feat: implement texture mapping in vanilla

2026-03-30 14:21:43 +05:30 · 2026-03-30 14:21:43 +05:30 · 2a39171446
commit 2a39171446
parent 1e3faf9356
4 changed files with 122 additions and 0 deletions
--- a/Week-1/Task-2/vanilla/index.html
+++ b/Week-1/Task-2/vanilla/index.html
@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+  <head>
+    <meta charset="UTF-8" />
+    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
+    <title>Task 2 — Texture Mapping (Vanilla Three.js)</title>
+    <link rel="stylesheet" href="style.css" />
+  </head>
+  <body>
+    <script type="module" src="main.js"></script>
+  </body>
+</html>
--- a/Week-1/Task-2/vanilla/main.js
+++ b/Week-1/Task-2/vanilla/main.js
@ -0,0 +1,62 @@
+import * as THREE from 'three'
+
+const scene = new THREE.Scene()
+scene.background = new THREE.Color('pink')
+
+const camera = new THREE.PerspectiveCamera(
+  75,
+  window.innerWidth / window.innerHeight,
+  0.1,
+  1000
+)
+camera.position.z = 5
+
+const renderer = new THREE.WebGLRenderer()
+renderer.setSize(window.innerWidth, window.innerHeight)
+document.body.appendChild(renderer.domElement)
+const canvas = document.createElement('canvas')
+canvas.width = 256
+canvas.height = 256
+
+const ctx = canvas.getContext('2d') 
+
+ctx.fillStyle = 'white'
+ctx.fillRect(0, 0, 256, 256)
+
+ctx.fillStyle = 'black'
+ctx.fillRect(0, 0, 128, 128)
+ctx.fillRect(128, 128, 128, 128)
+
+const texture = new THREE.CanvasTexture(canvas)
+
+const geometry = new THREE.BoxGeometry(2, 2, 2)
+
+const material = new THREE.MeshBasicMaterial({ map: texture })
+
+const light1 = new THREE.AmbientLight(0xffffff, 0.5)
+scene.add(light1)
+
+const light2 = new THREE.PointLight(0xffffff, 1)
+light2.position.set(5, 5, 5)
+scene.add(light2)
+
+const cube = new THREE.Mesh(geometry, material)
+scene.add(cube)
+
+function animate() {
+  requestAnimationFrame(animate)
+
+  cube.rotation.x += 0.01
+  cube.rotation.y += 0.01
+
+  renderer.render(scene, camera)
+}
+
+animate()
+
+window.addEventListener('resize', () => {
+  camera.aspect = window.innerWidth / window.innerHeight
+  camera.updateProjectionMatrix()
+  renderer.setSize(window.innerWidth, window.innerHeight)
+})
+
--- a/Week-1/Task-2/vanilla/package.json
+++ b/Week-1/Task-2/vanilla/package.json
@ -0,0 +1,17 @@
+{
+  "name": "task-2-vanilla",
+  "version": "0.0.0",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "dev": "vite",
+    "build": "vite build",
+    "preview": "vite preview"
+  },
+  "devDependencies": {
+    "vite": "^5.0.0"
+  },
+  "dependencies": {
+    "three": "^0.163.0"
+  }
+}
--- a/Week-1/Task-2/vanilla/style.css
+++ b/Week-1/Task-2/vanilla/style.css
@ -0,0 +1,31 @@
+* {
+  margin: 0;
+  padding: 0;
+  box-sizing: border-box;
+}
+
+body, html {
+  width: 100%;
+  height: 100%;
+  overflow: hidden;
+  background: #111;
+}
+
+canvas {
+  display: block;
+}
+
+#info {
+  position: fixed;
+  top: 16px;
+  left: 50%;
+  transform: translateX(-50%);
+  color: #fff;
+  font-family: system-ui, sans-serif;
+  font-size: 14px;
+  background: rgba(0, 0, 0, 0.5);
+  padding: 6px 16px;
+  border-radius: 20px;
+  pointer-events: none;
+  z-index: 10;
+}