its a graphical glitch i discovered while playing

https://www.youtube.com/watch?v=LqBhOEPfD-4&feature=youtu.be
here the video i wuiclky recoreded and what it lokked like the settings i had are shown in the video im on windown 8.1 pro 64 bit and have the latest java verseion update 67

and please dont mind the music probably copyrighted and coulndt bother to remove it just something i was listening too