- Rename setter/getter methods for consistency.
- Remove section in the inspector as there is now only 1 property
within the section.
- Add performance hints to property hints.
This makes it easier to spot syntax errors when editing the
class reference. The schema is referenced locally so validation
can still work offline.
Each class XML's schema conformance is also checked on GitHub Actions.
GPUParticles attractors and collision are currently only available in 3D.
Their 2D counterparts haven't been implemented yet, but they will use
separate nodes.
