// triangleVertIndecis must be a multiple of three, each triangle must have three vert indecis
public static void AddTriangles(List <int> triangleVertIndecis, Mesh mesh)
{
EditedMesh meshEdit = new EditedMesh(mesh);
meshEdit.AddTriangles(triangleVertIndecis);
meshEdit.CopyTo(mesh);
}
public static void AddUnitTriangle(Mesh mesh)
{
int currentNumVerts = mesh.vertices.Length;
EditedMesh meshEdit = new EditedMesh(mesh);
meshEdit.AddVerts(new List <Vector3>()
{
Vector3.zero, new Vector3(-1f, 0f, 0f), new Vector3(0f, 0f, 1f)
});
meshEdit.AddTriangles(new List <int>()
{
currentNumVerts, currentNumVerts + 1, currentNumVerts + 2
});
meshEdit.CopyTo(mesh);
}