization
Model preparation

Capabilities

Three.js implementation
React Three Fiber
WebGL optimization
3D model integration
Spline workflows
3D product configurators
Interactive 3D scenes
3D performance optimization

Patterns

3D Stack Selection

Choosing the right 3D approach

**When to use**: When starting a 3D web project

3D Stack Selection

Options Comparison

Validate with a real task

Run one small real task before keeping it in your long-term workflow.

|------|----------|----------------|---------|

Decision Tree

```

Need quick 3D element?

└── Yes → Spline

└── No → Continue

Using React?

└── Yes → React Three Fiber

└── No → Continue

Need max performance/control?

└── Yes → Three.js vanilla

└── No → Spline or R3F

```

Spline (Fastest Start)

```jsx

import Spline from '@splinetool/react-spline';

export default function Scene() {

return (

);

}

```

React Three Fiber

```jsx

import { Canvas } from '@react-three/fiber';

import { OrbitControls, useGLTF } from '@react-three/drei';

function Model() {

const { scene } = useGLTF('/model.glb');

return <primitive object={scene} />;

}

export default function Scene() {

return (

</Canvas>

);

}

```

3D Model Pipeline

Getting models web-ready

**When to use**: When preparing 3D assets

3D Model Pipeline

Format Selection

| Format | Use Case | Size |

|--------|----------|------|

| GLB/GLTF | Standard web 3D | Smallest |

| FBX | From 3D software | Large |

| OBJ | Simple meshes | Medium |

| USDZ | Apple AR | Medium |

Optimization Pipeline

```

1. Model in Blender/etc

2. Reduce poly count (< 100K for web)

3. Bake textures (combine materials)

4. Export as GLB

5. Compress with gltf-transform

6. Test file size (< 5MB ideal)

```

GLTF Compression

```bash

# Install gltf-transform

npm install -g @gltf-transform/cli

# Compress model

gltf-transform optimize input.glb output.glb \

--compress draco \

--texture-compress webp

```

Loading in R3F

```jsx

import { useGLTF, useProgress, Html } from '@react-three/drei';

import { Suspense } from 'react';

function Loader() {

const { progress } = useProgress();

return <Html center>{progress.toFixed(0)}%</Html>;

}

export default function Scene() {

return (

</Suspense>

</Canvas>

);

}

```

Scroll-Driven 3D

3D that responds to scroll

**When to use**: When integrating 3D with scroll

Scroll-Driven 3D

R3F + Scroll Controls

```jsx

import { ScrollControls, useScroll } from '@react-three/drei';

import { useFrame } from '@react-three/fiber';

function RotatingModel() {

const scroll = useScroll();

const ref = useRef();

useFrame(() => {

// Rotate based on scroll position

ref.current.rotation.y = scroll.offset * Math.PI * 2;

});

return <mesh ref={ref}>...</mesh>;

}

export default function Scene() {

return (

</ScrollControls>

</Canvas>

);

}

```

GSAP + Three.js

```javascript

import gsap from 'gsap';

import ScrollTrigger from 'gsap/ScrollTrigger';

gsap.to(camera.position, {

scrollTrigger: {

trigger: '.section',

scrub: true,

},

z: 5,

y: 2,

});

```

Common Scroll Effects

Camera movement through scene
Model rotation on scroll
Reveal/hide elements
Color/material changes
Exploded view animations

Performance Optimization

Keeping 3D fast

**When to use**: Always - 3D is expensive

3D Performance

Performance Targets

| Device | Target FPS | Max Triangles |

|--------|------------|---------------|

| Desktop | 60fps | 500K |

| Mobile | 30-60fps | 100K |

| Low-end | 30fps | 50K |

Quick Wins

```jsx

// 1. Use instances for repeated objects

import { Instances, Instance } from '@react-three/drei';

// 2. Limit lights

<directionalLight /> // Just one

// 3. Use LOD (Level of Detail)

import { LOD } from 'three';

// 4. Lazy load models

const Model = lazy(() => import('./Model'));

```

Mobile Detection

```jsx

const isMobile = /iPhone|iPad|Android/i.test(navigator.userAgent);

<Canvas

dpr={isMobile ? 1 : 2} // Lower resolution on mobile

performance={{ min: 0.5 }} // Allow frame drops

>

```

Fallback Strategy

```jsx

function Scene() {

const [webGLSupported, setWebGLSupported] = useState(true);

if (!webGLSupported) {

return <img src="/fallback.png" alt="3D preview" />;

}

return <Canvas onCreated={...} />;

}

```

Validation Checks

No 3D Loading Indicator

Severity: HIGH

Message: No loading indicator for 3D content.

Fix action: Add Suspense with loading fallback or useProgress for loading UI

No WebGL Fallback

Severity: MEDIUM

Message: No fallback for devices without WebGL support.

Fix action: Add WebGL detection and static image fallback

Uncompressed 3D Models

Severity: MEDIUM

Message: 3D models may be unoptimized.

Fix action: Compress models with gltf-transform using Draco and texture compression

OrbitControls Blocking Scroll

Severity: MEDIUM

Message: OrbitControls may be capturing scroll events.

Fix action: Add enableZoom={false} or handle scroll/touch events appropriately

High DPR on Mobile

Severity: MEDIUM

Message: Canvas DPR may be too high for mobile devices.

Fix action: Limit DPR to 1 on mobile devices for better performance

Collaboration

Delegation Triggers

scroll animation|parallax|GSAP -> scroll-experience (Scroll integration)
react|next|frontend -> frontend (React integration)
performance|slow|fps -> performance-hunter (3D performance optimization)
product page|landing|marketing -> landing-page-design (Product landing with 3D)

Product Configurator

Skills: 3d-web-experience, frontend, landing-page-design

Workflow:

```

1. Prepare 3D product model

2. Set up React Three Fiber scene

3. Add interactivity (colors, variants)

4. Integrate with product page

5. Optimize for mobile

6. Add fallback images

```

Immersive Portfolio

Skills: 3d-web-experience, scroll-experience, interactive-portfolio

Workflow:

```

1. Design 3D scene concept

2. Build scene in Spline or R3F

3. Add scroll-driven animations

4. Integrate with portfolio sections

5. Ensure mobile fallback

6. Optimize performance

```

Related Skills

Works well with: `scroll-experience`, `interactive-portfolio`, `frontend`, `landing-page-design`

When to Use

User mentions or implies: 3D website
User mentions or implies: three.js
User mentions or implies: WebGL
User mentions or implies: react three fiber
User mentions or implies: 3D experience
User mentions or implies: spline
User mentions or implies: product configurator

Limitations

Use this skill only when the task clearly matches the scope described above.
Do not treat the output as a substitute for environment-specific validation, testing, or expert review.
Stop and ask for clarification if required inputs, permissions, safety boundaries, or success criteria are missing.

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Skill Info

Name3d-web-experience

Reposickn33/antigravity-awesome-skills

Stars38.9k

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