add convert.py

Fix bug in spz splat quat

Support SPZ file loading

allow external url

Merge pull request #4 from krisheswaran/main

Address reviewer comments by adding helper functions to make the Javascript array to Vec3 conversion less verbose.

Revert "Simple test that my fork is working correctly"

Add parameters for setting up the initial camera perspective.

Simple test that my fork is working correctly

add steam_engine in examples/

add submarine in examples/

refactor renderer

refactor renderer

add stairs in examples/

add book_store02 in examples/