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avatar scale and link.setpos conflict?
I am currently trying to link my Dtrack system to the vcc_male so that I have an avatar for myself when I am using WorldViz as a virtual reality tool.
I have successfully done this when the avatar scale is set to 1. My hand moves correctly and is linked correctly with what my motion capture sensor is doing. I am running into a problem when the code I used to get the avatar to track properly at a scale of 1 is then bumped to a higher scale. Here is the code I use in order to make my left hand track correctly. I am only pasting the code specific to this issue: Code:
#Setup Code: #Left Hand lhand = vrpn.addTracker('DTrack@vrsim1',1) #1 Left hand #Dtrack uses different axis than WorldViz, convert them lhand.swapPos([-2,3,1]) lhand.swapQuat([2,-3,-1,4]) lhand.reset(viz.RESET_Y) avatar = viz.add('vcc_male.cfg') # Add the man avatar # avatar.setScale(1 * SCALE ,1 * SCALE ,1 * SCALE) lhandmodel = avatar.getBone('Bip01 L Hand') lhandmodel.lock() lhandlink = viz.link(lhand, lhandmodel, srcFlag = viz.LINK_ABSOLUTE, dstFlag=viz.LINK_ABSOLUTE) lhandlink.preEuler([90,0,90]) lhandlink.setMask(viz.LINK_POS | viz.LINK_ORI) #Time Based Code: pos = lhand.getPosition() euler = lhand.getEuler() newX = (pos[0] * SCALE + ORIGIN[0]) newY = (pos[1]* SCALE + ORIGIN[1]) newZ = (pos[2] * SCALE + ORIGIN[2]) #Set avatar left hand print '0: ',SCALE, ORIGIN, pos debugmodel.setPosition([newX,newY,newZ]) lhandlink.setPos([newX,newY,newZ],target = viz.LINK_POS_OP) lhandlink.update() print '1: ',newX, newY, newZ, lhandlink.getPosition() When the "# avatar.setScale(1 * SCALE ,1 * SCALE ,1 * SCALE)" line is uncommented and allowed to run in the program, the hand is thrown way out in space. It still tracks and behaves as it should but is just way out there. I am thinking that the avatar scale is somehow multiplying with my setpos statement to put my avatar's hand in the wrong location. Does somebody see what I am doing wrong with my link statement or how I am not applying a correct mask or something? If you need more information, I can post screenshots to help you understand my issue. (I have tried to divide my newX,newY,newZ equations by the scale in the setpos statement but that doesn't work either) Thanks |
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