Ping Direction 

Ping Direction was written around an idea that popped up during an Ossirian fight. The addon displays a red arrow on your screen pointing in the direction of the last ping received. Though it's not really that hard to figure out the direction to go by looking at the minimap, I thought it would be fun to do something like this.

As of 0.0.4, there is now a second arrow accessible via the /gps command, where you can feed it a set of xx,yy outside coordinates and it'll point an arrow towards them until you reach said coordinates, where it will then disappear. Note that if you use this inside instances, the arrow will be stuck pointing in one direction due to lack of coordinate information inside instances. Also if you change zones while the arrow is active, it will point to xx,yy of the current zone as there is no relative position tracking between zones.

As of 0.0.5, there is now an option to have the arrows properly adjusted for your camera angle, so you don't necessarily have to be directly behind the player. However, this will eat up your 5th preset camera slot, since the only method I have been able to find to retrieve camera angle is to save the camera position to one of the preset slots, and then GetCVar() the camera pitch and yaw. Use /pingdir camera to enable/disable this option--it is disabled by default because I don't want to overwrite someone's 5th camera slot arbitrarily.

Options available:
/pingdir on/off - enables/disables
/pingdir fps # - set updates per second. Default is 10
/pingdir fadetime # - set time in seconds for arrow to fade away. Default is 2s.
/pingdir ratio # - set Y ratio, to give a more squished perspective-type appearance. Default is 0.5
/pingdir scale # - scale arrow
/pingdir ##,## - Point the arrow in the direction of map coordinates ##,## (outside)
/pingdir text - toggle text display above arrow
/pingdir camera - toggle compensation for camera location
/gps ##,## - enable persistent arrow pointing to map coordinates (outside). Arrow will fade when you reach the coordinates.
/gps alpha # - set persistent arrow alpha
/gps off - turn off the persistent arrow

0.0.7 - Now working with rotating minimap
0.0.6 - Removed the 0.05,0.05 fudge factor on ping coordinates which was required pre-patch-2.1, pings should now be pointing in the right direction
0.0.5 - Added persistent arrow alpha option. Added compensation for camera angle, so you don't have to be behind the player for the right direction, woohoo!
0.0.4 - Added 2nd persistent arrow (using /gps command as quick to type), optional text display, and scaling.
0.0.3 - Add decimal point support for x,y coordinates
0.0.2 - Added ability to point the arrow towards specified x,y coordinates when outside instances
0.0.1 - Initial release