A new createGround function for Babylon.js

createGround.js

/**
 *  createGround()
 *   - name : Name of the new Ground
 *   - width : Width of the new Ground
 *   - height : Height of the new Ground
 *   - w_subdivisions : Number of Width's subdivisions in the new Ground 
 *   - h_subdivisions : Number of Height's subdivisions in the new Ground
 *   - scene : Scene which contain the new Ground 
 *   - updatable : 
 * 
 ****************************************************************/
 
function createGround (name, width, height, w_subdivisions, h_subdivisions, scene, updatable) {
    var ground = new BABYLON.Mesh(name, scene);

    var indices = [];
    var positions = [];
    var normals = [];
    var uvs = [];
    var row, col;

    for (row = 0; row <= h_subdivisions; row++) {
        for (col = 0; col <= w_subdivisions; col++) {
            var position = new BABYLON.Vector3((col * width) / w_subdivisions - (width / 2.0), 0, ((h_subdivisions - row) * height) / h_subdivisions - (height / 2.0));
            var normal = new BABYLON.Vector3(0, 1.0, 0);

            positions.push(position.x, position.y, position.z);
            normals.push(normal.x, normal.y, normal.z);
            uvs.push(col / w_subdivisions, 1.0 - row / h_subdivisions);
        }
    }

    for (row = 0; row < h_subdivisions; row++) {
        for (col = 0; col < w_subdivisions; col++) {
            indices.push(col + 1 + (row + 1) * (w_subdivisions + 1));
            indices.push(col + 1 + row * (w_subdivisions + 1));
            indices.push(col + row * (w_subdivisions + 1));

            indices.push(col + (row + 1) * (w_subdivisions + 1));
            indices.push(col + 1 + (row + 1) * (w_subdivisions + 1));
            indices.push(col + row * (w_subdivisions + 1));
        }
    }

    ground.setVerticesData(positions, BABYLON.VertexBuffer.PositionKind, updatable);
    ground.setVerticesData(normals, BABYLON.VertexBuffer.NormalKind, updatable);
    ground.setVerticesData(uvs, BABYLON.VertexBuffer.UVKind, updatable);
    ground.setIndices(indices);

    return ground;
};