three和监听camera.matrixWorld是否改变,并分别给出详细代码
时间: 2024-02-23 11:01:20 浏览: 187
监听文件是否改变
1. 监听three中的camera.matrixWorld是否改变的代码:
```javascript
// 创建场景、相机、渲染器等
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
const renderer = new THREE.WebGLRenderer();
// 监听相机的matrixWorld是否改变
camera.matrixWorld.addEventListener('change', () => {
console.log('camera.matrixWorld has changed!');
});
// 渲染场景
renderer.render(scene, camera);
```
2. 监听three中的对象的matrixWorld是否改变的代码:
```javascript
// 创建场景、相机、渲染器等
const scene = new THREE.Scene();
const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);
const renderer = new THREE.WebGLRenderer();
// 创建一个对象
const geometry = new THREE.BoxGeometry();
const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });
const cube = new THREE.Mesh(geometry, material);
scene.add(cube);
// 监听对象的matrixWorld是否改变
cube.matrixWorld.addEventListener('change', () => {
console.log('cube.matrixWorld has changed!');
});
// 渲染场景
renderer.render(scene, camera);
```
这两份代码可以监听相应对象的matrixWorld是否发生改变,并在控制台输出相应的信息。
阅读全文