首先babylonjs 相机我们要改造
对于相机改造类图如下
针对EarthCamera类
- const BABYLON = require('babylonjs');
- export class EarthCamera extends BABYLON.ArcRotateCamera {
- constructor(e, t, i, n, r, o, s) {
- super(e, t, i, n, r, o),
- this.isDirty = true,
- this.diffAlpha = 0,
- this.diffBeta = 0,
- this.diffRadius = 0,
- this.latLonAtmouse = new BABYLON.Vector2
- }
- }
针对CameraControl
```javascript