When I start playing for a while the minecraft screen zooms in all the way to the bottom left corner and I can't see anything so I just press CommandQ and restart it

Put the summary of the bug you're having here

What I expected to happen was...:
Not to keep on repeating this process

What actually happened was...:
It kept on zooming in

Steps to Reproduce:
1. It just randomly does it
2. .
3. ...