You can switch between light and dark using the letters Q and E.

The rays move according to the presence of the observer.

If the observer can see the light, the light and darkness will separate and pass through straight slits.

If the observer cannot see the light, the light and darkness will combine to form waves.

Check their eyes and act according to whether they are open or not.

Light cannot be separated or form waves until it has gathered all its photons, and darkness cannot be separated or form waves until it has gathered all its particles.