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Browse files- index.html +144 -18
index.html
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@@ -1,19 +1,145 @@
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<html>
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<title>Procedural Terrain</title>
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<style>
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body { margin: 0; overflow: hidden; }
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#controls {
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position: fixed;
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top: 20px;
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left: 20px;
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background: rgba(0,0,0,0.7);
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padding: 20px;
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border-radius: 10px;
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color: white;
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font-family: Arial, sans-serif;
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}
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.control-group {
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margin: 10px 0;
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}
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label {
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display: inline-block;
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width: 120px;
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}
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input[type="range"] {
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width: 200px;
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}
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</style>
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</head>
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<body>
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<div id="controls">
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<div class="control-group">
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<label>Height Scale:</label>
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<input type="range" id="heightScale" min="0" max="100" value="20">
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</div>
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<div class="control-group">
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<label>Water Level:</label>
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<input type="range" id="waterLevel" min="0" max="50" value="10">
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</div>
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<div class="control-group">
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<label>Roughness:</label>
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<input type="range" id="roughness" min="0" max="10" value="3" step="0.1">
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</div>
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</div>
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<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r128/three.min.js"></script>
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<script>
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let scene, camera, renderer, terrain, water;
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const size = 128;
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function init() {
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scene = new THREE.Scene();
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camera = new THREE.PerspectiveCamera(75, window.innerWidth/window.innerHeight, 0.1, 1000);
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renderer = new THREE.WebGLRenderer();
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renderer.setSize(window.innerWidth, window.innerHeight);
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document.body.appendChild(renderer.domElement);
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// Add lighting
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const ambientLight = new THREE.AmbientLight(0xffffff, 0.5);
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scene.add(ambientLight);
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const directionalLight = new THREE.DirectionalLight(0xffffff, 0.8);
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directionalLight.position.set(1, 1, 1);
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scene.add(directionalLight);
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camera.position.set(50, 50, 50);
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camera.lookAt(0, 0, 0);
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createTerrain();
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createWater();
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animate();
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}
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function createTerrain() {
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const geometry = new THREE.PlaneGeometry(100, 100, size, size);
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const material = new THREE.MeshPhongMaterial({
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color: 0x808080,
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wireframe: false,
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flatShading: true
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});
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terrain = new THREE.Mesh(geometry, material);
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terrain.rotation.x = -Math.PI / 2;
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scene.add(terrain);
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updateTerrain();
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}
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function createWater() {
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const geometry = new THREE.PlaneGeometry(100, 100);
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const material = new THREE.MeshPhongMaterial({
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color: 0x0077ff,
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transparent: true,
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opacity: 0.6
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});
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water = new THREE.Mesh(geometry, material);
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water.rotation.x = -Math.PI / 2;
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scene.add(water);
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}
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function updateTerrain() {
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const heightScale = document.getElementById('heightScale').value;
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const roughness = document.getElementById('roughness').value;
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const vertices = terrain.geometry.attributes.position.array;
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for(let i = 0; i < vertices.length; i += 3) {
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const x = i / 3 % (size + 1);
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const y = Math.floor(i / 3 / (size + 1));
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vertices[i + 2] = generateHeight(x, y) * heightScale / 20;
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}
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terrain.geometry.attributes.position.needsUpdate = true;
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terrain.geometry.computeVertexNormals();
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}
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function generateHeight(x, y) {
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const roughness = document.getElementById('roughness').value;
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return (Math.sin(x/10 * roughness) + Math.sin(y/10 * roughness)) / 2;
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}
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function updateWater() {
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const waterLevel = document.getElementById('waterLevel').value;
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water.position.y = waterLevel / 5;
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}
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function animate() {
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requestAnimationFrame(animate);
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renderer.render(scene, camera);
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updateWater();
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}
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// Event Listeners
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window.addEventListener('resize', () => {
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camera.aspect = window.innerWidth / window.innerHeight;
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camera.updateProjectionMatrix();
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renderer.setSize(window.innerWidth, window.innerHeight);
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});
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document.getElementById('heightScale').addEventListener('input', updateTerrain);
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document.getElementById('roughness').addEventListener('input', updateTerrain);
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init();
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</script>
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</body>
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</html>
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