Glitchy graphics on title screen when playing at strange resolutions

When playing at strange resolutions (e.g. 210 x 2,874), the title screen will be very glitchy. However, when in a world, it appears to be fine.

Attached files:

• bug.png: Screenshot of the bug in 15w47c.
• log.txt: The log in the launcher.
• crash.txt: A debug crash in 15w47c.