int index = start;
for (int i = 0; i < lod; i++) {
float tex = i * texStep;
Vector2 tex1 = new Vector2(tex * hRepeat, vRepeat);
Vector2 tex2 = new Vector2(tex * hRepeat, 0);
Vector2 tex3 = new Vector2((tex + texStep) * hRepeat, 0);
Vector2 tex4 = new Vector2((tex + texStep) * hRepeat, vRepeat);
index += copyVector2(tex1, dest, index, 1);
index += copyVector2(tex2, dest, index, 1);
index += copyVector2(tex3, dest, index, 1);
index += copyVector2(tex4, dest, index, 1);