Compass animates incorrectly

The compass doesn't necessarily point downwards when the player is facing south, because the compass points at the world spawn. Worlds in Minecraft are flat planes, not a sphere, so while there are cardinal directions, there's no northmost point for a compass to point at.

Exactly. I meant that after testing for the bug, I found that it happens when player faces south, and not necessarily when compass needle points down.
EDIT: maybe related to MC-88103, Clock spinning at noon?

After some testing, you're absolutely correct. It occurs when facing south, regardless of the direction to the world spawn, meaning it can occur when the needle is pointing in any direction.

Now (15w38a – 44b) it:

• flips when you face south, IF the accumulated angle you've turned is a non-zero multiple of 360, regardless of position or compass direction.

• flips when you move north or south across the positive part of the X meridian that crosses through the spawnpoint, regardless of compass direction or player facing

Hi, is there any chance someone could verify what i've written in the previous comment, and update the description?

Not sure I understand completely, I'll add it to the description with a disclaimer.

Oh right, right. clarity. right.

Method 1: facing south

1. Face south, sweep your crosshairs back and forth across the south. The compass should spin each time you face south.

2. If you don't see it, turn around once or a few times, then repeat step 1.

Method 2: moving around

1. Use the compass to go to your spawn. It'll be at the intersection of 4 blocks. Maybe mark it with 4 blocks so it's clear where exactly that is.

2. Don't change the direction you're facing, but move in a circle around spawn. In other words just use the WASD keys.

3. While you're east of spawn, you'll see the compass spin as you cross from south to north or vice-versa.

4. This actually happens anytime you're east of spawn, crossing north-south, no matter the distance from spawn.

Still going on in 15w45a.

Thanks!

still in 15w46a–15w51b.

Confirmed for

• 15w51b

Might relate to MC-95460

still happens in 16w04a.

Confirmed in 16w05a.

Confirmed in 16w05b.

Confirmed in 16w06a and 16w07a.

Affects 16w07b.

Affects 1.9 Pre-release 1.

Confirmed in 1.9 Pre-release 2.

Confirmed in 1.9 Pre-release 3.