I worked on this! Not at MSFT, as a consultant building stuff that used it. The Javascript API didn't allow you to do transforms with matrices, you had to trans

I worked on this! Not at MSFT, as a consultant building stuff that used it. The Javascript API didn't allow you to do transforms with matrices, you had to translate, scale, rotate things in separate calls. This was the bane of my existence for a couple months, trying to get 3DS models to animate correctly. I learned a lot more math than I expected to on that project. :)