mirror of
https://github.com/jiawanlong/Cesium-Examples.git
synced 2025-11-04 09:14:17 +00:00
188 lines
5.8 KiB
HTML
188 lines
5.8 KiB
HTML
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<!--********************************************************************
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* by jiawanlong
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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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}
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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 class="box" id="box"></div>
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<script type="importmap">
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{
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"imports": {
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"three": "./../../three/build/three.module.js",
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"three/addons/": "./../../three/examples/jsm/"
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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 { CSS3DRenderer, CSS3DObject, CSS3DSprite } from 'three/addons/renderers/CSS3DRenderer.js';
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import { GUI } from 'three/addons/libs/lil-gui.module.min.js';
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// 实例化一个gui对象
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const gui = new GUI();
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const obj = {
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yd: 300,
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dx: 5,
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color: 0x00ffff,
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scale: 0,
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bool:false
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};
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// 创建场景
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const scene = new THREE.Scene();
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let box = document.getElementById("box")
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//创建相机对象
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var camera = new THREE.PerspectiveCamera(60, window.innerWidth / window.innerHeight, 50, 1000);
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camera.position.set(292, 109, 568); //设置相机位置
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camera.lookAt(scene.position); //设置相机方向(指向的场景对象)
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// 光源
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var point = new THREE.PointLight(0xffffff);
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point.position.set(400, 200, 300); //点光源位置
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scene.add(point); //点光源添加到场景中
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var point1 = new THREE.PointLight(0xffffff);
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point1.position.set(-400, -200, -300);
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scene.add(point1);
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var ambient = new THREE.AmbientLight(0x888888, 2);
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scene.add(ambient);
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// 创建渲染器
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const renderer = new THREE.WebGLRenderer();
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renderer.setSize(window.innerWidth, window.innerHeight);
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box.appendChild(renderer.domElement)
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// 加载纹理
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const textureLoader = new THREE.TextureLoader();
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const spriteTexture = textureLoader.load('./yd.jpg');
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// 创建精灵材质
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const spriteMaterial = new THREE.SpriteMaterial({
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map: spriteTexture,
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useScreenCoordinates: false,
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color: 0xffffff // 可以设置颜色
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});
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let group = new THREE.Group();
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for (let i = 0; i < obj.yd; i++) {
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// 精灵模型共享材质
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const sprite = new THREE.Sprite(spriteMaterial);
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group.add(sprite);
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sprite.scale.set(obj.dx, obj.dx, 1);
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// 设置精灵模型位置，在长方体空间上上随机分布
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const x = 1000 * (Math.random() - 0.5);
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const y = 600 * Math.random();
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const z = 1000 * (Math.random() - 0.5);
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sprite.position.set(x, y, z)
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}
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scene.add(group);
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function addYD() {
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group.clear();
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for (let i = 0; i < obj.yd; i++) {
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// 精灵模型共享材质
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const sprite = new THREE.Sprite(spriteMaterial);
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group.add(sprite);
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sprite.scale.set(obj.dx, obj.dx, 1);
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// 设置精灵模型位置，在长方体空间上上随机分布
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const x = 1000 * (Math.random() - 0.5);
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const y = 600 * Math.random();
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const z = 1000 * (Math.random() - 0.5);
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sprite.position.set(x, y, z)
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}
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}
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// 环境光强度
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gui.add(ambient, 'intensity', 0, 5.0).name('环境光强度').step(0.1);
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// point光强度
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gui.add(point, 'intensity', 0, 5.0).name('point光强度');
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// GUI控制雨滴
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gui.add(obj, 'yd', 0, 18000).name('雨滴多少').onChange(function (value) {
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addYD();
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});
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// GUI控制雨滴
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gui.add(obj, 'dx', 0, 50).name('雨滴大小').onChange(function (value) {
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addYD();
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});
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// 颜色
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gui.addColor(obj, 'color').name('颜色').onChange(function (value) {
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});
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// 下拉菜单
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gui.add(obj, 'scale', [-100, 0, 100]).name('下拉菜单').onChange(function (value) {
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});
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// 下拉菜单
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gui.add(obj, 'scale', { left: -100,center: 0,right: 100}).name('下拉菜单').onChange(function (value) {
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});
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// 布尔值
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gui.add(obj, 'bool').name('布尔值').onChange(function (value) {
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});
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// 草地
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var geometry1 = new THREE.PlaneGeometry(2000, 2000);
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const texLoader = new THREE.TextureLoader();
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const texture = texLoader.load('./cao.png');
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texture.wrapS = THREE.RepeatWrapping;
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texture.wrapT = THREE.RepeatWrapping;
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texture.repeat.set(20, 20);
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const material = new THREE.MeshLambertMaterial({
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map: texture,
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});
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const mesh1 = new THREE.Mesh(geometry1, material);
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mesh1.position.set(50, 50, 0);
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scene.add(mesh1);
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mesh1.rotateX(-Math.PI / 2);
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function render() {
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group.children.forEach(sprite => {
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sprite.position.y -= 2;
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if (sprite.position.y < 0) {
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sprite.position.y = 600;
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}
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});
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renderer.render(scene, camera)
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requestAnimationFrame(render);
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}
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render();
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const controls = new OrbitControls(camera, renderer.domElement);
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controls.addEventListener('change', function () {
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renderer.render(scene, camera);
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});
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</script>
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</body>
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</html>
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