paper minecraft but the screen distorts when it's dark

In this video I'll play a paper Minecraft mod that I made
Music:
Autumn 2011 by Loxbeats spoti.fi/34tPBBO
Creative Commons - Attribution 3.0 Unported - CC BY 3.0
Free Download / Stream: bit.ly/autumn-...
Music promoted by Audio Library • Autumn 2011 - Loxbeats...

[@ExploringNew1]

What should I make the next mod about?

[@sujathaththanayaka4820]

At that moment he new he fed up