71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
import * as THREE from "three";
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import { OrbitControls } from "three/examples/jsm/controls/OrbitControls.js";
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const scene = new THREE.Scene();
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scene.background = new THREE.Color("white");
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const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
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camera.position.z = 5;
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const renderer = new THREE.WebGLRenderer({ antialias: true });
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renderer.setSize(window.innerWidth, window.innerHeight);
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document.body.appendChild(renderer.domElement);
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const geometry = new THREE.TorusKnotGeometry(1, 0.4, 100, 16);
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const material = new THREE.MeshStandardMaterial({ color: "#ccc", roughness: 0.5 });
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const mesh = new THREE.Mesh(geometry, material);
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scene.add(mesh);
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scene.add(new THREE.AmbientLight(0xffffff, 0.6));
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const pointLight = new THREE.PointLight(0xffffff, 1);
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pointLight.position.set(5, 5, 5);
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scene.add(pointLight);
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const controls = new OrbitControls(camera, renderer.domElement);
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controls.enableDamping = true;
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const raycaster = new THREE.Raycaster();
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const mouse = new THREE.Vector2();
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let isSelected = false;
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window.addEventListener("click", (event) => {
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mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
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mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;
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raycaster.setFromCamera(mouse, camera);
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const intersects = raycaster.intersectObject(mesh);
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if (intersects.length > 0) {
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isSelected = !isSelected;
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updateAppearance();
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}
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});
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function updateAppearance() {
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if (isSelected) {
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mesh.scale.set(1.2, 1.2, 1.2);
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mesh.material.color.set("#3498db");
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mesh.material.emissive.set("#1e3799");
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mesh.material.emissiveIntensity = 0.5;
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} else {
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mesh.scale.set(1, 1, 1);
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mesh.material.color.set("#ccc");
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mesh.material.emissive.set("#000");
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mesh.material.emissiveIntensity = 0;
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}
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}
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function animate() {
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requestAnimationFrame(animate);
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controls.update();
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mesh.rotation.y += 0.01;
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renderer.render(scene, camera);
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}
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animate();
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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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