babylon-navigation-mesh
Version:
A toolkit to move on navigation mesh with BABYLONJS
55 lines (34 loc) • 1.78 kB
Markdown
# Babylon-navigation-mesh
[](http://badge.fury.io/js/babylon-navigation-mesh)
[Demo](http://wanadev.github.io/babylon-navigation-mesh/)
A toolkit to navigate on a mesh with BABYLON.js. Largely inspired by [PatrolJS](https://github.com/nickjanssen/PatrolJS) for ThreeJS.
Babylon-navigation-mesh is a path finder for AI agents. It use the A star and Funnel algorithms to calculate a path on a navigation mesh.
## Usage
Add the npm package [babylon-navigation-mesh](https://www.npmjs.com/package/babylon-navigation-mesh) to your project:
npm install babylon-navigation-mesh --save
or clone:
git clone git@github.com:wanadev/babylon-navigation-mesh.git
npm install
npm run build
then
var Navigation = require("babylon-navigation-mesh");
And create your object and the associated graph:
```javascript
var navigation = new Navigation();
var scene = engine.scene;
var navmesh = scene.getMeshByName("Navmesh");
var zoneNodes = navigation.buildNodes(navmesh);
navigation.setZoneData('scene', zoneNodes);
```
To calculate the path :
```javascript
var zone = navigation.getGroup('scene', agentPosition);
var path = navigation.findPath(agentPosition, dest, 'scene', zone);
```
And to project a position on the navmesh:
```javascript
var newPosition = navigation.projectOnNavmesh(this.position, 'scene', navigation.getGroup('level', this.position));
```
An article is available to create and use a navigation mesh [here](https://www.wanadev.fr/43-tuto-creer-et-utiliser-un-maillage-de-navigation-avec-babylon-js/) (french)
## Demo
