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Functions for using SpaceNavigator-compatible 3D Mice with OpenGL

This Haskell package contains functions for managing input from a SpaceNavigator <http://www.3dconnexion.com/products/spacemouse/spacenavigator.html>, or a 3D mouse compatible with its protocols. OpenGL callbacks are provided, along with utilities for quantizing the input from the mouse or tracking its six degrees of freedom.

Please report issues at <https://bwbush.atlassian.net/projects/HOGLSPNV/issues/>.

Skeletal example illustrating the use of a SpaceNavigator with OpenGL

main :: IO ()
main = do
  _ <- getArgsAndInitialize
  initialDisplayMode $= [WithDepthBuffer, DoubleBuffered]
  _ <- createWindow "SpaceNavigator OpenGL Example"
  depthFunc $= Just Less 
  -- Create the tracker.
  tracking <- newIORef $ def {spaceNavigatorPosition = Vector3 0 0 0}
  -- Register a callback which quantizes and tracks the 3D mouse input.
  spaceNavigatorCallback $=! Just ( quantizeSpaceNavigator defaultQuantization $ trackSpaceNavigator defaultTracking tracking)
  -- The display callback needs the tracker.
  displayCallback $= display tracking
  idleCallback $= Just (postRedisplay Nothing)
  mainLoop

display :: IORef SpaceNavigatorTrack -> DisplayCallback
display tracking =
  do
    clear [ColorBuffer, DepthBuffer]
    loadIdentity
    -- Get the tracking state.
    tracking' <- get tracking
    -- Update the matrix based on the tracking
    doTracking tracking'
    -- All of the rendering actions go here.
    renderPrimitive . . . 
    swapBuffers

Notes on hardware and software

This code has been validated with the following configuration of hardware and software: