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vuforia libgdx integration

By pi194046 on Wed, 01/14/2015 - 21:44

Hi

i am attempting to use Vuforia for AR market detection and 3rd party rendering engine libgdx for rendering.

however i am not able to use the modelview matrix provided by vuforia correctly,

There is a 90 co-ordinate axes rotation between the vuforia and libgdx system which i have encorporate

i have update the camera fov in the libgdx based on vuforia calibration API's

i amd extracting the camera pose from inverse,transposed modelview matrix and setting camera pose in libgdx

i amd extracting the object pose from modelview matrix and setting object pose in libgdx

below is the link to the code which i am using

http://pastebin.com/YTiDcYzk

 

i have referred to code of integration of vuforia with other 3rd party engine like gamekit and rawali and they also follow a similar procedure 

and also post in vuforia knowledge center and forums 

i am unable to debug exactly what is it that i am doing incorrectly.

 

 

 

Hi !

There is something wrong I thing in the understanding of the pose matrix : 

The matrix represent the modelView transformations. The model view is the cumulation of the 3D model matrix (position, rotation, scale) and the camera matrix (position, rotation).