Just a short update post today :) Note: I'm not sure if what I've done today is correct but this is the path that I went down that seems to be working. So because I couldn't work out how to change the origin point (set (0,0,0) to a specific point in the real world) I used the HMD to chose a point. I did this by putting the HMD in a specific point in the real world and checking the position of the center eye camera. Not sure if the centre eye camera is the best one to use though as I'm not sure where exactly on the HMD it was located. Anyway as a starting point I went with this and took the position as (0,-0.4,0.24). Using this I attempted to account for the location of the camera by subtracting half of the HMD height which left me with a real world position (x marked on my desk) and it's Unity coordinates. Using this point I measured the position of the sensor away from the point and placed a gameobject representation of the sensor in the scene. The main is...
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