feat: added scene for task1 in r3f

Week-2/Task-1/r3f/Cammera/src/App.jsx

@@ -1,9 +1,95 @@
 
-function App() {
+import { useEffect, useMemo, useState } from 'react'
+import { Canvas, useFrame, useThree } from '@react-three/fiber'
+import * as THREE from 'three'
+
+const PRESETS = {
+  front: [0, 1.2, 6.5],
+  side: [6.5, 1.4, 0],
+  topAngled: [3.8, 5.4, 4.2],
+}
+
+function CameraController({ preset }) {
+  const { camera } = useThree()
+  const target = useMemo(() => new THREE.Vector3(0, 0, 0), [])
+  const targetPosition = useMemo(() => new THREE.Vector3(), [])
+
+  useEffect(() => {
+    const [x, y, z] = PRESETS[preset]
+    targetPosition.set(x, y, z)
+  }, [preset, targetPosition])
+
+  useFrame(() => {
+    camera.position.lerp(targetPosition, 0.08)
+    camera.lookAt(target)
+  })
+
+  return null
+}
+
+function Scene({ preset }) {
   return (
     <>
+      <ambientLight intensity={0.85} />
+      <directionalLight intensity={1} position={[3, 4, 5]} />
+
+      <mesh>
+        <boxGeometry args={[1.6, 1.6, 1.6]} />
+        <meshStandardMaterial color="#2a9d8f" roughness={0.45} metalness={0.1} />
+      </mesh>
+
+      <CameraController preset={preset} />
     </>
   )
 }
 
+function App() {
+  const [preset, setPreset] = useState('front')
+
+  useEffect(() => {
+    function onKeyDown(event) {
+      if (event.key === '1') setPreset('front')
+      if (event.key === '2') setPreset('side')
+      if (event.key === '3') setPreset('topAngled')
+    }
+
+    window.addEventListener('keydown', onKeyDown)
+    return () => window.removeEventListener('keydown', onKeyDown)
+  }, [])
+
+  return (
+    <div className="app-shell">
+      <div id="preset-panel">
+        <h2>Camera Presets</h2>
+        <div className="preset-buttons">
+          <button
+            className={`preset-btn ${preset === 'front' ? 'active' : ''}`}
+            onClick={() => setPreset('front')}
+          >
+            Front (1)
+          </button>
+          <button
+            className={`preset-btn ${preset === 'side' ? 'active' : ''}`}
+            onClick={() => setPreset('side')}
+          >
+            Side (2)
+          </button>
+          <button
+            className={`preset-btn ${preset === 'topAngled' ? 'active' : ''}`}
+            onClick={() => setPreset('topAngled')}
+          >
+            Top Angled (3)
+          </button>
+        </div>
+        <p id="hint">Press 1, 2, or 3 to switch view.</p>
+      </div>
+
+      <Canvas camera={{ fov: 55, near: 0.1, far: 100, position: PRESETS.front }}>
+        <color attach="background" args={["#f3f5f8"]} />
+        <Scene preset={preset} />
+      </Canvas>
+    </div>
+  )
+}
+
 export default App

Week-2/Task-1/r3f/Cammera/src/index.css

@@ -12,4 +12,70 @@ body,
 
 body {
 	overflow: hidden;
+	font-family: "Avenir Next", "Segoe UI", sans-serif;
+	background: #f3f5f8;
+}
+
+.app-shell {
+	position: relative;
+	width: 100%;
+	height: 100%;
+}
+
+#preset-panel {
+	position: fixed;
+	top: 16px;
+	left: 16px;
+	z-index: 10;
+	background: rgba(255, 255, 255, 0.82);
+	border: 1px solid rgba(0, 0, 0, 0.12);
+	border-radius: 12px;
+	box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
+	padding: 12px;
+	display: flex;
+	flex-direction: column;
+	gap: 8px;
+	backdrop-filter: blur(6px);
+}
+
+#preset-panel h2 {
+	margin: 0;
+	font-size: 14px;
+	letter-spacing: 0.03em;
+	color: #1b2530;
+	font-weight: 700;
+}
+
+.preset-buttons {
+	display: flex;
+	gap: 8px;
+	flex-wrap: wrap;
+}
+
+.preset-btn {
+	border: 1px solid #cfd8e3;
+	background: #ffffff;
+	color: #203448;
+	border-radius: 8px;
+	padding: 8px 10px;
+	font-size: 13px;
+	cursor: pointer;
+	transition: all 0.2s ease;
+}
+
+.preset-btn:hover {
+	border-color: #8ea2b8;
+	transform: translateY(-1px);
+}
+
+.preset-btn.active {
+	background: #203448;
+	border-color: #203448;
+	color: #f4f8fb;
+}
+
+#hint {
+	margin: 0;
+	font-size: 12px;
+	color: #4f647a;
 }