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feat: added object duplication and group duplication in vanilla for task3

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anshk 2026-03-30 19:50:26 +05:30
parent 9d6c9a8c59
commit 8a9d1e83e6
12 changed files with 337 additions and 5 deletions
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15
Week-1/Task-3/r3f/index.html Normal file
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<!doctype html>
<html lang="en">
<head>
<meta charset="UTF-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Task 3 R3F - Cube Clone</title>
</head>
<body>
<div id="root"></div>
<script type="module" src="/src/main.jsx"></script>
</body>
</html>

18
Week-1/Task-3/r3f/package.json
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"name": "week-1-task-3-r3f",
"private": true,
"version": "0.0.0",
"type": "module",
"packageManager": "yarn@1.22.22",
"scripts": {
"dev": "echo 'Add your React Three Fiber dev script here'",
"build": "echo 'Add your React Three Fiber build script here'",
"lint": "echo 'Add your lint script here'",
"dev": "vite",
"build": "vite build",
"lint": "echo 'Lint not configured yet'",
"preview": "vite preview",
"clean": "rm -rf dist build .next"
},
"dependencies": {
"@react-three/fiber": "^9.5.0",
"react": "^19.2.4",
"react-dom": "^19.2.4",
"three": "^0.183.2"
},
"devDependencies": {
"@vitejs/plugin-react": "^6.0.0",
"vite": "^8.0.3"
}
}

16
Week-1/Task-3/r3f/src/App.jsx Normal file
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import { Canvas } from '@react-three/fiber'
import CubePair from './CubeDuplicate'
import GroupedStructure from './Group'
export default function App() {
return (
<Canvas camera={{ fov: 60, near: 0.1, far: 100, position: [0, 0, 6] }}>
<color attach="background" args={['#101418']} />
<ambientLight intensity={0.6} />
<directionalLight intensity={1.1} position={[4, 6, 5]} />
{/* <CubePair /> */}
<GroupedStructure position={[-1.4, 0, 0]} direction={1}/>
<GroupedStructure position={[ 1.4, 0, 0]} direction={1}/>
</Canvas>
)
}

47
Week-1/Task-3/r3f/src/CubeDuplicate.jsx Normal file
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import { useFrame } from '@react-three/fiber'
import { useEffect, useMemo, useRef } from 'react'
import * as THREE from 'three'
function CubePair() {
const leftCubeRef = useRef()
const rightCubeRef = useRef()
const sharedGeometry = useMemo(() => new THREE.BoxGeometry(1, 1, 1), [])
const sharedMaterial = useMemo(() => new THREE.MeshStandardMaterial({ color: '#5bc0eb' }), [])
useEffect(() => {
return () => {
sharedGeometry.dispose()
sharedMaterial.dispose()
}
}, [sharedGeometry, sharedMaterial])
useFrame((state) => {
const seconds = state.clock.elapsedTime
if (leftCubeRef.current) {
leftCubeRef.current.rotation.x = seconds
leftCubeRef.current.rotation.y = seconds
}
if (rightCubeRef.current) {
rightCubeRef.current.rotation.x = seconds
rightCubeRef.current.rotation.y = -seconds
}
})
return (
<>
<mesh ref={leftCubeRef} position={[-1.2, 0, 0]} geometry={sharedGeometry} material={sharedMaterial} />
<mesh
ref={rightCubeRef}
position={[1.2, 0, 0]}
geometry={sharedGeometry}
material={sharedMaterial}
/>
</>
)
}
export default CubePair

44
Week-1/Task-3/r3f/src/Group.jsx Normal file
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import { Canvas, useFrame } from '@react-three/fiber'
import { useRef } from 'react'
function GroupedStructure({ position = [0, 0, 0], direction = 1 }) {
const groupRef = useRef()
useFrame((state) => {
const seconds = state.clock.elapsedTime
if (!groupRef.current) return
groupRef.current.rotation.y = direction * seconds * 0.7
groupRef.current.rotation.x = Math.sin(seconds * 1.1) * 0.2
})
return (
<group ref={groupRef} position={position}>
<mesh position={[0, -0.2, 0]}>
<boxGeometry args={[0.7, 1.6, 0.7]} />
<meshStandardMaterial color="#f6bd60" />
</mesh>
<mesh position={[0, 0.95, 0]}>
<sphereGeometry args={[0.4, 24, 24]} />
<meshStandardMaterial color="#84a59d" />
</mesh>
</group>
)
}
export default GroupedStructure
// export default function GroupApp() {
// return (
// <Canvas camera={{ fov: 60, near: 0.1, far: 100, position: [0, 1.2, 8] }}>
// <color attach="background" args={['#101418']} />
// <ambientLight intensity={0.65} />
// <directionalLight intensity={1.1} position={[4, 6, 5]} />
// <GroupedStructure position={[-1.4, 0, 0]} direction={1} />
// <GroupedStructure position={[1.4, 0, 0]} direction={-1} />
// </Canvas>
// )
// }

18
Week-1/Task-3/r3f/src/index.css Normal file
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html,
body,
#root {
margin: 0;
width: 100%;
height: 100%;
}
body {
overflow: hidden;
background: #101418;
}
canvas {
display: block;
width: 100%;
height: 100%;
}

10
Week-1/Task-3/r3f/src/main.jsx Normal file
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import { StrictMode } from 'react'
import { createRoot } from 'react-dom/client'
import App from './App.jsx'
import './index.css'
createRoot(document.getElementById('root')).render(
<StrictMode>
<App />
</StrictMode>,
)

6
Week-1/Task-3/r3f/vite.config.js Normal file
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import { defineConfig } from 'vite'
import react from '@vitejs/plugin-react'
export default defineConfig({
plugins: [react()],
})

68
Week-1/Task-3/vanilla/group.js Normal file
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import * as THREE from "three"
const renderer = new THREE.WebGLRenderer({ antialias: true })
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2))
document.body.appendChild(renderer.domElement)
const scene = new THREE.Scene()
scene.background = new THREE.Color(0x101418)
const camera = new THREE.PerspectiveCamera(60, 2, 0.1, 100)
camera.position.set(0, 1.2, 8)
scene.add(new THREE.AmbientLight(0xffffff, 0.65))
const light = new THREE.DirectionalLight(0xffffff, 1.1)
light.position.set(4, 6, 5)
scene.add(light)
const pillarGeometry = new THREE.BoxGeometry(0.7, 1.6, 0.7)
const pillarMaterial = new THREE.MeshStandardMaterial({ color: 0xf6bd60 })
const capGeometry = new THREE.SphereGeometry(0.4, 24, 24)
const capMaterial = new THREE.MeshStandardMaterial({ color: 0x84a59d })
const groupedStructure = new THREE.Group()
const pillar = new THREE.Mesh(pillarGeometry, pillarMaterial)
pillar.position.y = -0.2
groupedStructure.add(pillar)
const cap = new THREE.Mesh(capGeometry, capMaterial)
cap.position.y = 0.95
groupedStructure.add(cap)
groupedStructure.position.set(-1.4, 0, 0)
scene.add(groupedStructure)
const groupedStructureClone = groupedStructure.clone()
groupedStructureClone.position.set(1.4, 0, 0)
scene.add(groupedStructureClone)
function resizeRendererToDisplaySize() {
const width = window.innerWidth
const height = window.innerHeight
const needResize = renderer.domElement.width !== width || renderer.domElement.height !== height
if (needResize) {
renderer.setSize(width, height, false)
camera.aspect = width / height
camera.updateProjectionMatrix()
}
}
function animate(time) {
const seconds = time * 0.001
resizeRendererToDisplaySize()
groupedStructure.rotation.y = seconds * 0.7
groupedStructure.rotation.x = Math.sin(seconds * 1.1) * 0.2
groupedStructureClone.rotation.y = -seconds * 0.7
groupedStructureClone.rotation.x = Math.sin(seconds * 1.1) * 0.2
renderer.render(scene, camera)
requestAnimationFrame(animate)
}
requestAnimationFrame(animate)

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Week-1/Task-3/vanilla/index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
<title>Task 3 Vanilla - Duplication Tests</title>
<style>
html,
body {
margin: 0;
width: 100%;
height: 100%;
overflow: hidden;
background: #101418;
}
canvas {
display: block;
width: 100%;
height: 100%;
}
</style>
</head>
<body>
<script type="module">
const mode = new URLSearchParams(window.location.search).get('test')
if (mode === 'group') {
import('./group.js')
} else {
import('./main.js')
}
</script>
</body>
</html>

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Week-1/Task-3/vanilla/main.js Normal file
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import * as THREE from "three"
const renderer = new THREE.WebGLRenderer({ antialias: true });
renderer.setPixelRatio(Math.min(window.devicePixelRatio, 2));
document.body.appendChild(renderer.domElement);
const scene = new THREE.Scene();
scene.background = new THREE.Color(0x101418);
const camera = new THREE.PerspectiveCamera(60, 2, 0.1, 100);
camera.position.set(0, 0, 6);
scene.add(new THREE.AmbientLight(0xffffff, 0.6));
const light = new THREE.DirectionalLight(0xffffff, 1.1);
light.position.set(4, 6, 5);
scene.add(light);
const geometry = new THREE.BoxGeometry(1, 1, 1);
const material = new THREE.MeshStandardMaterial({ color: 0x5bc0eb });
const cube = new THREE.Mesh(geometry, material);
cube.position.x = -1.2;
scene.add(cube);
const cubeClone = cube.clone();
cubeClone.position.x = 1.2;
scene.add(cubeClone);
function resizeRendererToDisplaySize() {
const width = window.innerWidth;
const height = window.innerHeight;
const needResize = renderer.domElement.width !== width || renderer.domElement.height !== height;
if (needResize) {
renderer.setSize(width, height, false);
camera.aspect = width / height;
camera.updateProjectionMatrix();
}
}
function animate(time) {
const seconds = time * 0.001;
resizeRendererToDisplaySize();
cube.rotation.x = seconds;
cube.rotation.y = seconds;
cubeClone.rotation.x = seconds;
cubeClone.rotation.y = -seconds;
renderer.render(scene, camera);
requestAnimationFrame(animate);
}
requestAnimationFrame(animate);

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Week-1/Task-3/vanilla/package.json
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"version": "0.0.0",
"packageManager": "yarn@1.22.22",
"scripts": {
"dev": "echo 'Add your Three.js dev script here'",
"build": "echo 'Add your Three.js build script here'",
"dev": "vite",
"dev:object": "vite --open '/'",
"dev:group": "vite --open '/?test=group'",
"build": "vite build",
"lint": "echo 'Add your lint script here'",
"clean": "rm -rf dist build"
}