My first project using Ogre - Screenshot 4

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And it was all going so well... Spent about an hour trying to figure out why the camera was screwing up the perpesctive. Turned out it was related to some kind of dividing by zero issue. See, if you put a camera at [0,50,0] and point it at [0,0,0] then how does the engine know what angle to put the camera at?

The fix was to use Quaternions to force the camera to be at a set position and angle.