2025-03-11 08:25:45 +00:00
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<!--********************************************************************
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* by 优雅永不过时 https://github.com/z2586300277
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*********************************************************************-->
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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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<style>
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* {
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margin: 0;
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padding: 0;
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overflow: hidden;
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}
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body,
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#box {
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width: 100%;
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background-color: #1f1f1f;
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height: 100%;
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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="box"></div>
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<script type="importmap">
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{
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"imports": {
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2025-03-19 03:00:22 +00:00
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"three": "./../../libs/three/build/three.module.js",
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"three/addons/": "./../../libs/three/examples/jsm/",
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"three/example/": "./../../libs/three/examples/"
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2025-03-11 08:25:45 +00:00
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}
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}
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</script>
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<script type="module">
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import * as THREE from 'three'
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import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
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import { EffectComposer } from 'three/example/jsm/postprocessing/EffectComposer.js';
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import { RenderPass } from 'three/example/jsm/postprocessing/RenderPass.js';
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import { OutlinePass } from 'three/example/jsm/postprocessing/OutlinePass.js'
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import { OutputPass } from 'three/example/jsm/postprocessing/OutputPass.js'
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const box = document.getElementById('box')
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const scene = new THREE.Scene()
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const camera = new THREE.PerspectiveCamera(75, box.clientWidth / box.clientHeight, 0.1, 1000)
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camera.position.set(20, 20, 20)
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const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: true, logarithmicDepthBuffer: true })
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scene.add(new THREE.AxesHelper(500), new THREE.GridHelper(100, 20))
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// 物体
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for (let i = 0; i < 10; i++) {
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const geometry = new THREE.BoxGeometry()
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const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 * Math.random() })
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const cube = new THREE.Mesh(geometry, material)
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cube.position.x = Math.random() * 10
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cube.position.y = Math.random() * 10
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cube.position.z = Math.random() * 10
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scene.add(cube)
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}
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renderer.setSize(box.clientWidth, box.clientHeight)
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box.appendChild(renderer.domElement)
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new OrbitControls(camera, renderer.domElement)
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// 后期处理
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const composer = new EffectComposer(renderer);
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const renderPass = new RenderPass(scene, camera);
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composer.addPass(renderPass);
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// 轮廓
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const outlinePass = new OutlinePass(new THREE.Vector2(box.clientWidth, box.clientHeight), scene, camera);
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composer.addPass(outlinePass);
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// 色彩校正
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const outputPass = new OutputPass();
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composer.addPass(outputPass);
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// 点击事件
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const raycaster = new THREE.Raycaster()
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box.addEventListener('click', (event) => {
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const mouse = new THREE.Vector2(
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(event.offsetX / event.target.clientWidth) * 2 - 1,
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-(event.offsetY / event.target.clientHeight) * 2 + 1
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)
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raycaster.setFromCamera(mouse, camera)
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const intersects = raycaster.intersectObjects(scene.children)
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if (intersects.length > 0) {
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outlinePass.selectedObjects = [intersects[0].object]
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} else {
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outlinePass.selectedObjects = []
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}
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})
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animate()
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function animate() {
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requestAnimationFrame(animate)
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renderer.render(scene, camera)
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composer.render()
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}
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</script>
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</body>
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</html>
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