public static VertexTextured[] CreateTexturedCube6(float _side, float _textureWidth, float _textureHeight)
{
    float h = _textureHeight;
    float v = _side / 2f;

    float tx10 = 0f;
    float tx11 = _textureWidth / 6f;

    float tx20 = _textureWidth / 6f;
    float tx21 = _textureWidth / 6f * 2f;

    float tx30 = _textureWidth / 6f * 2f;
    float tx31 = _textureWidth / 6f * 3f;

    float tx40 = _textureWidth / 6f * 3f;
    float tx41 = _textureWidth / 6f * 4f;

    float tx50 = _textureWidth / 6f * 4f;
    float tx51 = _textureWidth / 6f * 5f;

    float tx60 = _textureWidth / 6f * 5f;
    float tx61 = _textureWidth;

    VertexTextured[] vertices =
    {
        // +Z
        new VertexTextured(new Vector4(-v, -v, v, 1f), new Vector4(0f), new Vector2(tx10, h)), // UV: 0 / 0
        new VertexTextured(new Vector4(v, -v, v, 1f), new Vector4(0f), new Vector2(tx11, h)),  // UV: 0 / 1
        new VertexTextured(new Vector4(-v, v, v, 1f), new Vector4(0f), new Vector2(tx10, 0)),  // UV: 1 / 0
        new VertexTextured(new Vector4(-v, v, v, 1f), new Vector4(0f), new Vector2(tx10, 0)),  // UV: 1 / 0
        new VertexTextured(new Vector4(v, -v, v, 1f), new Vector4(0f), new Vector2(tx11, h)),  // UV: 0 / 1
        new VertexTextured(new Vector4(v, v, v, 1f), new Vector4(0f), new Vector2(tx11, 0)),   // UV: 1 / 1

        // +X
        new VertexTextured(new Vector4(v, -v, v, 1f), new Vector4(0f), new Vector2(tx20, h)),  // UV: 0 / 0
        new VertexTextured(new Vector4(v, -v, -v, 1f), new Vector4(0f), new Vector2(tx21, h)), // UV: 0 / 1
        new VertexTextured(new Vector4(v, v, v, 1f), new Vector4(0f), new Vector2(tx20, 0)),   // UV: 1 / 0
        new VertexTextured(new Vector4(v, v, v, 1f), new Vector4(0f), new Vector2(tx20, 0)),   // UV: 1 / 0
        new VertexTextured(new Vector4(v, -v, -v, 1f), new Vector4(0f), new Vector2(tx21, h)), // UV: 0 / 1
        new VertexTextured(new Vector4(v, v, -v, 1f), new Vector4(0f), new Vector2(tx21, 0)),  // UV: 1 / 1

        // -Z
        new VertexTextured(new Vector4(v, -v, -v, 1f), new Vector4(0f), new Vector2(tx30, h)),  // UV: 0 / 0
        new VertexTextured(new Vector4(-v, -v, -v, 1f), new Vector4(0f), new Vector2(tx31, h)), // UV: 0 / 1
        new VertexTextured(new Vector4(v, v, -v, 1f), new Vector4(0f), new Vector2(tx30, 0)),   // UV: 1 / 0
        new VertexTextured(new Vector4(v, v, -v, 1f), new Vector4(0f), new Vector2(tx30, 0)),   // UV: 1 / 0
        new VertexTextured(new Vector4(-v, -v, -v, 1f), new Vector4(0f), new Vector2(tx31, h)), // UV: 0 / 1
        new VertexTextured(new Vector4(-v, v, -v, 1f), new Vector4(0f), new Vector2(tx31, 0)),  // UV: 1 / 1

        // -X
        new VertexTextured(new Vector4(-v, -v, -v, 1f), new Vector4(0f), new Vector2(tx40, h)), // UV: 0 / 0
        new VertexTextured(new Vector4(-v, -v, v, 1f), new Vector4(0f), new Vector2(tx41, h)),  // UV: 0 / 1
        new VertexTextured(new Vector4(-v, v, -v, 1f), new Vector4(0f), new Vector2(tx40, 0)),  // UV: 1 / 0
        new VertexTextured(new Vector4(-v, v, -v, 1f), new Vector4(0f), new Vector2(tx40, 0)),  // UV: 1 / 0
        new VertexTextured(new Vector4(-v, -v, v, 1f), new Vector4(0f), new Vector2(tx41, h)),  // UV: 0 / 1
        new VertexTextured(new Vector4(-v, v, v, 1f), new Vector4(0f), new Vector2(tx41, 0)),   // UV: 1 / 1

        // +Y
        new VertexTextured(new Vector4(-v, v, v, 1f), new Vector4(0f), new Vector2(tx50, h)),  // UV: 0 / 0
        new VertexTextured(new Vector4(v, v, v, 1f), new Vector4(0f), new Vector2(tx51, h)),   // UV: 0 / 1
        new VertexTextured(new Vector4(-v, v, -v, 1f), new Vector4(0f), new Vector2(tx50, 0)), // UV: 1 / 0
        new VertexTextured(new Vector4(-v, v, -v, 1f), new Vector4(0f), new Vector2(tx50, 0)), // UV: 1 / 0
        new VertexTextured(new Vector4(v, v, v, 1f), new Vector4(0f), new Vector2(tx51, h)),   // UV: 0 / 1
        new VertexTextured(new Vector4(v, v, -v, 1f), new Vector4(0f), new Vector2(tx51, 0)),  // UV: 1 / 1

        // -Y
        new VertexTextured(new Vector4(-v, -v, v, 1f), new Vector4(0f), new Vector2(tx60, h)),  // UV: 0 / 0
        new VertexTextured(new Vector4(v, -v, v, 1f), new Vector4(0f), new Vector2(tx61, h)),   // UV: 0 / 1
        new VertexTextured(new Vector4(-v, -v, -v, 1f), new Vector4(0f), new Vector2(tx60, 0)), // UV: 1 / 0
        new VertexTextured(new Vector4(-v, -v, -v, 1f), new Vector4(0f), new Vector2(tx60, 0)), // UV: 1 / 0
        new VertexTextured(new Vector4(v, -v, v, 1f), new Vector4(0f), new Vector2(tx61, h)),   // UV: 0 / 1
        new VertexTextured(new Vector4(v, -v, -v, 1f), new Vector4(0f), new Vector2(tx61, 0)),  // UV: 1 / 1
    };

    return vertices;
}