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icon_project.png UFO: Alien Invasion / Open Bug report #3134 Moon has wrong rotation
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alextishin (@alextishin) has been working on this issue since January 28, 2013 (20:48)
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    2. Low
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Description
[http://sourceforge.net/p/ufoai/bugs/3134 Item 3134] imported from sourceforge.net tracker on 2013-01-28 20:02:17

One side of the moon should always face the earth. It seems now the moon has no spin of its own, but should make one revolution on its own axis each revolution around the earth.

minor, but it caught my eye :)
===== Comments Ported from Sourceforge =====

====== aduke1 (2012-02-16 23:45:04) ======

The priority was adjusted according to the "bug priority rules". See
http://ufoai.ninex.info/wiki/index.php/Bugs#Bug_Priorities
====== aduke1 (2012-11-02 19:49:47.368000) ======

Sandro, geever claimed you could do something about this...
====== aduke1 (2012-11-08 20:46:19.661000) ======

Sandro_sleepy's quick report on the wrong lunar rotation problem:
1) geoscape coordinate systmem is Ptolemaic (makes sense since view is Earth-centered)
2) Celestial bodies are rotated via their Euler angles in yaw->pitch->roll order (hmmm, could work with "horisontal" setup, but there are general problems with Euler anlges)
3) Coordinate system for geoscape is "horisontal", i.e. set up in quatorial plane as the XZ OpenGL plane (good so far)
(ominuous misic starts playing here)
4) all celestial bodies are defined in reference frame rotated 90 degrees, so default position of them is south pole to the viewer
5) current code fixes that for Earth by injecting some funny values into its Euler angles
6) but it makes Moon rotate backwards two times a day :(
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