• creates a Three geometry
• displays grid/edges (createLines)
• raise method for raising terrain at given tile (use negative values for lower terrain)

Example:

import { createTerrain } from 'tileterrain';
//...
const terrain = createTerrain({
   tile: {x:0,y:0,z:0},
   rows: 10, columns: 10,
   tileSize: 5,
});

const material = HERE CREATE THREE MATERIAL
const mesh = new THREE.Mesh(terrain.getThreeGeometry(), material);

No more docs for now. You can look into source code. Module works but API can change.

Module was extracted from bigger project: https://www.looptile.com/ It's 3D tile editor.