This work is very preliminary. Basically, I needed an easy way to test out subdivision surfaces with ARKit on iOS and there wasn't a way to easily export crease info to USD, so I created this.
If you are interested in contributing, I might take your patches. In any case, feel free to fork and add to this.
- USDZ support
- Selector for USD format
- Add any images to bundle
Because the USD tools use Python 2 and blender uses Python 3.5 (as of 2.79b), this code does not import the USD tools into Blender directly. Rather, it launches python as a subprocess running io_export_usd/usd_python2/usdWriter.py outputFilename.usd and then feeds it commands in JSON format over STDIN.
Copy the USD directory from [https://developer.apple.com/go/?id=python-usd-library](Apple's build of the USD SDK) USDPython/USD/ as io_export_usd/usd_python2/USD/ in this repository, then symlink this into your user scripts directory:
python symlink.py
Not tested, but you should be able to install a built version of USD in the same location. You might need to adjust the python 2 path in the source code for your configuration.
Not yet supported
If you want to see debug output, run blender on the command line (it prints there)
alias blender=/Applications/blender.app/Contents/MacOS/blender
blender
