oxygen 0.3.1

A lightweight Entity Component System framework written in Dart

0.3.1

• Component removal and HasNot fix
• Fix so that systems can't be added twice

0.3.0

• Fixed component removal so that it actually removes components
• Fixed HasNot filters to properly filter after a filtered component is added
• BREAKING: Bumped Dart to v2.15.0 to allow for constructor tear-offs

0.2.0

• Made assertion for getting/checking/removing a Component stricter
• BREAKING: Made the priority field on System final
• BREAKING: Components will now be marked for removal. This fixes the concurrent modification error

0.1.0

• Stable null-safety release
• Added ValueComponent for single value components
• Refactored the Component system to allow for all types to be used as init data
• Initial setup