Cesium-Examples/examples/threeEx/2.1.2、网格.html
2025-03-19 11:00:22 +08:00

81 lines
2.2 KiB
HTML

<!--********************************************************************
* by jiawanlong
*********************************************************************-->
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<style>
* {
margin: 0;
padding: 0;
overflow: hidden;
}
</style>
</head>
<body>
<script type="importmap">
{
"imports": {
"three": "./../../libs/three/build/three.module.js",
"three/addons/": "./../../libs/three/examples/jsm/"
}
}
</script>
<script type="module">
import * as THREE from 'three';
import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
const scene = new THREE.Scene();
// 网格模型Mesh其实就一个一个三角形(面)拼接构成
const geometry = new THREE.BufferGeometry();
const vertices = new Float32Array([
0, 0, 0,
50, 0, 0,
50, 0, 50,
0, 0, 0,
0, 0, 50,
50, 0, 50,
]);
geometry.attributes.position = new THREE.BufferAttribute(vertices, 3);
// 网格
const material = new THREE.MeshBasicMaterial({
color: 0x0000ff,
side: THREE.DoubleSide,
});
const mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
// AxesHelper
const axesHelper = new THREE.AxesHelper(150);
scene.add(axesHelper);
// 相机
const camera = new THREE.PerspectiveCamera(); //相机
camera.position.set(200, 200, 200); //相机位置
camera.lookAt(0, 0, 0); //相机观察位置
// 渲染器
const renderer = new THREE.WebGLRenderer(); // 创建渲染器
renderer.setSize(window.innerWidth, window.innerHeight); //渲染区域
renderer.render(scene, camera); //执行渲染
document.body.appendChild(renderer.domElement);
const controls = new OrbitControls(camera, renderer.domElement);
controls.addEventListener('change', function () {
renderer.render(scene, camera);
});
</script>
</body>
</html>