Cesium-Examples/examples/threeEx/1.1.30、OutlinePass.html

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<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<style>
* {
margin: 0;
padding: 0;
overflow: hidden;
}
body,
#box {
width: 100%;
background-color: #1f1f1f;
height: 100%;
}
</style>
</head>
<body>
<div id="box"></div>
<script type="importmap">
{
"imports": {
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"three": "./../../libs/three/build/three.module.js",
"three/addons/": "./../../libs/three/examples/jsm/",
"three/example/": "./../../libs/three/examples/"
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}
}
</script>
<script type="module">
import * as THREE from 'three'
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
import { EffectComposer } from 'three/example/jsm/postprocessing/EffectComposer.js';
import { RenderPass } from 'three/example/jsm/postprocessing/RenderPass.js';
import { OutlinePass } from 'three/example/jsm/postprocessing/OutlinePass.js'
import { OutputPass } from 'three/example/jsm/postprocessing/OutputPass.js'
const box = document.getElementById('box')
const scene = new THREE.Scene()
const renderer = new THREE.WebGLRenderer()
// 相机
const camera = new THREE.PerspectiveCamera();
camera.position.set(200, 200, 200);
camera.lookAt(0, 50, 40);
scene.add(new THREE.AxesHelper(500))
// 添加模型
const geometry1 = new THREE.BoxGeometry(10, 10, 10);
const geometry2 = new THREE.SphereGeometry(10);
const geometry3 = new THREE.CylinderGeometry(10, 10, 100);
const material = new THREE.MeshBasicMaterial({ color: 0xff0000 });
const mesh1 = new THREE.Mesh(geometry1, material);
mesh1.position.set(0, 0, 0);
const mesh2 = new THREE.Mesh(geometry2, material);
mesh2.position.set(0, 0, 30);
const mesh3 = new THREE.Mesh(geometry3, material);
mesh3.position.set(0, 0, 60);
scene.add(mesh1);
scene.add(mesh2);
scene.add(mesh3);
renderer.setSize(box.clientWidth, box.clientHeight)
box.appendChild(renderer.domElement)
// 后期处理
const composer = new EffectComposer(renderer);
const renderPass = new RenderPass(scene, camera);
composer.addPass(renderPass);
// 轮廓
const outlinePass = new OutlinePass(new THREE.Vector2(box.clientWidth, box.clientHeight), scene, camera);
composer.addPass(outlinePass);
//模型描边颜色,默认白色
outlinePass.visibleEdgeColor.set(0xffff00);
//高亮发光描边厚度
outlinePass.edgeThickness = 4;
//高亮描边发光强度
outlinePass.edgeStrength = 6;
//模型闪烁频率控制默认0不闪烁
outlinePass.pulsePeriod = 20;
// 色彩校正
const outputPass = new OutputPass();
composer.addPass(outputPass);
// 点击事件
const raycaster = new THREE.Raycaster()
box.addEventListener('click', (event) => {
const mouse = new THREE.Vector2(
(event.offsetX / event.target.clientWidth) * 2 - 1,
-(event.offsetY / event.target.clientHeight) * 2 + 1
)
raycaster.setFromCamera(mouse, camera)
const intersects = raycaster.intersectObjects(scene.children)
if (intersects.length > 0) {
outlinePass.selectedObjects = [intersects[0].object]
} else {
outlinePass.selectedObjects = []
}
})
new OrbitControls(camera, renderer.domElement)
animate()
function animate() {
requestAnimationFrame(animate)
renderer.render(scene, camera)
composer.render()
}
</script>
</body>
</html>