Main pages
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// app/projects/design/page.tsx
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'use client';
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import { Center, Environment, Loader, OrbitControls, useGLTF } from '@react-three/drei';
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import { Canvas, useThree } from '@react-three/fiber';
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import { Suspense, useEffect, useState, useTransition } from 'react';
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import { TbCube3dSphere } from 'react-icons/tb';
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import * as THREE from 'three';
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const models = [
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{ name: 'Wallet', src: 'Wallet' },
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{ name: 'Car', src: 'Car' },
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{ name: 'Magnet holder', src: 'Magnet holder' },
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{ name: 'PC', src: 'PC' },
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];
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function Model({ url, onReady }: { url: string; onReady: () => void }) {
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const { scene } = useGLTF(url);
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useEffect(() => {
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if (scene) {
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const timer = setTimeout(onReady, 100);
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return () => clearTimeout(timer);
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}
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}, [scene, onReady]);
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return <primitive object={scene} />;
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}
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function DynamicCamera({ radius }: { radius: number }) {
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const { camera } = useThree();
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useEffect(() => {
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camera.position.set(0, radius * 0.5, radius * 2.5);
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camera.lookAt(0, 0, 0);
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camera.updateProjectionMatrix();
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}, [radius, camera]);
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return null;
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}
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export default function DesignPage() {
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const [activeModel, setActiveModel] = useState(models[0].src);
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const [modelRadius, setModelRadius] = useState(1);
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const [isPending, startTransition] = useTransition();
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const [isSceneReady, setIsSceneReady] = useState(false);
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const [isCentering, setIsCentering] = useState(true);
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const handleModelChange = (newModel: string) => {
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if (newModel === activeModel) return;
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setIsCentering(true);
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setIsSceneReady(false);
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startTransition(() => {
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setActiveModel(newModel);
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});
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};
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const showOverlay = isPending || !isSceneReady;
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return (
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<main className="flex flex-col flex-1 relative bg-[#0d1117] overflow-hidden">
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<div className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 w-200 h-200 bg-[#84c0a0]/10 blur-[150px] rounded-full pointer-events-none z-0"></div>
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<div className="h-25 shrink-0"></div>
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<div className="relative z-10 w-full max-w-350 mx-auto px-4 pb-20 flex flex-col gap-10">
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<div className="pt-5 flex justify-center items-center flex-col text-center">
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<TbCube3dSphere className="text-white text-[80px] drop-shadow-[0_0_15px_rgba(255,255,255,0.2)]" />
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<h2 className="text-white text-[32px] md:text-[45px] uppercase mt-3.75 font-bold tracking-wider">CAD Library</h2>
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</div>
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<section className="w-full flex justify-center">
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<div className="w-full relative bg-white/5 backdrop-blur-xl rounded-4xl border border-white/10 shadow-[0_8px_32px_rgba(0,0,0,0.5)] p-4 md:p-8 flex flex-col">
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<div className="w-full h-[50vh] md:h-[65vh] rounded-[20px] overflow-hidden relative bg-linear-to-br from-[#1a1a1a] to-[#0f0f0f] shadow-inner border border-white/5 cursor-grab active:cursor-grabbing">
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{showOverlay && (
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<div className="absolute inset-0 z-20 flex flex-col items-center justify-center bg-[#0d1117]/80 backdrop-blur-md transition-all duration-500">
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<div className="w-12 h-12 border-4 border-[#84c0a0]/20 border-t-[#84c0a0] rounded-full animate-spin mb-4"></div>
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<p className="text-[#84c0a0] font-mono text-xs uppercase tracking-[0.2em] font-bold">
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{isPending ? "Fetching Data..." : "Compiling Materials..."}
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</p>
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</div>
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)}
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<Canvas shadows={{ type: THREE.PCFShadowMap }} dpr={[1, 2]} camera={{ near: 0.001, far: 1000, fov: 50 }}>
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<ambientLight intensity={0.5} />
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<directionalLight position={[10, 10, 10]} intensity={1} castShadow />
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<Environment preset="city" />
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<DynamicCamera radius={modelRadius} />
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<Suspense fallback={null}>
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<Center
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key={activeModel}
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onCentered={({ boundingSphere }) => {
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setModelRadius(boundingSphere.radius);
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requestAnimationFrame(() => setIsCentering(false));
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}}
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>
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<group visible={!isCentering && isSceneReady}>
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<Model
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url={`/models/${activeModel}.glb`}
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onReady={() => setIsSceneReady(true)}
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/>
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</group>
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</Center>
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</Suspense>
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<OrbitControls
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makeDefault
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autoRotate
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autoRotateSpeed={0.5}
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enablePan={true}
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enableZoom={true}
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minDistance={modelRadius * 0.5}
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maxDistance={modelRadius * 6}
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/>
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</Canvas>
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<Loader
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containerStyles={{ background: 'transparent' }}
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innerStyles={{ display: 'none' }}
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/>
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<a href={`/models/${activeModel}.usdz`} rel="ar" className="absolute top-4 right-4 bg-black/50 backdrop-blur-md text-white text-sm px-4 py-2 rounded-full border border-white/10 hover:bg-white/20 transition-colors md:hidden z-10 flex items-center gap-2">
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<img src={`/models/${activeModel}.png`} alt="AR Preview" className="w-5 h-5 rounded-full object-cover" />
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View in AR
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</a>
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</div>
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<div className="w-full mt-8 flex justify-center">
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<div className="flex flex-wrap justify-center gap-4 md:gap-8 w-full px-2">
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{models.map((model) => (
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<button
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key={model.name}
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className={`shrink-0 w-20 h-20 md:w-25 md:h-25 bg-contain bg-no-repeat bg-center rounded-2xl transition-all duration-300 focus:outline-none focus-visible:ring-2 focus-visible:ring-[#84c0a0] relative group ${activeModel === model.src
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? 'bg-[#2a2a2a] border-2 border-[#84c0a0] scale-110 shadow-[0_0_20px_rgba(132,192,160,0.3)]'
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: 'bg-[#1a1a1a] border border-white/10 hover:bg-[#252525] hover:-translate-y-1'
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}`}
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style={{ backgroundImage: `url('/models/${model.src}.png')` }}
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onClick={() => handleModelChange(model.src)}
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onMouseEnter={() => useGLTF.preload(`/models/${model.src}.glb`)}
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aria-label={`View ${model.name} model`}
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>
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<span className="absolute -bottom-8 left-1/2 -translate-x-1/2 text-xs font-semibold text-white opacity-0 group-hover:opacity-100 transition-opacity whitespace-nowrap bg-black/80 px-2 py-1 rounded">
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{model.name}
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</span>
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</button>
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))}
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</div>
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</div>
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</div>
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</section>
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</div>
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</main>
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);
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}
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