void Awake()
{
// We will create a cube, so we set 12 triangles (6 sides á 2 triangles) and 8 vertices.
// To do a cube with proper shading, we should actually create 4 vertices per side and have
// normals pointing outwards, but for this example let's keep it simple.
meshCreator = new MeshCreator(12, 8);
// Create the vertices
var behindUpperLeft = new MeshVertex(new Vector3(-1, 1, 1), Vector3.zero, Color.white);
var behindUpperRight = new MeshVertex(new Vector3(1, 1, 1), Vector3.zero, Color.white);
var behindLowerLeft = new MeshVertex(new Vector3(-1, -1, 1), Vector3.zero, Color.white);
var behindLowerRight = new MeshVertex(new Vector3(1, -1, 1), Vector3.zero, Color.white);
var frontUpperLeft = new MeshVertex(new Vector3(-1, 1, -1), Vector3.zero, Color.white);
var frontUpperRight = new MeshVertex(new Vector3(1, 1, -1), Vector3.zero, Color.white);
var frontLowerLeft = new MeshVertex(new Vector3(-1, -1, -1), Vector3.zero, Color.white);
var frontLowerRight = new MeshVertex(new Vector3(1, -1, -1), Vector3.zero, Color.white);
// Create the quads
meshCreator.AddQuad(frontUpperLeft, frontUpperRight, frontLowerRight, frontLowerLeft);
meshCreator.AddQuad(behindUpperRight, behindUpperLeft, behindLowerLeft, behindLowerRight);
meshCreator.AddQuad(frontUpperRight, behindUpperRight, behindLowerRight, frontLowerRight);
meshCreator.AddQuad(frontUpperLeft, frontLowerLeft, behindLowerLeft, behindUpperLeft);
meshCreator.AddQuad(frontUpperLeft, behindUpperLeft, behindUpperRight, frontUpperRight);
meshCreator.AddQuad(frontLowerLeft, frontLowerRight, behindLowerRight, behindLowerLeft);
// Create a new mesh and set it in the mesh filter
meshFilter = GetComponent <MeshFilter>();
meshFilter.sharedMesh = meshCreator.CreateMesh();
meshFilter.sharedMesh.RecalculateNormals();
}