Three js Raycaster


`.params.Points.threshold` - 로 범위조절도 가능

[Three js custom raycaster](https://texonom.com/three-js-custom-raycaster-9b2c192704f34b0195f42b0fbef42508)

- Line이나 lineloop 도 포인트 줌 - 딱 그포인트는 아니더라
- face– intersected face
- faceIndex– index of the intersected face



### official doc
> [mrdoob/three.js](https://github.com/mrdoob/three.js/blob/master/examples/webgl_interactive_points.html)

> [three.js](https://threejs.org/docs/#api/en/core/Raycaster.params)

> [Raycaster intersects with invisible objects · Issue #14700 · mrdoob/three.js](https://github.com/mrdoob/three.js/issues/14700)

### good practice
> [Three.js Picking](https://threejsfundamentals.org/threejs/lessons/threejs-picking.html)




