feat: added texture switcher for task 2 in r3f

Week-2/Task-2/r3f/src/App.css

@@ -1,10 +1,41 @@
-* {
-  margin: 0;
-  padding: 0;
-  box-sizing: border-box;
+.app-container {
+  width: 100vw;
+  height: 100vh;
+  position: relative;
+  background-color: white;
+  overflow: hidden;
 }
 
-body {
-  overflow: hidden;
-  background-color: #111;
-  font-family: sans-serif;
+#controls {
+  position: absolute;
+  top: 20px;
+  left: 20px;
+  z-index: 10;
+  display: flex;
+  gap: 10px;
+}
+
+button {
+  padding: 8px 16px;
+  cursor: pointer;
+  background: #f0f0f0;
+  border: 1px solid #ccc;
+  border-radius: 4px;
+  font-weight: 500;
+  transition: all 0.2s;
+}
+
+button:hover {
+  background: #e0e0e0;
+}
+
+button.active {
+  background: #333;
+  color: white;
+  border-color: #333;
+}
+
+.canvas-wrapper {
+  width: 100%;
+  height: 100%;
+}

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

@@ -1,5 +1,53 @@
-export default function App() {
+import React, { useState} from 'react';
+import { Canvas } from '@react-three/fiber';
+import { OrbitControls, PerspectiveCamera, useTexture } from '@react-three/drei';
+import './App.css';
+
+const planetUrls = {
+  earth: 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcQZVsp7bSmsdGhM1GouOYgZ6l06Za__Z1ZY8A&s',
+  moon: 'https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcROh1go667NHsMdzLyvI-0tt9Mn0eugRp0xhQ&s',
+  sun: 'https://upload.wikimedia.org/wikipedia/commons/a/a4/Solarsystemscope_texture_8k_sun.jpg',
+};
+
+function Planet({ variant }) {
+  const textures = useTexture(planetUrls);
+
   return (
-        <></>
-    )
+    <mesh rotation={[0, 0, 0]}>
+      <sphereGeometry args={[1.5, 100, 100]} />
+      <meshStandardMaterial map={textures[variant]} roughness={0.6} />
+    </mesh>
+  );
+}
+
+export default function App() {
+  const [activeVariant, setActiveVariant] = useState('earth');
+
+  return (
+    <div className="app-container">
+      <div id="controls">
+        {Object.keys(planetUrls).map((variant) => (
+          <button
+            key={variant}
+            className={activeVariant === variant ? 'active' : ''}
+            onClick={() => setActiveVariant(variant)}
+          >
+            {variant.charAt(0).toUpperCase() + variant.slice(1)}
+          </button>
+        ))}
+      </div>
+
+      <div className="canvas-wrapper">
+        <Canvas dpr={[1, 2]}>
+          <color attach="background" args={["white"]} />
+          <PerspectiveCamera makeDefault position={[0, 0, 5]} />
+          <ambientLight intensity={0.6 * Math.PI} />
+          <pointLight position={[5, 5, 5]} intensity={1.0 * Math.PI} />
+          <Planet variant={activeVariant} />
+
+          <OrbitControls makeDefault enableDamping dampingFactor={0.05} />
+        </Canvas>
+      </div>
+    </div>
+  );
 }