SIIE is a lightweight, fast image effect that allows you to effortlessly create selectively inverted parts of the screen.

To use, simply create the layer SelectableInversion, then add the component to your camera. Now, anything that you want to contribute to inversion mask just needs to be on the SelectableInversion layer - it's as simple as that!

SIIE supports different approaches for colored inversion, to improve the aesthetics of where the inverted image meets the non inverted image: you can use any color of your choice, or even the mask color!

Full source code included