teleporting to a certain angle causes lines to appear

teleporting to:
/tp @p ~ ~ ~ 90 0
/tp @p ~ ~ ~ -180 0
/tp @p ~ ~ ~ 180 0

causes lines to appear

I was on a modified redstone ready world (same height, no stone, bedrock still there)

Video at:
https://youtu.be/AQBZc84IuBs?list=PLF8Gyw2dyoVj-DbHIFY6YfnGDWEZ8py7Z