code: function(gl, vertices, uv) {
    var verticesBuf = createBuffer(gl, new Float32Array(vertices))
    var uvBuf = createBuffer(gl, new Float32Array(uv))
  
    var mesh = createVAO(gl, [
        { buffer: verticesBuf,
          size: 3
        },
        {
          buffer: uvBuf,
          size: 2
        }
        ])
    mesh.length = vertices.length/3
  
    return mesh
  }
docs: create a mesh ready for rendering