river2202

**Is your feature request related to a problem? Please describe.** I want the 3D model rotate programatically like auto rotate. **Describe the solution you'd like** Add a camera/view controller so...

# Submit a pull request FYI, someone can forward this without me signing CLA ## CLA - [x] I have signed the [Stream CLA](https://docs.google.com/forms/d/e/1FAIpQLScFKsKkAJI7mhCr7K9rEIOpqIDThrWxuvxnwUq2XkHyG154vQ/viewform) (required). - [x] The code changes...