sebas-aikon-intelligence/antigravity-awesome-skills
Expert in building 3D experiences for the web - Three.js, React Three Fiber, Spline, WebGL, and interactive 3D scenes.
npx skills add sebas-aikon-intelligence/antigravity-awesome-skills --skill 3d-web-experience
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main
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SKILL.md
5,445 B
SUMMARY.md
320 B
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.
Choosing the right 3D approach
When to use: When starting a 3D web project
## 3D Stack Selection
### Options Comparison
| Tool | Best For | Learning Curve | Control |
|------|----------|----------------|---------|
| Spline | Quick prototypes, designers | Low | Medium |
| React Three Fiber | React apps, complex scenes | Medium | High |
| Three.js vanilla | Max control, non-React | High | Maximum |
| Babylon.js | Games, heavy 3D | High | Maximum |
### Decision TreeNeed 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)import Spline from '@splinetool/react-spline';
export default function Scene() { return ( <Spline scene="https://prod.spline.design/xxx/scene.splinecode"; /> ); }
### React Three Fiberimport { 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> <ambientLight /> <Model /> <OrbitControls /> </Canvas> ); }
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
### GLTF Compressionnpm install -g @gltf-transform/cli
gltf-transform optimize input.glb output.glb \ --compress draco \ --texture-compress webp
### Loading in R3Fimport { 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 ( <Canvas> <Suspense fallback={<Loader />}> <Model /> </Suspense> </Canvas> ); }
3D that responds to scroll
When to use: When integrating 3D with scroll
## Scroll-Driven 3D
### R3F + Scroll Controlsimport { 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 ( <Canvas> <ScrollControls pages={3}> <RotatingModel /> </ScrollControls> </Canvas> ); }
### GSAP + Three.jsimport 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 animationsWhy bad: Slows down the site. Confuses users. Battery drain on mobile. Doesn't help conversion.
Instead: 3D should serve a purpose. Product visualization = good. Random floating shapes = probably not. Ask: would an image work?
Why bad: Most traffic is mobile. Kills battery. Crashes on low-end devices. Frustrated users.
Instead: Test on real mobile devices. Reduce quality on mobile. Provide static fallback. Consider disabling 3D on low-end.
Why bad: Users think it's broken. High bounce rate. 3D takes time to load. Bad first impression.
Instead: Loading progress indicator. Skeleton/placeholder. Load 3D after page is interactive. Optimize model size.
Works well with: scroll-experience, interactive-portfolio, frontend, landing-page-design