Built-in Primitive Meshes

// Create a sphere
const sphere = BABYLON.MeshBuilder.CreateSphere("sphere", {
    diameter: 2,
    segments: 32,
    updatable: true  // Allow geometry to be modified later
}, scene);

// Create a box/cube
const box = BABYLON.MeshBuilder.CreateBox("box", {
    size: 2,         // Size in all dimensions
    width: 3,        // Override specific dimensions
    height: 1,
    depth: 2,
    faceColors: [    // Color each face differently
        new BABYLON.Color4(1,0,0,1),  // red front
        new BABYLON.Color4(0,1,0,1),  // green back
        BABYLON.Color4.Blue(),        // blue top
        BABYLON.Color4.White(),       // white bottom
        BABYLON.Color4.Yellow(),      // yellow right
        BABYLON.Color4.Cyan()         // cyan left
    ]
}, scene);

// Create a plane
const plane = BABYLON.MeshBuilder.CreatePlane("plane", {
    width: 10,
    height: 5,
    sideOrientation: BABYLON.Mesh.DOUBLESIDE  // Visible from both sides
}, scene);

// Create a cylinder
const cylinder = BABYLON.MeshBuilder.CreateCylinder("cylinder", {
    height: 3,
    diameterTop: 1,
    diameterBottom: 2,
    tessellation: 24,     // Number of segments around circumference
    subdivisions: 1       // Number of height segments
}, scene);

// Create a torus (donut)
const torus = BABYLON.MeshBuilder.CreateTorus("torus", {
    diameter: 5,
    thickness: 1,
    tessellation: 32
}, scene);

// Create a ground mesh
const ground = BABYLON.MeshBuilder.CreateGround("ground", {
    width: 100,
    height: 100,
    subdivisions: 20,  // Increases detail for height maps
    updatable: false
}, scene);