How do I get shaders to appear in every room my sprite is in?

Hello everyone,

I recently figured out how to implement dynamic lighting in my game. I followed a tutorial and the lights appear to be working fine in one room, but don't appear at all in the others. How can I fix this? Here is a video demonstrating my issue:


Kazan Games
Did you add the object that creates the lighting in the room? You can also mark it as "persistent" so that it stays in all rooms.
Yeah, both Osetup and Olight are in the room. I marked them as persistent and nothing happened. Only those two objects seem to be necessary for the light to appear.
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