Frustrum question
I am having trouble location the frustum method used for stereoscopic rendering for a HMD and projection screen.
I need to know if the HMD stereo uses the roll angle when determining the eye locations (e.g. 45 degree roll would make the left eye lower than the right) or if it just takes the position and moves the viewpoint parallel to the floor along the current horizontal axis. Same question for a projections screen, and I need to know if it uses an oblique frustum or the the perpendicular version. E.g. (oblique) Code:
versus (perpendicular) Code:
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Yes, the roll is taken into account. The separation is applied after the head transformation.
Symmetric viewing is enabled for HMDs and asymmetric viewing is enabled for powerwall/CAVE setups. Take a look at the following pages for more information: http://docs.worldviz.com/vizard/Intr...o_displays.htm http://docs.worldviz.com/vizard/Stereo_rendering.htm |
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