Wednesday, 28 December 2011

Playstation Move Drift Fix

After some recent trouble with Dead Space: Extraction, I spent a fair amount of time trying to fix the infamous drift issue with the Move. To give you an idea of how bad it was, I've uploaded a video to YouTube.

Fortunately fixing it is relatively straightforward if you understand how the Move works. To track where you are pointing the pointer, the Move system uses the following information:
  • Orientation of the controller itself
  • Magnetic north
  • Position of the ball as tracked by the camera
So this means to fix you need to:
  • Point directly at the Playstation Eye camera when it asks you to as part of calibration. This means the whole controller must point at the eye, having the glowing ball directly in front of the camera isn't enough since the orientation of the controller matters.
  • There can't be any strong magnets around the controller, also just to labour a point - the controller during initial calibration must point directly at the camera. If it's incorrectly angled, this will throw off the compass just as much as a magnet.
  • Some games display the picture the camera sees (such as the Kung Fu Rider demo). Use one of these games to set up your camera angle. The centre of the camera should be exactly where the glowing ball is in your 'standard' gaming position.
These steps will ensure the Move tracks true, however it won't result in the most comfortable play style. For gun games the first port of call should be a pistol attachment such as this one. Next you can start to play with the camera itself. Once you've got the tracking down you can play with the position and angle of the camera to try and make for a more comfortable gaming position.

Finally I want to clear up a few myths I've seen mentioned in the forums:
  • WiFi / Bluetooth devices will not affect drift - if your controllers work fine other than the drift then you don't have an interference issue
  • Shining a torch or otherwise playing around with the camera's view of the world will not affect tracking. The system tracks the glowing ball which means the camera can track in pitch black or a bright sunny day. As long as a strong light isn't shining directly into the lens then there's no problem.

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